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CompletedNCT05170646ENDEAVOURUpdated Apr 29, 2025

An Observational Study to Assess the Real-World Effectiveness of Upadacitinib in Adult Participants With Rheumatoid Arthritis

An observational study in Rheumatoid Arthritis, sponsored by AbbVie. Completed at 15 sites in United Kingdom. Open to participants aged 18 Years and older. Per ClinicalTrials.gov, last updated 2025-04-29.

Sponsored by AbbVie · Observational

Study type
Observational
Model
Cohort
Time perspective
Prospective
Enrollment
97
Ages
18 Years and older
Sex
All
01

Study summary

Rheumatoid Arthritis (RA) is a chronic inflammatory disease causing pain, stiffness, swelling and loss of joint function. RA can reduce the ability to perform everyday tasks. This study will assess the clinical and patient-reported outcomes with upadacitinib in adult participants with moderate-to-severe RA in a real-world setting.

Upadacitinib is an approved drug for the treatment of adults with moderately to severely active RA who have had an inadequate response or intolerance to methotrexate. Adult participants with moderate-to-severe RA will be enrolled. Around 150 participants will be enrolled in the study in multiple sites in the United Kingdom.

Participants will receive upadacitinib per their physician's usual prescription. Individual data will be collected for 6 months.

No additional study-related tests will be conducted during the routine physician visits. Only data which are routinely collected during a regular visit will be utilized for this study.

02

Conditions studied

  • Rheumatoid Arthritis

Keywords

  • Rheumatoid Arthritis (RA)
  • Upadacitinib
  • RINVOQ
03

In context

Arthritis

3,554 studies on the registry are indexed under Arthritis; 317 are open to participants now.

This study's enrollment of 97 is below the median of 155 across 1,057 observational studies indexed under Arthritis.

Browse Arthritis studies →

Lead sponsor

AbbVie is the lead sponsor of 953 studies on the registry; 136 are open to participants now.

Of its 350 completed or terminated interventional studies of FDA-regulated products, 210 (60%) have results posted.

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

04

Who can participate

Ages eligible
18 Years and older
Sexes eligible
All
Accepts healthy volunteers
No
Sampling method
Non-probability sample

Study population

Adult Participants with moderate-to-severe rheumatoid arthritis (RA)

Inclusion criteria

  • American College of Rheumatology (ACR) or European League Against Rheumatism (EULAR) confirmed diagnosis of rheumatoid arthritis (RA).
  • Moderate RA (defined by National Institute for Health and Care Excellence [NICE] as 28-joint Disease Activity Score [DAS28] C-reactive protein [CRP] >3.2 and ≤5.1) or severe RA (defined by NICE as DAS28 CRP >5.1) at the time of enrollment.
  • Prescribed upadacitinib in line with marketing authorization.
  • Decision to treat with upadacitinib has been made independently and prior to enrolment in the study.
  • Able to read and understand English.
  • Willing and able to participate in the collection of patient-reported data via mobile app.

Exclusion criteria

Exclusion Criteria:

  • First dose of upadacitinib received prior to enrollment in the study (same day permitted) or more than 28 days after enrolment into the study.
  • Previously received >4 biologic disease-modifying antirheumatic drugs (bDMARD) (1 switch to a biosimilar for non-clinical reasons is allowed for each bDMARD received) or any Janus kinase (JAK) inhibitor for the treatment of RA.
  • In the opinion of the treating clinician, participant symptoms are predominately being driven by fibromyalgia or unrelated pain component instead of underlying inflammatory disease.
  • Participation in any interventional clinical trial within the 3 months prior to initiation or at any point during the study observation period.
05

Study design

Observational model
Cohort
Time perspective
Prospective
Enrollment
97 participants (actual)

Groups and cohorts

  • Participants treated with upadacitinib
06

What researchers measure

Primary outcomes

  1. Percentage of Participants Achieving 28-Joint Disease Activity Score (DAS28) C-reactive protein (CRP) Clinical Remission

    The DAS28 CRP is a composite measure of a patient's level of disease activity at a given time. The score ranges from 0-9.4 with a higher score correlating to higher disease activity. Clinical remission is defined as a DAS28 CRP \<2.6.

    Time frame: 6 Months

Secondary outcomes

  1. Percentage of Participants Achieving a Moderate European League Against Rheumatism (EULAR) Response

    The DAS28 CRP is a composite measure of a patient's level of disease activity at a given time. The score ranges from 0-9.4 with a higher score correlating to higher disease activity. A moderate EULAR response is defined as a DAS28 CRP \>5.1 with a DAS28 CRP decrease \>1.2 or DAS 28 CRP score \>3.2 and ≤5.1 with DAS28 CRP decrease \>0.6.

