ClinicalTrials.gg
CompletedNCT05755438TRuE-PN1Updated Aug 12, 2026Results posted

A Study to Evaluate the Safety and Efficacy of Ruxolitinib Cream in Participants With Prurigo Nodularis (PN)

A Phase 3 interventional study of Ruxolitinib Cream and Vehicle Cream in Prurigo, sponsored by Incyte Corporation. Completed at 71 sites in 11 countries. Open to participants aged 18 Years to 99 Years. Per ClinicalTrials.gov, last updated 2026-08-12.

Sponsored by Incyte Corporation · Phase 3, Interventional, and Treatment

Phase
Phase 3
Study type
Interventional
Enrollment
204
Allocation
Randomized
Ages
18 Years to 99 Years
Sex
All
01

Study summary

The purpose of this study is to evaluate the safety and tolerability of Ruxolitinib cream in participants with Prurigo Nodularis (PN).

Read the detailed description

The study comprises of a 12 week double-blind, vehicle-controlled (DBVC) treatment period, followed by a 40 week open label extension period, and 30 day safety follow-up period During the double blind period, all PN-affected areas identified at baseline will be treated, and during the open label period, only active PN-affected areas will be treated.

02

Conditions studied

  • Prurigo

Keywords

  • Prurigo
  • Prurigo Nodularis
  • PN
  • Skin Diseases
  • Dermatitis
  • Eczematous
  • ruxolitinib
  • INCB 18424
03

In context

Prurigo

38 studies on the registry are indexed under Prurigo; 10 are open to participants now.

This study's enrollment of 204 is above the median of 135 across 31 interventional studies indexed under Prurigo.

Browse Prurigo studies →

Lead sponsor

Incyte Corporation is the lead sponsor of 288 studies on the registry; 34 are open to participants now.

Of its 149 completed or terminated interventional studies of FDA-regulated products, 95 (64%) have results posted.

Counted across the registry records on this site, refreshed daily.

04

Who can participate

Ages eligible
18 Years to 99 Years
Sexes eligible
All
Accepts healthy volunteers
No

Go through the criteria one by one — yes, no or not sure — and take the list to your doctor or the study team. Kept in this browser only.

Inclusion criteria

  • Clinical diagnosis of PN ≥ 3 months before screening.
  • ≥ 6 pruriginous lesions on ≥ 2 different body areas (such as right and left leg) at screening and baseline having a treatment area \<20% BSA.
  • IGA-CPG-S score of ≥ 2 at screening and baseline.
  • Baseline PN-related WI-NRS score ≥ 7.
  • Willingness to avoid pregnancy or fathering children.

Exclusion criteria

Exclusion Criteria:

  • Chronic pruritus due to a condition other than PN
  • Total estimated BSA treatment area (excluding the scalp) > 20%.
  • Neuropathic and psychogenic pruritus
  • Active atopic dermatitis lesions within 3 months of screening and baseline.
  • Uncontrolled thyroid function
  • Concurrent skin or other serious or unstable medical conditions which may interfere with the evaluation of PN such as status, acute/chronic infections, active , history of TB, history of DVT/VTE, etc Protocol defined abnormal laboratory results.
  • Use of any protocol-defined prohibited medication unless a is completed or use of medication known to cause itching.
  • Psoralen and ultraviolet A or ultraviolet B therapy within 4 weeks before baseline or Ultraviolet light therapy or prolonged exposure to natural or artificial sources of ultraviolet radiation (within 2 weeks before baseline
  • Pregnant or lactating, or considering pregnancy.
  • History of alcoholism or drug addiction within 1 year
  • Known allergy or reaction to any of the components of the study drug.
  • Committed to a mental health institution by virtue of an order issued either by the judicial or the administrative authorities.
  • Employees of the sponsor or investigator or otherwise dependents of them.
  • The following participants are excluded in France:

    1. Vulnerable populations according to article L.1121-6 of the French Public Health Code.
    2. Adults under legal protection or who are unable to express their consent per article L.1121-8 of the French Public Health Code.
    3. Individuals not affiliated with the social security system.
Terms in these criteria, in plain language(3)

Underlined terms in the criteria open these too. Explained by clinicaltrials.gg, not part of the registry record. The study team decides who can take part.

Immunosuppression

A weakened immune system. It can come from an illness, such as HIV or some blood cancers, or from medicines that turn the immune system down, for example after an organ transplant or for an autoimmune disease; steroids at higher doses count.

Read whether the line is about a condition or about medicines, and which medicines and doses it means.

Cancer (malignancy)

Malignancy means cancer. Criteria about another or earlier malignancy ask whether you have had a different cancer, usually within a set number of years.

Some are commonly allowed, such as treated skin cancers other than melanoma and early cancers removed completely — check the exceptions this study lists.

Washout period

A planned gap after a treatment, so that its effects can lessen before the study treatment or a study assessment. Ask the study team and the doctor who prescribed it before changing any medicine.

05

Study design

Phase
Phase 3
Primary purpose
Treatment
Allocation
Randomized
Intervention model
Parallel assignment
Masking
Quadruple (Participant, Care provider, Investigator, Outcomes assessor)
Enrollment
204 participants (actual)

Study arms

  • Placebo comparator
    Vehicle Cream BID

    Participants apply ruxolitinib matching vehicle cream topically to the affected areas as a thin film twice daily (BID) for 12 weeks during the DBVC period. Participants who have completed the treatment during DBVC period will apply ruxolitinib 1.5% cream topically during the open label extension (OLE) period for up to 40 weeks.

    Drug: Vehicle Cream

  • Experimental
    Ruxolitinib 1.5% Cream

    Participants apply ruxolitinib 1.5% cream topically to the affected areas as a thin film BID for 12 weeks during the DBVC period. Participants who have completed the treatment during DBVC period will apply ruxolitinib 1.5% cream the open label extension (OLE) period for up to 40 weeks.

    Drug: Ruxolitinib Cream

Interventions

  • Ruxolitinib cream 1.5% twice daily (BID) during the vehicle controlled (DBVC)and open label treatment period (OLE).

    Also known as: INCB018424 phosphate cream

  • DrugVehicle Cream

    Ruxolitinib matching vehicle cream 1.5% twice daily (BID) during the vehicle controlled period (DBVC).

06

What researchers measure

Primary outcomes

  1. WI-NRS4 Response at Week 12

    WI-NRS4 was defined as the percentage of participants achieving a ≥4-point improvement (reduction) in Worst-Itch Numeric Rating Scale (WI-NRS) score from baseline. The WI-NRS is a patient-reported outcome comprised of a single item rated on a scale from 0 ("no itch") to 10 ("worst imaginable itch"). Participants assessed their worst level of prurigo nodularis-related itch during the past 24 hours on a scale of 0 to 10. The WI-NRS score for baseline was determined by averaging the 7 daily WI-NRS scores before Day 1 (i.e., Days -7 to -1) for all by-visit summaries. The by-visit WI-NRS score for post-baseline visits was determined by averaging the 7 daily WI-NRS scores before the visit day. Participants with missing Week 12 data for any reason, including treatment discontinuation (due to development of atopic dermatitis lesions or any other cause), were defined as nonresponders.

    Time frame: Baseline; Week 12

Secondary outcomes

  1. WI-NRS4 Response at Week 4

    WI-NRS4 was defined as the percentage of participants achieving a ≥4-point improvement (reduction) in WI-NRS score from baseline. The WI-NRS is a patient-reported outcome comprised of a single item rated on a scale from 0 ("no itch") to 10 ("worst imaginable itch"). Participants assessed their worst level of prurigo nodularis-related itch during the past 24 hours on a scale of 0 to 10. The WI-NRS score for baseline was determined by averaging the 7 daily WI-NRS scores before Day 1 (i.e., Days -7 to -1) for all by-visit summaries. The by-visit WI-NRS score for post-baseline visits was determined by averaging the 7 daily WI-NRS scores before the visit day.

    Time frame: Baseline; Week 4

  2. Percentage of Participants With Overall-Treatment Success at Week 12

    Overall-Treatment Success was defined as both a WI-NRS4 response and Investigator's Global Assessment for Stage of Chronic Prurigo Treatment Success (IGA-CPG-S-TS). IGA-CPG-S-TS was defined as an IGA-CPG-S score of 0 or 1 with a ≥2 grade improvement from baseline. The IGA-CPG-S is an overall severity rating of chronic prurigo on a scale of 0 to 4: 0, clear (no pruriginous lesions); 1, almost clear (rare palpable pruriginous lesions \[approximately 1-5 lesions\]); 2, mild (few palpable pruriginous lesions \[approximately 6-19 lesions\]); 3, moderate (many palpable pruriginous lesions \[approximately 20-100 lesions\]); 4, severe (abundant palpable pruriginous lesions \[over 100 lesions\]).

    Time frame: Baseline; Week 12

  3. Percentage of Participants With IGA-CPG-S-TS at Week 12

    IGA-CPG-S-TS was defined as an IGA-CPG-S score of 0 or 1 with a ≥2 grade improvement from baseline. The IGA-CPG-S is an overall severity rating of chronic prurigo on a scale of 0 to 4: 0, clear (no lesions); 1, almost clear (rare palpable pruriginous lesions \[approximately 1-5 lesions\]); 2, mild (few palpable pruriginous lesions \[approximately 6-19 lesions\]); 3, moderate (many palpable pruriginous lesions \[approximately 20-100 lesions\]); 4, severe (abundant palpable pruriginous lesions \[over 100 lesions\]).

    Time frame: Baseline; Week 12

  4. WI-NRS4 Response on Day 7

    WI-NRS4 was defined as the percentage of participants achieving a ≥4-point improvement (reduction) in WI-NRS score from baseline. The WI-NRS is a patient-reported outcome comprised of a single item rated on a scale from 0 ("no itch") to 10 ("worst imaginable itch"). Participants assessed their worst level of prurigo nodularis-related itch during the past 24 hours on a scale of 0 to 10. The WI-NRS score for baseline was determined by averaging the 7 daily WI-NRS scores before Day 1 (i.e., Days -7 to -1) for all by-visit summaries. The by-visit WI-NRS score for post-baseline visits was determined by averaging the 7 daily WI-NRS scores before the visit day.

    Time frame: Baseline; Day 7

  5. DBVC Period: Change From Baseline in WI-NRS Score at Each Post-baseline Visit

    The WI-NRS is a patient-reported outcome comprised of a single item rated on a scale from 0 ("no itch") to 10 ("worst imaginable itch"). Participants assessed their worst level of prurigo nodularis-related itch during the past 24 hours on a scale of 0 to 10. The WI-NRS score for baseline was determined by averaging the 7 daily WI-NRS scores before Day 1 (i.e., Days -7 to -1) for all by-visit summaries. The by-visit WI-NRS score for post-baseline visits was determined by averaging the 7 daily WI-NRS scores before the visit day.

    Time frame: Baseline; up to Week 12

  6. OLE Period: Change From Baseline in WI-NRS Score at Each Post-baseline Visit

    The WI-NRS is a patient-reported outcome comprised of a single item rated on a scale from 0 ("no itch") to 10 ("worst imaginable itch"). Participants assessed their worst level of prurigo nodularis-related itch during the past 24 hours on a scale of 0 to 10. The WI-NRS score for baseline was determined by averaging the 7 daily WI-NRS scores before Day 1 (i.e., Days -7 to -1) for all by-visit summaries. The by-visit WI-NRS score for post-baseline visits was determined by averaging the 7 daily WI-NRS scores before the visit day.

    Time frame: Baseline; up to Week 52

  7. WI-NRS4 Response at Each Post-baseline Visit

    WI-NRS4 was defined as the percentage of participants achieving a ≥4-point improvement (reduction) in WI-NRS score from baseline. The WI-NRS is a patient-reported outcome comprised of a single item rated on a scale from 0 ("no itch") to 10 ("worst imaginable itch"). Participants assessed their worst level of prurigo nodularis-related itch during the past 24 hours on a scale of 0 to 10. The WI-NRS score for baseline was determined by averaging the 7 daily WI-NRS scores before Day 1 (i.e., Days -7 to -1) for all by-visit summaries. The by-visit WI-NRS score for post-baseline visits was determined by averaging the 7 daily WI-NRS scores before the visit day.

    Time frame: Baseline; up to Week 52

  8. Time to ≥2-point Improvement From Baseline in WI-NRS Score

    The WI-NRS is a patient-reported outcome comprised of a single item rated on a scale from 0 ("no itch") to 10 ("worst imaginable itch"). Participants assessed their worst level of prurigo nodularis-related itch during the past 24 hours on a scale of 0 to 10. The WI-NRS score for baseline was determined by averaging the 7 daily WI-NRS scores before Day 1 (i.e., Days -7 to -1) for all by-visit summaries. The by-visit WI-NRS score for post-baseline visits was determined by averaging the 7 daily WI-NRS scores before the visit day.

