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PF-08049820

Phase 2

Atopic Dermatitis | Small molecule | Dermatology |Pfizer, Inc.|Trials Updated: Oct 13, 2026

PF-08049820 development status

Highest phase Phase 2
Registered trials 5 across 1 sponsor since Nov 2024

Success Probability

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Market & Valuation

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Trial Design

RandomizedDouble-BlindCONTROLLEDDMC
Total Trials2
Total Enrollment181

FDA Designations

No designations recorded

PF-08049820 clinical trials

PF-08049820 · 2 trials · 2 indications

Phase 2 1Phase 1 1
NCT07216027A Study to Learn About Study Medicine Called PF-08049820 in People With EczemaAtopic Dermatitis
RECRUITING165 Analytics
PHASE2RECRUITING
A Study to Learn About Study Medicine Called PF-08049820 in People With Eczema
Atopic DermatitisUnlock trial analytics

Study Endpoints

Primary Endpoints

Percent change from baseline in Eczema Area and Severity Index (EASI) total score at Week 12
Week 12
Pharmacokinetics (PK): Area Under the curve (AUC) of Midazolam
From pre-dose up to 24 hours post dose in Periods 1 and 4
PK: Plasma Maximum Concentration (Cmax) of Midazolam
From pre-dose up to 24 hours post dose in Periods 1 and 4
PK: Area Under the curve (AUC) of dabigatran
From pre-dose up to 48 hours post dose in Periods 2 and 5
PK: Cmax of dabigatran
From pre-dose up to 48 hours post dose in Periods 2 and 5
PK: AUC of Ethinyl estradiol and levonorgestrel
From pre-dose up to 96 hours post dose in Periods 3 and 6
PK: Cmax of Ethinyl estradiol and levonorgestrel
From pre-dose up to 96 hours post dose in Periods 3 and 6

Secondary Endpoints

Response based on achieving EASI75 (≥75% improvement from baseline) at scheduled time points
Day 1 through Week 16
Percent change from baseline in EASI total score at scheduled time points other than Week 12
Day 1 through Week 16
Response based on achieving Validated Investigator's Global Assessment (vIGA) score of clear (0) or almost clear (1) (on a 5-point scale) and a reduction from baseline of >2 points at scheduled time points
Day 1 through Week 16
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Study Design & Arms

AllocationRANDOMIZED
MaskingQUADRUPLE
ModelPARALLEL
PurposeTREATMENT

Treatment Arms

ArmTypeDescription
Arm 2EXPERIMENTALStages 1 and 2: Tablets taken by mouth daily for 12 weeks
Arm 3EXPERIMENTALStages 1 and 2: Tablets taken by mouth daily for 12 weeks
Arm 1EXPERIMENTALStages 1 and 2: Tablets taken by mouth daily for 12 weeks
Arm 4PLACEBO_COMPARATORStages 1 and 2: Tablets taken by mouth daily for 12 weeks
Baseline MidazolamOTHERParticipants will receive a single dose of 2 mg midazolam in the morning on Day 1
Baseline dabigatran etexilateOTHERParticipants will receive a single dose of 150 mg dabigatran etexilate in the morning on Day 1
Baseline oral contraceptivesOTHERParticipants will receive a single dose of Portia (30 mcg of ethinyl estradiol (EE) and 150 mcg of levonorgestrel (LN)) or equivalent oral tablet in the morning on Day 1
Drug Drug Interaction (DDI) midazolamEXPERIMENTALParticipants will receive a single dose of 2 mg midazolam in the morning on Days 2 and 10 only with PF-08049820 Days 1 to 10
DDI dabigatran etexilateEXPERIMENTALParticipants will receive a single dose of 150 mg dabigatran etexilate in the morning on Day 1 only with PF-08049820 Days 1 to 2
DDI oral contraceptivesEXPERIMENTALParticipants will receive a single dose of Portia (30 mcg of EE and 150 mcg of LN) or equivalent oral tablet in the morning on Day 1 only with PF-08049820 on Days 1 to 2

