AMAZE 13: A Research Study Investigating How Well the Medicine Zenagamtide Helps People in Asia With Excess Body Weight Lose Weight

The purpose of this clinical study is to find out if zenagamtide is safe and effective for treating people who have excess body weight. There are 2 study treatments in this study taken as injections under the skin once a week. Participants will either get zenagamtide (the treatment being tested) or placebo (a treatment that has no active medicine in it). Which treatment participants get is decided by chance.

Inclusion Criteria: * Male or female (sex assigned at birth, inclusive of all gender identities). * Age 18 years or above at the time of signing the informed consent Exclusion Criteria: * Glycated haemoglobin (HbA1c) ≥ 6.5% (48 mmol/mol) as measured by the central laboratory at screening. * History of type 1 or type 2 diabetes mellitus. * Treatment with glucagon-like-peptide-1 (GLP-1) receptor agonists (RA), dual GLP-1/gastric inhibitory peptide (GIP) RAs (or any other GLP-1 based treatment) or amylin analogues before screening.