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      Health Information and Clinical Trials
        
            Get science-based information related on heart, lung, blood, and sleep disorders from the NHLBI.
      
                          Last updated July 11, 2022
Health Information and Clinical Trials
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        What are Clinical Trials & How to Participate
                    Clinical trials are medical studies that involve people like you. They help find new ways to prevent, detect, or treat diseases that are safe and effective.
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Where can I find information from the NHLBI about specific heart, lung, blood, and sleep disorders or related topics?

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            testPublications may be downloaded in PDF format or ordered from the NHLBI’s Center for Health Information through our Publications and Resources Online Catalog. You can also:

Order by phone: Call the NHLBI CHI at 1-877-NHLBI4U (1-877-645-2448) between 8:30 a.m. and 5 p.m. ET, Monday through Friday (closed Federal holidays).
	Order by mail: NHLBI Center for Health Information, P.O. Box 30105, Bethesda, MD 20824-0105
	Order by email: Center for Health Information, nhlbiinfo@nhlbi.nih.gov

          
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            Stethoscope and red heart lying on cardiogram.The NHLBI is a biomedical research organization. As such, the NHLBI only enrolls patients who are participating in NHLBI clinical research studies. These studies span a wide range of diseases and conditions. More information on clinical trials can be found on the NHLBI and NIH websites. Back To Top Link
  

        

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