Conditions
Clinical trial activity by condition
4,550 diseases and conditions with at least one registered trial. Pick one to see its trials by phase and year, sponsors, drugs and publications. Free to read.
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Condition pages per category, the 8 largest of 24
Each category lists the 10 conditions with the most trials. Condition pages link on to their MeSH parents and sub-conditions.
Nervous System Diseases 614
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Nervous System Diseases 76,075 trials
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Neurologic Manifestations 45,371 trials
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Central Nervous System Diseases 41,476 trials
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Brain Diseases 37,155 trials
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Cerebrovascular Disorders 12,768 trials
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Neurodegenerative Diseases 12,309 trials
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Neuromuscular Diseases 9,868 trials
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Stroke 9,725 trials
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Neurobehavioral Manifestations 9,221 trials
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Sleep Wake Disorders 7,373 trials
Neoplasms 609
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Neoplasms 106,410 trials
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Neoplasms by Site 72,505 trials
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Neoplasms by Histologic Type 43,324 trials
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Digestive System Neoplasms 21,682 trials
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Neoplasms, Glandular and Epithelial 18,792 trials
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Urogenital Neoplasms 16,714 trials
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Gastrointestinal Neoplasms 14,385 trials
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Breast Neoplasms 14,335 trials
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Carcinoma 13,907 trials
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Respiratory Tract Neoplasms 12,067 trials
Infections 570
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Infections 46,234 trials
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Virus Diseases 26,255 trials
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RNA Virus Infections 21,272 trials
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Respiratory Tract Infections 14,662 trials
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Communicable Diseases 12,083 trials
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Blood-Borne Infections 10,358 trials
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Pneumonia 10,067 trials
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Coronaviridae Infections 8,346 trials
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Coronavirus Infections 8,346 trials
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Nidovirales Infections 8,346 trials
Pathological Conditions, Signs and Symptoms 308
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Pathological Conditions, Signs and Symptoms 143,308 trials
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Pathologic Processes 76,875 trials
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Signs and Symptoms 75,414 trials
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Disease Attributes 29,192 trials
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Pain 26,393 trials
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Chronic Disease 18,711 trials
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Body Weight 15,131 trials
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Postoperative Complications 10,338 trials
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Pathological Conditions, Anatomical 8,280 trials
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Inflammation 7,551 trials
Musculoskeletal Diseases 302
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Musculoskeletal Diseases 27,975 trials
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Joint Diseases 14,130 trials
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Arthritis 10,954 trials
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Rheumatic Diseases 10,893 trials
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Bone Diseases 8,078 trials
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Muscular Diseases 6,520 trials
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Osteoarthritis 5,594 trials
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Arthritis, Rheumatoid 3,569 trials
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Spinal Diseases 3,224 trials
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Osteoarthritis, Knee 3,185 trials
Urogenital Diseases 278
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Urogenital Diseases 54,485 trials
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Female Urogenital Diseases and Pregnancy Complications 37,418 trials
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Female Urogenital Diseases 30,355 trials
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Genital Diseases 28,924 trials
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Male Urogenital Diseases 28,325 trials
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Urologic Diseases 19,131 trials
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Kidney Diseases 13,204 trials
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Genital Diseases, Female 11,148 trials
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Genital Diseases, Male 9,189 trials
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Pregnancy Complications 7,505 trials
Cardiovascular Diseases 267
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Cardiovascular Diseases 64,430 trials
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Vascular Diseases 45,874 trials
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Heart Diseases 28,053 trials
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Myocardial Ischemia 10,385 trials
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Arterial Occlusive Diseases 8,239 trials
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Arteriosclerosis 7,690 trials
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Hypertension 7,463 trials
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Coronary Disease 6,142 trials
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Heart Failure 5,838 trials
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Arrhythmias, Cardiac 5,739 trials
Digestive System Diseases 216
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Digestive System Diseases 46,207 trials
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Gastrointestinal Diseases 26,417 trials
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Intestinal Diseases 17,206 trials
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Liver Diseases 13,130 trials
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Colonic Diseases 10,887 trials
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Rectal Diseases 8,736 trials
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Pancreatic Diseases 6,430 trials
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Gastroenteritis 5,679 trials
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Esophageal Diseases 5,171 trials
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Hepatitis 4,422 trials
Congenital / Hereditary / Neonatal 155
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Genetic Diseases, Inborn 16,987 trials
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Congenital Abnormalities 8,167 trials
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Infant, Newborn, Diseases 3,634 trials
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Metabolism, Inborn Errors 3,417 trials
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Skin Diseases, Genetic 2,378 trials
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Genetic Diseases, X-Linked 1,704 trials
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Dermatitis, Atopic 1,506 trials
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Abnormalities, Multiple 1,437 trials
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Lipid Metabolism, Inborn Errors 1,138 trials
Hemic and Lymphatic Diseases 152
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Hemic and Lymphatic Diseases 29,386 trials
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Hematologic Diseases 22,167 trials
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Lymphoproliferative Disorders 14,435 trials
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Lymphatic Diseases 12,758 trials
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Hemorrhagic Disorders 6,374 trials
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Anemia 4,659 trials
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Bone Marrow Diseases 4,312 trials
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Paraproteinemias 4,255 trials
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Blood Protein Disorders 4,252 trials
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Myelodysplastic Syndromes 2,297 trials
Eye Diseases 148
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Eye Diseases 14,560 trials
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Retinal Diseases 3,596 trials
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Ocular Hypertension 2,146 trials
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Glaucoma 2,106 trials
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Retinal Degeneration 2,009 trials
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Refractive Errors 1,931 trials
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Macular Degeneration 1,695 trials
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Lacrimal Apparatus Diseases 1,691 trials
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Dry Eye Syndromes 1,631 trials
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Lens Diseases 1,464 trials
Respiratory Tract Diseases 143
