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B7981080 - A PHASE 3 RANDOMIZED, DOUBLE-BLIND, 52-WEEK PLACEBOCONTROLLED MULTI-CENTER STUDY WITH A DOUBLE-BLIND 52-WEEK EXTENSION PERIOD WITH RANDOMIZED DOSE UP/DOSE DOWN TITRATION INVESTIGATING THE EFFICACY, SAFETY, AND TOLERABILITY OF RITLECITINIB IN ADULT PARTICIPANTS WITH NONSEGMENTAL VITILIGO

Status
Active, not recruiting
Phases
Phase 3
Study type
Interventional
Source
EU CTIS
Registry ID
CTIS2022-502518-98-00
Acronym
B7981080
Enrollment
355
Registered
2024-03-25
Start date
2024-04-26
Completion date
Unknown
Last updated
2025-11-24

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

Conditions

nonsegmental vitiligo

Brief summary

Part Ia: Response based on F-VASI75 (defined as at least 75% improvement in Facial Vitiligo Area Scoring Index [F-VASI] from BL) at Week 52a, Part Ia: Incidence of treatment-emergent adverse events (TEAEs), serious adverse events (SAEs), and adverse events (AEs) leading to discontinuation, Part Ia: Incidence of clinically significant laboratory abnormalities, Part Ib: Incidence of TEAEs, SAEs, and AEs leading to discontinuation, Part Ib: Incidence of clinically significant laboratory abnormalities, Part II: Incidence of TEAEs, SAEs, and AEs leading to discontinuation, Part II: Incidence of clinically significant laboratory abnormalities., Part Ia: Response based on T-VASI50 at all time points in the SoA except for those included as primary and key secondary endpointa

Detailed description

Part Ia: Response based on T-VASI50 at Weeks 24, 36, and 52a, Part Ia: Response based on PGIC-F (defined as at least “moderately better” reported change in severity of vitiligo on the face from baseline [BL]) at Weeks 36 and 52a, Part Ia: Response based on PGIC-V (defined as at least “moderately better” reported change in severity of total body vitiligo from BL) at Weeks 36 and 52a, Part Ia: Response based on improvement in PGIS-Fb at Weeks 36 and 52a, Part Ia: Response based on improvement in PGIS-Vc at Weeks 36 and 52a, Part Ia: Response based on F-VASI75 at Weeks 24 and 36a, Part Ia: Response based on stabilization of disease at all time points after Week 8 in the Schedule of Activities (SoA), Part Ia: Response based on F-VASI75 at all time points in the SoA except for those included as primary and key secondary endpointsa, Part Ia: Response based on T-VASI75 at all time points in the SoA except for that included as a primary endpointa, Part Ia: Response based on sustained improvement in TVASI (defined as maintenance of ≥T-VASI50 from Week 36 to Week 52), Part Ia: Response based on sustained improvement in FVASI (defined as maintenance of ≥F-VASI75 from Week 36 to 52), Part Ia: Time to rescue medication use, Part Ia: Percent change from baseline (CFB) in F-VASI at all time points in the SoA, Part Ia: Percent CFB in T-VASI at all time points in the SoA, Part Ia: Response based on T-VASI90 (defined as at least 90% improvement in T-VASI from BL) at all time points in the SoA, Part Ia: Response based on T-VASI100 (defined as 100% improvement in T-VASI from BL) at all time points in the SoA, Part Ia: Response based on F-VASI50 (defined as at least 50% improvement in F-VASI from BL) at all time points in the SoA, Part Ia: Response based on F-VASI75 at all time points in the SoA unless included as primary or secondary endpoints, Part Ia: Response based on F-VASI90 (defined as at least 90% improvement in F-VASI from BL) at all time points in the SoAa, Part Ia: Response based on F-VASI100 (defined as 100% improvement in F-VASI from BL) at all time points in the SoA, Part Ia: Response based on improvement in PGIS-Fe at Week 36 unless included as key secondary endpoint, Part Ia: Response based on improvement in PGIS-Vf at Week 36 unless included as key secondary endpoint, Part Ia: Response based on PGIC-F (defined as at least “moderately better” reported change in facial vitiligo from BL) at Weeks 36 and 52 unless included as key secondary endpoint, Part Ia: Response based on PGIC-V (defined as at least “moderately better” reported change in total body vitiligo from BL) at Weeks 36 and 52 unless included as key secondary endpoint, Part Ia: CFB in Dermatology Life Quality Index (DLQI) at Week 52, Part Ia: CFB in the Hospital Anxiety and Depression Scale (HADS) depression subscale at Week 52, Part Ia: CFB in the HADS anxiety subscale at Week 52, Part Ia: Response based on a ‘normal’ subscale score indicative of an absence of depression at Week 52 (in participants with BL HADS subscale scores indicative of depression), Part Ia: Response based on a ‘normal’ subscale score indicative of an absence of anxiety at Week 52 (in participants with BL HADS subscale scores indicative of anxiety), Part Ia: Response based on T-VASI50 at all time points in the SoA except for those included as primary and key secondary endpointa, Part Ib: Response based on T-VASI75 (relative to BL) at all time points in the SoA, Part Ib: Response based on F-VASI75 (relative to BL) at all time points in the SoA, Part Ib: Response based on T-VASI50 (relative to BL) at all time points in the SoA, Part Ib: Response based on stabilization of disease at all time points after Week 60, Part Ib: Response based on F-VASI50 (relative to BL) at all time points in the SoA, Part Ib: Response based on F-VASI90 (relative to BL) at all time points in the SoA, Part Ib: Response based on T-VASI90 (relative to BL) at all time points in the SoA, Part Ib: Response based on T-VASI100 (relative to BL) at all time points in the SoA, Part Ib: Response based on improvement in PGIS-Fc at Week 104, Part Ib: Response based on improvement in PGIS-Vd at Week 104, Part Ib: Response based on scoring at least “moderately better” in facial vitiligo on PGIC-F at Week 104, Part Ib: Response based on scoring at least “moderately better” in total body vitiligo on PGIC-V at Week 104, Part II: Response based on T-VASI75 at all time points in the SoA, Part II: Response based on F-VASI75 at all time points in the SoA, Part II: Response based on T-VASI50 at all time points in the SoA, Part II: Response based on stabilization of disease at all time points after Week 8 in the SoA, Part II: Response based on sustained improvement in T- VASI, Part II: Response based on sustained improvement in F- VASI, Part II: Time to rescue medication use, Part II: Percent CFB in F-VASI at all time points in the SoA, Part II: Percent CFB in T-VASI at all time points in the SoA, Part II: Response based on T-VASI90 at all time points in the SoA, Part II: Response based on T-VASI100 at all time points in the SoA, Part II: Response based on F-VASI50 at all time points in the SoA, Part II: Response based on F-VASI90 at all time points in the SoA, Part II: Response based on F-VASI100 at all time points in the SoA, Part II: Response based on PGIC-F (defined as at least “moderately better” reported change in facial vitiligo from BL) at Weeks 36 and 52, Part II: Response based on PGIC-V (defined as at least “moderately better” reported change in total body vitiligo from BL) at Weeks 36 and 52, Part II: Response based on improvement in PGIS-Fb at Weeks 36 and 52, Part II: Response based on improvement in PGIS-Vc at Weeks 36 and 52, Part II: CFB in DLQI at Week 52, Part II: CFB in the HADS depression subscale at Week 52, Part II: CFB in the HADS anxiety subscale at Week 52, Part II: Response based on a ‘normal’ subscale score indicative of an absence of depression at Week 52 (in participants with BL HADS subscale scores indicative of depression), Part II: Response based on a ‘normal’ subscale score indicative of an absence of anxiety at Week 52 (in participants with BL HADS subscale scores indicative of anxiety)