    Time frame: 6 Months

  2. Percentage of Participants Achieving DAS28 CRP Clinical Remission

    The DAS28 CRP is a composite measure of a patient's level of disease activity at a given time. The score ranges from 0-9.4 with a higher score correlating to higher disease activity. Clinical remission is defined as a DAS28 CRP \<2.6.

    Time frame: 3 Months

  3. Percentage of Participants Achieving DAS28 CRP Low Disease Activity

    The DAS28 CRP is a composite measure of a patient's level of disease activity at a given time. The score ranges from 0-9.4 with a higher score correlating to higher disease activity. Low disease activity is defined as DAS28 CRP \<=3.2.

    Time frame: 3 Months

  4. Percentage of Participants Achieving DAS28 CRP Low Disease Activity

    The DAS28 CRP is a composite measure of a patient's level of disease activity at a given time. The score ranges from 0-9.4 with a higher score correlating to higher disease activity. Low disease activity is defined as DAS28 CRP \<=3.2.

    Time frame: 6 Months

  5. Percentage of Participants Achieving Clinical Disease Activity Index (CDAI) Clinical Remission

    The CDAI is a validated measure of RA disease activity. Scores on the CDAI range from 0 (lowest disease activity) to 76 (highest disease activity). Clinical remission is defined as CDAI \<=2.8.

    Time frame: 3 Months

  6. Percentage of Participants Achieving CDAI Low Disease Activity

    The CDAI is a validated measure of RA disease activity. Scores on the CDAI range from 0 (lowest disease activity) to 76 (highest disease activity). Low disease activity is defined as CDAI \<=10.

    Time frame: 3 Months

  7. Percentage of Participants Achieving CDAI Clinical Remission

    The CDAI is a validated measure of RA disease activity. Scores on the CDAI range from 0 (lowest disease activity) to 76 (highest disease activity). Clinical remission is defined as CDAI \<=2.8.

    Time frame: 6 Months

  8. Percentage of Participants Achieving CDAI Low Disease Activity

    The CDAI is a validated measure of RA disease activity. Scores on the CDAI range from 0 (lowest disease activity) to 76 (highest disease activity). Low disease activity is defined as CDAI \<=10.

    Time frame: 6 Months

  9. Percentage of Participants Achieving Boolean Remission

    Boolean remission is achieved when all of the following conditions are satisfied: tender joint count \<=1, swollen joint count \<=1, CRP \<=1 mg/dL, and patient global assessment \<=1 (on a 0-10 scale).

    Time frame: 3 Months

  10. Percentage of Participants Achieving Boolean Remission

    Boolean remission is achieved when all of the following conditions are satisfied: tender joint count \<=1, swollen joint count \<=1, CRP \<=1 mg/dL, and patient global assessment \<=1 (on a 0-10 scale).

    Time frame: 6 Months

  11. Percentage of Participants Initiating Upadacitinib as Monotherapy

    Percentage of participants initiating upadacitinib without conventional synthetic disease-modifying antirheumatic drugs (csDMARDs).

    Time frame: Baseline

  12. Percentage of Participants Initiating Upadacitinib in Combination Therapy

    Percentage of participants initiating upadacitinib in combination therapy with csDMARDs.

    Time frame: Baseline

  13. Time to Discontinuation of Upadacitinib

    Time from initiation to discontinuation of upadacitinib.

    Time frame: Up to 6 Months

  14. Percentage of Participants Remaining on Treatment

    Percentage of participants remaining on upadacitinib 6 months post initiation.

    Time frame: 6 Months

  15. Number of Other (Not Rheumatoid Arthritis [RA]-Related) Concomitant Medications Prescribed

    Other (not RA-related) concomitant medications include statins and other non-RA-related concomitant medications.

    Time frame: Baseline

  16. Number of RA-Related Concomitant Medications Prescribed

    RA-related concomitant medications include csDMARDS, corticosteroids, non-steroidal anti-inflammatory drugs (NSAIDs), other painkillers, and other RA-related concomitant medications.

    Time frame: Up to 6 Months

  17. Percentage of Participants Who Have Received any COVID-19 or Herpes Zoster Vaccination

    Percentage of participants who have received any COVID-19 or Herpes Zoster vaccination and a summary of vaccination details.

