An observational study in Atopic Dermatitis, sponsored by AbbVie. Active, not recruiting at 140 sites in 16 countries. Open to participants aged 12 Years and older. Per ClinicalTrials.gov, last updated 2025-08-14.
Sponsored by AbbVie · Observational
Atopic dermatitis (AD; also known as atopic eczema) is an inflammatory skin disease. The safety and effectiveness of upadacitinib for AD has been well-documented in previous studies, however, important information is missing on the use patterns and outcomes with upadacitinib in a real-world setting. Therefore, the purpose of this observational study is to help inform real-world usage patterns regarding the safety and effectiveness and duration of response of upadacitinib in adolescent and adult AD participants >=12 years old in the real-world setting.
Upadacitinib is an approved drug being developed for the treatment of AD. Around 975 adolescent and adult participants who are prescribed upadacitinib for the treatment of AD in routine clinical practice will be enrolled worldwide.
Participants will receive oral upadacitinib as prescribed by their physician. Data from these participants will be collected for approximately 2 years.
There will be no additional burden for participants in this trial compared to their standard of care. Participants will attend regular visits during the course of the study at a hospital or clinic and will be asked to provide additional information by questionnaire at each visit.
1,419 studies on the registry are indexed under Dermatitis, Atopic; 258 are open to participants now.
This study's enrollment of 873 is above the median of 150 across 237 observational studies indexed under Dermatitis, Atopic.
Browse Dermatitis, Atopic studies →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.
Adolescents (12-17 years of age at baseline) and adults (>=18 years of age at baseline), with a physician-confirmed diagnosis of atopic dermatitis (AD), who are prescribed upadacitinib according to the local label and local practice.
Exclusion Criteria:
- Participants who are currently participating in interventional research (not including non-interventional study, post-marketing observational study, or registry participation).
Participants receiving upadacitinib for atopic dermatitis.
Upadacitinib (UPA) Utilization Patterns
UPA utilization patterns will be achieved by (i) providing descriptive statistics of patient demographics and disease characteristics for patients who starting UPA 15 mg at baseline and patients who starting UPA 30 mg at baseline, respectively; (ii) calculating number and proportion of patients with different UPA and concomitant therapy changes throughout the observation period, and the rationale for any changes.
Time frame: Up to Approximately 24 Months
Validated Investigator Global Assessment for Atopic Dermatitis (vIGA-AD) 0/1
vIGA-AD is a validated assessment instrument used in clinical studies to rate the severity of AD globally. A 5-point scale is used to measure the severity of disease at the time of the investigator's evaluation of the participant ranging from 0 - Clear (no inflammatory signs of atopic dermatitis (no erythema, no induration/papulation, no lichenification, no oozing/crusting). Post-inflammatory hyperpigmentation and/or hypopigmentation may be present.) to 4 - Severe (marked erythema (deep or bright red), marked induration/papulation, and/or marked lichenification.
Time frame: Month 4
vIGA-AD 0/1 Among Participants Who Achieved vIGA-AD 0/1 at Month 4
vIGA-AD is a validated assessment instrument used in clinical studies to rate the severity of AD globally. A 5-point scale is used to measure the severity of disease at the time of the investigator's evaluation of the participant ranging from 0 - Clear (no inflammatory signs of atopic dermatitis (no erythema, no induration/papulation, no lichenification, no oozing/crusting). Post-inflammatory hyperpigmentation and/or hypopigmentation may be present.) to 4 - Severe (marked erythema (deep or bright red), marked induration/papulation, and/or marked lichenification.
Time frame: Month 24
Modification of UPA or Concomitant AD Therapy and Associated Timing, Reasons
This includes UPA dose change, temporary or permanent discontinuation, switching, add or remove TCS.
Time frame: Month 24
Percentage of Participants Achieving Eczema Area and Severity Index (EASI) 75
The EASI is a validated measure used in clinical practice and clinical trials to assess the severity and extent of AD. Four AD disease characteristics (erythema, thickness \[induration, papulation, edema\], scratching \[excoriation\], and lichenification) are each assessed for severity by the investigator on a scale of "0" (absent) through "3" (severe). In addition, the area of AD involvement is assessed as a percentage by body area of head, trunk (including the genital area), upper extremities, and lower extremities (including the buttocks), and converted to a score of 0 to 6. In each body region, the area is expressed as 0, 1 (1% to 9%), 2 (10% to 29%), 3 (30% to 49%), 4 (50% to 69%), 5 (70% to 89%), or 6 (90% to 100%). The EASI score ranges from 0-72 points with an MCID of 6.6 points. Published score bands: clear (0), almost clear (0.1-1.0), mild AD (1.1-7.0), moderate AD (7.1-21.0), severe AD (21.1-50.0), very severe AD (50.1-72.0).
