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Study identifier: NCT05263206 Synced from ClinicalTrials.gov · July 29, 2026
● Recruiting

Efficacy and Safety of Subcutaneous Dupilumab for the Treatment of Adult Participants With Chronic Pruritus of Unknown Origin (CPUO) (LIBERTY-CPUO-CHIC)

Condition: Pruritus  ·  Sponsor: Sanofi

PhasePhase 3
Planned participants284
Who can joinAll sexes, 18 Years to 90 Years
Healthy volunteersNo

About this study

The main objective of the study is to assess efficacy and safety of dupilumab given up to 24 weeks in adults with CPUO. This is a master protocol which includes 2 parallel-treatment, double-blind, 2- arm Phase 3 staggered studies of similar design (Study A and Study B) in male and female participants aged 18 to 90 years with CPUO. Study B design was to be adapted based on the results of Study A. For both Study A and B, after an up-to-4-week screening period, participants with severe pruritus (worst-itch numerical rating scale \[WI-NRS ≥7) will enter a 4-week run-in period and will be treated with a non-sedative antihistamine and an emollient (moisturizer). Participants with severe pruritus (WI-NRS ≥7) at baseline will be randomized (1:1) to be treated for 24 weeks with either dupilumab or matching placebo in addition to their non-sedative antihistamine and emollient regimen. The treatment period for both study A and B will be followed by a 12-week follow-up period.

This description comes directly from the study's public registry record.

Talk to the study team

Trial Transparency email recommended (Toll free number for US & Canada)  ·  800-633-1610  ·  Contact-US@sanofi.com

Always discuss trial participation with your own doctor first.

Locations (93)

Kern Allergy and Medical Research- Site Number : 8400016Bakersfield, California, United StatesCompleted
Modena Allergy + Asthma- Site Number : 8400038La Jolla, California, United StatesRecruiting
FoxHall Dermatology- Site Number : 8400042Washington D.C., District of Columbia, United StatesRecruiting
Palm Harbor Dermatology- Site Number : 8400024Belleair, Florida, United StatesRecruiting
University of Miami Hospital- Site Number : 8400011Miami, Florida, United StatesRecruiting
Skin Care Physicians of Georgia - Macon- Site Number : 8400030Macon, Georgia, United StatesRecruiting
Aeroallergy Research Laboratory- Site Number : 8400036Savannah, Georgia, United StatesRecruiting
Dawes Fretzin Clinical Research- Site Number : 8400007Indianapolis, Indiana, United StatesRecruiting
Dermatology Specialists Research (DS Research) - Kentucky- Site Number : 8400031Louisville, Kentucky, United StatesRecruiting
Tulane University School of Medicine- Site Number : 8400045New Orleans, Louisiana, United StatesRecruiting
Johns Hopkins Hospital- Site Number : 8400020Baltimore, Maryland, United StatesRecruiting
The Asthma and Allergy Center- Site Number : 8400014Bellevue, Nebraska, United StatesRecruiting

+ 81 more locations — full list on the registry record.

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Source record: clinicaltrials.gov/study/NCT05263206