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Compound · clinical trials

Litfulo clinical trials

Source: ClinicalTrials.gov, U.S. National Library of Medicine — the 5 trials in our Japan, South Korea, USA, China, Spain, Poland, Canada, Taiwan, UK, Czechia, Germany and France registers that name Litfulo as an intervention. Synced 26 Sep 2026
5Current trials
4Recruiting now
2Lead sponsors
12Country registers
Maintained by Sreepriya Prasannan
MSc Digital Transformation of Life Sciences (Innopharma Education / Griffith College); MSc & BSc Botany HSE Spark Ignite 2026 โ€” Top 14 finalist
Compiled from ClinicalTrials.gov registry records ยท Last verified ยท Editorial standards
At a glance

Litfulo is named as an intervention in 5 current clinical trials in our Japan, South Korea, USA, China, Spain, Poland, Canada, Taiwan, UK, Czechia, Germany and France registers. 4 are recruiting patients now. The most common phase is Phase 2. The sponsor with the most trials is Pfizer (4). The most-studied condition is Alopecia Areata.

Trials by status

  • Recruiting480%
  • Active, closed120%

Trials by phase

  • Phase 2240%
  • Observational240%
  • Phase 3120%
01

Clinical trials of Litfulo

5 trials
StudyPhaseStatusLead sponsorRegisters
A Study of 2 Doses of Ritlecitinib in People 12 Years of Age and Older With Alopecia Areata
NCT06873945 · ClinicalTrials.gov ↗ · Alopecia Areata
Phase 3 Recruiting Pfizer UK, USA, China, Spain, Poland, Czechia, Canada, Japan, South Korea, Taiwan
Combination Approach With Ritlecitinib and nbUVB Compared to Ritlecitinib Alone for Treating Vitiligo
NCT07152626 · ClinicalTrials.gov ↗ · Vitiligo
Phase 2 Recruiting Centre Hospitalier Universitaire de Nice France
A Study to Learn About Ritlecitinib for the Potential Treatment of Chronic Spontaneous Urticaria in Adults.
NCT07219615 · ClinicalTrials.gov ↗ · Chronic Spontaneous Urticaria
Phase 2 Recruiting Pfizer USA, China, Germany, Spain, Poland, Canada, Japan, South Korea, Taiwan
A Study to Learn About Litfulo Capsule in People With Severe Alopecia Areata in Routine Clinical Practice.
NCT07152119 · ClinicalTrials.gov ↗ · Severe Alopecia Areata
Observational Recruiting Pfizer South Korea
Litfulo Capsules Special Investigation
NCT06279221 · ClinicalTrials.gov ↗ · Alopecia Areata
Observational Active, closed Pfizer Japan

Registers list studies that are recruiting, about to open, active but closed to enrolment, or enrolling by invitation. The UK and USA registers cover industry-sponsored studies only. Trial titles and statuses are copied from the registry as published.

02

Conditions studied with Litfulo

4 conditions
03

Sponsors

lead sponsor per trial
Lead sponsorTrials
Pfizer4
Centre Hospitalier Universitaire de Nice1
04

By country register

RegisterTrialsRecruiting
Clinical trials in Japan32
Clinical trials in South Korea33
Clinical trials in USA22
Clinical trials in China22
Clinical trials in Spain22
Clinical trials in Poland22
Clinical trials in Canada22
Clinical trials in Taiwan22
Clinical trials in UK11
Clinical trials in Czechia11
Clinical trials in Germany11
Clinical trials in France11

A trial with sites in more than one country appears in each of those registers.

05

Related compounds

06

Questions about Litfulo trials

How many clinical trials are testing Litfulo?

5 current trials in our Japan, South Korea, USA, China, Spain, Poland, Canada, Taiwan, UK, Czechia, Germany and France registers name Litfulo as a drug or biological intervention, as of the registry sync on 26 September 2026. Completed and withdrawn studies are not counted.

Are Litfulo trials recruiting patients?

Yes. 4 of the 5 trials are recruiting: 2 with sites in Japan, 3 with sites in South Korea, 2 with sites in USA, 2 with sites in China, 2 with sites in Spain, 2 with sites in Poland, 2 with sites in Canada, 2 with sites in Taiwan, 1 with sites in UK, 1 with sites in Czechia, 1 with sites in Germany and 1 with sites in France. Eligibility and site contacts are on each trial's record. Only the study team can confirm whether a patient is eligible.

Who sponsors Litfulo clinical trials?

Pfizer (4) and Centre Hospitalier Universitaire de Nice (1). The number in brackets is how many trials each organisation leads.

Where does this information come from?

Every trial, status, phase and sponsor on this page is copied from public ClinicalTrials.gov records by a daily sync. Nothing here describes how Litfulo works or whether it is effective, and it is not medical advice.

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How this page is built

Everything on this page is copied from public ClinicalTrials.gov registry records โ€” it is not written from memory, and nothing here describes how Litfulo works or whether it is effective. Each trial links to its own record so you can check it yourself.

This page is built automatically: a daily sync job reads the registry records behind our country trial registers, collects every trial that lists Litfulo (or a registered synonym) as a drug or biological intervention, and tabulates the registry fields directly. Placebos and generic comparators are excluded. There is no AI drafting and no per-compound editorial pass, and the page has not been clinically reviewed. The “last verified” date above is the timestamp of that sync, not a review date. Our general editorial approach is described in our editorial standards and corrections policy. The ClinicalTrials.gov data on this page was last retrieved on 26 Sep 2026.

Please verify before you rely on this. This page is general information for life-science and pharmaceutical professionals. It is not medical advice, and it has not been reviewed by a clinician โ€” our editorial team holds life-science qualifications, not clinical ones. It is not exhaustive and may not reflect the most recent label change. Always check the official prescribing information (US Prescribing Information or EU SmPC) and speak to your doctor or pharmacist before acting on anything here. Drugs in the same class are not automatically interchangeable, and approvals, brand names and indications differ between the US, the EU/Ireland (EMA/HPRA) and other regions. Spotted an error? Tell us โ€” we correct promptly and log it.