The Efficacy and Safety of Liraglutide on Body Weight Loss in Obese and Overweight Patients

Liraglutide Injection, once a day, injected subcutaneously on the sites of abdomen, thigh or upper arm. The initial dose of Liraglutide Injection will be 0.6 mg per day. The dose is escalated every one to two weeks to reduce the gastrointestinal symptoms. At Week 7, the dose is increased to 3.0 mg per day. For the subjects who are not able to tolerate the target dose of 3.0 mg,the dose is reduced to 2.4 mg a day and escalated to the dose to 3.0 mg within two weeks. If the subjects are still unable to tolerate this dose (3.0 mg), the treatment is terminated.

Placebo Injection, once a day, injected subcutaneously on the sites of abdomen, thigh or upper arm. The initial dose of Placebo Injection will be 0.6 mg per day. The dose is escalated every one to two weeks to reduce the gastrointestinal symptoms. At Week 7, the dose is increased to 3.0 mg per day. For the subjects who are not able to tolerate the target dose of 3.0 mg,the dose is reduced to 2.4 mg a day and escalated to the dose to 3.0 mg within two weeks. If the subjects are still unable to tolerate this dose (3.0 mg), the treatment is terminated.