COHORT STUDY

This study looks at whether biologic drugs can safely reduce flare-ups in people with allergic bronchopulmonary aspergillosis (ABPA), a lung condition caused by an allergic reaction to a common mold. About 50 adults with severe asthma and a history of asthma attacks will receive …

This study looks at whether a common minimally invasive procedure called radiofrequency ablation (RFA) is safe and helpful for people aged 80 and older with severe chronic venous insufficiency (leg vein problems causing swelling, skin changes, or ulcers). Researchers will enroll …

This study follows 1,088 newborns in Colombia and Panama from birth to age 5 to learn what causes respiratory infections, why some kids get sicker than others, and how early infections affect long-term health. Families report symptoms twice a week via phone app or calls, and prov…

This study follows one million adults in northwest China to understand how common diseases develop over time. Participants provide health data through yearly check-ups and medical records. The goal is to learn more about diseases like heart problems, cancer, and diabetes in the g…

This study follows 425 adults with recent psoriatic arthritis (PsA) for up to 10 years. The goal is to understand why some people develop lasting joint damage while others do not. By tracking X-rays, genetics, and other factors, researchers hope to find early signs of aggressive …