Time frame: Up to Approximately 24 months
Percentage of Participants Achieving EASI 90
The EASI is a validated measure used in clinical practice and clinical trials to assess the severity and extent of AD. Four AD disease characteristics (erythema, thickness \[induration, papulation, edema\], scratching \[excoriation\], and lichenification) are each assessed for severity by the investigator on a scale of "0" (absent) through "3" (severe). In addition, the area of AD involvement is assessed as a percentage by body area of head, trunk (including the genital area), upper extremities, and lower extremities (including the buttocks), and converted to a score of 0 to 6. In each body region, the area is expressed as 0, 1 (1% to 9%), 2 (10% to 29%), 3 (30% to 49%), 4 (50% to 69%), 5 (70% to 89%), or 6 (90% to 100%). The EASI score ranges from 0-72 points with an MCID of 6.6 points. Published score bands: clear (0), almost clear (0.1-1.0), mild AD (1.1-7.0), moderate AD (7.1-21.0), severe AD (21.1-50.0), very severe AD (50.1-72.0).
Time frame: Up to Approximately 24 Months
Percentage of Participants Achieving EASI 100
The EASI is a validated measure used in clinical practice and clinical trials to assess the severity and extent of AD. Four AD disease characteristics (erythema, thickness \[induration, papulation, edema\], scratching \[excoriation\], and lichenification) are each assessed for severity by the investigator on a scale of "0" (absent) through "3" (severe). In addition, the area of AD involvement is assessed as a percentage by body area of head, trunk (including the genital area), upper extremities, and lower extremities (including the buttocks), and converted to a score of 0 to 6. In each body region, the area is expressed as 0, 1 (1% to 9%), 2 (10% to 29%), 3 (30% to 49%), 4 (50% to 69%), 5 (70% to 89%), or 6 (90% to 100%). The EASI score ranges from 0-72 points with an MCID of 6.6 points. Published score bands: clear (0), almost clear (0.1-1.0), mild AD (1.1-7.0), moderate AD (7.1-21.0), severe AD (21.1-50.0), very severe AD (50.1-72.0).
Time frame: Up to Approximately 24 Months
Percentage of Participants Achieving EASI <=1
The EASI is a validated measure used in clinical practice and clinical trials to assess the severity and extent of AD. Four AD disease characteristics (erythema, thickness \[induration, papulation, edema\], scratching \[excoriation\], and lichenification) are each assessed for severity by the investigator on a scale of "0" (absent) through "3" (severe). In addition, the area of AD involvement is assessed as a percentage by body area of head, trunk (including the genital area), upper extremities, and lower extremities (including the buttocks), and converted to a score of 0 to 6. In each body region, the area is expressed as 0, 1 (1% to 9%), 2 (10% to 29%), 3 (30% to 49%), 4 (50% to 69%), 5 (70% to 89%), or 6 (90% to 100%). The EASI score ranges from 0-72 points with an MCID of 6.6 points. Published score bands: clear (0), almost clear (0.1-1.0), mild AD (1.1-7.0), moderate AD (7.1-21.0), severe AD (21.1-50.0), very severe AD (50.1-72.0).
Time frame: Up to Approximately 24 Months
Percentage of Participants Achieving EASI <=5.9
The EASI is a validated measure used in clinical practice and clinical trials to assess the severity and extent of AD. Four AD disease characteristics (erythema, thickness \[induration, papulation, edema\], scratching \[excoriation\], and lichenification) are each assessed for severity by the investigator on a scale of "0" (absent) through "3" (severe). In addition, the area of AD involvement is assessed as a percentage by body area of head, trunk (including the genital area), upper extremities, and lower extremities (including the buttocks), and converted to a score of 0 to 6. In each body region, the area is expressed as 0, 1 (1% to 9%), 2 (10% to 29%), 3 (30% to 49%), 4 (50% to 69%), 5 (70% to 89%), or 6 (90% to 100%). The EASI score ranges from 0-72 points with an MCID of 6.6 points. Published score bands: clear (0), almost clear (0.1-1.0), mild AD (1.1-7.0), moderate AD (7.1-21.0), severe AD (21.1-50.0), very severe AD (50.1-72.0).
Time frame: Up to Approximately 24 Months
Percentage of Participants Achieving EASI <=7
The EASI is a validated measure used in clinical practice and clinical trials to assess the severity and extent of AD. Four AD disease characteristics (erythema, thickness \[induration, papulation, edema\], scratching \[excoriation\], and lichenification) are each assessed for severity by the investigator on a scale of "0" (absent) through "3" (severe). In addition, the area of AD involvement is assessed as a percentage by body area of head, trunk (including the genital area), upper extremities, and lower extremities (including the buttocks), and converted to a score of 0 to 6. In each body region, the area is expressed as 0, 1 (1% to 9%), 2 (10% to 29%), 3 (30% to 49%), 4 (50% to 69%), 5 (70% to 89%), or 6 (90% to 100%). The EASI score ranges from 0-72 points with an MCID of 6.6 points. Published score bands: clear (0), almost clear (0.1-1.0), mild AD (1.1-7.0), moderate AD (7.1-21.0), severe AD (21.1-50.0), very severe AD (50.1-72.0).
Time frame: Up to Approximately 24 Months
Percentage of Participants Achieving vIGA-AD 0/1
vIGA-AD is a validated assessment instrument used in clinical studies to rate the severity of AD globally. A 5-point scale is used to measure the severity of disease at the time of the investigator's evaluation of the participant ranging from 0 - Clear (no inflammatory signs of atopic dermatitis (no erythema, no induration/papulation, no lichenification, no oozing/crusting). Post-inflammatory hyperpigmentation and/or hypopigmentation may be present.) to 4 - Severe (marked erythema (deep or bright red), marked induration/papulation, and/or marked lichenification.
