A Study of Once-daily Oral ASC30 to Evaluate the Efficacy and Safety in Adult Participants With Obesity or Overweight With Weight-Related Comorbidities

Inclusion Criteria: 1. Participant must be ≥18 years of age inclusive, or the legal age of consent in the jurisdiction in which the study is taking place at screening. 2. Have a BMI ≥ 30 kg/m2 or a BMI ≥ 27 kg/m2 and presence of at least 1 of the following weight-related comorbidities (treated or untreated) at screening: * Hypertension * Dyslipidemia * Obstructive sleep apnea * Cardiovascular disease (for example, ischemic cardiovascular disease, New York Heart Association Functional Class I-III heart failure). 3. Have a history of at least 1 self-reported unsuccessful dietary effort to lose body weight. Exclusion Criteria: 1. Have any prior diagnosis of diabetes mellitus (T1DM or T2DM), or any other types of diabetes, history of ketoacidosis, or hyperosmolar state/coma. Participants with a history of gestational diabetes are eligible to participate in this trial. 2. Have a self-reported change in body weight \>5 kg (11 pounds) within 3 months prior to screening. 3. Have an estimated glomerular filtration rate (eGFR) \< 15 mL/min/1.73 m2, as determined by the laboratory at screening. 4. Have a history of acute or chronic pancreatitis any time prior to screening. 5. Have known allergies or intolerance to other glucagon-like peptide-1 Receptor Agonists (GLP-1 RA) analogs. 6. Participants with a personal or family (first-degree relative) history of medullary thyroid carcinoma (MTC) or multiple endocrine neoplasia (MEN) syndrome type 2. 7. Are currently enrolled in any other clinical study involving an investigational product or any other type of medical research judged not to be scientifically or medically compatible with this study at the investigator's discretion.