Efficacy and Safety of Liraglutide on Body Weight in Obese Subjects or Overweight Subjects With Co-morbidities

Inclusion Criteria: * Informed consent obtained before any trial-related activity takes place * Obesity (BMI ≥30.0 kg/m2); or overweight (BMI ≥27.0 kg/m2) with treated or untreated co-morbid dyslipidemia (Low-density lipoprotein ≥3.38mmol/l (130 mg/dl), or triglycerides ≥1.7mmol/l (150 mg/dl), or high-density lipoprotein \<1.04mmol/l (40 mg/dl) for males and \<1.30mmol/l (50 mg/dl) for females) and/or hypertension (Systolic blood pressure ≥140 mmHg or diastolic blood pressure ≥90 mmHg) * Age ≥18 years, ≤75 years Exclusion Criteria: * Diagnosis of type 1 or type 2 diabetes per the judgment of the investigator * HbA1c ≥6.5% or fasting plasma glucose ≥7.0 mmol/l or 2-hour post-challenge plasma glucose ≥11.1 mmol/liter (at screening) * less than 5 kg self-reported change during the previous 3 months * Previous treatment with GLP-1 receptor agonists (including liraglutide or exenatide) within the last 3 months * Known or suspected hypersensitivity to trial product, related products or other GLP-1 receptor agonist * Diet attempts using herbal supplements or over-the-counter medications within 1 months before screening, or use prescription drugs for weight loss within 3 months before screening (for example: orlistat, fenfluramine, maindole ) Or lipid dissolving injection (for example: lipolysis needle) treatment * Current or history of treatment with medications that may cause significant weight gain, within 3 months prior to screening, including systemic corticosteroids (more th…