A Study of JMT203 in Patients With Cancer Cachexia

This study is testing a new drug called JMT203 to help people with cancer who are experiencing severe, unintended weight loss and muscle wasting — a condition called cancer cachexia. The drug aims to improve nutrition and quality of life alongside ongoing cancer treatment. **You may be eligible if...** - You are 18 years old or older - You have a confirmed solid tumor cancer (such as lung, pancreatic, or colorectal cancer) - You have lost more than 5% of your body weight in the past 6 months without trying, or more than 2% if your BMI is below 18.5 - Your cancer treatment has been stable with no major changes recently **You may NOT be eligible if...** - Your cancer has been progressing quickly and your treatment plan is expected to change soon - You do not meet the weight loss criteria for cancer cachexia - You are not willing to participate or cannot sign the consent form Talk to your doctor to see if this trial is right for you.