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A Clinical Study to Evaluate the Efficacy and Safety of Subcutaneous JS005 Injection in the Treatment of Adults With Moderate to Severe Chronic Plaque Psoriasis

Phase 3
Active, not recruiting
Conditions
Moderate to Severe Chronic Plaque Psoriasis
Interventions
Biological: JS005 (recombinant humanized monoclonal antibody against IL-17A)
Registration Number
NCT05975268
Lead Sponsor
Shanghai Junshi Bioscience Co., Ltd.
Brief Summary

This is a multicenter, randomized, double-blind, parallel, placebo-controlled Phase III clinical study to evaluate the efficacy and safety of JS005 in 702 adult patients with moderate-to-severe chronic plaque psoriasis

Detailed Description

The study consisted of four periods: screening period (up to 4 weeks), induction period (12 weeks), maintenance period (40 weeks) and follow-up period (8 weeks). This study planned to recruit 702 subjects, who were randomized into JS005 300mg group (234 subjects), JS005 150mg group (234 subjects) and placebo group (234 subjects) at a ratio of 1:1:1, and were stratified by whether they had previsouly received biologic treatments (continuous biologic treatment for ≥3 months at recommended doses or intolerance for safety reasons) and body weight (≥70 kg or \< 70 kg).

Recruitment & Eligibility

Status
ACTIVE_NOT_RECRUITING
Sex
All
Target Recruitment
747
Inclusion Criteria
  1. Subjects voluntarily particpate in this clinical study and sign the informed consent form.
  2. Male and female patients aged 18-75 years at the time of screening (both inclusive).
  3. Fertile female subjects must be willing to use a highly effective contraceptive method during the study period and 20 weeks (expected 5 half-lives) after the last study drug administration and have a negative pregnancy test during the screening period and prior to randomization.
Exclusion Criteria
  1. Pregnant and lactating women.
  2. A history of inflammatory bowel disease or other conditions with a high risk of perforation (e.g., severe gastrointestinal ulcers, etc.) or with other active autoimmune diseases (e.g., systemic lupus erythematosus, Sarcoidosis, etc.).
  3. Have a type of psoriasis other than chronic plaque psoriasis (e.g., pustular, erythrodermic, and guttate psoriasis), drug-induced psoriasis, or have an active inflammatory skin disease other than psoriasis
  4. Use of phototherapy, including but not limited to ultraviolet A phototherapy (with or without psoralens), ultraviolet B phototherapy, or excimer laser within 4 weeks prior to randomization. Subjects are unwilling to avoid excessive sunlight exposure within 4 weeks prior to randomization and during the study period;
  5. A (current) history of systemic infection or serious infection requiring hospitalization and/or intravenous anti-infective therapy (e.g., antibiotics, antifungal agents, antiviral agents) within 12 weeks prior to randomization; a history of any active infection, other than common upper respiratory infections, within 2 weeks prior to randomization;

Study & Design

Study Type
INTERVENTIONAL
Study Design
PARALLEL
Arm && Interventions
GroupInterventionDescription
JS005 300mg (recombinant humanized monoclonal antibody against IL-17A)JS005 (recombinant humanized monoclonal antibody against IL-17A)-
PlaceboJS005 (recombinant humanized monoclonal antibody against IL-17A)-
JS005 150mg (recombinant humanized monoclonal antibody against IL-17A)JS005 (recombinant humanized monoclonal antibody against IL-17A)-
Primary Outcome Measures
NameTimeMethod
Change in PASI 90From week 0 to week 12

The proportion of patients who achieved at least 90% improvement from baseline in psoriasis area and severity index (PASI 90) at week 12

Change in sPGAFrom week 0 to week 12

The proportion of patients who achieved a static physician Comprehensive Assessment (sPGA) score of 0 or 1 at week 12.

Secondary Outcome Measures
NameTimeMethod
Patients achieving PASI 100 at Week 12From week 0 to week 12

The proportion of patients who achieved at least 100% improvement from baseline in psoriasis area and severity index (PASI 90) at week 12

Proportion of subjects with a DLQI score of 0/1 at week 12From week 0 to week 12

The proportion of patients who with a DLQI score at least 0/1 at week 12

Time to sPGA 0/1 responseFrom week 0 to week 12

Time to sPGA 0/1 response within 12 weeks

Time to PASI 75/90 responseFrom week 0 to week 12

Time to PASI 75/90 response within 12 weeks

Patients achieving PASI 75 at Week 12From week 0 to week 12

The proportion of patients who achieved at least 75% improvement from baseline in psoriasis area and severity index (PASI 90) at week 12

Proportion of subjects with a sPGA score of 0 at week 12From week 0 to week 12

The proportion of patients who achieved at least 0 at week 12

Patients achieving PASI 75 at Week 52From week 0 to week 52

Proportion of participants with a PASI score improvement of at least 75% (PASI 75) from baseline at week 52

Patients achieving PASI 90 at Week 52From week 0 to week 52

Proportion of participants with a PASI score improvement of at least 90 (PASI 90) from baseline at week 52

Patients achieving PASI 100 at Week 52From week 0 to week 52

Proportion of participants with a PASI score improvement of at least 100 from baseline (PASI 100) at week 52

Trial Locations

Locations (63)

