This study adopted a multicenter, randomized, double-blind, placebo-controlled phase II/III operation seamless adaptive design, aiming to evaluate the efficacy, safety and tolerability of CMS-D001 tablets in the treatment of patients with moderate to severe plaque psoriasis. The trial consists of two parts, including the Phase II clinical research stage and the Phase III clinical research stage.
In the Phase II clinical research stage, a multi-center, randomized, double-blind, placebo-controlled design will be adopted, with a planned enrollment of 120 participants. After providing written informed consent and completing all screening evaluations, eligible participants will be randomly assigned in a 1:1:1 ratio to Trial Group 1, Trial Group 2, and the placebo group, with 40 participants in each group.All randomly assigned participants will undergo a 12-week double-blind treatment and continue to be followed up until the 16th week. The study is divided into three phases: the screening period (up to 4 weeks), the treatment period (12 weeks, approximately 85 ± 3 days), and the follow-up period (2 weeks after the last dose). In the Phase III clinical research stage, a multi-center, randomized, double-blind, placebo-controlled design will be adopted. It is planned to continue enrolling participants in the Phase III study after the completion of the Phase II clinical trial enrollment, based on the Phase II dose groups (or the recommended dose groups determined based on the Phase II study results) and the placebo group. A total of 420 participants are planned to be enrolled. After providing written informed consent and completing all screening evaluations, eligible participants will be randomly assigned in a 2:2:1 ratio to the CMS-D001 tablet 50 mg QD, 100 mg QD, and placebo control groups. Each treatment group will have a maximum of 168 participants (excluding those who switch from the placebo group), and the placebo group will have a maximum of 84 participants.The research was divided into 4 phases, namely the screening phase (up to 4 weeks), the base phase (16 weeks), the expansion phase (36 weeks), and the follow-up phase (4 weeks after the last administration).
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
The First Affiliated Hospital of Bengbu Medical College
Bengbu, Anhui, China
Phase Ⅱ:Number of participants achieving at least 75% improvement in Psoriasis Area and Severity Index (PASI 75)
Time frame: At week 12
Phase Ⅲ:Number of participants achieving at least 75% improvement in Psoriasis Area and Severity Index (PASI 75)
Time frame: At week 16
Phase Ⅲ:Number of participants achieving a Physician Global Assessment (PGA) score of 0 (clear) or 1 (almost clear) (PGA-TS)
Time frame: At week 16
PhaseⅡ:Number of participants achieving at least 75% improvement in Psoriasis Area and Severity Index (PASI 75)
Time frame: At week 2, 4, 8
PhaseⅡ:Number of participants achieving a Physicians Global Assessment (PGA) score of 0 or 1.
Time frame: At week 2, 4, 8, 12
PhaseⅡ:Number of participants achieving at least 50%, 90%, or 100% improvement in PASI (PASI 50/90/100)
Time frame: At week 2, 4, 8, 12
PhaseⅡ:Change and percentage change from baseline in the Psoriasis Area and Severity Index (PASI) score.
The PASI scale ranges from 0 (minimum) to 72 (maximum), with higher scores indicating more severe psoriasis (worse outcome).
Time frame: At week 2, 4, 8, 12
PhaseⅡ:Change and percentage change in affected Body Surface Area (BSA) from baseline
Time frame: At week 2, 4, 8, 12
PhaseⅡ:Change in Dermatology Life Quality Index (DLQI) score from baseline
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Masking
QUADRUPLE
Enrollment
540
The First Affiliated Hospital of Wannan Medical College (Yijishan)
Wuhu, Anhui, China
Southern Medical University Dermatology Hospital
Guangzhou, Guangdong, China
Zhujiang Hospital of Southern Medical University
Guangzhou, Guangdong, China
Affiliated Hospital of Chengde Medical College
Chengde, Hebei, China
Affiliated Hospital of Hebei University of Engineering
Handan, Hebei, China
Shijiazhuang Traditional Chinese Medicine Hospital
Shijiazhuang, Hebei, China
The Fourth Affiliated Hospital of Hebei Medical University
Shijiazhuang, Hebei, China
The Second Affiliated Hospital of Harbin Medical University
Harbin, Heilongjiang, China
Nanyang Central Hospital
Nanyang, Henan, China
...and 11 more locations
The total score of the Dermatology Life Quality Index (DLQI) questionnaire ranges from 0 (minimum) to 30 (maximum), with higher scores indicating more severe impairment of quality of life.
Time frame: At week 2, 4, 8, 12
Phase Ⅲ:Number of participants achieving at least 75% improvement in PASI (PASI 75)
Time frame: At weeks 2, 4, 8, 12 and at each visit in the extension period
Phase Ⅲ:Number of participants achieving at least 90% or 100% improvement in PASI (PASI 90/100)
Time frame: At weeks 2, 4, 8, 12, 16 and at each visit in the extension period
Phase Ⅲ:Number of participants achieving a Physician Global Assessment (PGA) score of 0 (clear) or 1 (almost clear)
Time frame: At weeks 2, 4, 8, 12 and at each visit in the extension period
Phase Ⅲ:Change and percentage change in PASI score from baseline
Time frame: At weeks 2, 4, 8, 12, 16 and at each visit in the extension period
Phase Ⅲ:Change and percentage change in affected Body Surface Area (BSA) from baseline
Time frame: At weeks 2, 4, 8, 12, 16 and at each visit in the extension period
Phase Ⅲ:Change in Dermatology Life Quality Index (DLQI) score from baseline
The total score of the Dermatology Life Quality Index (DLQI) questionnaire ranges from 0 (minimum) to 30 (maximum), with higher scores indicating more severe impairment of quality of life.
Time frame: At weeks 2, 4, 8, 12, 16 and at each visit in the extension period