The Effect of SHR20004（Noiiglutide ） on Body Weight in Obese Subjects Without Diabetes

A Multi-center, Randomized, Double-blind, Placebo-controlled，Parallel-group Clinical Trial to Assess the Efficacy and Safety of Noiiglutide Injection in Obese Subjects Without Diabetes.

The study is being conducted to assess the efficacy and safety of SHR20004 on body weight in obese subjects without diabetes.

Inclusion Criteria:

1. Informed consent obtained prior to any trial-related activities
2. Body mass index (BMI) between 28 and 40 kg/m2(both inclusive)
3. Diet and exercise management for at least 3 months before screening and less than 5% change in body weight during the previous 3 months（self-reported）.

Exclusion Criteria:

1. History of endocrine disease or treatment that may significantly affect body weight prior to screening visit
2. History of diabetes
3. Personal or family history of medullary thyroid carcinoma or multiple endocrine neoplasia type 2 (MEN2)
4. History of pancreatitis
5. Previous surgical treatment of obesity
6. Screening calcitonin of 20 ng/L or above