A Study of CM310 in Subjects With Moderate to Severe Asthma

This trial is studying an experimental drug called CM310 — a biologic injection (similar to dupilumab) that blocks a key inflammatory pathway — in people with moderate to severe asthma that is not well-controlled. **You may be eligible if...** - You are 12–75 years old and weigh at least 40 kg - You have been diagnosed with asthma for at least 1 year - Your breathing tests (spirometry) show reduced lung function, and you respond to a bronchodilator - You have had asthma symptoms that are not well-controlled despite current medication, or have needed oral steroids or been hospitalized for asthma **You may NOT be eligible if...** - You have another significant lung disease (e.g. COPD, active lung infection) - You have been on high-dose oral steroids for a long time or received biologic asthma therapy recently - You smoke heavily (over 10 cigarettes/day) - You are pregnant or breastfeeding Talk to your doctor to see if this trial is right for you.