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Phase 2a Study of the Safety, Tolerability, and Pharmacokinetics of Topically Administered PRN473 (SAR444727) in Patients With Mild to Moderate Atopic Dermatitis

NCT04992546 · Status: COMPLETED · Phase: PHASE2 · Type: INTERVENTIONAL · Enrollment: 39

Last updated 2025-09-10

Study results available
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Summary

This was a Ph2a study that consists of a double-blind, intra-patient placebo-controlled treatment period and an open-label uncontrolled treatment period with objective to evaluate the safety, tolerability, PK and preliminary efficacy of PRN473 in up to 40 patients with mild to moderate AD.

On Day 1 (Baseline) of the Blinded Period, 2 target lesions with a difference no greater than 1 point in Total Sign Score (TSS) were randomly assigned to treatment in an intra-patient 1:1 manner, one lesion to PRN473 and the other to matching placebo.

Participation took approximately 13 weeks, including up to a 5-week screening period, a 6-week treatment period, end of study assessments 1 day after last dose, and a safety follow-up phone call 2 weeks after last dose.

Conditions

Interventions

DRUG

PRN473 (SAR444727)

White to off-white gel suspension

DRUG

Placebo

White to off-white gel suspension

Sponsors & Collaborators

  • Principia Biopharma, a Sanofi Company

    lead INDUSTRY

Study Design

Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
QUADRUPLE
Model
PARALLEL

Eligibility

Min Age
18 Years
Max Age
70 Years
Sex
ALL
Healthy Volunteers
No

Timeline & Regulatory

Start
2021-08-13
Primary Completion
2022-12-28
Completion
2022-12-28
FDA Drug
Yes

Countries

  • United States
  • Canada

Study Locations

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Entities

Drugs
Diseases

Read the full study record

This page highlights key information. For complete eligibility criteria, study locations, investigator contacts, and the full protocol, visit the original record on ClinicalTrials.gov.

View NCT04992546 on ClinicalTrials.gov