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Completed Phase 3 Interventional Results available

Study Evaluating Efficacy and Safety of PF-04965842 and Dupilumab in Adult Subjects With Moderate to Severe Atopic Dermatitis on Background Topical Therapy

ClinicalTrials.gov ID: NCT03720470

Public ClinicalTrials.gov record NCT03720470. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.

ClinicalTrials.gov public records Last synced Oct 16, 2026, 5:26 PM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Official title

A PHASE 3 RANDOMIZED, DOUBLE-BLIND, DOUBLE-DUMMY, PLACEBO-CONTROLLED, PARALLEL GROUP, MULTI-CENTER STUDY INVESTIGATING THE EFFICACY AND SAFETY OF PF-04965842 AND DUPILUMAB IN COMPARISON WITH PLACEBO IN ADULT SUBJECTS ON BACKGROUND TOPICAL THERAPY, WITH MODERATE TO SEVERE ATOPIC DERMATITIS

Brief summary

Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.

B7451029 is a Phase 3 study to investigate PF-04965842 in adult patients who have moderate to severe atopic dermatitis and use background topical therapy. The efficacy of two dosage strengths of PF-04965842, 100 mg and 200 mg taken orally once daily will be evaluated relative to placebo over 12 weeks. The efficacy of the two dosage strengths of PF-04965842 will be compared with dupilumab in terms of pruritus relief at 2 weeks. The two dosage strengths of PF-04965842 and dupilumab 300 mg injected subcutaneously once every two weeks (with a loading dose of 600 mg injected on the first day) will also be evaluated relative to placebo over 16 weeks. The safety of the investigational products will be evaluated over the duration of the study. Subjects will use non-medicated emollient at least twice a day and medicated topical therapy such as corticosteroids, calcineurin inhibitors or PDE4 inhibitors, as per protocol guidance, to treat active lesions during the study. Subjects who are randomized to receive one of the two dosage strengths of PF-04965842 will also receive placebo injectable study drug every two weeks until Week 16 and then will continue on receiving only the oral study drug for 4 weeks. Subjects who are randomized to receive dupilumab injections every two weeks will also receive oral placebo to be taken once daily until Week 16 and will then continue to receive only the oral placebo for 4 weeks. Subjects who are randomized to the placebo arms, will receive both daily oral placebo and injectable placebo every two weeks until Week 16, after which they will receive either 100 mg or 200 mg of PF-04965842 taken orally once daily for 4 weeks, dependent upon which arm they have been allocated to. Eligible subjects will have an option to enter a long-term extension study after completing 20 weeks of treatment.

Study identification

NCT ID
NCT03720470
Recruitment status
Completed
Study type
Interventional
Phase
Phase 3
Lead sponsor
Pfizer
Industry
Enrollment
838 participants

Conditions and interventions

Eligibility (public fields only)

Age range
18 Years and older
Sex
All
Healthy volunteers
Healthy volunteers not accepted

This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.

Study timeline

Start date
Oct 29, 2018 (Actual)
Primary completion
Dec 27, 2019 (Actual)
Completion
Mar 6, 2020 (Actual)
Last update posted
Jan 19, 2021