Time frame: Up to Approximately 24 Months (Excluding Month 4 - Primary Outcome)
Percentage of Participants Achieving Worst Pruritus Numerical Rating Scale (WP-NRS) 0/1
Worst Pruritus NRS is a validated single self-reported item designed to measure peak pruritus, or 'worst' itch, over the previous 24 hours with a higher score denoting worse itch.
Time frame: Up to Approximately 24 Months
Percentage of Participants Achieving WP-NRS <=3
WP-NRS is a validated single self-reported item designed to measure peak pruritus, or 'worst' itch, over the previous 24 hours with a higher score denoting worse itch.
Time frame: Up to Approximately 24 Months
Percentage of Participants Achieving WP-NRS reduction >=4
WP-NRS is a validated single self-reported item designed to measure peak pruritus, or 'worst' itch, over the previous 24 hours with a higher score denoting worse itch.
Time frame: Up to Approximately 24 Months
Percentage of Participants Achieving Patient Oriented Eczema Measurement (POEM) Score <=2
The POEM is a 7-item, validated questionnaire used in clinical practice and clinical trials to assess disease symptoms in both children and adults. Subjects respond to 7 items, including dryness, itching, flaking, cracking, sleep loss, bleeding, and weeping, each scored on a 5-point scale based on frequency over the previous week: 0 = no days, 1 = 1 to 2 days, 2 = 3 to 4 days, 3 = 5 to 6 days, and 4 = all days. Item scores (0 to 4) are added to provide a total score range of 0 to 28. The total score reflects disease-related morbidity, and differentiates between "clear/almost clear" (0-2 points), "mild" (3-7 points), "moderate" (8-16 points), "severe" (17-24 points) and "very severe" (25-28 points) AD. A change in POEM score of 3.4 points is considered the MCID.
Time frame: Up to Approximately 24 Months
Percentage of Participants Achieving POEM <=7
The POEM is a 7-item, validated questionnaire used in clinical practice and clinical trials to assess disease symptoms in both children and adults. Subjects respond to 7 items, including dryness, itching, flaking, cracking, sleep loss, bleeding, and weeping, each scored on a 5-point scale based on frequency over the previous week: 0 = no days, 1 = 1 to 2 days, 2 = 3 to 4 days, 3 = 5 to 6 days, and 4 = all days. Item scores (0 to 4) are added to provide a total score range of 0 to 28. The total score reflects disease-related morbidity, and differentiates between "clear/almost clear" (0-2 points), "mild" (3-7 points), "moderate" (8-16 points), "severe" (17-24 points) and "very severe" (25-28 points) AD. A change in POEM score of 3.4 points is considered the MCID
Time frame: Up to Approximately 24 Months
Percentage of Participants Achieving POEM Reduction >=4
The POEM is a 7-item, validated questionnaire used in clinical practice and clinical trials to assess disease symptoms in both children and adults. Subjects respond to 7 items, including dryness, itching, flaking, cracking, sleep loss, bleeding, and weeping, each scored on a 5-point scale based on frequency over the previous week: 0 = no days, 1 = 1 to 2 days, 2 = 3 to 4 days, 3 = 5 to 6 days, and 4 = all days. Item scores (0 to 4) are added to provide a total score range of 0 to 28. The total score reflects disease-related morbidity, and differentiates between "clear/almost clear" (0-2 points), "mild" (3-7 points), "moderate" (8-16 points), "severe" (17-24 points) and "very severe" (25-28 points) AD. A change in POEM score of 3.4 points is considered the MCID
Time frame: Up to Approximately 24 Months
Percentage of Participants Achieving Dermatology Life Quality Index (DLQI) Score of 0/1
DLQI is a 10-item, validated questionnaire used in clinical practice and clinical trials to assess the impact of AD disease symptoms and treatment on health-related quality of life (HRQoL). It consists of 10 questions assessing impact of skin diseases on different aspects of subject's QoL over the prior week. Each item is scored on a 4-point scale: 0 = not at all/not relevant; 1 = a little; 2 = a lot; and 3 = very much. Item scores (0 to 3) are added to provide a total score range of 0 to 30. Higher scores indicate greater impairment of HRQoL.
Time frame: Up to Approximately 24 Months
Percentage of Participants Achieving DLQI Score <=5
DLQI is a 10-item, validated questionnaire used in clinical practice and clinical trials to assess the impact of AD disease symptoms and treatment on health-related quality of life (HRQoL). It consists of 10 questions assessing impact of skin diseases on different aspects of subject's QoL over the prior week. Each item is scored on a 4-point scale: 0 = not at all/not relevant; 1 = a little; 2 = a lot; and 3 = very much. Item scores (0 to 3) are added to provide a total score range of 0 to 30. Higher scores indicate greater impairment of HRQoL.
