Clinical Trials by Condition: A
- ACTH Syndrome, Ectopic (9)
- ACTH-Secreting Pituitary Adenoma (53)
- ACTH-independent Macronodular Adrenal Hyperplasia (3)
- ADNP Syndrome (1)
- ADULT Syndrome (2)
- AIDS Dementia Complex (39)
- AIDS-Associated Nephropathy (5)
- AIDS-Related Complex (280)
- AIDS-Related Opportunistic Infections (163)
- AL Amyloidosis (159)
- AML With Myelodysplasia-related Features (29)
- ANCA-associated Vasculitis (122)
- Abdomen, Acute (28)
- Abdominal Abscess (35)
- Abdominal Aortic Aneurysm (286)
- Abdominal Injuries (33)
- Abdominal Neoplasms (315)
- Abdominal Obesity Metabolic Syndrome (193)
- Abdominal Pain (306)
- Abducens Nerve Diseases (3)
- Aberrant Crypt Foci (4)
- Abetalipoproteinemia (3)
- Abnormal Karyotype (2)
- Abnormalities, Drug-Induced (2)
- Abnormalities, Multiple (740)
- Abnormalities, Radiation-Induced (4)
- Abortion, Habitual (106)
- Abortion, Incomplete (13)
- Abortion, Missed (28)
- Abortion, Septic (3)
- Abortion, Spontaneous (264)
- Abortion, Threatened (14)
- Abruptio Placentae (14)
- Abscess (216)
- Absent Patella (1)
- Acalculous Cholecystitis (116)
- Acanthamoeba Keratitis (5)
- Acanthocheilonemiasis (4)
- Acanthosis Nigricans (7)
- Accessory Atrioventricular Bundle (6)
- Accessory Nerve Diseases (4)
- Accessory Nerve Injuries (3)
- Achlorhydria (4)
- Achondroplasia (21)
- Acid-Base Imbalance (181)
- Acidosis (205)
- Acidosis, Lactic (45)
- Acidosis, Renal Tubular (9)
- Acidosis, Respiratory (14)
- Acinetobacter Infections (7)
- Acinic Cell Carcinoma (45)
- Acne Keloid (6)
- Acne Vulgaris (584)
- Acoustic Neuroma (59)
- Acquired Hemophilia (14)
- Acquired Hemophilia A (7)
- Acquired Hyperostosis Syndrome (3)
- Acquired Immunodeficiency Syndrome (7,657)
- Acquired Von Willebrand Syndrome (4)
- Acral Lentiginous Melanoma (15)
- Acrodermatitis (4)
- Acrodermatitis Enteropathica (1)
- Acromegaly (165)
- Actinic Cheilitis (7)
- Activated Protein C Resistance (1)
- Acute Articular Rheumatism (46)
- Acute Chest Syndrome (30)
- Acute Coronary Syndrome (1,037)
- Acute Disease (220)
- Acute Disseminated Encephalomyelitis (4)
- Acute Erythroid Leukemia (190)
- Acute Fatty Liver of Pregnancy (1)
- Acute Febrile Encephalopathy (1)
- Acute Flaccid Myelitis (1)
- Acute Generalized Exanthematous Pustulosis (2)
- Acute Graft Versus Host Disease (202)
- Acute Intermittent Porphyria (19)
- Acute Interstitial Pneumonia (1)
- Acute Kidney Injury (836)
- Acute Leukemia of Ambiguous Lineage (61)
- Acute Lung Injury (843)
- Acute Lymphoblastic Leukemia (1,852)
- Acute Megakaryoblastic Leukemia (188)
- Acute Monoblastic Leukemia (183)
- Acute Mountain Sickness (100)
- Acute Myeloblastic Leukemia With Maturation (181)
- Acute Myeloblastic Leukemia Without Maturation (183)
- Acute Myeloid Leukemia (2,566)
- Acute Myelomonocytic Leukemia (192)
- Acute Non Lymphoblastic Leukemia (2,566)
- Acute Pain (553)
- Acute Promyelocytic Leukemia (144)
- Acute Radiation Syndrome (7)
- Acute Respiratory Distress Syndrome (908)
- Acute Zonal Occult Outer Retinopathy (1)
- Acute-On-Chronic Liver Failure (69)
- Acute-Phase Reaction (18)
- Adamantinoma (101)
- Adams-Stokes Syndrome (1)
- Addison Disease (25)
- Adenine Phosphoribosyltransferase Deficiency (6)
- Adenocarcinoma (7,488)
- Adenocarcinoma in Situ (13)
- Adenocarcinoma of Lung (354)
- Adenocarcinoma of the Appendix (213)
- Adenocarcinoma, Bronchiolo-Alveolar (106)
- Adenocarcinoma, Clear Cell (103)
- Adenocarcinoma, Follicular (57)
- Adenocarcinoma, Mucinous (65)
- Adenocarcinoma, Papillary (85)
- Adenocarcinoma, Scirrhous (1)