2018 – 2020

United States locations

U.S. sites
60
U.S. states
23
U.S. cities
55
Facility City State ZIP Site status
Clinical Research Center of Alabama, LLC Birmingham Alabama 35209 —
The University Of Alabama At Birmingham Birmingham Alabama 35233 —
Marvel Research, LLC Huntington Beach California 92647 —
Alliance Research Centers Laguna Hills California 92653 —
Allergy & Asthma Care Center of Southern California Long Beach California 90808 —
Allergy & Asthma Associates of Southern California dba Southern California Research Mission Viejo California 92691 —
Dermatology Specialists, Inc. Murrieta California 92562 —
MedDerm Associates San Diego California 92103 —
Clinical Science Institute Santa Monica California 90404 —
Synexus Clinical Research US, Inc. Santa Rosa California 95405 —
IMMUNOe Research Centers Centennial Colorado 80112 —
Renaissance Research and Medical Group, Inc Cape Coral Florida 33991 —
C & R Research Services USA, Inc Coral Gables Florida 33134 —
Florida Academic Centers Research and Education, LLC Coral Gables Florida 33134 —
Moonshine Research Center, Inc. Doral Florida 33166 —
Solutions Through Advanced Research, Inc. Jacksonville Florida 32256 —
Olympian Clinical Research Largo Florida 33770 —
Savin Medical Group LLC Miami Florida 33126 —
Wellness Clinical Research, LLC Miami Lakes Florida 33016 —
ForCare Clinical Research Tampa Florida 33613 —
Research Institute of Southeast, LLC West Palm Beach Florida 33401 —
Research Institute of the Southeast, LLC West Palm Beach Florida 33401 —
Columbus Regional Research Institute Columbus Georgia 31904 —
Idaho Allergy and Research Eagle Idaho 83616 —
ASR, LLC Nampa Idaho 83687 —
Great Lakes Clinical Trials Chicago Illinois 60640 —
Midwest Allergy Sinus Asthma, SC Normal Illinois 61761 —
NorthShore University HealthSystem Skokie Illinois 60077 —
Southern Illinois University School of Medicine Springfield Illinois 62702 —
Dundee Dermatology West Dundee Illinois 60118 —
The Indiana Clinical Trials Center Plainfield Indiana 46168 —
Forefront Dermatology, S.C. Louisville Kentucky 40202 —
Meridian Clinical Research, LLC Baton Rouge Louisiana 70808 —
Clinical Research Institute, Inc. Minneapolis Minnesota 55402 —
Skin Laser and Surgery Specialists of NY and NJ Hackensack New Jersey 07601 —
Forest Hills Dermatology Group Kew Gardens New York 11374 —
Juva Skin and Laser Center New York New York 10022 —
TrialSpark, Inc (Russell Cohen) Oceanside New York 11572 —
Cary Dermatology Center, PA Cary North Carolina 27511 —
PMG Research of Raleigh, LLC d/b/a PMG Research of Cary Cary North Carolina 27518 —
Medication Management, LLC Greensboro North Carolina 27408 —
PMG Research Inc., d/b/a PMG Research of Piedmont HealthCare Statesville North Carolina 28625 —
Winston-Salem Dermatology and Surgery Center, PLLC Winston-Salem North Carolina 27103 —
University Hospitals Cleveland Medical Center Cleveland Ohio 44106 —
Newton Clinical Research Oklahoma City Oklahoma 73120 —
Vital Prospects Clinical Research Institute, P.C. Tulsa Oklahoma 74136 —
Portland Clinical Research dba Columbia Allergy & Asthma Clinic Clackamas Oregon 97015 —
Crisor, LLC Medford Oregon 97504 —
Oregon Health & Science University (OHSU) Portland Oregon 97239 —
Paddington Testing Co, Inc. Philadelphia Pennsylvania 19103 —
Synexus Clinical Research US, Inc. Anderson South Carolina 29621 —
Synexus Clinical Research US. Inc. Greer South Carolina 29651 —
Health Concepts Rapid City South Dakota 57702 —
Arlington Research Center, Inc. Arlington Texas 76011 —
Austin Institute for Clinical Research, Inc. Austin Texas 78705 —
Center for Clinical Studies, LTD. LLP Houston Texas 77004 —
Center for Clinical Studies, LTD. LLP Webster Texas 77598 —
Jordan Valley Dermatology Center West Jordan Utah 84088 —
Virginia Dermatology and Skin Cancer Center Norfolk Virginia 23502 —
Velocity Urgent Care Norfolk Virginia 23518 —

Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.

Non-U.S. locations

This page focuses on the U.S. directory. The official record also lists 156 non-U.S. sites.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT03720470, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
What this page does not do
No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
Where the data comes from
Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
Last refresh
Last update posted Jan 19, 2021 · Synced Oct 16, 2026

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Open the official record

The complete public registry record, listed eligibility criteria, and available contact information for NCT03720470 live on ClinicalTrials.gov.

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