Time frame: Up to Approximately 24 Months
Percentage of Participants Achieving DLQI reduction >=4
DLQI is a 10-item, validated questionnaire used in clinical practice and clinical trials to assess the impact of AD disease symptoms and treatment on health-related quality of life (HRQoL). It consists of 10 questions assessing impact of skin diseases on different aspects of subject's QoL over the prior week. Each item is scored on a 4-point scale: 0 = not at all/not relevant; 1 = a little; 2 = a lot; and 3 = very much. Item scores (0 to 3) are added to provide a total score range of 0 to 30. Higher scores indicate greater impairment of HRQoL.
Time frame: Up to Approximately 24 Months
Percentage of Participants Achieving Atopic Dermatitis Control Tool (ADCT) <7 (control)
The ADCT is a validated patient self-administered instrument designed to assess AD control status in adult and adolescent patients (12 years and older). Six AD symptoms and impacts are evaluated over the past week including overall severity of symptoms, days with intense episodes of itching, intensity of bother, problem with sleep, impact on daily activities, and impact on mood or emotions. Each item is scored 0-4. The sum of the 6 item scores form the ADCT total score (range 0-24). A higher score indicates lower AD control. A score of ≥7 indicates that the patient is not in control. The threshold for meaningful within-person change is estimated to be 5 points.
Time frame: Up to Approximately 24 Months
Percentage of Participants Achieving ADCT reduction >=5
The ADCT is a validated patient self-administered instrument designed to assess AD control status in adult and adolescent patients (12 years and older). Six AD symptoms and impacts are evaluated over the past week including overall severity of symptoms, days with intense episodes of itching, intensity of bother, problem with sleep, impact on daily activities, and impact on mood or emotions. Each item is scored 0-4. The sum of the 6 item scores form the ADCT total score (range 0-24). A higher score indicates lower AD control. A score of ≥7 indicates that the patient is not in control. The threshold for meaningful within-person change is estimated to be 5 points.
Time frame: Up to approximately 24 Months
Percentage of Participants who are "Extremely Satisfied" or "Very Satisfied" with their AD Treatment using the Patient Global Impression of Treatment for Atopic Dermatitis (PGIT-AD)
PGIT-AD is a single item patient self-administered instrument designed to assess patient satisfaction or dissatisfaction with their current treatment for atopic dermatitis based on the following question: "Overall, how satisfied or dissatisfied are you with your current treatment for atopic dermatitis?". Response options range from 1 (extremely dissatisfied) to 7 (extremely satisfied).
Time frame: Up to Approximately 24 Months
Percentage of Participants Remaining on Upadacitinib Once Daily
Percentage of participants remaining on upadacitinib once daily at all applicable time points.
Time frame: Up to Approximately 24 Months
Percentage of Participants Achieving EASI 75 Among Participants Who Achieved EASI 75 at Month 4
The EASI is a validated measure used in clinical practice and clinical trials to assess the severity and extent of AD. Four AD disease characteristics (erythema, thickness \[induration, papulation, edema\], scratching \[excoriation\], and lichenification) are each assessed for severity by the investigator on a scale of "0" (absent) through "3" (severe). In addition, the area of AD involvement is assessed as a percentage by body area of head, trunk (including the genital area), upper extremities, and lower extremities (including the buttocks), and converted to a score of 0 to 6. In each body region, the area is expressed as 0, 1 (1% to 9%), 2 (10% to 29%), 3 (30% to 49%), 4 (50% to 69%), 5 (70% to 89%), or 6 (90% to 100%). The EASI score ranges from 0-72 points with an MCID of 6.6 points. Published score bands: clear (0), almost clear (0.1-1.0), mild AD (1.1-7.0), moderate AD (7.1-21.0), severe AD (21.1-50.0), very severe AD (50.1-72.0).
Time frame: Up to Approximately 24 months
Percentage of Participants Achieving EASI 90 Among Participants Who Achieved EASI 90 at Month 4
The EASI is a validated measure used in clinical practice and clinical trials to assess the severity and extent of AD. Four AD disease characteristics (erythema, thickness \[induration, papulation, edema\], scratching \[excoriation\], and lichenification) are each assessed for severity by the investigator on a scale of "0" (absent) through "3" (severe). In addition, the area of AD involvement is assessed as a percentage by body area of head, trunk (including the genital area), upper extremities, and lower extremities (including the buttocks), and converted to a score of 0 to 6. In each body region, the area is expressed as 0, 1 (1% to 9%), 2 (10% to 29%), 3 (30% to 49%), 4 (50% to 69%), 5 (70% to 89%), or 6 (90% to 100%). The EASI score ranges from 0-72 points with an MCID of 6.6 points. Published score bands: clear (0), almost clear (0.1-1.0), mild AD (1.1-7.0), moderate AD (7.1-21.0), severe AD (21.1-50.0), very severe AD (50.1-72.0).
Time frame: Up to Approximately 24 months
Percentage of Participants Achieving EASI 100 Among Participants Who Achieved EASI 100 at Month 4
The EASI is a validated measure used in clinical practice and clinical trials to assess the severity and extent of AD. Four AD disease characteristics (erythema, thickness \[induration, papulation, edema\], scratching \[excoriation\], and lichenification) are each assessed for severity by the investigator on a scale of "0" (absent) through "3" (severe). In addition, the area of AD involvement is assessed as a percentage by body area of head, trunk (including the genital area), upper extremities, and lower extremities (including the buttocks), and converted to a score of 0 to 6. In each body region, the area is expressed as 0, 1 (1% to 9%), 2 (10% to 29%), 3 (30% to 49%), 4 (50% to 69%), 5 (70% to 89%), or 6 (90% to 100%). The EASI score ranges from 0-72 points with an MCID of 6.6 points. Published score bands: clear (0), almost clear (0.1-1.0), mild AD (1.1-7.0), moderate AD (7.1-21.0), severe AD (21.1-50.0), very severe AD (50.1-72.0).
