| Clinical Study of Intermittent Positive Pressure Breathing (IPPB) (NCT00000565) | National Heart, Lung, and Blood Institute (NHLBI) | 1976-11-01 |
| Diabetic Retinopathy Vitrectomy Study (DRVS) (NCT00000154) | National Eye Institute (NEI) | 1976-10-01 |
| Induction of Suction Blisters in Patients With Urticaria, Blistering Diseases, Inflammatory Dermatoses and Neoplastic Disorders, and in Normal Volunteers (NCT00001150) | National Cancer Institute (NCI) | 1976-10-01 |
| 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 |
| Obesity and Obesity-Related Factors and Risk of Herpes Zoster (Shingles) and Postherpetic Neuralgia (NCT06638177) | Brigham and Women's Hospital | 1976-06-01 |
| Pigment Dispersion Syndrome With and Without Glaucoma (NCT00001152) | National Eye Institute (NEI) | 1976-06-01 |
| Prevention of Neonatal Respiratory Distress Syndrome With Antenatal Steroid Administration (NCT00000563) | National Heart, Lung, and Blood Institute (NHLBI) | 1976-06-01 |
| High Blood Pressure in the Young (NCT00005138) | National Heart, Lung, and Blood Institute (NHLBI) | 1976-06-01 |
| Visual Function and Ocular Pigmentation in Albinism (NCT00001153) | National Eye Institute (NEI) | 1976-06-01 |
| Carb Quality and CHD in US Adults (NCT03214861) | Harvard School of Public Health (HSPH) | 1976-06-01 |
| Studies With 1,25-Dihydroxycholecalciferol (NCT00001151) | National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK) | 1976-03-01 |
| Genetic Studies of Insulin and Diabetes (NCT00001987) | National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK) | 1976-02-01 |
| Treatment of Wegener's Granulomatosis With Cyclophosphamide (NCT00001155) | National Institute of Allergy and Infectious Diseases (NIAID) | 1976-02-01 |
| Assessment of Patients With Multiple Sclerosis (MS) (NCT00001156) | National Institute of Neurological Disorders and Stroke (NINDS) | 1976-01-23 |
| The Copenhagen City Heart Study (NCT02993172) | Bispebjerg Hospital | 1976-01-01 |
| Diet Quality and Genetic Association With Body Mass Index: Results From Three Observational Studies (NCT03577639) | Harvard School of Public Health (HSPH) | 1976-01-01 |
| Children and Adolescents Receiving Mechanical and Prosthetic Valves (NCT00268008) | Children's Healthcare of Atlanta | 1976-01-01 |