A Study to Learn About the Study Medicine Called PF-07905428 in Healthy Participants and Participants With Acne Vulgaris
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Phase
Phase 1
Status
Completed
Study type
Interventional
Design
Randomized · Double · Treatment
Enrollment
52actual
Sites
1
Country
Canada
Every value on this page is a field the sponsor filed with ClinicalTrials.gov, reproduced. Dates are their own estimates, revised as a study runs, unless the registry marks them actual. sources →
Source: ClinicalTrials.gov, retrieved 2026-08-19
Dates
each axis at the precision it was filed, with the registry's own basis| Date | Filed | Basis | What it is |
|---|---|---|---|
| Start | 2024-11-22 | actual | When the study began enrolling |
| Primary completion | 2025-12-04 | actual | The date the last participant is measured for the primary outcome — the readout window |
| Study completion | 2025-12-04 | actual | The whole study's end, after follow-up |
| First posted | 2024-11-04 | actual | When this record first appeared on the registry |
| Results posted | — | When the sponsor posted results to the registry | |
| Record updated | 2025-12-30 | actual | The sponsor's own last edit to this record — every projection above is as current as this date |
What it studies
Condition
- Acne Vulgaris
Interventions
- Drug: PF-07905428
- Drug: Placebo
Primary outcomes
what the primary-completion date above is the date OFNumber of Participants With Treatment Emergent Adverse Events (TEAEs) and Serious Adverse Events (SAEs)
measured Through study completion, approximately 2 months
Number of Participants With Clinical Laboratory Abnormalities
measured Through study completion, approximately 2 months
Number of Participants With Abnormalities in Vital Signs
measured Through study completion, approximately 2 months
Number of Participants With Clinically Significant Changes From Baseline in 12-Lead Electrocardiogram (ECG) Parameters
measured Through study completion, approximately 2 months
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