Time frame: Up to Approximately 24 months
Percentage of Participants Achieving vIGA-AD 0/1 Among Participants Who Achieved vIGA-AD at Month 4
vIGA-AD is a validated assessment instrument used in clinical studies to rate the severity of AD globally. A 5-point scale is used to measure the severity of disease at the time of the investigator's evaluation of the participant ranging from 0 - Clear (no inflammatory signs of atopic dermatitis (no erythema, no induration/papulation, no lichenification, no oozing/crusting). Post-inflammatory hyperpigmentation and/or hypopigmentation may be present.) to 4 - Severe (marked erythema (deep or bright red), marked induration/papulation, and/or marked lichenification.
Time frame: Up to Approximately 24 Months (Excluding Month 24 - Primary Outcome)
Percentage of Participants Achieving WP-NRS 0/1 Among Participants Who Achieved WP-NRS 0/1 at Month 4
WP-NRS is a validated single self-reported item designed to measure peak pruritus, or 'worst' itch, over the previous 24 hours with a higher score denoting worse itch.
Time frame: Up to Approximately 24 Months
Percentage of Participants Achieving DLQI Score of 0/1 Among Participants Achieving DLQI Score of 0/1 at Month 4
DLQI is a 10-item, validated questionnaire used in clinical practice and clinical trials to assess the impact of AD disease symptoms and treatment on health-related quality of life (HRQoL). It consists of 10 questions assessing impact of skin diseases on different aspects of subject's QoL over the prior week. Each item is scored on a 4-point scale: 0 = not at all/not relevant; 1 = a little; 2 = a lot; and 3 = very much. Item scores (0 to 3) are added to provide a total score range of 0 to 30. Higher scores indicate greater impairment of HRQoL.
Time frame: Up to Approximately 24 Months
Percentage of Participants Achieving ADCT Reduction <7 Among Participants Who Achieved ADCT Reduction <7 at Month 4
The ADCT is a validated patient self-administered instrument designed to assess AD control status in adult and adolescent patients (12 years and older). Six AD symptoms and impacts are evaluated over the past week including overall severity of symptoms, days with intense episodes of itching, intensity of bother, problem with sleep, impact on daily activities, and impact on mood or emotions. Each item is scored 0-4. The sum of the 6 item scores form the ADCT total score (range 0-24). A higher score indicates lower AD control. A score of ≥7 indicates that the patient is not in control. The threshold for meaningful within-person change is estimated to be 5 points.
Time frame: Up to approximately 24 Months
Absolute Score and Change from Baseline in EASI
The EASI is a validated measure used in clinical practice and clinical trials to assess the severity and extent of AD. Four AD disease characteristics (erythema, thickness \[induration, papulation, edema\], scratching \[excoriation\], and lichenification) are each assessed for severity by the investigator on a scale of "0" (absent) through "3" (severe). In addition, the area of AD involvement is assessed as a percentage by body area of head, trunk (including the genital area), upper extremities, and lower extremities (including the buttocks), and converted to a score of 0 to 6. In each body region, the area is expressed as 0, 1 (1% to 9%), 2 (10% to 29%), 3 (30% to 49%), 4 (50% to 69%), 5 (70% to 89%), or 6 (90% to 100%). The EASI score ranges from 0-72 points with an MCID of 6.6 points. Published score bands: clear (0), almost clear (0.1-1.0), mild AD (1.1-7.0), moderate AD (7.1-21.0), severe AD (21.1-50.0), very severe AD (50.1-72.0).
Time frame: Up to Approximately 24 months
Absolute Score and Change from Baseline in vIGA-AD
vIGA-AD is a validated assessment instrument used in clinical studies to rate the severity of AD globally. A 5-point scale is used to measure the severity of disease at the time of the investigator's evaluation of the participant ranging from 0 - Clear (no inflammatory signs of atopic dermatitis (no erythema, no induration/papulation, no lichenification, no oozing/crusting). Post-inflammatory hyperpigmentation and/or hypopigmentation may be present.) to 4 - Severe (marked erythema (deep or bright red), marked induration/papulation, and/or marked lichenification.
Time frame: Up to Approximately 24 months
Absolute Score and Change from Baseline in Body Surface Area (BSA)
The investigator selects the participant's right or left hand as the measuring device. For purposes of clinical estimation, the total surface of the palm plus five digits is assumed to be approximately equivalent to 1%. Measurement of the total area of involvement by the investigator is aided by imagining if scattered plaques were moved so that they were next to each other and then estimating the total area involved. Published score bands: 0% (clear), 0.1-15.9% (mild), 16.0-39.9% (moderate), 40-100% (severe).
Time frame: Up to Approximately 24 Months
Absolute Score and Change from Baseline in WP-NRS
WP-NRS is a validated single self-reported item designed to measure peak pruritus, or 'worst' itch, over the previous 24 hours with a higher score denoting worse itch.
