| Management of Patent Ductus in Premature Infants (NCT00000494) | National Heart, Lung, and Blood Institute (NHLBI) | 1978-09-01 |
| Coronary-Prone Behavior and Cardiovascular Reactivity (NCT00005144) | National Heart, Lung, and Blood Institute (NHLBI) | 1978-08-01 |
| Etiology and Prevalence of Peripheral Arterial Disease (NCT00005142) | National Heart, Lung, and Blood Institute (NHLBI) | 1978-07-01 |
| Cooperative Study of Factor VIII Inhibitors (NCT00000582) | National Heart, Lung, and Blood Institute (NHLBI) | 1978-07-01 |
| Diffuse Fibrotic Lung Disease (NCT00000596) | National Heart, Lung, and Blood Institute (NHLBI) | 1978-06-01 |
| Evaluation of Subcutaneous Desferrioxamine as Treatment for Transfusional Hemochromatosis (NCT00000595) | National Heart, Lung, and Blood Institute (NHLBI) | 1978-01-01 |
| Early Risk Predictors For Chronic Pulmonary Disease (NCT00005281) | National Heart, Lung, and Blood Institute (NHLBI) | 1977-09-01 |
| Multicenter Investigation of Limitation of Infarct Size (MILIS) (NCT00000493) | National Heart, Lung, and Blood Institute (NHLBI) | 1977-09-01 |
| Epidemiology of Cardiovascular and Non-Cardiovascular Risk In Chicago (NCT00005140) | National Heart, Lung, and Blood Institute (NHLBI) | 1977-09-01 |
| Minneapolis Children's Blood Pressure Study (NCT00005141) | National Heart, Lung, and Blood Institute (NHLBI) | 1977-09-01 |
| Beta-Blocker Heart Attack Trial (BHAT) (NCT00000492) | National Heart, Lung, and Blood Institute (NHLBI) | 1977-09-01 |
| Cooperative Study of The Clinical Course of Sickle Cell Disease (NCT00005277) | National Heart, Lung, and Blood Institute (NHLBI) | 1977-09-01 |
| Clinical Study of Intermittent Positive Pressure Breathing (IPPB) (NCT00000565) | National Heart, Lung, and Blood Institute (NHLBI) | 1976-11-01 |
| Lipoprotein Metabolism in Normal Volunteers and Patients With High Levels of Lipoproteins (NCT00001154) | National Heart, Lung, and Blood Institute (NHLBI) | 1976-09-03 |
| Granulocyte Transfusion Study (NCT00000581) | National Heart, Lung, and Blood Institute (NHLBI) | 1976-09-01 |
| Nocturnal Oxygen Therapy (NCT00000564) | National Heart, Lung, and Blood Institute (NHLBI) | 1976-07-01 |
| High Blood Pressure in the Young (NCT00005138) | National Heart, Lung, and Blood Institute (NHLBI) | 1976-06-01 |
| Prevention of Neonatal Respiratory Distress Syndrome With Antenatal Steroid Administration (NCT00000563) | National Heart, Lung, and Blood Institute (NHLBI) | 1976-06-01 |
| Interruption of Maternal-to-Infant Transmission of Hepatitis B by Means of Hepatitis B Immune Globulin (NCT00000580) | National Heart, Lung, and Blood Institute (NHLBI) | 1975-11-01 |
| Aspirin-Myocardial Infarction Study (AMIS) (NCT00000491) | National Heart, Lung, and Blood Institute (NHLBI) | 1974-10-01 |
| Extracorporeal Support for Respiratory Insufficiency (ECMO) (NCT00000562) | National Heart, Lung, and Blood Institute (NHLBI) | 1974-06-01 |
| Lipid Research Clinics Coronary Primary Prevention Trial (CPPT) (NCT00000488) | National Heart, Lung, and Blood Institute (NHLBI) | 1973-06-01 |
| Lipid Research Clinics Population Studies (NCT00005128) | National Heart, Lung, and Blood Institute (NHLBI) | 1972-07-01 |
| Specialized Center of Research in Occupational and Immunologic Lung Disease (NCT00005280) | National Heart, Lung, and Blood Institute (NHLBI) | 1972-06-01 |
| Unstable Angina Pectoris Trial (NCT00000486) | National Heart, Lung, and Blood Institute (NHLBI) | 1972-01-01 |
| NHLBI Type II Coronary Intervention Study (NCT00000594) | National Heart, Lung, and Blood Institute (NHLBI) | 1971-11-01 |
| Muscatine Heart Study (NCT00005127) | National Heart, Lung, and Blood Institute (NHLBI) | 1971-06-01 |
| Tucson Epidemiology Study of Chronic Obstructive Lung Diseases (NCT00005279) | National Heart, Lung, and Blood Institute (NHLBI) | 1971-06-01 |
| Hypertension Detection and Follow-up Program (HDFP) (NCT00000485) | National Heart, Lung, and Blood Institute (NHLBI) | 1971-05-01 |
| NAS-NRC Twin Registry (NCT00005125) | National Heart, Lung, and Blood Institute (NHLBI) | 1970-07-01 |
| National Heart, Lung, and Blood Institute Twin Study (NCT00005124) | National Heart, Lung, and Blood Institute (NHLBI) | 1969-07-01 |
| Treatment of Hypertension (NCT00000484) | National Heart, Lung, and Blood Institute (NHLBI) | 1966-04-01 |
| Honolulu Heart Program (NCT00005123) | National Heart, Lung, and Blood Institute (NHLBI) | 1965-07-01 |
| Coronary Drug Project (NCT00000482) | National Heart, Lung, and Blood Institute (NHLBI) | 1965-04-01 |
| Evans County Studies (NCT00005122) | National Heart, Lung, and Blood Institute (NHLBI) | 1958-07-01 |
| Framingham Heart Study (NCT00005121) | National Heart, Lung, and Blood Institute (NHLBI) | 1948-07-01 |
| Women's Health Initiative (WHI) (NCT00000611) | National Heart, Lung, and Blood Institute (NHLBI) | |
| Fluids and Catheters Treatment Trial (FACTT) - ARDS Clinical Research Network (NCT00281268) | National Heart, Lung, and Blood Institute (NHLBI) | |
| Peripheral Stem Cell Transplant in Treating Patients With High-Risk Leukemia (NCT00066417) | National Heart, Lung, and Blood Institute (NHLBI) | |