The number after each condition is how many registered trials in our index study it or a narrower condition, all years and all statuses. Each link opens the full list.
Top A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
- Lung Neoplasms (5,252 trials)
- Leukemia, Myeloid, Acute (3,581 trials)
- Lymphoma (3,015 trials)
- Leukemia (2,378 trials)
- Low Back Pain (2,355 trials)
- Lymphoma, Non-Hodgkin (2,287 trials)
- Leukemia, Lymphocytic, Chronic, B-Cell (2,018 trials)
- Lymphoma, Follicular (1,873 trials)
- Lymphoma, Large B-Cell, Diffuse (1,824 trials)
- Liver Neoplasms (1,286 trials)
- Liver Cirrhosis (1,263 trials)
- Lymphoma, Mantle-Cell (1,209 trials)
- Lupus Erythematosus, Systemic (1,178 trials)
- Lung Diseases (1,153 trials)
- Leukemia, Myelogenous, Chronic, BCR-ABL Positive (876 trials)
- Lymphoma, B-Cell, Marginal Zone (863 trials)
- Liver Diseases (822 trials)
- Lymphoma, B-Cell (775 trials)
- Lung Diseases, Interstitial (638 trials)
- Lymphoma, T-Cell, Cutaneous (550 trials)
- Leukemia, Myelomonocytic, Chronic (540 trials)
- Lymphoma, Large-Cell, Immunoblastic (490 trials)
- Lymphedema (480 trials)
- Leukemia, Myeloid, Chronic-Phase (438 trials)
- Leiomyoma (422 trials)
- Labor Pain (418 trials)
- Lower Urinary Tract Symptoms (397 trials)
- Lymphoma, Large-Cell, Anaplastic (394 trials)
- Lymphoma, T-Cell, Peripheral (360 trials)
- Lupus Nephritis (331 trials)
- Leukemia, Myeloid, Accelerated Phase (318 trials)
- Lymphoma, T-Cell (276 trials)
- Lymphoma, Extranodal NK-T-Cell (269 trials)
- Learning Disabilities (266 trials)
- Laryngeal Neoplasms (256 trials)
- Leukemia, Biphenotypic, Acute (245 trials)
- Leukemia, Hairy Cell (237 trials)
- Lewy Body Disease (236 trials)
- Liver Cirrhosis, Biliary (212 trials)
- Leukemia, Myeloid, Chronic, Atypical, BCR-ABL Negative (209 trials)
- Lymphatic Metastasis (209 trials)
- Lymphoproliferative Disorders (202 trials)
- Lung Diseases, Obstructive (199 trials)
- Latent Tuberculosis (198 trials)
- Leukemia, Monocytic, Acute (193 trials)
- Leukemia, Myelomonocytic, Acute (187 trials)
- Leukemia, B-Cell (186 trials)
- Language (183 trials)
- Liver Failure (180 trials)
- Lipid Metabolism Disorders (176 trials)
- Leukemia, Erythroblastic, Acute (175 trials)
- Leukemia, Prolymphocytic (172 trials)
- Leukemia, Megakaryoblastic, Acute (171 trials)
- Liposarcoma (158 trials)
- Leiomyosarcoma (157 trials)
- Laryngeal Diseases (146 trials)
- Leukemia, Large Granular Lymphocytic (142 trials)
- Leg Ulcer (141 trials)
- Lacerations (139 trials)
- Leukemia, Myeloid (135 trials)
- Lichen Planus, Oral (135 trials)
- Leukemia, Promyelocytic, Acute (130 trials)
- Lipodystrophy (130 trials)
- Leukemia, Myelomonocytic, Juvenile (125 trials)
- Lysosomal Storage Diseases (123 trials)
- Language Development Disorders (118 trials)
- Leukemia, Neutrophilic, Chronic (112 trials)
- Lethargy (104 trials)
- Lung Injury (103 trials)
- Leishmaniasis, Cutaneous (102 trials)
- Lymphohistiocytosis, Hemophagocytic (102 trials)
- Long QT Syndrome (101 trials)
- Liver Failure, Acute (96 trials)
- Lyme Disease (94 trials)
- Literacy (93 trials)
- Leukemia, Lymphoid (89 trials)
- Lipedema (83 trials)
- Lymphatic Diseases (83 trials)
- Language Disorders (81 trials)
- Low Anterior Resection Syndrome (80 trials)
- Liver Diseases, Alcoholic (73 trials)
- Leishmaniasis (71 trials)
- Lennox Gastaut Syndrome (68 trials)
- Lichen Planus (66 trials)
- Leg Injuries (65 trials)
- Low Tension Glaucoma (65 trials)
- Lupus Erythematosus, Cutaneous (65 trials)
- Lecithin Cholesterol Acyltransferase Deficiency (62 trials)
- Leishmaniasis, Visceral (61 trials)
- Leukemia, Mast-Cell (60 trials)
- Leukemia, Eosinophilic, Acute (59 trials)
- Leukemia, Plasma Cell (58 trials)
