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Trial · NCT03858634

Registered outcomes21

Each outcome the trial registered, primary first, in ClinicalTrials.gov's words.

ListOutcomeTime frameDescription
PrimaryChange From Baseline in Weekly Average WI-NRS at Week 8Baseline, Week 8
WI-NRS score: Participants were asked daily to assign a numerical score to the intensity of their most severe (worst) pruritus in the past 24 hours using a scale from 0 to 10, with 0 indicating no pruritus and 10 indicating the worst imaginable pruritus. Daily scores were averaged for a weekly score. A negative change from Baseline indicates improvement.
PrimaryPercent Change From Baseline in Weekly Average WI-NRS at Week 8Baseline, Week 8
WI-NRS score: Participants were asked daily to assign a numerical score to the intensity of their most severe (worst) pruritus in the past 24 hours using a scale from 0 to 10, with 0 indicating no pruritus and 10 indicating the worst imaginable pruritus. Daily scores were averaged for a weekly score. A negative change from Baseline indicates improvement.
SecondaryChange From Baseline in Weekly Average WI-NRS Over TimeBaseline, Weeks 1-18
WI-NRS score: Participants were asked daily to assign a numerical score to the intensity of their most severe (worst) pruritus in the past 24 hours using a scale from 0 to 10, with 0 indicating no pruritus and 10 indicating the worst imaginable pruritus. Daily scores were averaged for a weekly score. A negative change from Baseline indicates improvement.
SecondaryPercent Change From Baseline in Weekly Average WI-NRS Over TimeBaseline, Weeks 1-18
WI-NRS score: Participants were asked daily to assign a numerical score to the intensity of their most severe (worst) pruritus in the past 24 hours using a scale from 0 to 10, with 0 indicating no pruritus and 10 indicating the worst imaginable pruritus. Daily scores were averaged for a weekly score. A negative change from Baseline indicates improvement.
SecondaryChange From Baseline in Pruritus Visual Analog Scale (VAS) Over TimeBaseline, Weeks 1-8, 10, 12, 14, 16, 18
Participants were asked to place a line perpendicular to the VAS line at the point that represents the intensity of their average pruritus experienced over the previous 3 days using a scale from 0 to 10, with 0 indicating no pruritus and 10 indicating the worst imaginable pruritus.
SecondaryPercent Change From Baseline in Pruritus VAS Over TimeBaseline, Weeks 1-8, 10, 12, 14, 16, 18
Participants were asked to place a line perpendicular to the VAS line at the point that represents the intensity of their average pruritus experienced over the previous 3 days using a scale from 0 to 10, with 0 indicating no pruritus and 10 indicating the worst imaginable pruritus.
SecondaryChange From Baseline in 5-D Pruritus Total Score Over TimeBaseline, Weeks 2, 4, 6, 8, 10, 12, 14, 16, 18
This tool evaluates pruritus in 5 domains: duration, degree, direction, disability and distribution. Duration, degree and direction each consist of 1 item. The disability domain contains 4 items and the distribution domain includes 16 items. The first 4 domains are measured on a 5-point Likert scale. The scores from each domain are added together to obtain a total 5-D score ranging from 5 (no pruritus) and 25 (most severe pruritus).
SecondaryPercent Change From Baseline in 5-D Pruritus Total Score Over TimeBaseline, Weeks 2, 4, 6, 8, 10, 12, 14, 16, 18
This tool evaluates pruritus in 5 domains: duration, degree, direction, disability and distribution. Duration, degree and direction each consist of 1 item. The disability domain contains 4 items and the distribution domain includes 16 items. The first 4 domains are measured on a 5-point Likert scale. The scores from each domain are added together to obtain a total 5-D score ranging from 5 (no pruritus) and 25 (most severe pruritus).
SecondaryPercentage of Participants Achieving ≥4-Point Reduction From Baseline in Weekly Average WI-NRS Over TimeBaseline, Weeks 1-18
WI-NRS score: Participants were asked daily to assign a numerical score to the intensity of their most severe (worst) pruritus in the past 24 hours using a scale from 0 to 10, with 0 indicating no pruritus and 10 indicating the worst imaginable pruritus. Daily scores were averaged for a weekly score. A negative change from Baseline indicates improvement.
SecondaryChange From Baseline in Weekly Average Itch Severity Score: CIU Cohort OnlyBaseline, Weeks 1-18
Participants were asked daily to self-assess the intensity of their pruritus on a Weekly Average Itch Severity Score, which is a Component of Urticaria Activity Score 7 (UAS7). The score for pruritis was graded from 0 (none) to 3 (intense), which was averaged over 7 consecutive days. The greater the severity of the disease the higher the score. Per protocol, the UAS7 tool was completed only by participants in the CIU Cohort.
SecondaryPercent Change From Baseline in Weekly Average Itch Severity Score: CIU Cohort OnlyBaseline, Weeks 1-18
Participants were asked daily to self-assess the intensity of their pruritus on a Weekly Average Itch Severity Score, which is a Component of Urticaria Activity Score 7 (UAS7). The score for pruritis was graded from 0 (none) to 3 (intense), which was averaged over 7 consecutive days. The greater the severity of the disease the higher the score. Per protocol, the UAS7 tool was completed only by participants in the CIU Cohort
SecondaryChange From Baseline in Sleep Loss VAS Over TimeBaseline, Weeks 1-8, 10, 12, 14, 16, 18
