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PF-04965842

Phase 3

Atopic Dermatitis | Small molecule | Immunology |Pfizer, Inc.|Last Updated: Feb 8, 2023

Success Probability
Approval Probability 71%
TA Base Rate26%
Adjusted LOA41%
ML RiskLOW_RISK
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Market & Valuation
rNPV $3.2B
Market Size $9.4B
Revenue Basis $1.6B
Competitors 6
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Trial Design
RandomizedDouble-BlindPLACEBO_CONTROLLEDDMCBiomarker
Total Trials3
Total Enrollment602
FDA Designations
No designations recorded
Clinical Trials (3)
NCT IDTitlePhaseStatusEnrollmentVelocityDesignStartCompletionLast UpdatedSitesCountries
NCT03796676JAK1 Inhibitor With Medicated Topical Therapy in Adolescents With Atopic DermatitisPHASE3 COMPLETED 287Feb 18, 2019Apr 8, 2020Apr 13, 2022136 United States, Australia +12
NCT03915496Study Evaluating the Mechanism of Action of PF-04965842 Monotherapy for Moderate-to-severe Atopic DermatitisPHASE2 COMPLETED 46Jun 18, 2020Nov 16, 2021Feb 8, 202311 United States, Canada
NCT02780167Study To Evaluate Pf-04965842 In Subjects With Moderate To Severe Atopic DermatitisPHASE2 COMPLETED 269Apr 1, 2016Apr 1, 2017May 2, 201964 United States, Australia +3
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Study Endpoints
Primary Endpoints
Percentage of Participants Achieving Investigator's Global Assessment (IGA) Response of 'Clear' (0) or 'Almost Clear' (1) and ≥2 Points Improvement From Baseline at Week 12
Baseline to Week 12

The IGA of Atopic Dermatitis (AD) was scored on a 5-point scale (0-4), reflecting a global consideration of the erythema, induration and scaling. The overall severity of AD was assessed according to the 5-point scale: 0=Clear, 1=Almost Clear, 2=Mild, 3=Moderate, and 4=Severe. Participants who withdrew from the study were counted as non-responder.

Percentage of Participants Achieving Eczema Area and Severity Index (EASI) Response ≥ 75% Improvement From Baseline at Week 12
Baseline to Week 12

The EASI quantifies the severity of AD based on both severity of lesion clinical signs and the percent of body surface area (BSA) affected. The EASI score can vary in increments of 0.1 and range from 0.0 to 72.0, with higher scores representing greater severity of AD. Participants who withdrew from the study were counted as non-responder.

Fold-Change From Baseline in Atopic Dermatitis Biomarkers in Lesional and Non-lesional Skin at Week 12
Baseline, Week 12

Mean fold-changes from baseline at Week 12 in the biomarkers for general inflammation (Matrix Metallopeptidase \[MMP\]12), hyperplasia (Keratin \[KRT\]16), Th2 immune response (C-C motif chemokine ligand \[CCL\]17, CCL18, CCL26), and Th22 immune response (S100 calcium binding protein A \[S100A\]8, S100A9, S100A12), in lesional (LS) and non-lesional (NL) skin tissues, respectively. Expression levels from RT-PCR are normalized to the housekeeping gene RPLP0 by negatively transforming the Ct values to -dCt.

Percentage of Participants Achieving the Investigator's Global Assessment (IGA) for Clear (0) or Almost Clear (1) and >=2 Points Improvement From Baseline at Week 12
Baseline and Week 12

The IGA score quantifies the severity of participants' atopic dermatitis (AD). Scores range from 0 to 4 and correspond to a category (clear, almost clear, mild, moderate and severe, respectively).

Secondary Endpoints
Percentage of Participants Achieving ≥4 Points Improvement From Baseline in Peak Pruritis Numeric Rating Scale (PP-NRS) for Severity of Pruritus at Weeks 2, 4 and 12
Baseline, Weeks 2, 4 and 12
Change From Baseline in Pruritus and Symptoms Assessment for Atopic Dermatitis (PSAAD) at Week 12
Baseline to Week 12
Percentage of Participants Achieving IGA Response of 'Clear' or 'Almost Clear' and ≥2 Points Improvement From Baseline at All Scheduled Time Points Except Week 12
Baseline, Weeks 2, 4 and 8
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Study Design & Arms
AllocationRANDOMIZED
MaskingQUADRUPLE
ModelPARALLEL
PurposeTREATMENT
Treatment Arms
ArmTypeDescription
PlaceboPLACEBO_COMPARATORPlacebo
PF-04965842 100 mg QDEXPERIMENTALactive
PF-04965842 200 mg QDEXPERIMENTALactive
PF-04965842 200 mgEXPERIMENTAL -
PF-04965842 100 mgEXPERIMENTAL -
Cohort 1EXPERIMENTAL10 mg of PF-04965842 QD
Cohort 2EXPERIMENTAL30 mg of PF-04965842 QD
Cohort 3EXPERIMENTAL100 mg of PF-04965842 QD
Cohort 4EXPERIMENTAL200 mg of PF-04965842 QD
Cohort 5PLACEBO_COMPARATORplacebo QD
Interventions
NameTypeDescription
PlaceboDRUGPlacebo
PF-04965842DRUG100 mg QD
PF04965842DRUG200 mg QD
PF-04965842 200 mgDRUGPF-04965842 200 mg administered as two tablets to be taken orally once daily for 12 weeks
PF-04965842 100 mgDRUGPF-04965842 100 mg administered as two tablets to be taken orally once daily for 12 weeks
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Eligibility Criteria
Age Range12 Years — 17 Years
SexALL
Healthy VolunteersNo
Study Sites136

Inclusion Criteria: * Aged between 12 and to 17 with a minimum body weight of 40 kg * Diagnosis of atopic dermatitis (AD) for at least 1 year and current status of moderate to severe disease (\>= the following scores: BSA 10%, IGA 3, EASI 16, Pruritus NRS severity 4) Exclusion Criteria: * Acute o...

Countries:United StatesAustraliaChinaCzechiaGermanyHungaryItalyJapanLatviaMexicoPolandSpainTaiwanUnited KingdomCanada
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