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Respiratory Tract Diseases 52,141 trials
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Lung Diseases 39,862 trials
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Lung Diseases, Obstructive 10,533 trials
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Respiration Disorders 8,895 trials
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Bronchial Diseases 6,261 trials
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Respiratory Hypersensitivity 5,587 trials
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Pulmonary Disease, Chronic Obstructive 5,375 trials
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Asthma 4,534 trials
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Apnea 3,112 trials
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Sleep Apnea Syndromes 2,929 trials
Stomatognathic Diseases 135
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Stomatognathic Diseases 12,640 trials
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Mouth Diseases 7,312 trials
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Tooth Diseases 3,960 trials
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Periodontal Diseases 3,954 trials
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Pharyngeal Diseases 2,349 trials
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Periodontitis 1,810 trials
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Gingival Diseases 1,131 trials
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Tooth Demineralization 1,083 trials
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Dental Caries 1,029 trials
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Salivary Gland Diseases 956 trials
Skin and Connective Tissue Diseases 131
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Skin and Connective Tissue Diseases 37,885 trials
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Skin Diseases 31,655 trials
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Breast Diseases 14,470 trials
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Connective Tissue Diseases 7,954 trials
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Skin Diseases, Papulosquamous 2,208 trials
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Dermatitis 2,207 trials
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Skin Ulcer 1,949 trials
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Psoriasis 1,925 trials
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Skin Diseases, Eczematous 1,867 trials
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Leg Ulcer 1,435 trials
Wounds and Injuries 116
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Wounds and Injuries 18,416 trials
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Fractures, Bone 3,429 trials
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Leg Injuries 2,746 trials
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Femoral Fractures 1,151 trials
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Hip Injuries 1,127 trials
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Shoulder Injuries 1,127 trials
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Tendon Injuries 1,102 trials
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Hip Fractures 986 trials
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Knee Injuries 917 trials
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Arm Injuries 904 trials
Mental Disorders 109
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Mental Disorders 49,171 trials
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Neurocognitive Disorders 10,531 trials
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Anxiety Disorders 8,570 trials
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Mood Disorders 6,085 trials
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Neurodevelopmental Disorders 5,562 trials
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Cognition Disorders 4,607 trials
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Depressive Disorder 4,491 trials
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Schizophrenia Spectrum and Other Psychotic Disorders 4,058 trials
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Cognitive Dysfunction 4,000 trials
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Schizophrenia 3,490 trials
Nutritional and Metabolic Diseases 95
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Nutritional and Metabolic Diseases 50,125 trials
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Metabolic Diseases 37,643 trials
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Glucose Metabolism Disorders 24,259 trials
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Diabetes Mellitus 22,120 trials
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Nutrition Disorders 16,367 trials
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Overnutrition 13,606 trials
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Overweight 13,605 trials
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Obesity 13,123 trials
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Diabetes Mellitus, Type 2 9,973 trials
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Hyperinsulinism 4,815 trials
Otorhinolaryngologic Diseases 57
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Otorhinolaryngologic Diseases 7,551 trials
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Ear Diseases 2,738 trials
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Hearing Disorders 1,757 trials
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Hearing Loss 1,357 trials
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Hearing Loss, Sensorineural 461 trials
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Labyrinth Diseases 435 trials
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Tinnitus 424 trials
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Vestibular Diseases 380 trials
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Otitis 325 trials
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Otitis Media 273 trials
Chemically-Induced Disorders 55
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Chemically-Induced Disorders 9,201 trials
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Substance-Related Disorders 7,412 trials
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Alcohol-Related Disorders 2,111 trials
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Alcoholism 1,663 trials
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Narcotic-Related Disorders 1,634 trials
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Opioid-Related Disorders 1,546 trials
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Drug-Related Side Effects and Adverse Reactions 1,088 trials
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Tobacco Use Disorder 1,022 trials
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Poisoning 857 trials
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Marijuana Abuse 564 trials
Endocrine System Diseases 40
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Endocrine System Diseases 35,596 trials
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Gonadal Disorders 5,914 trials
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Diabetes Complications 2,979 trials
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Thyroid Diseases 1,834 trials
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Adrenal Gland Diseases 750 trials
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Parathyroid Diseases 624 trials
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Hypogonadism 432 trials
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Hyperparathyroidism 413 trials
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Hyperthyroidism 396 trials
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Goiter 384 trials
Immune System Diseases 33
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Immune System Diseases 47,330 trials
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Autoimmune Diseases 15,217 trials
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Immunoproliferative Disorders 14,181 trials
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Hypersensitivity 9,555 trials
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Hypersensitivity, Immediate 8,524 trials
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Immunologic Deficiency Syndromes 7,565 trials
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Graft vs Host Disease 1,349 trials
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Food Hypersensitivity 573 trials
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Hypersensitivity, Delayed 393 trials
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Nut and Peanut Hypersensitivity 181 trials
Animal Diseases 9
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Animal Diseases 297 trials
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Bird Diseases 98 trials
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Primate Diseases 85 trials
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Rodent Diseases 72 trials
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Fish Diseases 14 trials
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Monkey Diseases 14 trials
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Sheep Diseases 10 trials
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Disease Models, Animal 8 trials
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Dog Diseases 8 trials
Occupational Diseases 6
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Occupational Diseases 705 trials
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Occupational Stress 466 trials
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Burnout, Professional 216 trials
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Persian Gulf Syndrome 41 trials
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Inert Gas Narcosis 5 trials
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Agricultural Workers' Diseases 2 trials
Disorders of Environmental Origin 2
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Disorders of Environmental Origin 27 trials
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Preconception Injuries 1 trial