The Second Affiliated Hospital of Anhui Medical University

🇨🇳

Hefei, Anhui, China

The Second Affiliated Hospital of Xiamen Medical College

🇨🇳

Xiamen, Fujian, China

Lanzhou University Second Hospital

🇨🇳

Lanzhou, Gansu, China

Shenzhen People's Hospital

🇨🇳

Shenzhen, Guangdong, China

The Affiliated Hospital of Chengde Medical College

🇨🇳

Chengde, Hebei, China

Nanyang city first People's Hospital

🇨🇳

Nanyang, Henan, China

The Second Xiangya Hospital, Central South University

🇨🇳

Changsha, Hunan, China

China-Japan Friendship Hospital

🇨🇳

Beijing, Beijing, China

Guangdong General Hospital

🇨🇳

Guangzhou, Guangdong, China

Dermatology Hospital of Southern Medical University

🇨🇳

Guangzhou, Guangdong, China

Wuhan University People's Hospital

🇨🇳

Wuhan, Hubei, China

The First Affiliated Hospital of Xinxiang Medical College

🇨🇳

Xinxiang, Henan, China

Jingzhou Central Hospital

🇨🇳

Jingzhou, Hubei, China

Wuxi Second People's Hospital

🇨🇳

Wuxi, Jiangsu, China

The First Affiliated Hospital of Gannan Medical College

🇨🇳

Ganzhou, Jiangxi, China

Shanghai Dermatology Hospital

🇨🇳

Shanghai, Shanghai, China

Medicine School of Xi'an Jiaotong University

🇨🇳

Xian, Shanxi, China

Peking University Third Hospital

🇨🇳

Beijing, Beijing, China

The First Affiliated Hospital of Fujian Medical University

🇨🇳

Fuzhou, Fujian, China

Ningxia Medical University General Hospital

🇨🇳

Yinchuan, Ningxia, China

Chengdu Second People's Hospital

🇨🇳

Chengdu, Sichuan, China

Peking University People's Hospital

🇨🇳

Beijing, Beijing, China

Ningbo Huamei Hospital, University of Chinese Academy of Sciences

🇨🇳

Beijing, Beijing, China

Beijing LuHe Hospital Capital Medical University

🇨🇳

Beijing, Beijing, China

Beijing Tsinghua Changgung Hospital

🇨🇳

Beijing, Beijing, China

The First Affiliated Hospital of Chongqing Medical University

🇨🇳

Chongqing, Chongqing, China

Dongguan People's Hospital

🇨🇳

Dongguan, Guangdong, China

Guangzhou First People's Hospital

🇨🇳

Guangzhou, Guangdong, China

The First Hospital of Hebei Medical University

🇨🇳

Shijiazhuang, Hebei, China

Shiyan City People's Hospital

🇨🇳

Shiyan, Hubei, China

Xiangya Third Hospital, Central South University

🇨🇳

Changsha, Hunan, China

Lianyungang First People's Hospital

🇨🇳

Lianyungang, Jiangsu, China

Yancheng First People's Hospital

🇨🇳

Yancheng, Jiangsu, China

Jiangxi Dermatology Hospital

🇨🇳

Nanchang, Jiangxi, China

Bethune First Hospital of Jilin University

🇨🇳

Changchun, Jilin, China

Panjin Liao oil precious stone flower hospital

🇨🇳

Panjin, Liaoning, China

Shengjing Hospital affiliated to China Medical University

🇨🇳

Shenyang, Liaoning, China

North East Central International Hospital Limited

🇨🇳

Shenyang, Liaoning, China

Baotou Central Hospital

🇨🇳

Baotou, Neimenggu, China

Inner Mongolia Baotou Steel Hospital

🇨🇳

Baotou, Neimengu, China

Shandong Dermatology Hospital

🇨🇳

Jinan, Shandong, China

The Second Hospital of Shanxi Medical University City:Taiyuan

🇨🇳

Taiyuan, Shanxi, China

West China Hospital of Sichuan University

🇨🇳

Chengdu, Sichuan, China

The Second Affiliated Hospital of Kunming Medical University

🇨🇳

Kunming, Yunnan, China

Zhejiang Provincial People's Hospital

🇨🇳

Hangzhou, Zhejiang, China

The First Affiliated Hospital of Bengbu Medical College

🇨🇳

Bengbu, Anhui, China

Beijing Friendship Hospital, Capital Medical University

🇨🇳

Beijing, Beijing, China

Beijing Tongren Hospital Affiliated to Capital Medical University

🇨🇳

Beijing, Beijing, China

Xingtai People's Hospital

🇨🇳

Xingtai, Hebei, China

The First Affiliated Hospital of Soochow University

🇨🇳

Suzhou, Jiangsu, China

The Second Affiliated Hospital of Nanchang University

🇨🇳

Nanchang, Jiangxi, China

Affiliated Hospital of Jiangsu University

🇨🇳

Zhenjiang, Jiangsu, China

Shenyang Hospital of Integrated Chinese and Western Medicine

🇨🇳

Shenyang, Liaoning, China

Jinan Central Hospital

🇨🇳

Jinan, Shandong, China

The First Affiliated Hospital of Xi 'an Jiaotong University City:Xian

🇨🇳

Xi'an, Shanxi, China

Suining Central Hospital

🇨🇳

Suining, Sichuan, China

Tianjin Academy of Traditional Chinese Medicine Affiliated Hospital

🇨🇳

Tianjin, Tianjin, China

Hangzhou First People's Hospital

🇨🇳

Hangzhou, Zhejiang, China

Hangzhou Third People's Hospital

🇨🇳

Hangzhou, Zhejiang, China

Run Run Shaw Hospital, Zhejiang University School of Medicine

🇨🇳

Hangzhou, Zhejiang, China

The First Hospital of Jiaxing

🇨🇳

Jiaxing, Zhejiang, China

The First Affiliated Hospital of Wenzhou Medical University

🇨🇳

Wenzhou, Zhejiang, China

Sun Yat-sen Memorial Hospital, Sun Yat-sen University

🇨🇳

Guangzhou, Guangdong, China

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