    Time frame: Baseline; up to Week 52

  9. Time to ≥4-point Improvement From Baseline in WI-NRS Score

    The WI-NRS is a patient-reported outcome comprised of a single item rated on a scale from 0 ("no itch") to 10 ("worst imaginable itch"). Participants assessed their worst level of prurigo nodularis-related itch during the past 24 hours on a scale of 0 to 10. The WI-NRS score for baseline was determined by averaging the 7 daily WI-NRS scores before Day 1 (i.e., Days -7 to -1) for all by-visit summaries. The by-visit WI-NRS score for post-baseline visits was determined by averaging the 7 daily WI-NRS scores before the visit day.

    Time frame: Baseline; up to Week 52

  10. DBVC Period: Percentage of Participants With a ≥2-point Improvement (Reduction) in Skin Pain NRS Score From Baseline

    Participants assessed their worst level of prurigo nodularis-related skin pain during the past 24 hours on a scale of 0 ("no pain") to 10 ("worse imaginable pain"). The Skin Pain NRS score for baseline was determined by averaging the 7 daily NRS scores before Day 1 (i.e., Days -7 to -1) for all by-visit summaries. The by-visit Skin Pain NRS score for post-baseline visits was determined by averaging the 7 daily NRS scores before the visit day.

    Time frame: Baseline; up to Week 12

  11. OLE Period: Percentage of Participants With a ≥2-point Improvement (Reduction) in Skin Pain NRS Score From Baseline

    Participants assessed their worst level of prurigo nodularis-related skin pain during the past 24 hours on a scale of 0 ("no pain") to 10 ("worse imaginable pain"). The Skin Pain NRS score for baseline was determined by averaging the 7 daily NRS scores before Day 1 (i.e., Days -7 to -1) for all by-visit summaries. The by-visit Skin Pain NRS score for post-baseline visits was determined by averaging the 7 daily NRS scores before the visit day.

    Time frame: Baseline; up to Week 52

  12. DBVC Period: Change From Baseline in Skin Pain NRS Score at Each Post-baseline Visit

    Participants assessed their worst level of prurigo nodularis-related skin pain during the past 24 hours on a scale of 0 ("no pain") to 10 ("worse imaginable pain"). The Skin Pain NRS score for baseline was determined by averaging the 7 daily NRS scores before Day 1 (i.e., Days -7 to -1) for all by-visit summaries. The by-visit Skin Pain NRS score for post-baseline visits was determined by averaging the 7 daily NRS scores before the visit day. Change from baseline was calculated as the post-baseline value minus the baseline value.

    Time frame: Baseline; up to Week 12

  13. OLE Period: Change From Baseline in Skin Pain NRS Score at Each Post-baseline Visit

    Participants assessed their worst level of prurigo nodularis-related skin pain during the past 24 hours on a scale of 0 ("no pain") to 10 ("worse imaginable pain"). The Skin Pain NRS score for baseline was determined by averaging the 7 daily NRS scores before Day 1 (i.e., Days -7 to -1) for all by-visit summaries. The by-visit Skin Pain NRS score for post-baseline visits was determined by averaging the 7 daily NRS scores before the visit day. Change from baseline was calculated as the post-baseline value minus the baseline value.

    Time frame: Baseline; up to Week 52

  14. Percentage of Participants With IGA-CPG-S-TS at Each Postbaseline Visit

    IGA-CPG-S-TS was defined as an IGA-CPG-S score of 0 or 1 with a ≥2 grade improvement from baseline. The IGA-CPG-S is an overall severity rating of chronic prurigo nodularis on a scale of 0 to 4: 0, clear (no lesions); 1, almost clear (rare palpable pruriginous lesions \[approximately 1-5 lesions\]); 2, mild (few palpable pruriginous lesions \[approximately 6-19 lesions\]); 3, moderate (many palpable pruriginous lesions \[approximately 20-100 lesions\]); 4, severe (abundant palpable pruriginous lesions \[over 100 lesions\]). Participants with missing Week 12 data for any reason, including treatment discontinuation (due to development of atopic dermatitis lesions or any other cause), were defined as nonresponders.

    Time frame: Baseline; up to Week 52

  15. Percentage of Participants With a IGA-CPG-A Score of 0 or 1 With ≥2-grade Improvement (Reduction) at Each Post-baseline Visit

    The Investigator Global Assessment for Activity of Chronic Prurigo (IGA-CPG-A) is an overall severity rating of chronic prurigo nodularis on a scale of 0 to 4: 0, clear (no pruriginous lesions have excoriations or crusts); 1, almost clear (very small proportion of pruriginous lesions have excoriations or crusts \[up to approximately 10% of all pruriginous lesions\]); 2, mild (minority of pruriginous lesions have excoriations or crusts \[approximately 11%-25% of all pruriginous lesions\]); 3, moderate (many pruriginous lesions have excoriations or crusts \[approximately 26%-75% of all pruriginous lesions\]); 4, severe (majority of pruriginous lesions have excoriations or crusts \[approximately 76%-100% of all pruriginous lesions\]).

    Time frame: Baseline; up to Week 52

  16. DBVC Period: Percentage of Participants With >75% Healed Lesions From Prurigo Activity Score (PAS) at Each Postbaseline Visit

    The extent and severity of prurigo nodularis was assessed via the PAS (version 1.2). The first 3 items are descriptive of the type, predominant type, distribution, and quantity of pruriginous lesions. The remaining 2 items of the PAS assess disease activity in terms of percentage (i.e., 0%, 1%-25%, 26%-50%, 51%-75%, and 76%-100%) of pruriginous lesions with excoriations/crusts on top (to reflect active scratching) and the percentage (i.e., 100%, 76%-99%, 51%-75%, 26%-50%, and 0%-25%) of healed pruriginous lesions in order to quantify change of prurigo nodularis skin lesions.

    Time frame: Baseline; up to Week 12

  17. OLE Period: Percentage of Participants With >75% Healed Lesions From PAS at Each Postbaseline Visit

    The extent and severity of prurigo nodularis was assessed via the PAS (version 1.2). The first 3 items are descriptive of the type, predominant type, distribution, and quantity of pruriginous lesions. The remaining 2 items of the PAS assess disease activity in terms of percentage (i.e., 0%, 1%-25%, 26%-50%, 51%-75%, and 76%-100%) of pruriginous lesions with excoriations/crusts on top (to reflect active scratching) and the percentage (i.e., 100%, 76%-99%, 51%-75%, 26%-50%, and 0%-25%) of healed pruriginous lesions in order to quantify change of prurigo nodularis skin lesions.

    Time frame: Baseline; up to Week 52

  18. DBVC Period: Change From Baseline in the Dermatology Life Quality Index (DLQI) Total Score at Each Post-baseline Visit

    The DLQI is a simple, 10-question, validated questionnaire to measure how much the skin problem has affected the participant over the previous 7 days. Each question was scored as: 3 (very much), 2 (a lot), 1 (a little), 0 (not at all or not relevant). The DLQI total score was calculated by summing the score of each question, resulting in a maximum of 30 and a minimum of 0. The higher the score, the more the quality of life was impaired. Total DLQI scores were categorized as follows: 0 to 1 (no effect), 2 to 5 (small effect), 6 to 10 (moderate effect), 11 to 20 (very large effect), and 21 to 30 (extremely large effect). Change from Baseline was calculated as the post-baseline visit minus the baseline visit.

    Time frame: Baseline; up to Week 12

  19. OLE Period: Change From Baseline in the DLQI Total Score at Each Post-baseline Visit

    The DLQI is a simple, 10-question, validated questionnaire to measure how much the skin problem has affected the participant over the previous 7 days. Each question was scored as: 3 (very much), 2 (a lot), 1 (a little), 0 (not at all or not relevant). The DLQI total score was calculated by summing the score of each question, resulting in a maximum of 30 and a minimum of 0. The higher the score, the more the quality of life was impaired. Total DLQI scores were categorized as follows: 0 to 1 (no effect), 2 to 5 (small effect), 6 to 10 (moderate effect), 11 to 20 (very large effect), and 21 to 30 (extremely large effect). Change from Baseline was calculated as the post-baseline visit minus the baseline visit.

    Time frame: Baseline; up to Week 52

  20. DBVC Period: Change From Baseline in European Quality of Life 5 Dimensions 5 Level Version (EQ-5D-5L) Visual Analog Scale (VAS) Score at Each Postbaseline Visit

    The EQ-5D-5L is a standardized instrument for use as a measure of health outcome. The EQ-5D-5L consists of 2 sections: the EQ-5D descriptive system and the EQ VAS. The descriptive system comprises 5 dimensions: mobility, self-care, usual activities, pain/discomfort, and anxiety/depression. Each dimension has 5 response levels, which are coded by single-digit numbers: 1 = no problems, 2 = slight problems, 3 = moderate problems, 4 = severe problems, 5 = unable to/extreme problems. The EQ VAS records the participant's self-rated health on a vertical VAS (0-100), on which the endpoints are labeled "the best health you can imagine" (100 score) and "the worst health you can imagine" (0 score). Change from Baseline was calculated as the post-baseline value minus the baseline value.

    Time frame: Baseline; up to Week 12

  21. OLE Period: Change From Baseline in EQ-5D-5L VAS Score at Each Postbaseline Visit

    The EQ-5D-5L is a standardized instrument for use as a measure of health outcome. The EQ-5D-5L consists of 2 sections: the EQ-5D descriptive system and the EQ VAS. The descriptive system comprises 5 dimensions: mobility, self-care, usual activities, pain/discomfort, and anxiety/depression. Each dimension has 5 response levels, which are coded by single-digit numbers: 1 = no problems, 2 = slight problems, 3 = moderate problems, 4 = severe problems, 5 = unable to/extreme problems. The EQ VAS records the participant's self-rated health on a vertical VAS (0-100), on which the endpoints are labeled "the best health you can imagine" (100 score) and "the worst health you can imagine" (0 score). Change from Baseline was calculated as the post-baseline value minus the baseline value.

    Time frame: Baseline; up to Week 52

  22. DBVC Period: Change From Baseline in EQ-5D-5L Dimension Scores at Each Postbaseline Visit

    The EQ-5D-5L is a standardized instrument for use as a measure of health outcome. The EQ-5D-5L consists of 2 sections: the EQ-5D descriptive system and the EQ VAS. The descriptive system comprises 5 dimensions: mobility, self-care, usual activities, pain/discomfort, and anxiety/depression. Each dimension has 5 response levels, which are coded by single-digit numbers: 1 = no problems, 2 = slight problems, 3 = moderate problems, 4 = severe problems, 5 = unable to/extreme problems. The EQ VAS records the participant's self-rated health on a vertical VAS (0-100), on which the endpoints are labeled "the best health you can imagine" (100 score) and "the worst health you can imagine" (0 score). Change from Baseline was calculated as the post-baseline value minus the baseline value.

    Time frame: Baseline; up to Week 12

  23. OLE Period: Change From Baseline in EQ-5D-5L Dimension Scores at Each Postbaseline Visit

    The EQ-5D-5L is a standardized instrument for use as a measure of health outcome. The EQ-5D-5L consists of 2 sections: the EQ-5D descriptive system and the EQ VAS. The descriptive system comprises 5 dimensions: mobility, self-care, usual activities, pain/discomfort, and anxiety/depression. Each dimension has 5 response levels, which are coded by single-digit numbers: 1 = no problems, 2 = slight problems, 3 = moderate problems, 4 = severe problems, 5 = unable to/extreme problems. The EQ VAS records the participant's self-rated health on a vertical VAS (0-100), on which the endpoints are labeled "the best health you can imagine" (100 score) and "the worst health you can imagine" (0 score). Change from Baseline was calculated as the post-baseline value minus the baseline value.

    Time frame: Baseline; up to Week 52

  24. DBVC Period: Number of Participants With Any Treatment-emergent Adverse Event (TEAE)

    An adverse event (AE) was defined as any untoward medical occurrence associated with the use of a drug in humans, whether or not it is considered drug related. An AE can therefore have been any unfavorable or unintended sign (including an abnormal laboratory finding), symptom, or disease (new or exacerbated) temporally associated with the use of study cream. A TEAE was defined as any AE reported for the first time or the worsening of a pre-existing event after the first application of study drug.