Interventions

NameTypeDescription
PF-08049820DRUGTablet
PlaceboDRUGTablet
MidazolamDRUGAdministered orally
Dabigatran EtexilateDRUGAdministered orally
Portia (EE and LN) or equivalent oral tabletDRUGAdministered orally
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Eligibility Criteria

Age Range18 Years to 64 Years
SexALL
Healthy VolunteersNo
Study Sites42

Inclusion Criteria: Participants must meet the following criteria: 1. Are 18 to 64 years of age 2. Have clinical diagnosis of AD for at least 6 months prior to Day 1 and have diagnosis of AD confirmed by photographs 3. Have moderate to severe AD as defined by the following at screening and baselin...

Countries:United StatesBulgariaCanadaChinaCzechiaFranceJapanPoland
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Recent Changes (Last 90 Days)

LOWOct 13, 2026NCT07216027lastUpdatePostDate: changed
LOWOct 13, 2026NCT07216027lastUpdatePostDate: changed
MEDIUMOct 10, 2026NCT07190430TRIAL_REMOVED: changed
MEDIUMOct 10, 2026NCT07190430TRIAL_REMOVED: changed
MEDIUMOct 10, 2026NCT07190430TRIAL_REMOVED: changed
LOWSep 25, 2026NCT07216027lastUpdatePostDate: changed
LOWSep 25, 2026NCT07216027lastUpdatePostDate: changed
HIGHSep 9, 2026NCT07190430Status: ACTIVE_NOT_RECRUITING → COMPLETED
HIGHSep 9, 2026NCT07190430Status: ACTIVE_NOT_RECRUITING → COMPLETED
LOWSep 4, 2026NCT07216027lastUpdatePostDate: changed
LOWSep 4, 2026NCT07216027lastUpdatePostDate: changed
LOWAug 17, 2026NCT07216027lastUpdatePostDate: changed
LOWAug 17, 2026NCT07216027lastUpdatePostDate: changed
LOWJul 28, 2026NCT07216027lastUpdatePostDate: changed
LOWJul 28, 2026NCT07216027lastUpdatePostDate: changed

Frequently asked questions about PF-08049820

What is PF-08049820?

PF-08049820 is an investigational small molecule drug being developed by Pfizer for the treatment of atopic dermatitis, also known as eczema. It is currently in Phase 2 clinical development and has not been approved by the FDA. Pfizer is evaluating it in randomized, double-blind, controlled clinical trials.

What is PF-08049820 used for in atopic dermatitis?

PF-08049820 is being studied as a treatment for atopic dermatitis, commonly called eczema, in adults. It is an investigational therapy and is not yet approved for any indication. Clinical testing is ongoing to evaluate its use in this inflammatory skin condition.

Who makes PF-08049820?

PF-08049820 is developed by Pfizer, Inc., which trades on the New York Stock Exchange under the ticker PFE. Pfizer is the sponsor of the clinical trials evaluating this investigational small molecule for atopic dermatitis.

What phase is PF-08049820 in?

PF-08049820 is in Phase 2 clinical development. It is an investigational drug and has not been approved by the FDA for atopic dermatitis or any other indication. Two trials have been conducted to date, one Phase 2 study and one Phase 1 study.

What clinical trials is PF-08049820 in?

PF-08049820 has been studied in two clinical trials. NCT07216027 is a recruiting Phase 2 study in adults with atopic dermatitis across the United States, Bulgaria, Canada, China, Czechia, France, Japan, and Poland, enrolling 165 participants. NCT07190430 is a completed Phase 1 drug interaction study in 16 healthy adult female participants in the United States.

How many people have been enrolled in PF-08049820 trials?

Across the two clinical trials of PF-08049820, total planned enrollment is 181 participants. The Phase 2 atopic dermatitis study, NCT07216027, plans to enroll 165 adults, while the completed Phase 1 study, NCT07190430, enrolled 16 healthy adult female participants.