Pediatric and Adult Immunodeficiency Diagnostic and Treatment Center Clinical Trials For more than 100 years, National Jewish Health has been committed to finding new treatments and cures for diseases. Search our clinical trials. Reasons to Choose National Jewish Health The leading respiratory hospital in the nation and the only one devoted fully to the treatment of respiratory and related illnesses Ranked #1 or #2 in Pulmonology by U.S. News & World Report for 26 consecutive years Ranked in the top 5% of hospitals in the nation by HCAHPS Physicians consistently recognized among the best in the nation by multiple services, including Best Doctors in America and Castle Connolly Among the top 6% of organizations funded for research by the NIH, providing patients access to hundreds of active clinical trials 124-year history of focus on care, research and education serving patients from around the world with lung, heart, immune and related disorders Make an Appointment