**Study Summary** This study examines the effects of a medication called **KAI-9531** on people with diabetes and obesity. **KAI-9531** is given as a shot under the skin once a week. The study aims to see if this medication helps people lose weight and manage their blood sugar levels better. **Key Points to Consider:** - **Participation Duration**: The study involves regular weekly visits for injections. - **Eligibility**: Participants must have type 2 diabetes and meet certain health criteria. - **Risks/Considerations**: Participants should not have other types of diabetes or certain health conditions like severe depression or chronic pancreatitis. People interested should have tried to lose weight before and be on stable diabetes treatment. It's important to note that this study is not suitable for those with type 1 diabetes or those who have had recent severe health issues.