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A Phase III Study to Evaluate the Efficacy and Safety of AK120 in Patients With Moderate to Severe Atopic Dermatitis

Phase 3
Recruiting
Conditions
Atopic Dermatitis
Interventions
Registration Number
NCT06383468
Lead Sponsor
Akeso
Brief Summary

This is a randomized double-blind, placebo-controlled, multicenter phase III clinical study evaluating the efficacy and safety of AK120 injection in the treatment of patients with moderate to severe atopic dermatitis.

Detailed Description

This is a randomized double-blind, placebo-controlled, multicenter phase III clinical study evaluating the efficacy and safety of AK120 injection in the treatment of patients with moderate to severe atopic dermatitis. The entire study included a screening period, a double-blind controlled treatment period, a conversion and maintenance treatment period, and a safe follow-up period.

Recruitment & Eligibility

Status
RECRUITING
Sex
All
Target Recruitment
420
Inclusion Criteria
  1. Male or female subjects aged ≥18≤75 years old.
  2. Atopic dermatitis (AD) diagnosed at least 1 year before screening.
  3. Subject with eczema area and severity index (EASI) score ≥16, Investigator Global Assessment (IGA) score≥ 3, Body Surface Area (BSA) score ≥ 10% at screening and baseline.
  4. Previously received at least 4 weeks of moderate to strong or at least 2 weeks of strong local glucocorticoid (TCS) treatment for AD before screening, with poor efficacy or intolerable
Exclusion Criteria
  1. Acute onset of AD within the first 4 weeks of randomization.
  2. Have participated in any clinical research on AK120 in the past
  3. Received systemic corticosteroids, immunosuppressive/immunomodulatory drugs, phototherapy within the 4 weeks before randomization.
  4. Received treatment with other clinical research drugs (non-biological agents) within the first 4 weeks or 5 half-lives of randomization (whichever is longer)
  5. Received or planned to receive live vaccine treatment within the 3 months before randomization or during the study period.
  6. Received allergen specific immunotherapy within the 3 months before randomization.
  7. Have a history of allergies to any component of AK120 and/or severe allergic reactions to monoclonal antibodies.

Study & Design

Study Type
INTERVENTIONAL
Study Design
PARALLEL
Arm && Interventions
GroupInterventionDescription
AK120 600mg/300mgAK120AK120 600mg(first day) then 300mg Q2W subcutaneous injection thereafter until week 50.
Placebo/AK120 600mg to 300mgAK120placebo Q2W SC, then AK120 600mg at week 16, thereafter change to AK120 300mg Q2W subcutaneous injection until week 50.
Primary Outcome Measures
NameTimeMethod
Percentage of subjects who achieved (Eczema Area and Severity Index) EASI-75at week 16

Percentage of patients in both treatment group and placebo group who achieved EASI 75 at week 16.

Secondary Outcome Measures
NameTimeMethod
Percentage of subjects who achieved 0/1 in the (Investigator's Global Assessment) IGAat week 16

The percentage of patients in both treatment group and placebo group who achieved IGA 0/1 score at week 16.

Trial Locations

Locations (59)

Beijing Friendship Hospital Capital Medical University

🇨🇳

Beijing, Beijing, China

Beijing Luhe Hospital Affiliated to Capital Medical University

🇨🇳

Beijing, Beijing, China

Beijing Tongren Hospital

🇨🇳

Beijing, Beijing, China

Peking University People's Hospital

🇨🇳

Beijing, Beijing, China

Peking University Third Hospital

🇨🇳

Beijing, Beijing, China

Chongqing Three Gorges Medical College Affiliated People's Hospital

🇨🇳

Chongqing, Chongqing, China

Chongqing Traditional Chinese Medicine Hospital

🇨🇳

Chongqing, Chongqing, China

The First Affiliated Hospital of Fujian Medical University

🇨🇳

Fuzhou, Fujian, China

The Second Affiliated Hospital of Xiamen Medical College

🇨🇳

Xiamen, Fujian, China

Guangdong Provincial People's Hospital

🇨🇳

Guangzhou, Guangdong, China

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Beijing Friendship Hospital Capital Medical University
🇨🇳Beijing, Beijing, China

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