    Time frame: up to Week 12

  25. DBVC Period: Number of Participants With Any ≥Grade 3 TEAE

    An AE was defined as any untoward medical occurrence associated with the use of a drug in humans, whether or not it is considered drug related. An AE can therefore have been any unfavorable or unintended sign (including an abnormal laboratory finding), symptom, or disease (new or exacerbated) temporally associated with the use of study cream. A TEAE was defined as any AE reported for the first time or the worsening of a pre-existing event after the first application of study drug. The severity of TEAEs was assessed using Common Terminology Criteria for Adverse Events (CTCAE) version 5.0 Grades 1 through 5. The investigator made an assessment of intensity for each TEAE and assigned it to one of the following categories: Grade 1, mild; Grade 2, moderate; Grade 3, severe or medically significant but not immediately life threatening; Grade 4, life-threatening consequences; Grade 5, fatal.

    Time frame: up to Week 12

  26. OLE Period: Number of Participants With Any TEAE

    An AE was defined as any untoward medical occurrence associated with the use of a drug in humans, whether or not it is considered drug related. An AE can therefore have been any unfavorable or unintended sign (including an abnormal laboratory finding), symptom, or disease (new or exacerbated) temporally associated with the use of study cream. A TEAE was defined as any AE reported for the first time or the worsening of a pre-existing event after the first application of study drug.

    Time frame: from beginning of Week 13 up to Week 56

  27. OLE Period: Number of Participants With Any ≥Grade 3 TEAE

    An AE was defined as any untoward medical occurrence associated with the use of a drug in humans, whether or not it is considered drug related. An AE can therefore have been any unfavorable or unintended sign (including an abnormal laboratory finding), symptom, or disease (new or exacerbated) temporally associated with the use of study cream. A TEAE was defined as any AE reported for the first time or the worsening of a pre-existing event after the first application of study drug. The severity of TEAEs was assessed using CTCAE version 5.0 Grades 1 through 5. The investigator made an assessment of intensity for each TEAE and assigned it to one of the following categories: Grade 1, mild; Grade 2, moderate; Grade 3, severe or medically significant but not immediately life threatening; Grade 4, life-threatening consequences; Grade 5, fatal.

    Time frame: from beginning of Week 13 up to Week 56

07

Results

Posted Nov 14, 2025

Participant flow

12-week DBVC Period
Participant flow — 12-week DBVC Period
MilestoneVehicle Cream BID to Ruxolitinib 1.5% Cream BIDRuxolitinib 1.5% Cream BID to Ruxolitinib 1.5% Cream BID
Started103101
Completed8490
Not completed1911
Withdrew: Adverse event41
Withdrew: Physician decision11
Withdrew: Protocol violation42
Withdrew: Withdrawal by subject97
Withdrew: Sponsor decision10
40-week OLE Period
Participant flow — 40-week OLE Period
MilestoneVehicle Cream BID to Ruxolitinib 1.5% Cream BIDRuxolitinib 1.5% Cream BID to Ruxolitinib 1.5% Cream BID
Started8490
Completed6866
Not completed1624
Withdrew: Adverse event02
Withdrew: Lack of efficacy12
Withdrew: Lost to follow-up23
Withdrew: Physician decision12
Withdrew: Protocol violation11
Withdrew: Withdrawal by subject812
Withdrew: Sponsor decision30
Withdrew: Did not complete safety follow-up period02

Outcome measures

PrimaryWI-NRS4 Response at Week 12

WI-NRS4 was defined as the percentage of participants achieving a ≥4-point improvement (reduction) in Worst-Itch Numeric Rating Scale (WI-NRS) score from baseline. The WI-NRS is a patient-reported outcome comprised of a single item rated on a scale from 0 ("no itch") to 10 ("worst imaginable itch"). Participants assessed their worst level of prurigo nodularis-related itch during the past 24 hours on a scale of 0 to 10. The WI-NRS score for baseline was determined by averaging the 7 daily WI-NRS scores before Day 1 (i.e., Days -7 to -1) for all by-visit summaries. The by-visit WI-NRS score for post-baseline visits was determined by averaging the 7 daily WI-NRS scores before the visit day. Participants with missing Week 12 data for any reason, including treatment discontinuation (due to development of atopic dermatitis lesions or any other cause), were defined as nonresponders.

Time frame:
Baseline; Week 12
Reported as:
Number · percentage of participants
WI-NRS4 Response at Week 12
percentage of participantsVehicle Cream BID to Ruxolitinib 1.5% Cream BIDRuxolitinib 1.5% Cream BID to Ruxolitinib 1.5% Cream BID
WI-NRS4 Response at Week 1220.6 (13.2 to 29.7)44.6 (34.7 to 54.8)
Statistical analysis
  • Vehicle Cream BID to Ruxolitinib 1.5% Cream BID vs Ruxolitinib 1.5% Cream BID to Ruxolitinib 1.5% Cream BID · Cochran-Mantel-Haenszel · p = 0.0003 · Odds ratio (or): 3.09 · 95% CI 1.659 to 5.744Cochran-Mantel-Haenszel test stratified by IGA-CPG-S score (2 or ≥3) and geographic region (North America or outside of North America).
  • Vehicle Cream BID to Ruxolitinib 1.5% Cream BID vs Ruxolitinib 1.5% Cream BID to Ruxolitinib 1.5% Cream BID · Response rate difference: 23.90 · 95% CI 11.42 to 36.39
SecondaryWI-NRS4 Response at Week 4

WI-NRS4 was defined as the percentage of participants achieving a ≥4-point improvement (reduction) in WI-NRS score from baseline. The WI-NRS is a patient-reported outcome comprised of a single item rated on a scale from 0 ("no itch") to 10 ("worst imaginable itch"). Participants assessed their worst level of prurigo nodularis-related itch during the past 24 hours on a scale of 0 to 10. The WI-NRS score for baseline was determined by averaging the 7 daily WI-NRS scores before Day 1 (i.e., Days -7 to -1) for all by-visit summaries. The by-visit WI-NRS score for post-baseline visits was determined by averaging the 7 daily WI-NRS scores before the visit day.

Time frame:
Baseline; Week 4
Reported as:
Number · percentage of participants
WI-NRS4 Response at Week 4
percentage of participantsVehicle Cream BID to Ruxolitinib 1.5% Cream BIDRuxolitinib 1.5% Cream BID to Ruxolitinib 1.5% Cream BID
WI-NRS4 Response at Week 412.7 (7.0 to 20.8)29.7 (21.0 to 39.6)
Statistical analysis
  • Vehicle Cream BID to Ruxolitinib 1.5% Cream BID vs Ruxolitinib 1.5% Cream BID to Ruxolitinib 1.5% Cream BID · Cochran-Mantel-Haenszel · p = 0.0034 · Odds ratio (or): 2.91 · 95% CI 1.400 to 6.033Cochran-Mantel-Haenszel test stratified by IGA-CPG-S score (2 or ≥3) and geographic region (North America or outside of North America).
  • Vehicle Cream BID to Ruxolitinib 1.5% Cream BID vs Ruxolitinib 1.5% Cream BID to Ruxolitinib 1.5% Cream BID · Response rate difference: 16.77 · 95% CI 5.82 to 27.72
SecondaryPercentage of Participants With Overall-Treatment Success at Week 12

Overall-Treatment Success was defined as both a WI-NRS4 response and Investigator's Global Assessment for Stage of Chronic Prurigo Treatment Success (IGA-CPG-S-TS). IGA-CPG-S-TS was defined as an IGA-CPG-S score of 0 or 1 with a ≥2 grade improvement from baseline. The IGA-CPG-S is an overall severity rating of chronic prurigo on a scale of 0 to 4: 0, clear (no pruriginous lesions); 1, almost clear (rare palpable pruriginous lesions \[approximately 1-5 lesions\]); 2, mild (few palpable pruriginous lesions \[approximately 6-19 lesions\]); 3, moderate (many palpable pruriginous lesions \[approximately 20-100 lesions\]); 4, severe (abundant palpable pruriginous lesions \[over 100 lesions\]).

Time frame:
Baseline; Week 12
Reported as:
Number · percentage of participants
Percentage of Participants With Overall-Treatment Success at Week 12
percentage of participantsVehicle Cream BID to Ruxolitinib 1.5% Cream BIDRuxolitinib 1.5% Cream BID to Ruxolitinib 1.5% Cream BID
Percentage of Participants With Overall-Treatment Success at Week 122.9 (0.6 to 8.3)11.9 (6.3 to 19.8)
Statistical analysis
  • Vehicle Cream BID to Ruxolitinib 1.5% Cream BID vs Ruxolitinib 1.5% Cream BID to Ruxolitinib 1.5% Cream BID · Cochran-Mantel-Haenszel · p = 0.0164 · Odds ratio (or): 4.46 · 95% CI 1.206 to 16.485Cochran-Mantel-Haenszel test stratified by IGA-CPG-S score (2 or ≥3) and geographic region (North America or outside of North America).
  • Vehicle Cream BID to Ruxolitinib 1.5% Cream BID vs Ruxolitinib 1.5% Cream BID to Ruxolitinib 1.5% Cream BID · Response rate difference: 8.75 · 95% CI 1.71 to 15.79
SecondaryPercentage of Participants With IGA-CPG-S-TS at Week 12

IGA-CPG-S-TS was defined as an IGA-CPG-S score of 0 or 1 with a ≥2 grade improvement from baseline. The IGA-CPG-S is an overall severity rating of chronic prurigo on a scale of 0 to 4: 0, clear (no lesions); 1, almost clear (rare palpable pruriginous lesions \[approximately 1-5 lesions\]); 2, mild (few palpable pruriginous lesions \[approximately 6-19 lesions\]); 3, moderate (many palpable pruriginous lesions \[approximately 20-100 lesions\]); 4, severe (abundant palpable pruriginous lesions \[over 100 lesions\]).

Time frame:
Baseline; Week 12
Reported as:
Number · percentage of participants
Percentage of Participants With IGA-CPG-S-TS at Week 12
percentage of participantsVehicle Cream BID to Ruxolitinib 1.5% Cream BIDRuxolitinib 1.5% Cream BID to Ruxolitinib 1.5% Cream BID
Percentage of Participants With IGA-CPG-S-TS at Week 123.9 (1.1 to 9.6)15.8 (9.3 to 24.4)
Statistical analysis
  • Vehicle Cream BID to Ruxolitinib 1.5% Cream BID vs Ruxolitinib 1.5% Cream BID to Ruxolitinib 1.5% Cream BID · Cochran-Mantel-Haenszel · p = 0.0048 · Odds ratio (or): 4.67 · 95% CI 1.486 to 14.647Cochran-Mantel-Haenszel test stratified by IGA-CPG-S score (2 or ≥3) and geographic region (North America or outside of North America).
  • Vehicle Cream BID to Ruxolitinib 1.5% Cream BID vs Ruxolitinib 1.5% Cream BID to Ruxolitinib 1.5% Cream BID · Response rate difference: 11.66 · 95% CI 3.71 to 19.62
SecondaryWI-NRS4 Response on Day 7

WI-NRS4 was defined as the percentage of participants achieving a ≥4-point improvement (reduction) in WI-NRS score from baseline. The WI-NRS is a patient-reported outcome comprised of a single item rated on a scale from 0 ("no itch") to 10 ("worst imaginable itch"). Participants assessed their worst level of prurigo nodularis-related itch during the past 24 hours on a scale of 0 to 10. The WI-NRS score for baseline was determined by averaging the 7 daily WI-NRS scores before Day 1 (i.e., Days -7 to -1) for all by-visit summaries. The by-visit WI-NRS score for post-baseline visits was determined by averaging the 7 daily WI-NRS scores before the visit day.

Time frame:
Baseline; Day 7
Reported as:
Number · percentage of participants
WI-NRS4 Response on Day 7
percentage of participantsVehicle Cream BID to Ruxolitinib 1.5% Cream BIDRuxolitinib 1.5% Cream BID to Ruxolitinib 1.5% Cream BID
WI-NRS4 Response on Day 78.9 (3.9 to 16.8)23.3 (15.1 to 33.4)
Statistical analysis
  • Vehicle Cream BID to Ruxolitinib 1.5% Cream BID vs Ruxolitinib 1.5% Cream BID to Ruxolitinib 1.5% Cream BID · Cochran-Mantel-Haenszel · p = 0.0064 · Odds ratio (or): 3.50 · 95% CI 1.422 to 8.608Cochran-Mantel-Haenszel test stratified by IGA-CPG-S score (2 or ≥3) and geographic region (North America or outside of North America).
  • Vehicle Cream BID to Ruxolitinib 1.5% Cream BID vs Ruxolitinib 1.5% Cream BID to Ruxolitinib 1.5% Cream BID · Response rate difference: 14.35 · 95% CI 4.54 to 24.17
SecondaryDBVC Period: Change From Baseline in WI-NRS Score at Each Post-baseline Visit

The WI-NRS is a patient-reported outcome comprised of a single item rated on a scale from 0 ("no itch") to 10 ("worst imaginable itch"). Participants assessed their worst level of prurigo nodularis-related itch during the past 24 hours on a scale of 0 to 10. The WI-NRS score for baseline was determined by averaging the 7 daily WI-NRS scores before Day 1 (i.e., Days -7 to -1) for all by-visit summaries. The by-visit WI-NRS score for post-baseline visits was determined by averaging the 7 daily WI-NRS scores before the visit day.

