COHORT STUDY

This study looks at whether adding a biologic drug to standard treatment can reduce flare-ups in people with allergic bronchopulmonary aspergillosis (ABPA) and severe asthma. About 50 adults will receive a biologic for at least 4 months while continuing their usual asthma medicat…

This study aims to see if a common vein treatment called radiofrequency ablation is safe and helpful for people aged 80 and older with severe chronic venous insufficiency. About 50 participants will receive the procedure and be followed for 6 months. The goal is to measure how we…

This study follows 425 adults with recent psoriatic arthritis (PsA) for up to 10 years to see how many develop joint damage and what factors predict it. Researchers will use X-rays and other data to identify early signs of aggressive disease. The goal is to help doctors decide wh…

This study follows 1,088 newborns in Colombia and Panama until age 5 to learn how often respiratory infections happen, which viruses or bacteria cause them, and why some children get sicker than others. Families report symptoms twice a week and provide nasal and blood samples dur…

This study follows one million adults in northwest China to understand how different diseases develop over time. Researchers collect data from yearly health checkups, medical records, and death registries. The goal is to learn more about preventing and managing diseases like hear…