This study is testing a new medicine called AZD8630 for adults with asthma that isn't well controlled. Asthma is a condition that makes it hard to breathe because of swollen airways. The study will use a dry powder inhaler to give different doses of AZD8630. The goal is to find the right dose that helps asthma symptoms and is safe. People in the study might take part for up to 57 weeks or 17 weeks, depending on their group. The study is happening in 220 places worldwide with about 516 people.

• The study lasts up to 57 weeks for some participants.
• AZD8630 is given through an inhaler.
• The study is global, with 220 centers involved.

To join, you need to be 18-80 years old and have asthma that isn't controlled. There are other requirements, like not having other serious lung diseases or infections. If you are pregnant, you cannot join. The study helps understand if AZD8630 can make asthma better, but it might not be suitable for everyone. Always talk to your doctor or healthcare provider to see if participating is a good idea for you.