Time frame:
Baseline; up to Week 12
Reported as:
Least squares mean · scores on a scale
DBVC Period: Change From Baseline in WI-NRS Score at Each Post-baseline Visit
scores on a scaleVehicle Cream BID to Ruxolitinib 1.5% Cream BIDRuxolitinib 1.5% Cream BID to Ruxolitinib 1.5% Cream BID
Change from Baseline at Week 2-1.08 ± 0.196-2.07 ± 0.199
Change from Baseline at Week 4-1.52 ± 0.247-2.94 ± 0.250
Change from Baseline at Week 8-1.89 ± 0.267-3.58 ± 0.267
Change from Baseline at Week 12-2.13 ± 0.273-3.80 ± 0.272
Statistical analysis
  • Vehicle Cream BID to Ruxolitinib 1.5% Cream BID vs Ruxolitinib 1.5% Cream BID to Ruxolitinib 1.5% Cream BID · Mixed Model for Repeated Measures (MMRM) · p = 0.0005 · Least squares mean difference: -0.99 · 95% CI -1.54 to -0.44MMRM model: (Response Variable = Treatment + Stratification Factors \[IGA-CPG-S/Region\] + Visit + Treatment\*Visit)
  • Vehicle Cream BID to Ruxolitinib 1.5% Cream BID vs Ruxolitinib 1.5% Cream BID to Ruxolitinib 1.5% Cream BID · Mixed Model for Repeated Measures · p = <0.0001 · Least squares mean difference: -1.42 · 95% CI -2.11 to -0.73MMRM model: (Response Variable = Treatment + Stratification Factors \[IGA-CPG-S/Region\] + Visit + Treatment\*Visit)
  • Vehicle Cream BID to Ruxolitinib 1.5% Cream BID vs Ruxolitinib 1.5% Cream BID to Ruxolitinib 1.5% Cream BID · Mixed Model for Repeated Measures · p = <0.0001 · Least squares mean difference: -1.69 · 95% CI -2.43 to -0.94MMRM model: (Response Variable = Treatment + Stratification Factors \[IGA-CPG-S/Region\] + Visit + Treatment\*Visit)
  • Vehicle Cream BID to Ruxolitinib 1.5% Cream BID vs Ruxolitinib 1.5% Cream BID to Ruxolitinib 1.5% Cream BID · Mixed Model for Repeated Measures · p = <0.0001 · Least squares mean difference: -1.67 · 95% CI -2.43 to -0.91MMRM model: (Response Variable = Treatment + Stratification Factors \[IGA-CPG-S/Region\] + Visit + Treatment\*Visit)
SecondaryOLE Period: Change From Baseline in WI-NRS Score at Each Post-baseline Visit

The WI-NRS is a patient-reported outcome comprised of a single item rated on a scale from 0 ("no itch") to 10 ("worst imaginable itch"). Participants assessed their worst level of prurigo nodularis-related itch during the past 24 hours on a scale of 0 to 10. The WI-NRS score for baseline was determined by averaging the 7 daily WI-NRS scores before Day 1 (i.e., Days -7 to -1) for all by-visit summaries. The by-visit WI-NRS score for post-baseline visits was determined by averaging the 7 daily WI-NRS scores before the visit day.

Time frame:
Baseline; up to Week 52
Reported as:
Mean · scores on a scale
OLE Period: Change From Baseline in WI-NRS Score at Each Post-baseline Visit
scores on a scaleVehicle Cream BID to Ruxolitinib 1.5% Cream BIDRuxolitinib 1.5% Cream BID to Ruxolitinib 1.5% Cream BID
Change from Baseline at Week 14-3.11 ± 2.526-4.36 ± 2.698
Change from Baseline at Week 16-3.53 ± 2.640-4.35 ± 2.736
Change from Baseline at Week 20-4.17 ± 2.518-4.55 ± 2.744
Change from Baseline at Week 24-4.14 ± 2.628-4.64 ± 2.566
Change from Baseline at Week 28-4.02 ± 2.601-4.71 ± 2.606
Change from Baseline at Week 32-4.26 ± 2.647-4.90 ± 2.554
Change from Baseline at Week 36-4.59 ± 2.596-4.99 ± 2.680
Change from Baseline at Week 40-4.38 ± 2.634-4.89 ± 2.598
Change from Baseline at Week 44-4.91 ± 2.620-5.23 ± 2.338
Change from Baseline at Week 48-4.68 ± 2.838-5.35 ± 2.287
Change from Baseline at Week 52-4.90 ± 2.775-5.24 ± 2.298
SecondaryWI-NRS4 Response at Each Post-baseline Visit

WI-NRS4 was defined as the percentage of participants achieving a ≥4-point improvement (reduction) in WI-NRS score from baseline. The WI-NRS is a patient-reported outcome comprised of a single item rated on a scale from 0 ("no itch") to 10 ("worst imaginable itch"). Participants assessed their worst level of prurigo nodularis-related itch during the past 24 hours on a scale of 0 to 10. The WI-NRS score for baseline was determined by averaging the 7 daily WI-NRS scores before Day 1 (i.e., Days -7 to -1) for all by-visit summaries. The by-visit WI-NRS score for post-baseline visits was determined by averaging the 7 daily WI-NRS scores before the visit day.

Time frame:
Baseline; up to Week 52
Reported as:
Number · percentage of participants
WI-NRS4 Response at Each Post-baseline Visit
percentage of participantsVehicle Cream BID to Ruxolitinib 1.5% Cream BIDRuxolitinib 1.5% Cream BID to Ruxolitinib 1.5% Cream BID
Week 25.2 (1.7 to 11.7)22.2 (14.1 to 32.2)
Week 413.8 (7.6 to 22.5)34.5 (24.6 to 45.4)
Week 822.1 (13.4 to 33.0)48.8 (37.7 to 60.0)
Week 1225.9 (16.8 to 36.9)52.3 (41.3 to 63.2)
Week 1433.8 (23.2 to 45.7)55.4 (44.1 to 66.3)
Week 1642.7 (31.3 to 54.6)55.8 (44.1 to 67.2)
Week 2054.1 (42.1 to 65.7)57.5 (45.4 to 69.0)
Week 2454.8 (42.7 to 66.5)60.5 (48.6 to 71.6)
Week 2853.6 (41.2 to 65.7)64.4 (52.3 to 75.3)
Week 3257.6 (44.8 to 69.7)67.6 (55.2 to 78.5)
Week 3667.2 (54.6 to 78.2)72.5 (60.4 to 82.5)
Week 4061.2 (48.5 to 72.9)67.2 (54.3 to 78.4)
Week 4470.5 (57.4 to 81.5)75.0 (63.0 to 84.7)
Week 4860.0 (47.1 to 72.0)76.5 (64.6 to 85.9)
Week 5264.5 (51.3 to 76.3)74.2 (61.5 to 84.5)
SecondaryTime to ≥2-point Improvement From Baseline in WI-NRS Score

The WI-NRS is a patient-reported outcome comprised of a single item rated on a scale from 0 ("no itch") to 10 ("worst imaginable itch"). Participants assessed their worst level of prurigo nodularis-related itch during the past 24 hours on a scale of 0 to 10. The WI-NRS score for baseline was determined by averaging the 7 daily WI-NRS scores before Day 1 (i.e., Days -7 to -1) for all by-visit summaries. The by-visit WI-NRS score for post-baseline visits was determined by averaging the 7 daily WI-NRS scores before the visit day.

Time frame:
Baseline; up to Week 52
Reported as:
Median · days
Time to ≥2-point Improvement From Baseline in WI-NRS Score
daysVehicle Cream BID to Ruxolitinib 1.5% Cream BIDRuxolitinib 1.5% Cream BID to Ruxolitinib 1.5% Cream BID
Time to ≥2-point Improvement From Baseline in WI-NRS Score13.0 (7.0 to 24.0)5.0 (4.0 to 8.0)
Statistical analysis
  • Vehicle Cream BID to Ruxolitinib 1.5% Cream BID vs Ruxolitinib 1.5% Cream BID to Ruxolitinib 1.5% Cream BID · Log Rank · p = <0.0001 · Hazard ratio (hr): 1.925 · 95% CI 1.406 to 2.636Cox regression model stratified by stratification factors (Baseline IGA 2/3, Region North America/ Outside of North America) was conducted to compare the difference in hazard rate between treatment and vehicle.
SecondaryTime to ≥4-point Improvement From Baseline in WI-NRS Score

The WI-NRS is a patient-reported outcome comprised of a single item rated on a scale from 0 ("no itch") to 10 ("worst imaginable itch"). Participants assessed their worst level of prurigo nodularis-related itch during the past 24 hours on a scale of 0 to 10. The WI-NRS score for baseline was determined by averaging the 7 daily WI-NRS scores before Day 1 (i.e., Days -7 to -1) for all by-visit summaries. The by-visit WI-NRS score for post-baseline visits was determined by averaging the 7 daily WI-NRS scores before the visit day.

Time frame:
Baseline; up to Week 52
Reported as:
Median · days
Time to ≥4-point Improvement From Baseline in WI-NRS Score
daysVehicle Cream BID to Ruxolitinib 1.5% Cream BIDRuxolitinib 1.5% Cream BID to Ruxolitinib 1.5% Cream BID
Time to ≥4-point Improvement From Baseline in WI-NRS ScoreNA (60.0 to NA)26.0 (18.0 to 39.0)
Statistical analysis
  • Vehicle Cream BID to Ruxolitinib 1.5% Cream BID vs Ruxolitinib 1.5% Cream BID to Ruxolitinib 1.5% Cream BID · Log Rank · p = 0.0002 · Hazard ratio (hr): 2.111 · 95% CI 1.419 to 3.139Cox regression model stratified by stratification factors (Baseline IGA 2/3, Region North America/ Outside of North America) was conducted to compare the difference in hazard rate between treatment and vehicle.
SecondaryDBVC Period: Percentage of Participants With a ≥2-point Improvement (Reduction) in Skin Pain NRS Score From Baseline

Participants assessed their worst level of prurigo nodularis-related skin pain during the past 24 hours on a scale of 0 ("no pain") to 10 ("worse imaginable pain"). The Skin Pain NRS score for baseline was determined by averaging the 7 daily NRS scores before Day 1 (i.e., Days -7 to -1) for all by-visit summaries. The by-visit Skin Pain NRS score for post-baseline visits was determined by averaging the 7 daily NRS scores before the visit day.

Time frame:
Baseline; up to Week 12
Reported as:
Number · percentage of participants
DBVC Period: Percentage of Participants With a ≥2-point Improvement (Reduction) in Skin Pain NRS Score From Baseline
percentage of participantsVehicle Cream BID to Ruxolitinib 1.5% Cream BIDRuxolitinib 1.5% Cream BID to Ruxolitinib 1.5% Cream BID
Week 220.2 (12.4 to 30.1)36.1 (25.9 to 47.4)
Week 430.7 (21.3 to 41.4)56.3 (44.7 to 67.3)
Week 833.8 (23.0 to 46.0)64.9 (53.2 to 75.5)
Week 1245.3 (33.8 to 57.3)65.8 (54.3 to 76.1)
SecondaryOLE Period: Percentage of Participants With a ≥2-point Improvement (Reduction) in Skin Pain NRS Score From Baseline

Participants assessed their worst level of prurigo nodularis-related skin pain during the past 24 hours on a scale of 0 ("no pain") to 10 ("worse imaginable pain"). The Skin Pain NRS score for baseline was determined by averaging the 7 daily NRS scores before Day 1 (i.e., Days -7 to -1) for all by-visit summaries. The by-visit Skin Pain NRS score for post-baseline visits was determined by averaging the 7 daily NRS scores before the visit day.

