A 52-Week Study of Ritlecitinib Oral Capsules in Adults and Adolescents With Nonsegmental Vitiligo (Active and Stable) Tranquillo
Public ClinicalTrials.gov record NCT05583526. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.
Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.
Official title
A PHASE 3 RANDOMIZED, DOUBLE-BLIND, 52-WEEK PLACEBO-CONTROLLED, MULTI-CENTER STUDY INVESTIGATING THE EFFICACY, SAFETY, AND TOLERABILITY OF RITLECITINIB IN ADULT AND ADOLESCENT PARTICIPANTS WITH NON SEGMENTAL VITILIGO
Study identification
- NCT ID
- NCT05583526
- Recruitment status
- Completed
- Study type
- Interventional
- Phase
- Phase 3
- Lead sponsor
- Pfizer
- Industry
- Enrollment
- 607 participants
Conditions and interventions
Interventions
- Placebo Drug
- Ritlecitinib Drug
Drug
Eligibility (public fields only)
- Age range
- 12 Years and older
- Sex
- All
- Healthy volunteers
- Healthy volunteers not accepted
This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.
Study timeline
- Start date
- Nov 30, 2022
- Primary completion
- Feb 4, 2026
- Completion
- Feb 4, 2026
- Last update posted
- Feb 26, 2026
2022 – 2026
United States locations
- U.S. sites
- 46
- U.S. states
- 17
- U.S. cities
- 34
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| University of Alabama at Birmingham | Birmingham | Alabama | 35233 | — |
| University of Alabama at Birmingham Faculty Office Towers (Regulatory | Birmingham | Alabama | 35294 | — |
| California Dermatology & Clinical Research Institute | Encinitas | California | 92024 | — |
| Marvel Clinical Research | Huntington Beach | California | 92647 | — |
| Wallace Medical Group, Inc | Los Angeles | California | 90056 | — |
| Audiology | Washington D.C. | District of Columbia | 20007 | — |
| MedStar Washington Hospital Center | Washington D.C. | District of Columbia | 20010 | — |
| Center for Dermatology and Dermatologic Surgery | Washington D.C. | District of Columbia | 20037 | — |
| Encore Medical Research of Boynton Beach | Boynton Beach | Florida | 33436 | — |
| Skin Care Research | Hollywood | Florida | 33021 | — |
| Clever Medical Research | Miami | Florida | 33126 | — |
| Ziaderm Research LLC | North Miami Beach | Florida | 33162 | — |
| Olympian Clinical Research | St. Petersburg | Florida | 33709 | — |
| ForCare Clinical Research | Tampa | Florida | 33613 | — |
| Advanced Medical Research, PC. | Sandy Springs | Georgia | 30328 | — |
| Dawes Fretzin Clinical Research Group, LLC | Indianapolis | Indiana | 46250 | — |
| Velocity Clinical Research at The Dermatology Clinic, Baton Rouge | Baton Rouge | Louisiana | 70808 | — |
| DelRicht Research | Baton Rouge | Louisiana | 70809 | — |
| The NeuroMedical Center (XRay) | Baton Rouge | Louisiana | 70810 | — |
| DelRicht Research | New Orleans | Louisiana | 70115 | — |
| Prairieville Family Hospital (XRay) | Prairieville | Louisiana | 70769 | — |
| Visage Dermatology and Aesthetic Center | Bowie | Maryland | 20716 | — |
| Lawrence J Green, MD LLC | Rockville | Maryland | 20850 | — |
| Massachusetts General Hospital | Boston | Massachusetts | 02114 | — |
| University of Michigan | Ann Arbor | Michigan | 48109 | — |
| Hamzavi Dermatology - Canton | Canton | Michigan | 48187 | — |
| Skin Specialists, PC | Omaha | Nebraska | 68144 | — |
| University of New Mexico Health Sciences Center | Albuquerque | New Mexico | 87102 | — |
| SUNY Downstate Health Sciences University | Brooklyn | New York | 11203 | — |
| Icahn School of Medicine at Mount Sinai | New York | New York | 10029 | — |
| University of North Carolina Medical Center | Chapel Hill | North Carolina | 27516 | — |
| Clinical & Translational Research Center (CTRC) | Chapel Hill | North Carolina | 27599 | — |
| Accellacare - Wilmington | Wilmington | North Carolina | 28411 | — |
| Accellacare | Wilmington | North Carolina | 28411 | — |
| PMG Research of Wilmington, LLC | Wilmington | North Carolina | 28411 | — |
| University Hospitals Cleveland Medical Center | Cleveland | Ohio | 44106 | — |
| Remington Davis Clinical Research | Columbus | Ohio | 43215 | — |
| Remington-Davis, Inc | Columbus | Ohio | 43215 | — |
| Medical University of South Carolina | Charleston | South Carolina | 29425 | — |
| Bellaire Dermatology Associates | Bellaire | Texas | 77401 | — |
| Modern Research Associates, PLLC | Dallas | Texas | 75231 | — |
| Alpesh D. Desai, DO PLLC - Research | Houston | Texas | 77008 | — |
| Austin Institute for Clinical Research | Houston | Texas | 77056 | — |
| Progressive Clinical Research | San Antonio | Texas | 78213 | — |
| Texas Dermatology and Laser Specialists | San Antonio | Texas | 78218 | — |
| Dermatology Clinical Research Center of San Antonio | San Antonio | Texas | 78229 | — |
Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.
Non-U.S. locations
This page focuses on the U.S. directory. The official record also lists 69 non-U.S. sites.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT05583526, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
- What this page does not do
- No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
- Where the data comes from
- Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
- Last refresh
- Last update posted Feb 26, 2026 · Synced May 19, 2026
Related: full search, browse by condition, browse by drug or therapy, browse by sponsor, browse by U.S. city.
Open the official record
The complete protocol, eligibility criteria, and contact information for NCT05583526 live on ClinicalTrials.gov.