NHLBI Clinical Trials

The physicians, nurses, scientists and staff of the National Heart, Lung and Blood Institute (NHLBI) at the National Institutes of Health (NIH) welcome you to our NHLBI Intramural Clinical Trials page for patient recruitment and clinical trial information. We conduct a large number of research studies with patients who have diseases of the heart and blood vessels, lungs, blood cells and bone marrow, or cholesterol. Our studies are performed at the NIH Clinical Center (CC), America's research hospital, located on the NIH campus in Bethesda, Maryland. 

For details about the studies, choose a category by visiting the Browse by Category page.

Participation Information

For more information, please email the NIH Clinical Center Office of Patient Recruitment at cc-prpl@cc.nih.gov or call 1-800-411-1222 (TTY 1-866-411-1010) between the hours of 8 a.m. and 4 p.m. ET, Monday through Friday.


Milena’s Clinical Trial Story

Tuesday, September 23, 2014

Milena suffered a heart attack in 2006. She developed persistent and debilitating angina (chest pain) and was a candidate for an NHLBI-funded stem cell therapy clinical trial led by Dr. Keith Horvath. Milena, her daughter Aglae, and Dr. Horvath discuss Milena’s participation in the trial and her initial results.

Last Updated: March 1, 2017