Time frame:
Baseline; up to Week 52
Reported as:
Number · percentage of participants
OLE Period: Percentage of Participants With a ≥2-point Improvement (Reduction) in Skin Pain NRS Score From Baseline
percentage of participantsVehicle Cream BID to Ruxolitinib 1.5% Cream BIDRuxolitinib 1.5% Cream BID to Ruxolitinib 1.5% Cream BID
Week 1457.1 (44.7 to 68.9)76.6 (65.6 to 85.5)
Week 1668.6 (56.4 to 79.1)78.6 (67.1 to 87.5)
Week 2079.4 (67.9 to 88.3)77.6 (65.8 to 86.9)
Week 2477.9 (66.2 to 87.1)80.0 (68.7 to 88.6)
Week 2875.0 (62.6 to 85.0)82.4 (71.2 to 90.5)
Week 3278.7 (66.3 to 88.1)81.0 (69.1 to 89.8)
Week 3679.0 (66.8 to 88.3)82.8 (71.3 to 91.1)
Week 4082.3 (70.5 to 90.8)83.1 (71.0 to 91.6)
Week 4487.7 (76.3 to 94.9)84.1 (72.7 to 92.1)
Week 4881.7 (69.6 to 90.5)85.7 (74.6 to 93.3)
Week 5286.0 (74.2 to 93.7)86.0 (74.2 to 93.7)
SecondaryDBVC Period: Change From Baseline in Skin Pain NRS Score at Each Post-baseline Visit

Participants assessed their worst level of prurigo nodularis-related skin pain during the past 24 hours on a scale of 0 ("no pain") to 10 ("worse imaginable pain"). The Skin Pain NRS score for baseline was determined by averaging the 7 daily NRS scores before Day 1 (i.e., Days -7 to -1) for all by-visit summaries. The by-visit Skin Pain NRS score for post-baseline visits was determined by averaging the 7 daily NRS scores before the visit day. Change from baseline was calculated as the post-baseline value minus the baseline value.

Time frame:
Baseline; up to Week 12
Reported as:
Least squares mean · scores on a scale
DBVC Period: Change From Baseline in Skin Pain NRS Score at Each Post-baseline Visit
scores on a scaleVehicle Cream BID to Ruxolitinib 1.5% Cream BIDRuxolitinib 1.5% Cream BID to Ruxolitinib 1.5% Cream BID
Change from Baseline at Week 2-1.02 ± 0.187-1.70 ± 0.187
Change from Baseline at Week 4-1.44 ± 0.242-2.58 ± 0.242
Change from Baseline at Week 8-1.84 ± 0.265-2.94 ± 0.261
Change from Baseline at Week 12-2.05 ± 0.276-3.19 ± 0.271
Statistical analysis
  • Vehicle Cream BID to Ruxolitinib 1.5% Cream BID vs Ruxolitinib 1.5% Cream BID to Ruxolitinib 1.5% Cream BID · Mixed Model for Repeated Measures · p = 0.0111 · Least squares mean difference: -0.68 · 95% CI -1.20 to -0.16
  • Vehicle Cream BID to Ruxolitinib 1.5% Cream BID vs Ruxolitinib 1.5% Cream BID to Ruxolitinib 1.5% Cream BID · Mixed Model for Repeated Measures · p = 0.0010 · Least squares mean difference: -1.15 · 95% CI -1.82 to -0.47
  • Vehicle Cream BID to Ruxolitinib 1.5% Cream BID vs Ruxolitinib 1.5% Cream BID to Ruxolitinib 1.5% Cream BID · Mixed Model for Repeated Measures · p = 0.0034 · Least squares mean difference: -1.10 · 95% CI -1.84 to -0.37
  • Vehicle Cream BID to Ruxolitinib 1.5% Cream BID vs Ruxolitinib 1.5% Cream BID to Ruxolitinib 1.5% Cream BID · Mixed Model for Repeated Measures · p = 0.0038 · Least squares mean difference: -1.13 · 95% CI -1.90 to -0.37
SecondaryOLE Period: Change From Baseline in Skin Pain NRS Score at Each Post-baseline Visit

Participants assessed their worst level of prurigo nodularis-related skin pain during the past 24 hours on a scale of 0 ("no pain") to 10 ("worse imaginable pain"). The Skin Pain NRS score for baseline was determined by averaging the 7 daily NRS scores before Day 1 (i.e., Days -7 to -1) for all by-visit summaries. The by-visit Skin Pain NRS score for post-baseline visits was determined by averaging the 7 daily NRS scores before the visit day. Change from baseline was calculated as the post-baseline value minus the baseline value.

Time frame:
Baseline; up to Week 52
Reported as:
Mean · scores on a scale
OLE Period: Change From Baseline in Skin Pain NRS Score at Each Post-baseline Visit
scores on a scaleVehicle Cream BID to Ruxolitinib 1.5% Cream BIDRuxolitinib 1.5% Cream BID to Ruxolitinib 1.5% Cream BID
Change from Baseline at Week 14-2.88 ± 2.540-3.72 ± 2.726
Change from Baseline at Week 16-3.20 ± 2.496-3.68 ± 2.691
Change from Baseline at Week 20-3.76 ± 2.486-3.88 ± 2.792
Change from Baseline at Week 24-3.84 ± 2.770-3.95 ± 2.839
Change from Baseline at Week 28-3.81 ± 2.691-4.04 ± 2.705
Change from Baseline at Week 32-3.95 ± 2.860-4.29 ± 2.785
Change from Baseline at Week 36-4.28 ± 2.815-4.39 ± 2.760
Change from Baseline at Week 40-4.29 ± 2.928-4.31 ± 2.693
Change from Baseline at Week 44-4.72 ± 2.612-4.77 ± 2.705
Change from Baseline at Week 48-4.51 ± 2.664-4.84 ± 2.632
Change from Baseline at Week 52-4.72 ± 2.551-4.73 ± 2.617
SecondaryPercentage of Participants With IGA-CPG-S-TS at Each Postbaseline Visit

IGA-CPG-S-TS was defined as an IGA-CPG-S score of 0 or 1 with a ≥2 grade improvement from baseline. The IGA-CPG-S is an overall severity rating of chronic prurigo nodularis on a scale of 0 to 4: 0, clear (no lesions); 1, almost clear (rare palpable pruriginous lesions \[approximately 1-5 lesions\]); 2, mild (few palpable pruriginous lesions \[approximately 6-19 lesions\]); 3, moderate (many palpable pruriginous lesions \[approximately 20-100 lesions\]); 4, severe (abundant palpable pruriginous lesions \[over 100 lesions\]). Participants with missing Week 12 data for any reason, including treatment discontinuation (due to development of atopic dermatitis lesions or any other cause), were defined as nonresponders.

Time frame:
Baseline; up to Week 52
Reported as:
Number · percentage of participants
Percentage of Participants With IGA-CPG-S-TS at Each Postbaseline Visit
percentage of participantsVehicle Cream BID to Ruxolitinib 1.5% Cream BIDRuxolitinib 1.5% Cream BID to Ruxolitinib 1.5% Cream BID
Week 21.0 (0.0 to 5.6)2.1 (0.3 to 7.3)
Week 43.2 (0.7 to 9.0)8.4 (3.7 to 15.9)
Week 85.8 (1.9 to 13.0)15.6 (8.8 to 24.7)
Week 124.8 (1.3 to 11.7)17.8 (10.5 to 27.3)
Week 147.6 (2.8 to 15.8)22.5 (14.3 to 32.6)
Week 1617.5 (9.9 to 27.6)29.9 (20.5 to 40.6)
Week 2024.1 (15.1 to 35.0)29.4 (20.0 to 40.3)
Week 2421.5 (13.1 to 32.2)32.5 (22.6 to 43.7)
Week 2825.0 (15.8 to 36.3)33.3 (23.2 to 44.7)
Week 3236.6 (25.5 to 48.9)37.7 (26.9 to 49.4)
Week 3635.7 (24.6 to 48.1)38.2 (27.2 to 50.0)
Week 4031.4 (20.9 to 43.6)36.1 (25.1 to 48.3)
Week 4440.6 (28.9 to 53.1)39.2 (28.0 to 51.2)
Week 4837.7 (26.3 to 50.2)35.6 (24.7 to 47.7)
Week 5242.0 (30.2 to 54.5)46.5 (34.5 to 58.7)
SecondaryPercentage of Participants With a IGA-CPG-A Score of 0 or 1 With ≥2-grade Improvement (Reduction) at Each Post-baseline Visit

The Investigator Global Assessment for Activity of Chronic Prurigo (IGA-CPG-A) is an overall severity rating of chronic prurigo nodularis on a scale of 0 to 4: 0, clear (no pruriginous lesions have excoriations or crusts); 1, almost clear (very small proportion of pruriginous lesions have excoriations or crusts \[up to approximately 10% of all pruriginous lesions\]); 2, mild (minority of pruriginous lesions have excoriations or crusts \[approximately 11%-25% of all pruriginous lesions\]); 3, moderate (many pruriginous lesions have excoriations or crusts \[approximately 26%-75% of all pruriginous lesions\]); 4, severe (majority of pruriginous lesions have excoriations or crusts \[approximately 76%-100% of all pruriginous lesions\]).

Time frame:
Baseline; up to Week 52
Reported as:
Number · percentage of participants
Percentage of Participants With a IGA-CPG-A Score of 0 or 1 With ≥2-grade Improvement (Reduction) at Each Post-baseline Visit
percentage of participantsVehicle Cream BID to Ruxolitinib 1.5% Cream BIDRuxolitinib 1.5% Cream BID to Ruxolitinib 1.5% Cream BID
Week 21.0 (0.0 to 5.6)5.2 (1.7 to 11.6)
Week 45.3 (1.7 to 12.0)11.6 (5.9 to 19.8)
Week 814.0 (7.4 to 23.1)24.4 (16.0 to 34.6)
Week 1210.7 (5.0 to 19.4)23.3 (15.1 to 33.4)
Week 1417.7 (10.0 to 27.9)24.7 (16.2 to 35.0)
Week 1631.3 (21.3 to 42.6)34.5 (24.6 to 45.4)
Week 2027.8 (18.3 to 39.1)35.3 (25.2 to 46.4)
Week 2439.2 (28.4 to 50.9)38.6 (28.1 to 49.9)
Week 2839.5 (28.4 to 51.4)40.7 (29.9 to 52.2)
Week 3240.8 (29.3 to 53.2)41.6 (30.4 to 53.4)
Week 3641.4 (29.8 to 53.8)42.1 (30.9 to 54.0)
Week 4041.4 (29.8 to 53.8)36.1 (25.1 to 48.3)
Week 4444.9 (32.9 to 57.4)44.6 (33.0 to 56.6)
Week 4846.4 (34.3 to 58.8)46.6 (34.8 to 58.6)
Week 5250.7 (38.4 to 63.0)50.7 (38.6 to 62.8)
SecondaryDBVC Period: Percentage of Participants With >75% Healed Lesions From Prurigo Activity Score (PAS) at Each Postbaseline Visit

The extent and severity of prurigo nodularis was assessed via the PAS (version 1.2). The first 3 items are descriptive of the type, predominant type, distribution, and quantity of pruriginous lesions. The remaining 2 items of the PAS assess disease activity in terms of percentage (i.e., 0%, 1%-25%, 26%-50%, 51%-75%, and 76%-100%) of pruriginous lesions with excoriations/crusts on top (to reflect active scratching) and the percentage (i.e., 100%, 76%-99%, 51%-75%, 26%-50%, and 0%-25%) of healed pruriginous lesions in order to quantify change of prurigo nodularis skin lesions.

Time frame:
Baseline; up to Week 12
Reported as:
Number · percentage of participants
DBVC Period: Percentage of Participants With >75% Healed Lesions From Prurigo Activity Score (PAS) at Each Postbaseline Visit
percentage of participantsVehicle Cream BID to Ruxolitinib 1.5% Cream BIDRuxolitinib 1.5% Cream BID to Ruxolitinib 1.5% Cream BID
Week 210.3 (5.1 to 18.1)14.4 (8.1 to 23.0)
Week 421.3 (13.5 to 30.9)26.3 (17.8 to 36.4)
Week 823.3 (14.8 to 33.6)32.2 (22.8 to 42.9)
Week 1222.6 (14.2 to 33.0)32.2 (22.8 to 42.9)
SecondaryOLE Period: Percentage of Participants With >75% Healed Lesions From PAS at Each Postbaseline Visit

The extent and severity of prurigo nodularis was assessed via the PAS (version 1.2). The first 3 items are descriptive of the type, predominant type, distribution, and quantity of pruriginous lesions. The remaining 2 items of the PAS assess disease activity in terms of percentage (i.e., 0%, 1%-25%, 26%-50%, 51%-75%, and 76%-100%) of pruriginous lesions with excoriations/crusts on top (to reflect active scratching) and the percentage (i.e., 100%, 76%-99%, 51%-75%, 26%-50%, and 0%-25%) of healed pruriginous lesions in order to quantify change of prurigo nodularis skin lesions.