Time frame: Up to Approximately 24 Months
Absolute Score and Change from Baseline in POEM
The POEM is a 7-item, validated questionnaire used in clinical practice and clinical trials to assess disease symptoms in both children and adults. Subjects respond to 7 items, including dryness, itching, flaking, cracking, sleep loss, bleeding, and weeping, each scored on a 5-point scale based on frequency over the previous week: 0 = no days, 1 = 1 to 2 days, 2 = 3 to 4 days, 3 = 5 to 6 days, and 4 = all days. Item scores (0 to 4) are added to provide a total score range of 0 to 28. The total score reflects disease-related morbidity, and differentiates between "clear/almost clear" (0-2 points), "mild" (3-7 points), "moderate" (8-16 points), "severe" (17-24 points) and "very severe" (25-28 points) AD. A change in POEM score of 3.4 points is considered the MCID.
Time frame: Up to Approximately 24 Months
Absolute Score and Change from Baseline in DLQI
DLQI is a 10-item, validated questionnaire used in clinical practice and clinical trials to assess the impact of AD disease symptoms and treatment on health-related quality of life (HRQoL). It consists of 10 questions assessing impact of skin diseases on different aspects of subject's QoL over the prior week. Each item is scored on a 4-point scale: 0 = not at all/not relevant; 1 = a little; 2 = a lot; and 3 = very much. Item scores (0 to 3) are added to provide a total score range of 0 to 30. Higher scores indicate greater impairment of HRQoL.
Time frame: Up to Approximately 24 Months
Absolute Score and Change from Baseline in ADCT
The ADCT is a validated patient self-administered instrument designed to assess AD control status in adult and adolescent patients (12 years and older). Six AD symptoms and impacts are evaluated over the past week including overall severity of symptoms, days with intense episodes of itching, intensity of bother, problem with sleep, impact on daily activities, and impact on mood or emotions. Each item is scored 0-4. The sum of the 6 item scores form the ADCT total score (range 0-24). A higher score indicates lower AD control. A score of ≥7 indicates that the patient is not in control. The threshold for meaningful within-person change is estimated to be 5 points.
Time frame: Up to Approximately 24 months
Absolute Score and Change from Baseline in PGIT-AD
PGIT-AD is a single item patient self-administered instrument designed to assess patient satisfaction or dissatisfaction with their current treatment for atopic dermatitis based on the following question: "Overall, how satisfied or dissatisfied are you with your current treatment for atopic dermatitis?". Response options range from 1 (extremely dissatisfied) to 7 (extremely satisfied).
Time frame: Up to Approximately 24 Months
Change from Baseline in Flare Frequency and Duration
Participants are asked to provide the number of flares in the previous 6 months, and the average duration of flares in the previous 6 months. Participants are asked if currently experiencing an atopic dermatitis flare. Flare is defined as a sudden worsening of AD requiring treatment escalation and/or additional medical advice.
Time frame: Up to Approximately 24 Months
Change from Baseline in the Number of AD-Related Physician Office or Hospital Visits
Participants are asked the number of AD-related physician office visits in the previous 6 months and the number of AD-related hospital visits in the previous 6 months.
Time frame: Up to Approximately 24 Months
Absolute Score and Change from Baseline in Work Productivity and Activity Impairment Index for Atopic Dermatitis (WPAI-AD)
The Work Productivity and Activity Impairment Index for Atopic Dermatitis (WPAI-AD) is a validated instrument used to measure loss of productivity at work and impairment in daily activities over the past 7 days. The questionnaire includes four items: absenteeism, presenteeism, overall work impairment, and activity impairment, that range from 0% to 100%, with higher values indicating greater impairment. While absenteeism represents the percentage of work time missed due to AD, presenteeism represents the percentage of impairment while at work due to AD. Overall work impairment represents the total percentage of work time missed due to either absenteeism or presenteeism (since those are mutually exclusive). Activity impairment represents the percentage of impairment during daily activities other than work. The 4 items are all evaluated using an 11-point Likert-type scale from 0 (no effect) to 10 (completely prevented), and the scores are multiplied by ten to arrive at a percentage.
Time frame: Up to Approximately 24 Months
Time to Achieve EASI 75
The EASI is a validated measure used in clinical practice and clinical trials to assess the severity and extent of AD. Four AD disease characteristics (erythema, thickness \[induration, papulation, edema\], scratching \[excoriation\], and lichenification) are each assessed for severity by the investigator on a scale of "0" (absent) through "3" (severe). In addition, the area of AD involvement is assessed as a percentage by body area of head, trunk (including the genital area), upper extremities, and lower extremities (including the buttocks), and converted to a score of 0 to 6. In each body region, the area is expressed as 0, 1 (1% to 9%), 2 (10% to 29%), 3 (30% to 49%), 4 (50% to 69%), 5 (70% to 89%), or 6 (90% to 100%). The EASI score ranges from 0-72 points with an MCID of 6.6 points. Published score bands: clear (0), almost clear (0.1-1.0), mild AD (1.1-7.0), moderate AD (7.1-21.0), severe AD (21.1-50.0), very severe AD (50.1-72.0).