    Time frame: Up to 6 Months

  18. Change from Baseline in Pain Visual Analogue Scale (VAS)

    The patient's level of pain in the last 24 hours will be measured using a pain VAS. VAS scores range from 0 to 100 points with a higher score indicating more pain.

    Time frame: Up to 6 Months

  19. Change from Baseline in Fatigue VAS Score

    A fatigue VAS will be used to assess the patient's level of fatigue on a weekly basis. VAS scores range from 0 to 100 points with a higher score indicating more fatigue.

    Time frame: Up to 6 Months

  20. Change from Baseline in Functional Assessment of Chronic Illness Therapy - Fatigue (FACIT-Fatigue) Score

    The FACIT-Fatigue Scale measures an individual's level of fatigue during their usual daily activities over the past week. on a four-point Likert scale (4 = not at all fatigued to 0 = very much fatigued). The score range for FACIT-Fatigue is between 0 and 52. A score of less than 30 indicates severe fatigue. The higher the score, the better the quality of life.

    Time frame: Up to 6 Months

  21. Change from Baseline in Patient Health Questionnaire-2 (PHQ-2) Score

    The PHQ-2 screens for the presence of possible depression. The PHQ-2 inquires about the frequency of depressed mood and anhedonia over the past 2 weeks, scoring each component from 0 ("not at all") to 3 ("nearly every day").

    Time frame: Up to 6 Months

  22. Change from Baseline in Health Assessment Questionnaire - Disability Index (HAQ-DI) Score

    The HAQ-DI assesses physical function in RA. The HAQ-DI score is the average of the highest score in each of eight categories. The total score is between 0-3.0, in 0.125 increments. Increasing scores indicate worse functioning with 0 indicating no functional impairment and 3 indicating complete impairment

    Time frame: Up to 6 Months

  23. Change from Baseline in EQ-5D-5L Score

    The EQ-5D-5L comprises of five dimensions: mobility, self-care, usual activities, pain/discomfort and anxiety/depression. Each dimension has 5 levels: no problems, slight problems, moderate problems, severe problems and extreme problems. In addition, a vertical VAS is used to assess patient's self-rated health status. The endpoints for the VAS are labelled 'the best health you can imagine' and 'the worst health you can imagine'. The recall period is one day.

    Time frame: Up to 6 Months

  24. Change from Baseline in Work Productivity and Activity Impairment Questionnaire-General Health (WPAI-GH) Score

    The WPAI-GH measures the impact of health problems on absenteeism, presenteeism, overall work performance and non-work activities using a 0 to 10 VAS.

    Time frame: Up to 6 Months

  25. Percentage of Participants Achieving Minimal Clinically Important Difference (MCID) in Pain VAS

    The patient's level of pain in the last 24 hours will be measured using a pain VAS. VAS scores range from 0 to 100 points with a higher score indicating more pain. MCID is defined as at least a 10 point difference from baseline.

    Time frame: Up to 6 Months

  26. Percentage of Participants Achieving MCID in Fatigue VAS Score

    A fatigue VAS will be used to assess the patient's level of fatigue on a weekly basis. VAS scores range from 0 to 100 points with a higher score indicating more fatigue. MCID is defined as a decrease of -1.12.

    Time frame: Up to 6 Months

  27. Percentage of Participants Achieving MCID in FACIT-Fatigue Score

    The FACIT-Fatigue Scale measures an individual's level of fatigue during their usual daily activities over the past week. on a four-point Likert scale (4 = not at all fatigued to 0 = very much fatigued). The score range for FACIT-Fatigue is between 0 and 52. A score of less than 30 indicates severe fatigue. The higher the score, the better the quality of life. MCID is defined as a 4-point increase.

    Time frame: Up to 6 Months

  28. Percentage of Participants Achieving MCID in PHQ-2 Score

    The PHQ-2 screens for the presence of possible depression. The PHQ-2 inquires about the frequency of depressed mood and anhedonia over the past 2 weeks, scoring each component from 0 ("not at all") to 3 ("nearly every day"). MCID is defined as achievement of a PHQ-2 score \<=2 and absence of low mood.

    Time frame: Up to 6 Months

  29. Percentage of Participants Achieving MCID in HAQ-DI Score

    The HAQ-DI assesses physical function in RA. The HAQ-DI score is the average of the highest score in each of eight categories. The total score is between 0-3.0, in 0.125 increments. Increasing scores indicate worse functioning with 0 indicating no functional impairment and 3 indicating complete impairment. MCID is defined as decrease of -0.22.

