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B7981041: A PHASE 3 RANDOMIZED WITHDRAWAL AND DOSE-UP TITRATION, MULTICENTER EXTENSION STUDY INVESTIGATING THE SAFETY, EFFICACY, AND TOLERABILITY OF RITLECITINIB IN ADULT AND ADOLESCENT PARTICIPANTS WITH NONSEGMENTAL VITILIGO

Status
Recruiting
Phases
Phase 3
Study type
Interventional
Source
EU CTIS
Registry ID
CTIS2023-505804-42-00
Acronym
B7981041
Enrollment
137
Registered
2024-04-29
Start date
2024-07-10
Completion date
Unknown
Last updated
2025-12-22

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

NON SEGMENTAL VITILIGO

Brief summary

Incidence of TEAEs, SAEs, and AEs leading to discontinuation, Incidence of clinically significant laboratory abnormalities.

Detailed description

Response based on T-VASI75 (defined as at least 75% improvement in T-VASI from Study B7981040 BL) at all time points in the SoA, Response based on F-VASI75 (defined as at least 75% improvement in F-VASI from Study B7981040 BL) at all time points in the SoA, Response based on T-VASI50 (defined as at least 50% improvement in T-VASI from Study B7981040 BL) at all time points in the SoA, Percent Change from Study B7981040 BL in F-VASI at all time points in the SoA, Percent Change from Study B7981040 BL in T-VASI at all time points in the SoA, Response based on stabilization of disease at all time points after Week 8, defined as: <15-point increase in T-VASI from Study B7981040 Baseline (based on twice the magnitude of the smallest detectable change of 7.1 points in T-VASI) [38]; AND meeting all other criteria for stability, Response based on F-VASI50 (defined as at least 50% improvement in F-VASI from Study B7981040 BL) at all time points in the SoA, Response based on F-VASI90 (defined as at least 90% improvement in F-VASI from Study B7981040 BL) at all time points in the SoA, Response based on F-VASI100 (defined as 100% improvement in F-VASI from Study B7981040 BL) at all time points in the SoA, Response based on T-VASI90 (defined as at least 90% improvement in T-VASI from Study B7981040 BL) at all time points in the SoA, Response based on T-VASI100 (defined as 100% improvement in T-VASI from Study B7981040 BL) at all time points in the SoA, Response based on improvement in Patient Global Impression of Severity – Face (PGISF) at all time points in SoA, Response based on improvement in PGIS-V at all time points in the SoA, Response based on scoring at least “moderately better” on PGIC-F at all time points in the SoA, Response based on scoring at least “moderately better” on PGIC-V at all time points in the SoA

Interventions

DRUGCapsule to match PF-06651600 (Ritlecitinib) 50 mg
DRUGCapsule to match pf-06651600 (ritlecitinib) 100 mg
DRUGDEXAMETHASONE

Sponsors

Pfizer Inc.
Lead SponsorINDUSTRY

Eligibility

Sex/Gender
All
Age
0 Years to No maximum

Design outcomes

Primary

MeasureTime frame
Incidence of TEAEs, SAEs, and AEs leading to discontinuation, Incidence of clinically significant laboratory abnormalities.

Secondary

MeasureTime frame
Response based on T-VASI75 (defined as at least 75% improvement in T-VASI from Study B7981040 BL) at all time points in the SoA, Response based on F-VASI75 (defined as at least 75% improvement in F-VASI from Study B7981040 BL) at all time points in the SoA, Response based on T-VASI50 (defined as at least 50% improvement in T-VASI from Study B7981040 BL) at all time points in the SoA, Percent Change from Study B7981040 BL in F-VASI at all time points in the SoA, Percent Change from Study B7981040 BL in T-VASI at all time points in the SoA, Response based on stabilization of disease at all time points after Week 8, defined as: <15-point increase in T-VASI from Study B7981040 Baseline (based on twice the magnitude of the smallest detectable change of 7.1 points in T-VASI) [38]; AND meeting all other criteria for stability, Response based on F-VASI50 (defined as at least 50% improvement in F-VASI from Study B7981040 BL) at all time points in the SoA, Response based on F-VASI90 (defined as

Countries

Bulgaria, Germany, Italy, Poland, Spain

Outcome results

None listed

Source: EU CTIS · Data processed: Feb 4, 2026