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B7451031 - A Phase 3, Multicenter, Long-Term, Open-Label Study Evaluating the Safety and Efficacy of Abrocitinib, With or Without Topical Medications Administered to Pediatric Participants Aged 2 Years and Older With Moderate-to-Severe Atopic Dermatitis

Status
Recruiting
Phases
Phase 3
Study type
Interventional
Source
EU CTIS
Registry ID
CTIS2023-509124-18-00
Acronym
B7451031
Enrollment
185
Registered
2025-08-05
Start date
2025-12-19
Completion date
Unknown
Last updated
2025-11-19

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

Conditions

Moderate-to-Severe Atopic Dermatitis

Brief summary

Overall treatment-emergent adverse events (TEAEs), serious adverse events (SAEs), and AEs that lead to discontinuation of study intervention.

Detailed description

Clinically significant laboratory abnormalities, Response based on achieving vIGA score of clear (0) or almost clear (1) (on a 5-point scale) and ≥2-point reduction from baseline1 at all scheduled time points., Response based on achieving a ≥4-point improvement from baseline1 in the Worst Itch-Numerical Rating Scale (WI-NRS) at all scheduled time points., Response based on achieving a ≥4-point improvement from baseline1 in the Worst Scratch/Itch-Numerical Rating Scale (WSI-NRS) at all scheduled time points., Response based on achieving ≥50%, ≥75%, ≥90%, 100% improvement from baseline1 in the Eczema Area and Severity Index (EASI) total score (EASI-50, EASI-75, EASI-90, EASI-100) at all scheduled time points., Percent change from baseline (CFB)1 in EASI total score at all scheduled time points., CFB1 in the percentage Body Surface Area (BSA) affected at all scheduled time points., Loss of response due to protocol-defined flare2, CFB1 in Children’s Dermatology Life Quality Index (CDLQI) at all scheduled time points., CFB1 in Infants’ Dermatitis Quality of Life (IDQOL) at all scheduled time points., CFB1 in Patient-Oriented Eczema Measure (POEM) at all scheduled time points., CFB1 in Dermatitis Family Impact (DFI) at all scheduled time points, CFB1 in Patient Reported Global Impression of Severity (PGIS) at all scheduled time points, CFB1 in Observer Reported Global Impression of Severity (OGIS) at all scheduled time points, CFB1 in the EuroQol- 5 Dimension Youth (EQ-5D-Y) at all scheduled time points, Number of topical corticosteroids- and / or topical calcineurin inhibitor-free days., Proportion of participants achieving satisfactory response in Tetanus, Diphtheria and Acellular Pertussis Vaccine (Tdap)/Diphtheria, Tetanus & Pertussis vaccine (DTaP) and/or pneumococcal antibody titers as appropriate in participants who receive Tdap/DTaP and/or pneumococcal vaccinations

Interventions

DRUGAbrocitinib

Sponsors

Pfizer Inc.
Lead SponsorINDUSTRY

Eligibility

Sex/Gender
All
Age
0 Years to 17 Years

Design outcomes

Primary

MeasureTime frame
Overall treatment-emergent adverse events (TEAEs), serious adverse events (SAEs), and AEs that lead to discontinuation of study intervention.

Secondary

MeasureTime frame
Clinically significant laboratory abnormalities, Response based on achieving vIGA score of clear (0) or almost clear (1) (on a 5-point scale) and ≥2-point reduction from baseline1 at all scheduled time points., Response based on achieving a ≥4-point improvement from baseline1 in the Worst Itch-Numerical Rating Scale (WI-NRS) at all scheduled time points., Response based on achieving a ≥4-point improvement from baseline1 in the Worst Scratch/Itch-Numerical Rating Scale (WSI-NRS) at all scheduled time points., Response based on achieving ≥50%, ≥75%, ≥90%, 100% improvement from baseline1 in the Eczema Area and Severity Index (EASI) total score (EASI-50, EASI-75, EASI-90, EASI-100) at all scheduled time points., Percent change from baseline (CFB)1 in EASI total score at all scheduled time points., CFB1 in the percentage Body Surface Area (BSA) affected at all scheduled time points., Loss of response due to protocol-defined flare2, CFB1 in Children’s Dermatology Life Quality Index (CDLQI) a

Countries

Germany, Hungary, Poland, Spain

Outcome results

None listed

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