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New drug litfulo tracked in Real-World hair loss study

NCT ID NCT06279221

Disease control Sponsor: Pfizer Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now
This trial is taking on new participants right now.
Not yet recruiting
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing This study
Running, but no longer taking on new participants.
Completed
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Jun 27, 2026 · Last updated Aug 28, 2026 · Updated 2 times

Summary

This study monitors the long-term safety and effectiveness of the drug Litfulo (ritlecitinib) in 487 patients with alopecia areata, a condition causing patchy hair loss. Researchers will track side effects and measure hair regrowth using the SALT score, aiming for a score of 20 or less (meaning minimal scalp hair loss). The study follows patients in real-world settings, not a controlled lab.

This is an AI summary of the original study and may miss details. Read our disclaimer.

Study facts

What this study's own registry entry says, in plain language.

Participants

664 people

The number who actually took part.

Started

Mar 2024

Expected to finish

Jan 2030

An estimate. End dates often move.

Lead sponsor

A company

The lead sponsor is a pharmaceutical, biotech, or medical-device company.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Who is studied

Patients with alopecia areata who received LITFULO

Ages

0 years and older

Sex

Anyone

Healthy volunteers

Not accepted

This study is not open to healthy volunteers. The entry requirements below say who it is open to.

Show the full entry requirements

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: Patients must meet all of the following inclusion criteria to be eligible for inclusion in the study: * Patients with alopecia areata who start receiving this drug for the first time after the contract date of this study * Patients who have not participated in a clinical trial (clinical study) of this drug Exclusion Criteria: Patients meeting any of the following criteria will not be included in the study: * Patients previously enrolled in this study * Patients with a history of treatment with this drug (including investigational product)

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Conditions

The condition(s) this trial relates to.

alopecia areata

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Alopecia areata

Contacts and locations

Locations

  • Pfizer

    Tokyo, Japan

More trials for these conditions

Other studies related to the condition(s) this trial covers.