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NCT07226531Completed

Utilization and Effectiveness of Ritlecitinib in a Real-World Population With Severe AA in the US

RETROSPECTIVE COHORT STUDY TO ASSESS UTILIZATION AND EFFECTIVENESS OF RITLECITINIB IN A REAL-WORLD POPULATION WITH SEVERE ALOPECIA AREATA IN THE UNITED STATES

In the register

The register attaches this trial to Ritlecitinib (Litfulo) (Pfizer), currently at “Approved” in the register. The programme's phase is checked by hand; the trial's is declared by its sponsor.

What the registry records

Status
Completed
Declared phase
No phase declared
Sponsor
Pfizer
Participants (registry)
300
Start
December 2025
Primary completion
March 2026
Study completion
March 2026
Last registry update
August 2026
Countries
United States

Conditions studied: Alopecia Areata

Interventions: Ritlecitinib

Full record on ClinicalTrials.gov ↗

Other trials of Ritlecitinib (Litfulo)

  • NCT05522556Available (expanded access)

    Pre-approval Single-patient Expanded Access for Ritlecitinib (PF-06651600)

  • NCT07821216Active, not recruiting

    Real-World Effectiveness of Ritlecitinib in Alopecia Areata Patients in the US: A Retrospective Analysis Using EHR and Claims Data

  • NCT07733765Phase 3Recruiting

    A Study in Young People and Adults to Learn About the Medicine Ritlecitinib for Treatment of Patchy Hair Loss, Known by the Medical Term as Moderate Alopecia Areata

  • NCT07029828Phase 3Recruiting

    A Long-Term Study to Learn About The Study Medicine Called Ritlecitinib in Children With Severe Alopecia Areata.

  • NCT07152119Recruiting

    A Study to Learn About Litfulo Capsule in People With Severe Alopecia Areata in Routine Clinical Practice.

  • NCT07029711Phase 3Active, not recruiting

    A Study to Learn About Medicine Called Ritlecitinib in Children Aged Between 6 to 12 Years With Severe Alopecia Areata

  • NCT06873945Phase 3Recruiting

    A Study of 2 Doses of Ritlecitinib in People 12 Years of Age and Older With Alopecia Areata

  • NCT07200128Completed

    A Study to Learn About the Medicine Called Ritlecitinib in Adults With Severe Alopecia Areata in Real-world Settings

  • NCT06531109Active, not recruiting

    Characterization And Clinical Outcomes of AA Patients Treated With Ritlecitinib

  • NCT06279221Active, not recruiting

    Litfulo Capsules Special Investigation

  • NCT05650333Phase 1Completed

    A Study to Learn About the Study Medicine (Called Ritlecitinib) For the Potential Treatment of Severe Alopecia Areata (AA) In Children 6 To Less Than 12 Years of Age

  • NCT05549934Phase 2Completed

    Ritlecitinib for Cicatricial Alopecia

Listing a trial is not a recommendation to join one. Eligibility, risks and costs vary enormously — discuss any trial with your own doctor first. A registration proves a sponsor declared a study, not that it is progressing or will succeed. We're not doctors.