COMORBIDITIES

This study compares starting with two oral medications (tadalafil and ambrisentan) versus one medication alone in people newly diagnosed with pulmonary arterial hypertension (PAH) who also have at least two heart-related conditions. The goal is to see if the two-drug approach lea…

This study tests a new, personalized version of a weight-loss surgery called SADI-S. Surgeons will measure each patient's small intestine and adjust the bypass length to maximize weight loss while lowering the risk of vitamin deficiencies. The study includes 40 adults with obesit…

This study follows 100 obese patients starting dialysis to understand why they are less likely to receive a kidney transplant. Researchers will track health changes over two years and compare them to non-obese patients. The goal is to identify barriers and improve access to trans…

This study aims to create a large database and sample bank to better understand headaches. Researchers will collect health information and treatment records from 50,000 people with headaches. The goal is to develop a system that helps doctors diagnose and treat headaches more pre…

This study looks at whether bladder tumor surgery and general anesthesia can cause short-term memory or thinking problems. Researchers will test 42 adults before and after surgery using simple cognitive tests and blood markers of brain injury. The goal is to understand who might …