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Study details
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A 16-Week Study to Learn About Ritlecitinib for Hidradenitis Suppurativa

Pfizer
NCT IDNCT07228390ClinicalTrials.gov data as of Apr 2026
Phase

Phase 2

Target enrollment

240

Study length

about 1.4 years

Ages

18–75

Locations

4 sites in CA, IN, MI +1

What this study is about

This trial is testing a treatment called Ritlecitinib in adults with hidradenitis suppurativa (HS), a condition causing painful red skin lumps. Participants will be randomly assigned to receive either Ritlecitinib or a placebo pill, taking it daily at home for about 24 weeks. It involves regular clinic visits and symptom tracking via an eDiary.

Simplified from trial records by PatientMatch.

What you may be asked to do

  • 1.Take Placebo
  • 2.Take Ritlecitinib

Participation Burden

What's physically and logistically required of participants.

Logistics & Travel
In-person visits

Requires travel to a study site

Physical Intervention
Oral

How treatment is administered

Treatment Assignment
Randomized & Blinded

You may get a placebo/standard care, and you won't know which.

Extracted study details

Pulled from the trial record to show what is being tested and what the study is measuring.

Drug classes

ritlecitinib

Drug routes

oral (Oral Capsule)

Endpoints

Secondary: Absolute score and CFB in Hidradenitis Suppurativa Quality of Life (HiSQOL), CFB in Hidradenitis Suppurativa Symptom Daily Diary (HSSDD), CFB in skin pain NRS, at worst and on average, respectively, Incidence of treatment emergent adverse events (TEAE), adverse events (AE) and serious adverse events (SAE) leading to discontinuation, Percent CFB in skin pain NRS, at worst and on average, respectively, in participants with baseline skin pain NRS ≥3, Percent change from Baseline(CFB) in total AN count, Skin pain NRS30 (numeric rating scale) response, at worst and on average, respectively among participants with baseline skin pain NRS ≥3, Skin pain NRS50 response, at worst and on average, respectively among participants with baseline skin pain NRS ≥3.