New study checks if popular hair loss drug works outside of clinical trials
NCT ID NCT07226531
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study looks at how well the drug ritlecitinib works for people with severe alopecia areata (a condition causing patchy or total hair loss) in real-world settings, not just in controlled trials. Researchers will review medical records of about 300 patients aged 12 and older who started ritlecitinib between July 2023 and February 2025. The goal is to understand patient backgrounds, treatment patterns, and actual hair regrowth outcomes.
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This is a summary of the original study . Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
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Locations
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Pfizer
New York, New York, 10001, United States