Time frame:
Baseline; up to Week 52
Reported as:
Number · percentage of participants
OLE Period: Percentage of Participants With >75% Healed Lesions From PAS at Each Postbaseline Visit
percentage of participantsVehicle Cream BID to Ruxolitinib 1.5% Cream BIDRuxolitinib 1.5% Cream BID to Ruxolitinib 1.5% Cream BID
Week 1436.7 (26.1 to 48.3)37.1 (27.1 to 48.0)
Week 1640.0 (29.2 to 51.6)44.8 (34.1 to 55.9)
Week 2046.8 (35.5 to 58.4)45.9 (35.0 to 57.0)
Week 2458.2 (46.6 to 69.2)49.4 (38.2 to 60.6)
Week 2861.8 (50.0 to 72.8)48.1 (36.9 to 59.5)
Week 3262.0 (49.7 to 73.2)51.9 (40.3 to 63.5)
Week 3662.9 (50.5 to 74.1)57.9 (46.0 to 69.1)
Week 4064.3 (51.9 to 75.4)62.5 (50.3 to 73.6)
Week 4466.7 (54.3 to 77.6)68.9 (57.1 to 79.2)
Week 4866.7 (54.3 to 77.6)67.1 (55.1 to 77.7)
Week 5269.6 (57.3 to 80.1)66.2 (54.0 to 77.0)
SecondaryDBVC Period: Change From Baseline in the Dermatology Life Quality Index (DLQI) Total Score at Each Post-baseline Visit

The DLQI is a simple, 10-question, validated questionnaire to measure how much the skin problem has affected the participant over the previous 7 days. Each question was scored as: 3 (very much), 2 (a lot), 1 (a little), 0 (not at all or not relevant). The DLQI total score was calculated by summing the score of each question, resulting in a maximum of 30 and a minimum of 0. The higher the score, the more the quality of life was impaired. Total DLQI scores were categorized as follows: 0 to 1 (no effect), 2 to 5 (small effect), 6 to 10 (moderate effect), 11 to 20 (very large effect), and 21 to 30 (extremely large effect). Change from Baseline was calculated as the post-baseline visit minus the baseline visit.

Time frame:
Baseline; up to Week 12
Reported as:
Least squares mean · scores on a scale
DBVC Period: Change From Baseline in the Dermatology Life Quality Index (DLQI) Total Score at Each Post-baseline Visit
scores on a scaleVehicle Cream BID to Ruxolitinib 1.5% Cream BIDRuxolitinib 1.5% Cream BID to Ruxolitinib 1.5% Cream BID
Change from Baseline at Week 2-4.47 ± 0.591-4.67 ± 0.576
Change from Baseline at Week 4-5.37 ± 0.661-5.71 ± 0.650
Change from Baseline at Week 8-5.17 ± 0.677-6.25 ± 0.661
Change from Baseline at Week 12-4.65 ± 0.696-6.04 ± 0.675
Statistical analysis
  • Vehicle Cream BID to Ruxolitinib 1.5% Cream BID vs Ruxolitinib 1.5% Cream BID to Ruxolitinib 1.5% Cream BID · Mixed Model for Repeated Measures · p = 0.8028 · Least squares mean difference: -0.21 · 95% CI -1.84 to 1.42MMRM model: (Response Variable = Treatment + Stratification Factors \[IGA-CPG-S/Region\] + Visit + Treatment\*Visit)
  • Vehicle Cream BID to Ruxolitinib 1.5% Cream BID vs Ruxolitinib 1.5% Cream BID to Ruxolitinib 1.5% Cream BID · Mixed Model for Repeated Measures · p = 0.7151 · Least squares mean difference: -0.34 · 95% CI -2.17 to 1.49MMRM model: (Response Variable = Treatment + Stratification Factors \[IGA-CPG-S/Region\] + Visit + Treatment\*Visit)
  • Vehicle Cream BID to Ruxolitinib 1.5% Cream BID vs Ruxolitinib 1.5% Cream BID to Ruxolitinib 1.5% Cream BID · Mixed Model for Repeated Measures · p = 0.2569 · Least squares mean difference: -1.08 · 95% CI -2.95 to 0.79MMRM model: (Response Variable = Treatment + Stratification Factors \[IGA-CPG-S/Region\] + Visit + Treatment\*Visit)
  • Vehicle Cream BID to Ruxolitinib 1.5% Cream BID vs Ruxolitinib 1.5% Cream BID to Ruxolitinib 1.5% Cream BID · Mixed Model for Repeated Measures · p = 0.1555 · Least squares mean difference: -1.39 · 95% CI -3.30 to 0.53MMRM model: (Response Variable = Treatment + Stratification Factors \[IGA-CPG-S/Region\] + Visit + Treatment\*Visit)
SecondaryOLE Period: Change From Baseline in the DLQI Total Score at Each Post-baseline Visit

The DLQI is a simple, 10-question, validated questionnaire to measure how much the skin problem has affected the participant over the previous 7 days. Each question was scored as: 3 (very much), 2 (a lot), 1 (a little), 0 (not at all or not relevant). The DLQI total score was calculated by summing the score of each question, resulting in a maximum of 30 and a minimum of 0. The higher the score, the more the quality of life was impaired. Total DLQI scores were categorized as follows: 0 to 1 (no effect), 2 to 5 (small effect), 6 to 10 (moderate effect), 11 to 20 (very large effect), and 21 to 30 (extremely large effect). Change from Baseline was calculated as the post-baseline visit minus the baseline visit.

Time frame:
Baseline; up to Week 52
Reported as:
Mean · scores on a scale
OLE Period: Change From Baseline in the DLQI Total Score at Each Post-baseline Visit
scores on a scaleVehicle Cream BID to Ruxolitinib 1.5% Cream BIDRuxolitinib 1.5% Cream BID to Ruxolitinib 1.5% Cream BID
Change from Baseline at Week 14-7.22 ± 6.179-6.91 ± 6.051
Change from Baseline at Week 16-7.27 ± 6.210-7.47 ± 6.054
Change from Baseline at Week 20-7.30 ± 6.406-6.94 ± 6.029
Change from Baseline at Week 24-7.30 ± 5.801-7.27 ± 6.149
Change from Baseline at Week 28-7.79 ± 6.198-7.58 ± 5.859
Change from Baseline at Week 32-8.25 ± 5.769-8.00 ± 6.368
Change from Baseline at Week 36-7.85 ± 5.863-8.19 ± 6.668
Change from Baseline at Week 40-8.54 ± 6.561-7.76 ± 6.695
Change from Baseline at Week 44-8.26 ± 6.417-7.99 ± 6.617
Change from Baseline at Week 48-8.19 ± 6.790-8.10 ± 6.091
Change from Baseline at Week 52-8.09 ± 6.401-8.09 ± 6.453
SecondaryDBVC Period: Change From Baseline in European Quality of Life 5 Dimensions 5 Level Version (EQ-5D-5L) Visual Analog Scale (VAS) Score at Each Postbaseline Visit

The EQ-5D-5L is a standardized instrument for use as a measure of health outcome. The EQ-5D-5L consists of 2 sections: the EQ-5D descriptive system and the EQ VAS. The descriptive system comprises 5 dimensions: mobility, self-care, usual activities, pain/discomfort, and anxiety/depression. Each dimension has 5 response levels, which are coded by single-digit numbers: 1 = no problems, 2 = slight problems, 3 = moderate problems, 4 = severe problems, 5 = unable to/extreme problems. The EQ VAS records the participant's self-rated health on a vertical VAS (0-100), on which the endpoints are labeled "the best health you can imagine" (100 score) and "the worst health you can imagine" (0 score). Change from Baseline was calculated as the post-baseline value minus the baseline value.

Time frame:
Baseline; up to Week 12
Reported as:
Least squares mean · scores on a scale
DBVC Period: Change From Baseline in European Quality of Life 5 Dimensions 5 Level Version (EQ-5D-5L) Visual Analog Scale (VAS) Score at Each Postbaseline Visit
scores on a scaleVehicle Cream BID to Ruxolitinib 1.5% Cream BIDRuxolitinib 1.5% Cream BID to Ruxolitinib 1.5% Cream BID
Change from Baseline at Week 23.00 ± 1.9487.90 ± 1.896
Change from Baseline at Week 45.59 ± 1.9408.90 ± 1.914
Change from Baseline at Week 82.52 ± 2.1899.83 ± 2.133
Change from Baseline at Week 125.35 ± 2.23511.26 ± 2.171
Statistical analysis
  • Vehicle Cream BID to Ruxolitinib 1.5% Cream BID vs Ruxolitinib 1.5% Cream BID to Ruxolitinib 1.5% Cream BID · Mixed Model for Repeated Measures · p = 0.0736 · Least squares mean difference: 4.90 · 95% CI -0.47 to 10.27MMRM model: (Response Variable = Treatment + Stratification Factors \[IGA-CPG-S/Region\] + Visit + Treatment\*Visit)
  • Vehicle Cream BID to Ruxolitinib 1.5% Cream BID vs Ruxolitinib 1.5% Cream BID to Ruxolitinib 1.5% Cream BID · Mixed Model for Repeated Measures · p = 0.2265 · Least squares mean difference: 3.31 · 95% CI -2.07 to 8.69MMRM model: (Response Variable = Treatment + Stratification Factors \[IGA-CPG-S/Region\] + Visit + Treatment\*Visit)
  • Vehicle Cream BID to Ruxolitinib 1.5% Cream BID vs Ruxolitinib 1.5% Cream BID to Ruxolitinib 1.5% Cream BID · Mixed Model for Repeated Measures · p = 0.0180 · Least squares mean difference: 7.31 · 95% CI 1.27 to 13.35MMRM model: (Response Variable = Treatment + Stratification Factors \[IGA-CPG-S/Region\] + Visit + Treatment\*Visit)
  • Vehicle Cream BID to Ruxolitinib 1.5% Cream BID vs Ruxolitinib 1.5% Cream BID to Ruxolitinib 1.5% Cream BID · Mixed Model for Repeated Measures · p = 0.0600 · Least squares mean difference: 5.90 · 95% CI -0.25 to 12.06MMRM model: (Response Variable = Treatment + Stratification Factors \[IGA-CPG-S/Region\] + Visit + Treatment\*Visit)
SecondaryOLE Period: Change From Baseline in EQ-5D-5L VAS Score at Each Postbaseline Visit

The EQ-5D-5L is a standardized instrument for use as a measure of health outcome. The EQ-5D-5L consists of 2 sections: the EQ-5D descriptive system and the EQ VAS. The descriptive system comprises 5 dimensions: mobility, self-care, usual activities, pain/discomfort, and anxiety/depression. Each dimension has 5 response levels, which are coded by single-digit numbers: 1 = no problems, 2 = slight problems, 3 = moderate problems, 4 = severe problems, 5 = unable to/extreme problems. The EQ VAS records the participant's self-rated health on a vertical VAS (0-100), on which the endpoints are labeled "the best health you can imagine" (100 score) and "the worst health you can imagine" (0 score). Change from Baseline was calculated as the post-baseline value minus the baseline value.

Time frame:
Baseline; up to Week 52
Reported as:
Mean · scores on a scale
OLE Period: Change From Baseline in EQ-5D-5L VAS Score at Each Postbaseline Visit
scores on a scaleVehicle Cream BID to Ruxolitinib 1.5% Cream BIDRuxolitinib 1.5% Cream BID to Ruxolitinib 1.5% Cream BID
Change from Baseline at Week 147.54 ± 19.21610.31 ± 19.293
Change from Baseline at Week 166.06 ± 20.26311.96 ± 18.199
Change from Baseline at Week 208.87 ± 18.59812.35 ± 20.565
Change from Baseline at Week 2410.62 ± 17.56011.83 ± 20.360
Change from Baseline at Week 2810.68 ± 17.10213.28 ± 19.800
Change from Baseline at Week 3211.45 ± 16.05613.01 ± 21.124
Change from Baseline at Week 3610.34 ± 16.39513.40 ± 20.482
Change from Baseline at Week 4010.34 ± 17.98414.79 ± 20.261
Change from Baseline at Week 449.55 ± 17.92314.94 ± 19.640
Change from Baseline at Week 4812.28 ± 17.66413.58 ± 18.755
Change from Baseline at Week 5211.18 ± 16.62112.51 ± 19.233
SecondaryDBVC Period: Change From Baseline in EQ-5D-5L Dimension Scores at Each Postbaseline Visit

The EQ-5D-5L is a standardized instrument for use as a measure of health outcome. The EQ-5D-5L consists of 2 sections: the EQ-5D descriptive system and the EQ VAS. The descriptive system comprises 5 dimensions: mobility, self-care, usual activities, pain/discomfort, and anxiety/depression. Each dimension has 5 response levels, which are coded by single-digit numbers: 1 = no problems, 2 = slight problems, 3 = moderate problems, 4 = severe problems, 5 = unable to/extreme problems. The EQ VAS records the participant's self-rated health on a vertical VAS (0-100), on which the endpoints are labeled "the best health you can imagine" (100 score) and "the worst health you can imagine" (0 score). Change from Baseline was calculated as the post-baseline value minus the baseline value.

