**Study on DII235 for Elevated Lipoprotein(a)** This study checks how safe and effective a new drug, DII235, is for adults with high levels of lipoprotein(a) - a type of fat in the blood that can cause heart problems. Adults aged 18 to 80 with high lipoprotein(a) levels and conditions like heart disease or type 2 diabetes can join. You can't join if you have serious kidney or liver problems, cancer in the last five years, or if you're taking other experimental drugs. **Key Points:** - **Duration & Visits:** The study length and number of visits will be shared by the research team. - **Compensation:** Participants may receive compensation for their time and travel. - **Risks & Benefits:** Potential risks include side effects. Benefits include contributing to medical research and possibly improving your condition. To join, you must understand and agree to the study rules. Always talk to your doctor before participating in medical research. **Eligibility:** You must agree to participate and be in the specified age range. The study checks if you meet all health criteria.