Interventions

Sponsors

Pfizer Inc.
Lead SponsorINDUSTRY

Eligibility

Sex/Gender
All
Age
18 Years to No maximum

Design outcomes

Primary

MeasureTime frame
Part Ia: Response based on F-VASI75 (defined as at least 75% improvement in Facial Vitiligo Area Scoring Index [F-VASI] from BL) at Week 52a, Part Ia: Incidence of treatment-emergent adverse events (TEAEs), serious adverse events (SAEs), and adverse events (AEs) leading to discontinuation, Part Ia: Incidence of clinically significant laboratory abnormalities, Part Ib: Incidence of TEAEs, SAEs, and AEs leading to discontinuation, Part Ib: Incidence of clinically significant laboratory abnormalities, Part II: Incidence of TEAEs, SAEs, and AEs leading to discontinuation, Part II: Incidence of clinically significant laboratory abnormalities., Part Ia: Response based on T-VASI50 at all time points in the SoA except for those included as primary and key secondary endpointa

Secondary

MeasureTime frame
Part Ia: Response based on T-VASI50 at Weeks 24, 36, and 52a, Part Ia: Response based on PGIC-F (defined as at least “moderately better” reported change in severity of vitiligo on the face from baseline [BL]) at Weeks 36 and 52a, Part Ia: Response based on PGIC-V (defined as at least “moderately better” reported change in severity of total body vitiligo from BL) at Weeks 36 and 52a, Part Ia: Response based on improvement in PGIS-Fb at Weeks 36 and 52a, Part Ia: Response based on improvement in PGIS-Vc at Weeks 36 and 52a, Part Ia: Response based on F-VASI75 at Weeks 24 and 36a, Part Ia: Response based on stabilization of disease at all time points after Week 8 in the Schedule of Activities (SoA), Part Ia: Response based on F-VASI75 at all time points in the SoA except for those included as primary and key secondary endpointsa, Part Ia: Response based on T-VASI75 at all time points in the SoA except for that included as a primary endpointa, Part Ia: Response based on sustained improveme

Countries

Belgium, Bulgaria, Germany, Hungary, Italy, Poland, Slovakia, Spain

Outcome results

None listed

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