Status:

ACTIVE_NOT_RECRUITING

A Study for HSK44459 in Participants With Atopic Dermatitis

Lead Sponsor:

Xizang Haisco Pharmaceutical Co., Ltd

Conditions:

Atopic Dermatitis (AD)

Eligibility:

All Genders

18-75 years

Phase:

PHASE2

Brief Summary

The purpose of this study is to assess the efficacy and safety of HSK44459 in adults with Atopic Dermatitis

Detailed Description

This is a multicenter, randomized, double-blind, parallel group, placebo controlled phase 2 study to assess the efficacy and safety of HSK44459 in adult participants with Atopic Dermatitis.

Eligibility Criteria

Inclusion

  • Written informed consent must be obtained
  • Male or female, ≥18 years old and ≤75 years old
  • Willing and able to comply with study-specific procedures and the requirements of this study protocol.
  • Atopic dermatitis has been present for at least 1 year and subject meets Hanifin and Rajka criteria
  • EASI score≥16 at the screening and baseline visits
  • IGA score≥3 at the screening and baseline visits
  • ≥10% body surface area (BSA) of AD involvement at the screening and baseline visits
  • Baseline WI-NRS≥4
  • History of inadequate response to TCS of medium to higher potency (with or without topical calcineurin inhibitors \[TCI\]) or systemic treatment for AD within 6 months prior to screening
  • Have applied a stable dose of topical emollient (moisturizer) twice daily for at least 7 days before the baseline visit

Exclusion

  • Subjects have used AD treatments within the time frame specified in protocol prior to the baseline visit
  • Prior exposure to any PDE4 inhibitor systemic treatment
  • Systemic use of known strong CYP3A inhibitors or strong CYP3A inducers within 4 weeks or 5 half-lives prior to randomization or during the course of the study
  • Participation in other clinical studies within 4 weeks or 5 half-lives prior to randomization
  • Subjects have laboratory values meeting the criteria in protocol
  • Presence of skin comorbidities that may interfere with study assessments
  • Concurrent conditions and history of other diseases as described in protocol

Key Trial Info

Start Date :

May 22 2025

Trial Type :

INTERVENTIONAL

Allocation :

ESTIMATED

End Date :

March 23 2026

Estimated Enrollment :

150 Patients enrolled

Trial Details

Trial ID

NCT06996912

Start Date

May 22 2025

End Date

March 23 2026

Last Update

January 2 2026

Active Locations (1)

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1

Affiliated Dermatology Hospital of Shandong First Medical University

Jinan, Shandong, China, 250022