Time frame:
Baseline; up to Week 12
Reported as:
Mean · scores on a scale
DBVC Period: Change From Baseline in EQ-5D-5L Dimension Scores at Each Postbaseline Visit
scores on a scaleVehicle Cream BID to Ruxolitinib 1.5% Cream BIDRuxolitinib 1.5% Cream BID to Ruxolitinib 1.5% Cream BID
Change from Baseline at Week 2, Mobility-0.18 ± 0.912-0.07 ± 0.606
Change from Baseline at Week 4, Mobility-0.21 ± 0.742-0.08 ± 0.810
Change from Baseline at Week 8, Mobility-0.19 ± 0.813-0.08 ± 0.690
Change from Baseline at Week 12, Mobility-0.13 ± 0.973-0.14 ± 0.714
Change from Baseline at Week 2, Self-care-0.01 ± 0.533-0.05 ± 0.533
Change from Baseline at Week 4, Self-care-0.06 ± 0.505-0.07 ± 0.493
Change from Baseline at Week 8, Self-care-0.06 ± 0.581-0.06 ± 0.581
Change from Baseline at Week 12, Self-care0.03 ± 0.636-0.06 ± 0.488
Change from Baseline at Week 2, Usual activities-0.19 ± 0.782-0.25 ± 0.714
Change from Baseline at Week 4, Usual activities-0.11 ± 0.785-0.21 ± 0.727
Change from Baseline at Week 8, Usual activities-0.23 ± 0.811-0.22 ± 0.726
Change from Baseline at Week 12, Usual activities-0.05 ± 0.727-0.27 ± 0.723
Change from Baseline at Week 2, Pain/discomfort-0.42 ± 1.136-0.56 ± 0.953
Change from Baseline at Week 4, Pain/discomfort-0.67 ± 1.132-0.67 ± 1.039
Change from Baseline at Week 8, Pain/discomfort-0.56 ± 1.112-0.66 ± 1.080
Change from Baseline at Week 12, Pain/discomfort-0.54 ± 1.078-0.70 ± 1.074
Change from Baseline at Week 2, Anxiety/depression-0.20 ± 1.013-0.24 ± 0.919
Change from Baseline at Week 4, Anxiety/depression-0.28 ± 1.102-0.34 ± 0.996
Change from Baseline at Week 8, Anxiety/depression-0.19 ± 1.045-0.37 ± 0.934
Change from Baseline at Week 12, Anxiety/depression-0.24 ± 1.105-0.32 ± 0.941
SecondaryOLE Period: Change From Baseline in EQ-5D-5L Dimension Scores at Each Postbaseline Visit

The EQ-5D-5L is a standardized instrument for use as a measure of health outcome. The EQ-5D-5L consists of 2 sections: the EQ-5D descriptive system and the EQ VAS. The descriptive system comprises 5 dimensions: mobility, self-care, usual activities, pain/discomfort, and anxiety/depression. Each dimension has 5 response levels, which are coded by single-digit numbers: 1 = no problems, 2 = slight problems, 3 = moderate problems, 4 = severe problems, 5 = unable to/extreme problems. The EQ VAS records the participant's self-rated health on a vertical VAS (0-100), on which the endpoints are labeled "the best health you can imagine" (100 score) and "the worst health you can imagine" (0 score). Change from Baseline was calculated as the post-baseline value minus the baseline value.

Time frame:
Baseline; up to Week 52
Reported as:
Mean · scores on a scale
OLE Period: Change From Baseline in EQ-5D-5L Dimension Scores at Each Postbaseline Visit
scores on a scaleVehicle Cream BID to Ruxolitinib 1.5% Cream BIDRuxolitinib 1.5% Cream BID to Ruxolitinib 1.5% Cream BID
Change from Baseline at Week 14, Mobility-0.05 ± 0.728-0.10 ± 0.872
Change from Baseline at Week 16, Mobility-0.17 ± 0.657-0.11 ± 0.772
Change from Baseline at Week 20, Mobility-0.21 ± 0.789-0.17 ± 0.746
Change from Baseline at Week 24, Mobility-0.28 ± 0.873-0.10 ± 0.695
Change from Baseline at Week 28, Mobility-0.14 ± 0.918-0.14 ± 0.833
Change from Baseline at Week 32, Mobility-0.15 ± 0.957-0.20 ± 0.860
Change from Baseline at Week 36, Mobility-0.19 ± 0.941-0.14 ± 0.787
Change from Baseline at Week 40, Mobility-0.27 ± 0.863-0.13 ± 0.815
Change from Baseline at Week 44, Mobility-0.11 ± 0.994-0.11 ± 0.815
Change from Baseline at Week 48, Mobility-0.24 ± 0.889-0.11 ± 0.881
Change from Baseline at Week 52, Mobility-0.26 ± 0.900-0.06 ± 0.899
Change from Baseline at Week 14, Self-care0.04 ± 0.5520.02 ± 0.606
Change from Baseline at Week 16, Self-care0.00 ± 0.562-0.11 ± 0.512
Change from Baseline at Week 20, Self-care0.03 ± 0.565-0.06 ± 0.478
Change from Baseline at Week 24, Self-care-0.07 ± 0.4990.01 ± 0.470
Change from Baseline at Week 28, Self-care-0.08 ± 0.493-0.09 ± 0.432
Change from Baseline at Week 32, Self-care-0.10 ± 0.431-0.08 ± 0.517
Change from Baseline at Week 36, Self-care-0.10 ± 0.465-0.07 ± 0.536
Change from Baseline at Week 40, Self-care-0.15 ± 0.469-0.06 ± 0.535
Change from Baseline at Week 44, Self-care-0.09 ± 0.420-0.06 ± 0.471
Change from Baseline at Week 48, Self-care-0.10 ± 0.465-0.08 ± 0.496
Change from Baseline at Week 52, Self-care-0.11 ± 0.434-0.07 ± 0.491
Change from Baseline at Week 14, Usual activities-0.13 ± 0.838-0.23 ± 0.769
Change from Baseline at Week 16, Usual activities-0.21 ± 0.800-0.27 ± 0.730
Change from Baseline at Week 20, Usual activities-0.26 ± 0.806-0.30 ± 0.777
Change from Baseline at Week 24, Usual activities-0.25 ± 0.802-0.19 ± 0.685
Change from Baseline at Week 28, Usual activities-0.26 ± 0.834-0.32 ± 0.845
Change from Baseline at Week 32, Usual activities-0.36 ± 0.792-0.32 ± 0.846
Change from Baseline at Week 36, Usual activities-0.21 ± 0.789-0.33 ± 0.647
Change from Baseline at Week 40, Usual activities-0.33 ± 0.746-0.23 ± 0.783
Change from Baseline at Week 44, Usual activities-0.36 ± 0.671-0.26 ± 0.750
Change from Baseline at Week 48, Usual activities-0.28 ± 0.755-0.31 ± 0.781
Change from Baseline at Week 52, Usual activities-0.32 ± 0.807-0.24 ± 0.806
Change from Baseline at Week 14, Pain/discomfort-0.78 ± 1.040-0.68 ± 1.056
Change from Baseline at Week 16, Pain/discomfort-0.86 ± 0.969-0.73 ± 1.084
Change from Baseline at Week 20, Pain/discomfort-0.80 ± 0.924-0.71 ± 1.215
Change from Baseline at Week 24, Pain/discomfort-0.92 ± 0.906-0.83 ± 1.098
Change from Baseline at Week 28, Pain/discomfort-0.95 ± 0.956-0.90 ± 0.988
Change from Baseline at Week 32, Pain/discomfort-0.97 ± 0.953-0.99 ± 1.116
Change from Baseline at Week 36, Pain/discomfort-0.99 ± 1.022-0.96 ± 1.098
Change from Baseline at Week 40, Pain/discomfort-1.00 ± 1.015-1.03 ± 1.063
Change from Baseline at Week 44, Pain/discomfort-0.98 ± 1.015-0.97 ± 0.978
Change from Baseline at Week 48, Pain/discomfort-1.04 ± 0.960-0.99 ± 1.094
Change from Baseline at Week 52, Pain/discomfort-1.06 ± 0.990-0.86 ± 1.158
Change from Baseline at Week 14, Anxiety/depression-0.25 ± 1.179-0.36 ± 1.030
Change from Baseline at Week 16, Anxiety/depression-0.35 ± 1.167-0.46 ± 0.970
Change from Baseline at Week 20, Anxiety/depression-0.33 ± 0.971-0.36 ± 0.932
Change from Baseline at Week 24, Anxiety/depression-0.34 ± 0.960-0.31 ± 0.902
Change from Baseline at Week 28, Anxiety/depression-0.33 ± 0.958-0.33 ± 0.892
Change from Baseline at Week 32, Anxiety/depression-0.39 ± 0.887-0.42 ± 0.951
Change from Baseline at Week 36, Anxiety/depression-0.39 ± 1.029-0.52 ± 1.015
Change from Baseline at Week 40, Anxiety/depression-0.43 ± 0.891-0.50 ± 0.959
Change from Baseline at Week 44, Anxiety/depression-0.33 ± 1.028-0.43 ± 0.901
Change from Baseline at Week 48, Anxiety/depression-0.39 ± 0.937-0.39 ± 0.881
Change from Baseline at Week 52, Anxiety/depression-0.39 ± 0.892-0.41 ± 0.893
SecondaryDBVC Period: Number of Participants With Any Treatment-emergent Adverse Event (TEAE)

An adverse event (AE) was defined as any untoward medical occurrence associated with the use of a drug in humans, whether or not it is considered drug related. An AE can therefore have been any unfavorable or unintended sign (including an abnormal laboratory finding), symptom, or disease (new or exacerbated) temporally associated with the use of study cream. A TEAE was defined as any AE reported for the first time or the worsening of a pre-existing event after the first application of study drug.

Time frame:
up to Week 12
Reported as:
Count of participants · Participants
DBVC Period: Number of Participants With Any Treatment-emergent Adverse Event (TEAE)
ParticipantsVehicle Cream BID to Ruxolitinib 1.5% Cream BIDRuxolitinib 1.5% Cream BID to Ruxolitinib 1.5% Cream BID
DBVC Period: Number of Participants With Any Treatment-emergent Adverse Event (TEAE)3731
SecondaryDBVC Period: Number of Participants With Any ≥Grade 3 TEAE

An AE was defined as any untoward medical occurrence associated with the use of a drug in humans, whether or not it is considered drug related. An AE can therefore have been any unfavorable or unintended sign (including an abnormal laboratory finding), symptom, or disease (new or exacerbated) temporally associated with the use of study cream. A TEAE was defined as any AE reported for the first time or the worsening of a pre-existing event after the first application of study drug. The severity of TEAEs was assessed using Common Terminology Criteria for Adverse Events (CTCAE) version 5.0 Grades 1 through 5. The investigator made an assessment of intensity for each TEAE and assigned it to one of the following categories: Grade 1, mild; Grade 2, moderate; Grade 3, severe or medically significant but not immediately life threatening; Grade 4, life-threatening consequences; Grade 5, fatal.

Time frame:
up to Week 12
Reported as:
Count of participants · Participants
DBVC Period: Number of Participants With Any ≥Grade 3 TEAE
ParticipantsVehicle Cream BID to Ruxolitinib 1.5% Cream BIDRuxolitinib 1.5% Cream BID to Ruxolitinib 1.5% Cream BID
DBVC Period: Number of Participants With Any ≥Grade 3 TEAE54
SecondaryOLE Period: Number of Participants With Any TEAE

An AE was defined as any untoward medical occurrence associated with the use of a drug in humans, whether or not it is considered drug related. An AE can therefore have been any unfavorable or unintended sign (including an abnormal laboratory finding), symptom, or disease (new or exacerbated) temporally associated with the use of study cream. A TEAE was defined as any AE reported for the first time or the worsening of a pre-existing event after the first application of study drug.