Time frame: Up to Approximately 24 months
Time to Achieve EASI 90
The EASI is a validated measure used in clinical practice and clinical trials to assess the severity and extent of AD. Four AD disease characteristics (erythema, thickness \[induration, papulation, edema\], scratching \[excoriation\], and lichenification) are each assessed for severity by the investigator on a scale of "0" (absent) through "3" (severe). In addition, the area of AD involvement is assessed as a percentage by body area of head, trunk (including the genital area), upper extremities, and lower extremities (including the buttocks), and converted to a score of 0 to 6. In each body region, the area is expressed as 0, 1 (1% to 9%), 2 (10% to 29%), 3 (30% to 49%), 4 (50% to 69%), 5 (70% to 89%), or 6 (90% to 100%). The EASI score ranges from 0-72 points with an MCID of 6.6 points. Published score bands: clear (0), almost clear (0.1-1.0), mild AD (1.1-7.0), moderate AD (7.1-21.0), severe AD (21.1-50.0), very severe AD (50.1-72.0).
Time frame: Up to Approximately 24 months
Time to Achieve EASI 100
The EASI is a validated measure used in clinical practice and clinical trials to assess the severity and extent of AD. Four AD disease characteristics (erythema, thickness \[induration, papulation, edema\], scratching \[excoriation\], and lichenification) are each assessed for severity by the investigator on a scale of "0" (absent) through "3" (severe). In addition, the area of AD involvement is assessed as a percentage by body area of head, trunk (including the genital area), upper extremities, and lower extremities (including the buttocks), and converted to a score of 0 to 6. In each body region, the area is expressed as 0, 1 (1% to 9%), 2 (10% to 29%), 3 (30% to 49%), 4 (50% to 69%), 5 (70% to 89%), or 6 (90% to 100%). The EASI score ranges from 0-72 points with an MCID of 6.6 points. Published score bands: clear (0), almost clear (0.1-1.0), mild AD (1.1-7.0), moderate AD (7.1-21.0), severe AD (21.1-50.0), very severe AD (50.1-72.0).
Time frame: Up to Approximately 24 months
Time to Achieve vIGA-AD 0/1
vIGA-AD is a validated assessment instrument used in clinical studies to rate the severity of AD globally. A 5-point scale is used to measure the severity of disease at the time of the investigator's evaluation of the participant ranging from 0 - Clear (no inflammatory signs of atopic dermatitis (no erythema, no induration/papulation, no lichenification, no oozing/crusting). Post-inflammatory hyperpigmentation and/or hypopigmentation may be present.) to 4 - Severe (marked erythema (deep or bright red), marked induration/papulation, and/or marked lichenification.
Time frame: Up to Approximately 24 Months
Time to Achieve WP-NRS 0/1
WP-NRS is a validated single self-reported item designed to measure peak pruritus, or 'worst' itch, over the previous 24 hours with a higher score denoting worse itch.
Time frame: Up to Approximately 24 Months
Time to Achieve DLQI Score of 0/1
DLQI is a 10-item, validated questionnaire used in clinical practice and clinical trials to assess the impact of AD disease symptoms and treatment on health-related quality of life (HRQoL). It consists of 10 questions assessing impact of skin diseases on different aspects of subject's QoL over the prior week. Each item is scored on a 4-point scale: 0 = not at all/not relevant; 1 = a little; 2 = a lot; and 3 = very much. Item scores (0 to 3) are added to provide a total score range of 0 to 30. Higher scores indicate greater impairment of HRQoL.
Time frame: Up to Approximately 24 Months
Time to Achieve POEM <=2
The POEM is a 7-item, validated questionnaire used in clinical practice and clinical trials to assess disease symptoms in both children and adults. Subjects respond to 7 items, including dryness, itching, flaking, cracking, sleep loss, bleeding, and weeping, each scored on a 5-point scale based on frequency over the previous week: 0 = no days, 1 = 1 to 2 days, 2 = 3 to 4 days, 3 = 5 to 6 days, and 4 = all days. Item scores (0 to 4) are added to provide a total score range of 0 to 28. The total score reflects disease-related morbidity, and differentiates between "clear/almost clear" (0-2 points), "mild" (3-7 points), "moderate" (8-16 points), "severe" (17-24 points) and "very severe" (25-28 points) AD. A change in POEM score of 3.4 points is considered the MCID.
Time frame: Up to Approximately 24 Months
Time to Achieve ADCT <7
The ADCT is a validated patient self-administered instrument designed to assess AD control status in adult and adolescent patients (12 years and older). Six AD symptoms and impacts are evaluated over the past week including overall severity of symptoms, days with intense episodes of itching, intensity of bother, problem with sleep, impact on daily activities, and impact on mood or emotions. Each item is scored 0-4. The sum of the 6 item scores form the ADCT total score (range 0-24). A higher score indicates lower AD control. A score of ≥7 indicates that the patient is not in control. The threshold for meaningful within-person change is estimated to be 5 points.