Participants were asked to place a line perpendicular to the VAS line at the point that represents the intensity of their average sleeplessness experienced over the previous 3 nights using a scale from 0 to 10, with 0 indicating no sleeplessness and 10 indicating the worst imaginable sleeplessness at every visit.
SecondaryPercent Change From Baseline in Sleep Loss VAS Over TimeBaseline, Weeks 1-8, 10, 12, 14, 16, 18
Participants were asked to place a line perpendicular to the VAS line at the point that represents the intensity of their average sleeplessness experienced over the previous 3 nights using a scale from 0 to 10, with 0 indicating no sleeplessness and 10 indicating the worst imaginable sleeplessness at every visit.
SecondaryChange From Baseline in Weekly Average of Difficulty Falling Asleep Numerical Rating Scale (NRS) Over TimeBaseline, Weeks 1-18
Participants were asked daily to assign a numerical score to the intensity of their difficulty falling asleep last night due to itch using a scale from 0 to 10, with 0 indicating not difficult at all and 10 indicating extremely difficult.
SecondaryPercent Change From Baseline in Weekly Average of Difficulty Falling Asleep NRS Over TimeBaseline, Weeks 1-18
Participants were asked daily to assign a numerical score to the intensity of their difficulty falling asleep last night due to itch using a scale from 0 to 10, with 0 indicating not difficult at all and 10 indicating extremely difficult.
SecondaryChange From Baseline in Weekly Average of Sleep Quality NRS Over TimeBaseline, Weeks 1-18
Participants were asked daily to assign a numerical score to the quality of their sleep in the previous night using a scale from 0 to 10, with 0 indicating best possible sleep and 10 indicating worst possible sleep.
SecondaryPercent Change From Baseline in Weekly Average of Sleep Quality NRS Over TimeBaseline, Weeks 1-18
Participants were asked daily to assign a numerical score to the quality of their sleep in the previous night using a scale from 0 to 10, with 0 indicating best possible sleep and 10 indicating worst possible sleep.
SecondaryChange From Baseline in Dermatology Life Quality Index (DLQI) Total Score Over TimeBaseline, Weeks 4, 8, 12, 16, 18
The DLQI is a 10-question questionnaire that considers symptoms and feelings, daily activities, leisure, school, personal relationships, and treatment. Each question, except question 7, is answered on a scale of 0 to 3 (0 for not at all, 1 for a little, 2 for a lot, and 3 for very much), taking into account the previous week. For question 7: participants were asked "Over the last week, has your skin prevented you from working or studying?" If answered yes, score=3; If no, a second question will be asked: "Over the last week how much has your skin been a problem at work or studying?" If further answered a lot, score=2; if a little, score=1; if not at all or not relevant, score=0. The DLQI total score is defined as the sum of all 10-question scores with minimum of 0 meaning no effect on quality of life and 30 meaning extremely large effect.
SecondaryPercent Change From Baseline in DLQI Total Score Over TimeBaseline, Weeks 4, 8, 12, 16, 18
The DLQI is a 10-question questionnaire that considers symptoms and feelings, daily activities, leisure, school, personal relationships, and treatment. Each question, except question 7, is answered on a scale of 0 to 3 (0 for not at all, 1 for a little, 2 for a lot, and 3 for very much), taking into account the previous week. For question 7: participants were asked "Over the last week, has your skin prevented you from working or studying?" If answered yes, score=3; If no, a second question will be asked: "Over the last week how much has your skin been a problem at work or studying?" If further answered a lot, score=2; if a little, score=1; if not at all or not relevant, score=0. The DLQI total score is defined as the sum of all 10-question scores with minimum of 0 meaning no effect on quality of life and 30 meaning extremely large effect.
SecondaryChange From Baseline in ItchyQoL Total Score Over TimeBaseline, Weeks 4, 8, 12, 16, 18
ItchyQoL focuses on impact of pruritus on daily activities and on the level of psychological stress. It contains 22 items. The frequency items are scored using a 5-point Likert scale ranging from "never" to "all the time". The bother items are scored from 1 (not bothered) to 5 (severely bothered). The recall period in ItchyQoL is the past week. The ItchyQoL total score is defined as the sum of all 22-items scores. Total scores can be classified as little (0-30), mild (31-50), moderate (51-80), and severe (81-110).

Source ClinicalTrials.govtrials-2026-11-12-0.5.0

Sources 3

  • ClinicalTrials.gov's posted results, through CTTI's AACTFreely available. Acknowledgement requested
  • ClinicalTrials.govNo license stated
  • NIH RePORTER's clinical studies and project filesPublic domain
Each source's terms
  • ClinicalTrials.gov's posted results, through CTTI's AACTClinicalTrials.gov data via Aggregate Analysis of ClinicalTrials.gov (AACT), CTTI. CTTI makes its materials freely available and requests acknowledgement. https://aact.ctti-clinicaltrials.org/documentation/299
  • ClinicalTrials.govnone stated
  • NIH RePORTER's clinical studies and project filesPublic domain (NIH RePORTER)

ClinicalTrials.gov's data carry an international copyright outside the United States: https://clinicaltrials.gov/about-site/terms-conditions.

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