- Leukemia, Basophilic, Acute (55 trials)
- Lymphadenopathy (55 trials)
- Laryngopharyngeal Reflux (53 trials)
- Lactose Intolerance (52 trials)
- Leprosy (51 trials)
- Leukodystrophy, Metachromatic (49 trials)
- Lymphangioleiomyomatosis (48 trials)
- Leukoplakia, Oral (46 trials)
- Liver Cirrhosis, Alcoholic (43 trials)
- Lymphoid Interstitial Pneumonia (43 trials)
- Lupus Erythematosus, Discoid (42 trials)
- Lymphatic Abnormalities (42 trials)
- Lymphopenia (42 trials)
- Leukomalacia, Periventricular (40 trials)
- Liposarcoma, Myxoid (40 trials)
- Leukoencephalopathies (38 trials)
- Lacrimal Apparatus Diseases (36 trials)
- Limbal Stem Cell Deficiency (35 trials)
- Leber Congenital Amaurosis (32 trials)
- Leukemia, T-Cell (32 trials)
- Leukemia-Lymphoma, Adult T-Cell (31 trials)
- Leukodystrophy, Globoid Cell (31 trials)
- Leg Length Inequality (30 trials)
- Leukemia, Prolymphocytic, T-Cell (30 trials)
- Lacrimal Duct Obstruction (29 trials)
- Leukoencephalopathy, Progressive Multifocal (29 trials)
- Lichen Sclerosus et Atrophicus (29 trials)
- Leukopenia (28 trials)
- Lice Infestations (28 trials)
- Lordosis (28 trials)
- Lead Poisoning (27 trials)
- Laughter (26 trials)
- Legg-Calve-Perthes Disease (25 trials)
- Lymphoma, AIDS-Related (25 trials)
- Leptospirosis (24 trials)
- Li-Fraumeni Syndrome (24 trials)
- Lymphocele (24 trials)
- Lipid Metabolism, Inborn Errors (23 trials)
- Lambert-Eaton Myasthenic Syndrome (22 trials)
- Labyrinth Diseases (21 trials)
- Leishmaniasis, Mucocutaneous (21 trials)
- Leukoplakia (21 trials)
- Leigh Disease (20 trials)
- Lip Neoplasms (20 trials)
- Lipodystrophy, Familial Partial (20 trials)
- Lassa Fever (19 trials)
- Lipoma (19 trials)
- Locked-In Syndrome (19 trials)
- Lyme Neuroborreliosis (19 trials)
- Lymphoma, Primary Effusion (19 trials)
- Lens Diseases (18 trials)
- Lens Subluxation (18 trials)
- Lipodystrophy, Congenital Generalized (18 trials)
- Leukocyte adhesion deficiency type 1 (16 trials)
- Lipidoses (16 trials)
- Leukemia, Prolymphocytic, B-Cell (15 trials)
- Long Qt Syndrome 3 (15 trials)
- Laryngismus (14 trials)
- Leukoaraiosis (14 trials)
- Long Term Adverse Effects (14 trials)
- Lentigo (13 trials)
- Leukocyte Disorders (13 trials)
- Liver Abscess (13 trials)
- Lymphangioma (13 trials)
- Laryngitis (12 trials)
- Loiasis (12 trials)
- Lactation Disorders (11 trials)
- Laryngomalacia (11 trials)
- Lentivirus Infections (11 trials)
- Limb-girdle muscular dystrophy, type 2C (11 trials)
- Lithiasis (11 trials)
- Loeys-Dietz Syndrome (11 trials)
- Lethal Congenital Contracture Syndrome 2 (10 trials)
- Lymphoma, Primary Cutaneous Anaplastic Large Cell (10 trials)
- Laryngeal Edema (9 trials)
- Limb-girdle muscular dystrophy type 2A (9 trials)
- Limb-girdle muscular dystrophy, type 2B (9 trials)
- Lung Diseases, Fungal (9 trials)
- Lagophthalmos (8 trials)
- Laryngostenosis (8 trials)
- Latent Autoimmune Diabetes in Adults (8 trials)
- Leukocytosis (8 trials)
- Lipodystrophy, Partial, Acquired (8 trials)
- Lymphomatoid Papulosis (8 trials)
- Labyrinthitis (7 trials)
- Lung Abscess (7 trials)
- Lupus Vasculitis, Central Nervous System (7 trials)
- Laminopathies (6 trials)
- Laryngeal papillomatosis (6 trials)
- Leber Congenital Amaurosis 10 (6 trials)
- Legionnaires' Disease (6 trials)
- Leriche Syndrome (6 trials)
- Lesch-Nyhan Syndrome (6 trials)
- Levator syndrome (6 trials)
- Limb-girdle muscular dystrophy, type 2E (6 trials)
- Liver Abscess, Pyogenic (6 trials)
- Lymphangioma, Cystic (6 trials)
- Legius syndrome (5 trials)
- Leprosy, Multibacillary (5 trials)
- Leukocyte-Adhesion Deficiency Syndrome (5 trials)
- Lymphadenitis (5 trials)
- Lymphocytosis (5 trials)
- Lymphomatoid Granulomatosis (5 trials)
- Lymphoproliferative Syndrome, X-Linked, 2 (5 trials)