Time frame: Up to Approximately 24 Months
Time-Weighted EASI Score
The EASI is a validated measure used in clinical practice and clinical trials to assess the severity and extent of AD. Four AD disease characteristics (erythema, thickness \[induration, papulation, edema\], scratching \[excoriation\], and lichenification) are each assessed for severity by the investigator on a scale of "0" (absent) through "3" (severe). In addition, the area of AD involvement is assessed as a percentage by body area of head, trunk (including the genital area), upper extremities, and lower extremities (including the buttocks), and converted to a score of 0 to 6. In each body region, the area is expressed as 0, 1 (1% to 9%), 2 (10% to 29%), 3 (30% to 49%), 4 (50% to 69%), 5 (70% to 89%), or 6 (90% to 100%). The EASI score ranges from 0-72 points with an MCID of 6.6 points. Published score bands: clear (0), almost clear (0.1-1.0), mild AD (1.1-7.0), moderate AD (7.1-21.0), severe AD (21.1-50.0), very severe AD (50.1-72.0).
Time frame: Up to Approximately 24 Months
Time-Weighted vIGA-AD Score
vIGA-AD is a validated assessment instrument used in clinical studies to rate the severity of AD globally. A 5-point scale is used to measure the severity of disease at the time of the investigator's evaluation of the participant ranging from 0 - Clear (no inflammatory signs of atopic dermatitis (no erythema, no induration/papulation, no lichenification, no oozing/crusting). Post-inflammatory hyperpigmentation and/or hypopigmentation may be present.) to 4 - Severe (marked erythema (deep or bright red), marked induration/papulation, and/or marked lichenification.
Time frame: Up to Approximately 24 Months
Time-Weighted WP-NRS Score
WP-NRS is a validated single self-reported item designed to measure peak pruritus, or 'worst' itch, over the previous 24 hours with a higher score denoting worse itch.
Time frame: Up to Approximately 24 Months
Time-Weighted DLQI Score
DLQI is a 10-item, validated questionnaire used in clinical practice and clinical trials to assess the impact of AD disease symptoms and treatment on health-related quality of life (HRQoL). It consists of 10 questions assessing impact of skin diseases on different aspects of subject's QoL over the prior week. Each item is scored on a 4-point scale: 0 = not at all/not relevant; 1 = a little; 2 = a lot; and 3 = very much. Item scores (0 to 3) are added to provide a total score range of 0 to 30. Higher scores indicate greater impairment of HRQoL.
Time frame: Up to Approximately 24 Months
Percentage of Participants Achieving Treatment Target EASI <8
The EASI is a validated measure used in clinical practice and clinical trials to assess the severity and extent of AD. Four AD disease characteristics (erythema, thickness \[induration, papulation, edema\], scratching \[excoriation\], and lichenification) are each assessed for severity by the investigator on a scale of "0" (absent) through "3" (severe). In addition, the area of AD involvement is assessed as a percentage by body area of head, trunk (including the genital area), upper extremities, and lower extremities (including the buttocks), and converted to a score of 0 to 6. In each body region, the area is expressed as 0, 1 (1% to 9%), 2 (10% to 29%), 3 (30% to 49%), 4 (50% to 69%), 5 (70% to 89%), or 6 (90% to 100%). The EASI score ranges from 0-72 points with an MCID of 6.6 points. Published score bands: clear (0), almost clear (0.1-1.0), mild AD (1.1-7.0), moderate AD (7.1-21.0), severe AD (21.1-50.0), very severe AD (50.1-72.0).
Time frame: Up to Approximately 24 Months
Percentage of Participants Achieving Treatment Target DLQI <=5
DLQI is a 10-item, validated questionnaire used in clinical practice and clinical trials to assess the impact of AD disease symptoms and treatment on health-related quality of life (HRQoL). It consists of 10 questions assessing impact of skin diseases on different aspects of subject's QoL over the prior week. Each item is scored on a 4-point scale: 0 = not at all/not relevant; 1 = a little; 2 = a lot; and 3 = very much. Item scores (0 to 3) are added to provide a total score range of 0 to 30. Higher scores indicate greater impairment of HRQoL.
Time frame: Up to Approximately 24 Months
Percentage of Participants Achieving Treatment Target WP-NRS <=4
WP-NRS is a validated single self-reported item designed to measure peak pruritus, or 'worst' itch, over the previous 24 hours with a higher score denoting worse itch.
Time frame: Up to Approximately 24 Months
Percentage of Participants Achieving Combined Treatment Targets of EASI <8, DLQI <=5, and WP-NRS <=4
EASI is a validated measure used to assess the severity and extent of AD. Four AD disease characteristics (erythema, thickness \[induration, papulation, edema\], scratching \[excoriation\], and lichenification) are each assessed for severity by the investigator on a scale of "0" (absent) through "3" (severe). DLQI is a 10-item, validated questionnaire to assess the impact of AD disease symptoms and treatment on HRQoL. It consists of 10 questions assessing impact of skin diseases on different aspects of subject's QoL over the prior week. Each item is scored on a 4-point scale: 0 = not at all/not relevant; 1 = a little; 2 = a lot; and 3 = very much. Item scores (0 to 3) are added to provide a total score range of 0 to 30. Higher scores indicate greater impairment of HRQoL. WP-NRS is a validated single self-reported item designed to measure peak pruritus, or 'worst' itch, over the previous 24 hours.
Time frame: Up to Approximately 24 Months
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