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Pfizer Announces Positive Topline Phase 3 Results for LITFULO in Patients with Nonsegmental Vitiligo

$PFEPress releaseJul 30, 2026, 6:45 AM ETRead the release

Pfizer reported positive topline results from the TRANQUILLO Phase 3 program for LITFULO in nonsegmental vitiligo, with both pivotal studies meeting their co-primary endpoints for facial and total body repigmentation. The trials, which enrolled 2,174 patients across 271 sites, demonstrated significant improvement versus placebo at Week 52 with a safety profile consistent with the drug's established use in alopecia areata.

Key figures

Drug Name
LITFULO (ritlecitinib)
Phase Of Trial
Phase 3
Sites
271
Week 52
Yes
Doses mg
[50,100]
Patient count
2174
Primary endpoints met
["F-VASI75","T-VASI50"]

AI analysis

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