Efficacy and Safety of HRS9531 Injections in Overweight or Obese Subjects

Study Overview
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Brief Summary
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To assess the efficacy of HRS9531 injection compared with placebo in weight reduction in overweight or obese subjects after 36 weeks of treatment.

Official Title
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A Multicenter, Randomized, Double-blind, Placebo-parallel-controlled, Phase II Clinical Study to Evaluate the Efficacy and Safety of HRS9531 Injection in Overweight or Obese Subjects

Conditions
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Overweight or Obesity

Intervention / Treatment
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* Drug: HRS9531 injection
* Drug: HRS9531 injection Placebo


Participation Criteria
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Eligibility Criteria
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Inclusion Criteria: Able and willing to provide a written informed consent. Male or female subjects, 18-65 years of age at the time of signing informed consent. 28.0 ≤BMI≤ 40.0 kg/m2 or 24 ≤BMI< 28.0 kg/m2 with at least 1 weight-related comorbidity at screening visit. Diet and exercise control for at least 3 months before screening visit, and less than 5 kg self-reported change within the last 3 months. Exclusion Criteria: Presence of - clinically significant lab or ECG results that may affect the evaluation of the efficacy or safety of the study drug at screening visit. poor-controlled hypertension. PHQ-9 score ≥15. Medical history of illness that affects weight. History of diabetes. Acute infection, acute trauma, or medium to large surgery within 1 month prior to screening. History of acute cardiovascular and cerebrovascular diseases. Any organ-system malignancies developed within 5 years except cured local basal cell carcinoma of skin and cervical carcinoma in situ. Confirmed or suspected depression, bipolar disorder, suicidal tendency, schizophrenia, or other serious mental illness. History of alcohol , medication or drug abuse within 1 year prior to screening. Use of any medication or treatment that may cause significant weight change within 3 months. History of bariatric surgery. Subjects participating in QT/QTc studies need to comply with relevant examinations. Known or suspected hypersensitivity to trial product(s) or related products. Participation in other clinical trials within 3 month prior to screening. History of blood donation or blood loss in the 3 months before screening, or blood transfusion in the 2 months before screening Surgery is planned during the trial. Mentally incapacitated or speech-impaired. Female who is pregnant, breast-feeding or intends to become pregnant or is of childbearing potential and not using an adequate contraceptive method. Researchers and relevant staff of the research Centre or other people directly involved in the implementation of the programme, and their immediate family members. In the judgment of the investigator, there are circumstances that affect the safety of the subject or any other interference with the evaluation of the test results.

Ages Eligible for Study
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Minimum Age: 18 Years
Maximum Age: 65 Years

Sexes Eligible for Study
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All

Accepts Healthy Volunteers
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No

Study Plan
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How is the study designed?
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Design Details

Primary Purpose: Treatment
Allocation: Randomized
Intervention Model: Parallel Assignment
Masking: Triple


Arms and Interventions

| Participant Group/Arm | Intervention/Treatment |
| --- | --- |
| Experimental: HRS9531 injection<br> | Drug: HRS9531 injection<br>* HRS9531 injection , QW，36 weeks<br>|
| Placebo Comparator: HRS9531 injection Placebo<br> | Drug: HRS9531 injection Placebo<br>* HRS9531 injection Placebo，QW，36 weeks<br>|

What is the study measuring?
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Primary Outcome Measures

| Outcome Measure | Measure Description | Time Frame |
| --- | --- | --- |
| Percentage change in body weight |  | Week 0, Week 36 | 

Secondary Outcome Measures

| Outcome Measure | Measure Description | Time Frame |
| --- | --- | --- |
| Proportion of Subjects with weight loss of ≥5% from baseline in body weight after 36 weeks of treatment |  | Week 36 | 
| Proportion of Subjects with weight loss of ≥10% from baseline in body weight after 36 weeks of treatment |  | Week 36 | 
| Proportion of Subjects with weight loss of ≥15% from baseline in body weight after 36 weeks of treatment |  | Week 36 | 
| Change from baseline in body weight after 36 weeks of treatment |  | Week 0, Week 36 | 
| Change from baseline in waist circumference after 36 weeks of treatment |  | Week 0, Week 36 | 
| Change from baseline in BMI after 36 weeks of treatment |  | Week 0, Week 36 | 
| Change from baseline in blood pressure after 36 weeks of treatment |  | Week 0, Week 36 | 
| Change from baseline in total cholesterol after 36 weeks of treatment |  | Week 0, Week 36 | 
| Change from baseline in fasting plasma glucose (FPG) after 36 weeks of treatment |  | Week 0, Week36 | 
| Change from baseline in glycosylated haemoglobin (HbA1c) after 36 weeks of treatment |  | Week 0, Week 36 | 
| Number of AEs During the Trial |  | Week 0 to Week 36 |