A Study for HSK44459 in Participants With Atopic Dermatitis

NCT ID: NCT06996912

Last Updated: 2026-01-02

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

ACTIVE_NOT_RECRUITING

Clinical Phase

PHASE2

Total Enrollment

150 participants

Study Classification

INTERVENTIONAL

Study Start Date

2025-05-22

Study Completion Date

2026-03-23

Brief Summary

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

Detailed Description

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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.

Conditions

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Atopic Dermatitis (AD)

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

TREATMENT

Blinding Strategy

QUADRUPLE

Participants Caregivers Investigators Outcome Assessors

Study Groups

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HSK44459-Dose level 1

Participants will receive HSK44459 for 12 weeks

Group Type EXPERIMENTAL

HSK44459

Intervention Type DRUG

HSK44459 will be administered orally twice daily

HSK44459-Dose level 2

Participants will receive HSK44459 for 12 weeks

Group Type EXPERIMENTAL

HSK44459

Intervention Type DRUG

HSK44459 will be administered orally twice daily

Placebo

Participants will receive Placebo for 12 weeks

Group Type PLACEBO_COMPARATOR

Placebo

Intervention Type DRUG

Placebo will be administered orally twice daily

Interventions

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HSK44459

HSK44459 will be administered orally twice daily

Intervention Type DRUG

Placebo

Placebo will be administered orally twice daily

Intervention Type DRUG

Eligibility Criteria

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Inclusion Criteria

* 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 Criteria

* 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
Minimum Eligible Age

18 Years

Maximum Eligible Age

75 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

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Xizang Haisco Pharmaceutical Co., Ltd

INDUSTRY

Sponsor Role lead

Responsible Party

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Responsibility Role SPONSOR

Locations

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Affiliated Dermatology Hospital of Shandong First Medical University

Jinan, Shandong, China

Site Status

Countries

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China

Other Identifiers

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HSK44459-203

Identifier Type: -

Identifier Source: org_study_id

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