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

Last updated: November 17, 2025
Sponsor: Pfizer
Overall Status: Active - Recruiting

Phase

N/A

Condition

Hair Loss

Alopecia

Treatment

Litfulo

Clinical Study ID

NCT07152119
B7981084
  • Ages > 12
  • All Genders

Study Summary

The purpose of this observation study is to learn about the safety and effects of the study medicine (called Litfulo) for the potential treatment of Severe Alopecia Areata.

Eligibility Criteria

Inclusion

Inclusion Criteria:

Patients with severe alopecia areata who have been determined to start treatment with Litfulo Capsule according to the approved indications of the medicinal product Treatment of severe alopecia areata in adults and adolescents 12 years or older Evidence of a personally signed and dated informed consent document indicating that the patient or their parent(s)/legal guardian, if applicable, have been informed of all pertinent aspects of the study

Study Design

Total Participants: 3000
Treatment Group(s): 1
Primary Treatment: Litfulo
Phase:
Study Start date:
August 27, 2025
Estimated Completion Date:
March 23, 2030

Study Description

To evaluate the safety of Litfulo Capsule after marketing, with regard to the following clauses in routine clinical practice.

  • Adverse Events (AEs)/ Adverse Drug Reactions (ADRs)

  • Unexpected Adverse Events (AEs)/ADRs that have not been reflected in the approved drug label

  • Serious Adverse Events (SAEs)/Serious Adverse Drug Reaction (SADRs)

  • Adverse Event of Special Interest(AESI)

    • Serious Infections, defined as any infection (viral, bacterial, and fungal) requiring parenteral antimicrobial therapy or hospitalization for treatment or meeting other criteria that require the infection to be classified as serious adverse event

    • Opportunistic infections and Herpes Zoster

    • Malignancy

Connect with a study center

  • Pfizer, Inc

    Seoul 1835848,
    South Korea

    Active - Recruiting

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