Time frame:
from beginning of Week 13 up to Week 56
Reported as:
Count of participants · Participants
OLE Period: Number of Participants With Any TEAE
ParticipantsVehicle Cream BID to Ruxolitinib 1.5% Cream BIDRuxolitinib 1.5% Cream BID to Ruxolitinib 1.5% Cream BID
OLE Period: Number of Participants With Any TEAE4456
SecondaryOLE Period: Number of Participants With Any ≥Grade 3 TEAE

An AE was defined as any untoward medical occurrence associated with the use of a drug in humans, whether or not it is considered drug related. An AE can therefore have been any unfavorable or unintended sign (including an abnormal laboratory finding), symptom, or disease (new or exacerbated) temporally associated with the use of study cream. A TEAE was defined as any AE reported for the first time or the worsening of a pre-existing event after the first application of study drug. The severity of TEAEs was assessed using CTCAE version 5.0 Grades 1 through 5. The investigator made an assessment of intensity for each TEAE and assigned it to one of the following categories: Grade 1, mild; Grade 2, moderate; Grade 3, severe or medically significant but not immediately life threatening; Grade 4, life-threatening consequences; Grade 5, fatal.

Time frame:
from beginning of Week 13 up to Week 56
Reported as:
Count of participants · Participants
OLE Period: Number of Participants With Any ≥Grade 3 TEAE
ParticipantsVehicle Cream BID to Ruxolitinib 1.5% Cream BIDRuxolitinib 1.5% Cream BID to Ruxolitinib 1.5% Cream BID
OLE Period: Number of Participants With Any ≥Grade 3 TEAE56

Adverse events

Collected over up to Week 56. Non-serious events are listed at a 5% frequency threshold.

Adverse event summary by group
GroupDeathsSeriousOther
Vehicle BID0/103 (0%)5/103 (4.9%)6/103 (5.8%)
INCB018424 1.5% BID0/184 (0%)14/184 (7.6%)33/184 (17.9%)
Most frequent serious events
Showing 10 of 28
Most frequent serious events
EventVehicle BIDINCB018424 1.5% BID
PneumoniaInfections and infestations1/1032/184
COVID-19Infections and infestations1/1030/184
Cerebrovascular accidentNervous system disorders1/1030/184
NephrolithiasisRenal and urinary disorders1/1031/184
NeurodermatitisSkin and subcutaneous tissue disorders1/1031/184
Urinary tract infectionInfections and infestations1/1030/184
Abscess neckInfections and infestations0/1031/184
AnaemiaBlood and lymphatic system disorders0/1031/184
Atrial flutterCardiac disorders0/1031/184
Borderline personality disorderPsychiatric disorders0/1031/184
Most frequent other events
Most frequent other events
EventVehicle BIDINCB018424 1.5% BID
NasopharyngitisInfections and infestations2/10323/184
COVID-19Infections and infestations4/10311/184

Baseline characteristics

Age, Continuous
Age, Continuous(years)Vehicle Cream BID to Ruxolitinib 1.5% Cream BIDRuxolitinib 1.5% Cream BID to Ruxolitinib 1.5% Cream BIDTotal
Mean61.0 ± 13.8559.1 ± 13.7860.1 ± 13.81
Sex: Female, Male
Sex: Female, Male(Participants)Vehicle Cream BID to Ruxolitinib 1.5% Cream BIDRuxolitinib 1.5% Cream BID to Ruxolitinib 1.5% Cream BIDTotal
Female6564129
Male383775
Race/Ethnicity, Customized
Race/Ethnicity, Customized(Participants)Vehicle Cream BID to Ruxolitinib 1.5% Cream BIDRuxolitinib 1.5% Cream BID to Ruxolitinib 1.5% Cream BIDTotal
White/Caucasian8487171
Black or African American9716
Asian and Others9514
Missing123
Race/Ethnicity, Customized
Race/Ethnicity, Customized(Participants)Vehicle Cream BID to Ruxolitinib 1.5% Cream BIDRuxolitinib 1.5% Cream BID to Ruxolitinib 1.5% Cream BIDTotal
Hispanic or Latino141832
Not Hispanic or Latino8880168
Unknown011
Missing123
08

Study locations

71 sites
  • Medical Dermatology Specialists Phoenix
    Phoenix, Arizona 85006, United States
  • Johnson Dermatology
    Fort Smith, Arkansas 72916, United States
  • First Oc Dermatology
    Fountain Valley, California 92708, United States
  • Dermatology Associates Pc
    Rockville, Maryland 20850, United States
  • Clarkston Medical Group
    Clarkston, Michigan 48346, United States
  • Revival Research Institute, Llc Troy
    Troy, Michigan 48084, United States
  • Medisearch Clinical Trials
    Saint Joseph, Missouri 64506, United States
  • Wake Forest University
    Winston-Salem, North Carolina 27157, United States
  • UC Health, Llc
    Cincinnati, Ohio 45219, United States
  • University Hospitals Cleveland Medical Center
    Cleveland, Ohio 44106, United States
  • Central Sooner Research
    Norman, Oklahoma 73071, United States
  • Dermatology Associates of Plymouth Meeting
    Plymouth Meeting, Pennsylvania 19462, United States
  • Medical University of South Carolina
    Charleston, South Carolina 29425, United States
  • International Clinical Research Tennessee Llc
    Murfreesboro, Tennessee 37130, United States
  • North Texas Center For Clinical Research Ntccr
    Frisco, Texas 75034, United States
  • Austin Institute For Clinical Research Aicr Pflugerville
    Pflugerville, Texas 78660, United States
  • Center For Clinical Studies
    Webster, Texas 77598, United States
  • Premier Clinical Research
    Spokane, Washington 99204, United States
  • Conexa Investigacion Clinica S.A.
    Buenos Aires, 01012, Argentina
  • Cedic Centro de Investigaciones Clinicas
    Ciudad Autonoma Buenos Aires, 01125, Argentina
  • Buenos Aires Skin
    Ciudad Autonoma Buenos Aires, C1055AAO, Argentina
  • Psoriahue-Medicina Interdisciplinar
    Ciudad Autonoma Buenos Aires, C1425DKG, Argentina
  • Centro de Investigaciones Medicas Mar Del Plata
    Mar del Plata, B7600FYK, Argentina
  • Fundacion Scherbovsky
    Mendoza, 05500, Argentina
  • Instituto de Especialidades de La Salud Rosario
    Rosario, S2000KPG, Argentina
  • Centro de Investigaciones Medicas Tucuman
    San Miguel de Tucumán, T4000AXL, Argentina
  • Ulb Hospital Erasme
    Brussels, 01070, Belgium
  • Cliniques Universitaires Ucl Saint-Luc
    Brussels, 01200, Belgium
  • Az Sint-Lucas
    Ghent, 09000, Belgium
  • Universitair Ziekenhuis Gent
    Ghent, 09000, Belgium
  • Universitair Ziekenhuis (Uz) Leuven
    Leuven, 03000, Belgium
  • Centre Hospitalier Universitaire de Liege - Sart Tilman
    Liège, 04000, Belgium
  • Chu Ucl Namur de Saint Elisabeth
    Namur, 05000, Belgium
  • Beacon Dermatology
    Calgary, Alberta T3E 0B2, Canada
  • Simcomed Health Ltd
    Barrie, Ontario L4M 1G7, Canada
  • Dermeffects
    London, Ontario N6H 5L4, Canada
  • Research Toronto
    Toronto, Ontario M3H 5Y8, Canada
  • Centre de Recherche Saint-Louis
    Québec, Quebec G1W 4R4, Canada
  • Centro Medico Skinmed
    Las Condes, 7580206, Chile
  • Ciec - Centro Internacional de Estudios Cli-Nicos
    Santiago, 8420383, Chile
  • Clinical Research Chile Spa.
    Valdivia, 5090000, Chile
  • Hospital Prive D'Antony
    Antony, 92160, France
  • Hospital Morvan
    Brest, 29609, France
  • Centre Hospitalier Universitaire de Nantes (Chu de Nantes) - Hotel-Dieu
    Nantes, 44093, France
  • University Hospital of Saint Etienne
    Saint-Etienne, 42270, France
  • University Medical Center Rwth Aachen
    Aachen, 52074, Germany
  • Fachklinik Bad Bentheim Dermatologie
    Bad Bentheim, 48455, Germany
  • Universitaetsklinikum Carl Gustav Carus Tu Dresden
    Dresden, 01307, Germany
  • Universitatsklinikum Schleswig Holstein
    Kiel, 24105, Germany
  • Universitatsmedizin Der Johannes Gutenberg-Universitat Mainz Iii
    Mainz, 55131, Germany
  • Universitats-Hautklink Tubingen
    Tübingen, 72076, Germany
  • Hautarztpraxis Dr. Med. Matthias Hoffmann
    Witten, 58453, Germany
  • Azienda Socio Sanitaria Territoriale Degli Spedali Civili Di Brescia (Presidio Spedali Civili)
    Brescia, 25123, Italy
  • Azienda Ospedaliero Universitaria Policlinico G.Rodolico San Marco
    Catania, 95123, Italy
  • Asl 1 Avezzano L'Aquila Sulmona- Ospedale Regionale San Salvatore
    Coppito, 67100, Italy
  • Azienda Ospedaliera Universitaria Policlinico 'Federico Ii'
    Naples, 80131, Italy
  • Fondazione Policlinico Universitario Agostino Gemelli Irccs
    Roma, 00137, Italy
  • Ospedali Riuniti Di Ancona
    Torrette, 60123, Italy
  • Amsterdam University Medical Centre
    Amsterdam, 1105 AZ, Netherlands
  • Bravis Ziekenhuis
    Bergen op Zoom, 4624 VT, Netherlands
  • Pratia McM Krakow
    Krakow, 30-510, Poland
  • ETG LODZ
    Lodz, 90-302, Poland
  • Kliniczny Szpital Wojewodzki Nr 1
    Rzeszów, 35-055, Poland
  • Clinical Research Group Sp. Z.O.O
    Warsaw, 01-142, Poland
  • High-Med Przychodnia Specjalistycza
    Warsaw, 01-817, Poland
  • Centralny Szpital Kliniczny Mswia
    Warsaw, 02-507, Poland
  • Hospital General Unviersitario de Alicante
    Alicante, 03010, Spain
  • Hospital Universitario Reina Sofia
    Córdoba, 14004, Spain
  • Hospital de Manises
    Manises, 46940, Spain
  • Hospital Universitario Quironsalud Madrid
    Pozuelo de Alarcón, 28223, Spain
  • Complejo Hospitalario Universitario de Santiago
    Santiago de Compostela, 15706, Spain
09

References and documents

Study documents

PDFs hosted by the registry, ClinicalTrials.gov.

Individual participant data

Plan to share: Yes — Incyte shares data with qualified external researchers after a research proposal is submitted. These requests are reviewed and approved by a review panel on the basis of scientific merit. All data provided is anonymized to respect the privacy of patients who have participated in the trial in line with applicable laws and regulations. The trial data availability is according to the criteria and process described on https://www.incyte.com/our-company/compliance-and-transparency

Supporting information: Study protocol, Statistical analysis plan

Time frame: Data will be shared after the primary publication or 2 years after the study has ended for market authorized products and indications.

Access criteria: Data from eligible studies will be shared with qualified researchers according to the criteria and process described in the Data Sharing section of the www.incyteclinicaltrials.com website. For approved requests, the researchers will be granted access to anonymized data under the terms of a data sharing agreement.

Data sharing details ↗ · www.incyte.com

10

Updates

Tracking since Sep 25, 2026
No changes since tracking began. The registry record was last updated on Aug 12, 2026, before this site started recording changes on Sep 25, 2026. Its history is on ClinicalTrials.gov ↗
11

Registry details

Key details

Study ID
NCT05755438
Lead sponsor
Incyte Corporation
Responsible party
Sponsor
First posted
Mar 6, 2023
Start date
Mar 10, 2023
Primary completion
Oct 7, 2024
Completion
Aug 13, 2025
Results posted
Nov 14, 2025
Last update
Aug 12, 2026

Study contacts

Haq Nawaz, md
study director · Incyte Corporation

Oversight

Data monitoring committee
No
FDA-regulated drug
Yes
FDA-regulated device
No
View the source record on ClinicalTrials.gov ↗

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This study is completed, as verified in Jul 2026. You cannot join it, but the record below documents what was studied.

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Studies of the drug tested here: Ruxolitinib

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