    Time frame: Up to 6 Months

  30. Time to Achieve MCID in FACIT-Fatigue Score

    The FACIT-Fatigue Scale measures an individual's level of fatigue during their usual daily activities over the past week. on a four-point Likert scale (4 = not at all fatigued to 0 = very much fatigued). The score range for FACIT-Fatigue is between 0 and 52. A score of less than 30 indicates severe fatigue. The higher the score, the better the quality of life. MCID is defined as a 4-point increase.

    Time frame: Up to 6 Months

  31. Time to Achieve MCID in Pain VAS

    The patient's level of pain in the last 24 hours will be measured using a pain VAS. VAS scores range from 0 to 100 points with a higher score indicating more pain. MCID is defined as at least a 10 point difference from baseline.

    Time frame: Up to 6 Months

  32. Time to Achieve MCID in Fatigue VAS Score

    A fatigue VAS will be used to assess the patient's level of fatigue on a weekly basis. VAS scores range from 0 to 100 points with a higher score indicating more fatigue. MCID is defined as a decrease of -1.12.

    Time frame: Up to 6 Months

  33. Time to Achieve MCID in PHQ-2 Score

    The PHQ-2 screens for the presence of possible depression. The PHQ-2 inquires about the frequency of depressed mood and anhedonia over the past 2 weeks, scoring each component from 0 ("not at all") to 3 ("nearly every day"). MCID is defined as achievement of a PHQ-2 score \<=2 and absence of low mood.

    Time frame: Up to 6 Months

  34. Time to Achieve MCID in HAQ-DI Score

    The HAQ-DI assesses physical function in RA. The HAQ-DI score is the average of the highest score in each of eight categories. The total score is between 0-3.0, in 0.125 increments. Increasing scores indicate worse functioning with 0 indicating no functional impairment and 3 indicating complete impairment. MCID is defined as decrease of -0.22.

    Time frame: Up to 6 Months

07

Study locations

15 sites
  • University Hospitals of Morecambe Bay NHS Foundation Trust /ID# 242376
    Kendal, Cumbria LA9 7RG, United Kingdom
  • Leicester Royal Infirmary /ID# 244674
    Leicester, England LE1 5WW, United Kingdom
  • Medway NHS Foundation Trust /ID# 244673
    Gillingham, Kent ME7 5NY, United Kingdom
  • Guys and St Thomas NHS Foundation Trust /ID# 251704
    London, London, City Of SE1 9RT, United Kingdom
  • Norfolk and Norwich University Hospitals NHS Foundation Trust /ID# 251700
    Norwich, Norfolk NR4 7UY, United Kingdom
  • Northampton General Hospital NHS Trust /ID# 251710
    Northampton, Northamptonshire NN1 5BD, United Kingdom
  • Royal United Hospitals Bath /ID# 251707
    Bath, BA1 3NG, United Kingdom
  • Cambridge University Hospitals NHS Foundation Trust /ID# 251706
    Cambridge, CB2 0QQ, United Kingdom
  • Liverpool University Hospitals NHS Foundation Trust /ID# 251701
    Liverpool, L7 8XP, United Kingdom
  • Western Health and Social Care Trust /ID# 251702
    Londonderry, BT47 6SB, United Kingdom
  • King's College Hospital NHS Foundation Trust /ID# 251705
    London, SE5 9RS, United Kingdom
  • Luton and Dunstable Hospital NHS Foundation Trust /ID# 251699
    Luton, LU4 0DZ, United Kingdom
  • Aneurin Bevan University Health Board /ID# 251703
    Newport, NP19 7PH, United Kingdom
  • The Royal Wolverhampton NHS Trust /ID# 251708
    Wolverhampton, WV10 0QP, United Kingdom
  • York and Scarborough Teaching Hospitals NHS Foundation Trust /ID# 244672
    York, YO31 8HE, United Kingdom
08

References and documents

Individual participant data

Plan to share: Undecided

09

Updates

Tracking since Sep 25, 2026
No changes since tracking began. The registry record was last updated on Apr 29, 2025, before this site started recording changes on Sep 25, 2026. Its history is on ClinicalTrials.gov ↗
10

Registry details

Key details

Study ID
NCT05170646
Lead sponsor
AbbVie
Responsible party
Sponsor
First posted
Dec 28, 2021
Start date
Mar 14, 2022
Primary completion
Jan 31, 2024
Completion
Jan 31, 2024
Last update
Apr 29, 2025

Study contacts

ABBVIE INC.
study director · AbbVie

Oversight

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

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