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Ritlecitinib (PF-06651600) in Participants With Chronic Spontaneous Urticaria

NCT06795373 · Status: WITHDRAWN · Phase: PHASE2 · Type: INTERVENTIONAL

Last updated 2025-12-09

No results posted yet for this study

Summary

The purpose of this research study is to see if a drug called ritlecitinib is safe and effective for treating chronic spontaneous urticaria (CSU). CSU is hives and itching lasting over six weeks. Ritlecitinib is approved by the Food and Drug Administration (FDA) to treat another condition, but it is not approved for treating CSU. Participation is expected to last 20 weeks and include 7 clinic visits. This study will involve physical examinations, blood tests, looking at and taking pictures of participant's skin and hives, optional skin biopsies, and hearing tests. Eligible participants for this study will take ritlecitinib for 12 weeks and complete a daily diary about their skin and hives. The main risks of being in this study are side effects from ritlecitinib. Less than 1 in 10 people taking ritlecitinib experience diarrhea, acne, hives, rash, inflammation of hair follicles, dizziness, and increased blood levels of creatine phosphokinase (a muscle protein). Participants could also experience a rare but serious side effect, such as shingles, unusual infection, cancer, or blood clot. Benefits of participating in this study include a potential improvement in participant's condition and quality of life. Participating in this study may also help researchers develop new ways of helping future patients.

Conditions

Interventions

DRUG

Ritlecitinib

Once daily dose of 100mg of ritlecitinib taken orally for 12 weeks

Sponsors & Collaborators

  • Ahuva D Cices

    lead OTHER

Principal Investigators

  • Ahuva Cices, MD · Icahn School of Medicine at Mount Sinai

Study Design

Allocation
NA
Purpose
TREATMENT
Masking
NONE
Model
SINGLE_GROUP

Eligibility

Min Age
18 Years
Max Age
65 Years
Sex
ALL
Healthy Volunteers
No

Timeline & Regulatory

Start
2025-12-31
Primary Completion
2026-03-31
Completion
2026-03-31
FDA Drug
Yes

Countries

  • United States

Study Locations

More Related Trials

Entities

Diseases

Read the full study record

This page highlights key information. For complete eligibility criteria, study locations, investigator contacts, and the full protocol, visit the original record on ClinicalTrials.gov.

View NCT06795373 on ClinicalTrials.gov