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Pfizer’s LITFULO Significantly Improved Facial and Total Body Repigmentation in Patients with Nonsegmental Vitiligo

$PFEPress releaseOct 2, 2026, 11:15 AM ETRead the release

Pfizer presented Phase 3 TRANQUILLO results showing LITFULO significantly improved facial and total body repigmentation in nonsegmental vitiligo at Week 52 versus placebo, with both co-primary endpoints met. F-VASI75 was achieved by 21.86% (100 mg) and 12.47% (50 mg) of patients versus roughly 2.4% on placebo, and the safety profile was consistent with the drug's established alopecia areata label with no new safety signals.

Key figures

Drug Name
LITFULO (ritlecitinib)
Phase Of Trial
Phase 3
Sites
271
Fvasi75 50mg
12.47%
Tvasi50 50mg
8.98%
Endpoint week
52
Fvasi75 100mg
21.86%
Tvasi50 100mg
13.02%
Patients enrolled
2174
Fvasi75 placebo study1
2.48%
Fvasi75 placebo study2
2.40%

AI analysis

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    PFE: Pfizer’s LITFULO Significantly Improved Facial and Total Body Repigmentation in Patients with Nonsegmental Vitiligo — AI Analysis | Signal8