- Adenocarcinoma, Sebaceous (2)
- Adenofibroma (1)
- Adenoid Cystic Carcinoma (118)
- Adenoma (1,085)
- Adenoma of the Adrenal Gland (28)
- Adenoma, Acidophil (2)
- Adenoma, Basophil (2)
- Adenoma, Bile Duct (3)
- Adenoma, Chromophobe (2)
- Adenoma, Islet Cell (88)
- Adenoma, Liver Cell (2)
- Adenoma, Pleomorphic (54)
- Adenoma, Villous (5)
- Adenomatous Polyposis Coli (57)
- Adenomatous Polyps (110)
- Adenomyoepithelioma (44)
- Adenomyosis (59)
- Adenosarcoma (6)
- Adenosine Deaminase Deficiency (24)
- Adenosquamous Carcinoma of the Endometrium (12)
- Adenoviridae Infections (251)
- Adenovirus Infections, Human (1)
- Adenylosuccinase Deficiency (1)
- Adiposis Dolorosa (4)
- Adjustment Disorders (36)
- Adnexal Diseases (2,603)
- Adrenal Cancer (17)
- Adrenal Cortex Diseases (75)
- Adrenal Cortex Neoplasms (74)
- Adrenal Gland Diseases (401)
- Adrenal Gland Neoplasms (102)
- Adrenal Hyperplasia, Congenital (107)
- Adrenal Insufficiency (155)
- Adrenocortical Adenoma (28)
- Adrenocortical Carcinoma (71)
- Adrenocortical Hyperfunction (171)
- Adrenogenital Syndrome (107)
- Adrenoleukodystrophy (48)
- Adrenomyeloneuropathy (48)
- Adult Neuronal Ceroid Lipofuscinosis (27)
- Adult Polyglucosan Body Disease (1)
- Adult T-cell Leukemia/lymphoma (317)
- Adult-onset Still's Disease (9)
- Adult-onset Vitelliform Macular Dystrophy (1)
- Affective Disorders, Psychotic (24)
- Affective Symptoms (46)
- Afibrinogenemia (14)
- Agammaglobulinemia (34)
- Agenesis of Corpus Callosum (13)
- Ageusia (1)
- Aggression (677)
- Aggressive NK Cell Leukemia (127)
- Aggressive Periodontitis (48)
- Aging, Premature (8)
- Agnosia (128)
- Agoraphobia (47)
- Agranulocytosis (307)
- Agraphia (6)
- Aicardi Syndrome (2)
- Aicardi-Goutieres Syndrome (4)
- Airway Obstruction (160)
- Airway Remodeling (26)
- Akathisia, Drug-Induced (2)
- Akinetic Mutism (1)
- Alagille Syndrome (14)
- Albinism (31)
- Albinism, Ocular (3)
- Albinism, Oculocutaneous (13)
- Albuminuria (134)
- Alcohol Abstinence (12)
- Alcohol Amnestic Disorder (1)
- Alcohol Drinking (831)
- Alcohol Drinking in College (15)
- Alcohol Withdrawal Delirium (8)
- Alcohol Withdrawal Seizures (3)
- Alcohol-Induced Disorders (184)
- Alcohol-Induced Disorders, Nervous System (11)
- Alcohol-Related Disorders (1,241)
- Alcoholic Intoxication (69)
- Alcoholic Korsakoff Syndrome (1)
- Alcoholic Neuropathy (2)
- Alcoholism (1,007)
- Alexander Disease (1)
- Alkalosis (21)
- Alkalosis, Respiratory (7)
- Alkaptonuria (5)
- Allan-Herndon-Dudley Syndrome (2)
- Allergic Bronchopulmonary Aspergillosis (19)
- Alopecia (275)
- Alopecia Areata (275)
- Alopecia Totalis (22)
- Alopecia Universalis (19)
- Alpers Syndrome (1)
- Alpha 1-Antitrypsin Deficiency (85)
- Alphavirus Infections (47)
- Alport Syndrome (16)
- Alstrom Syndrome (5)
- Alström Syndrome (5)
- Alternating Hemiplegia of Childhood (5)
- Altitude Sickness (101)
- Alveolar Bone Loss (101)
- Alveolar Echinococcosis (9)
- Alveolar Soft Part Sarcoma (45)
- Alveolitis, Extrinsic Allergic (14)
- Alzheimer Disease (2,187)
- Alzheimer Disease Type 1 (1)
- Alzheimer Disease Type 2 (15)
- Alzheimer Disease Type 3 (1)
- Amaurosis Fugax (3)
- Amblyopia (97)
- Amebiasis (19)
- Ameloblastoma (45)
- Amelogenesis Imperfecta (3)
- Amenorrhea (81)
- Amino Acid Metabolism, Inborn Errors (244)
- Amnesia (100)
- Amnesia, Transient Global (4)
- Amphetamine-Related Disorders (49)
- Amputation, Traumatic (61)
- Amyloid Neuropathies (26)
- Amyloid Neuropathies, Familial (25)
- Amyloidosis (564)
- Amyloidosis AA (4)
- Amyloidosis Beta2M (1)
- Amyloidosis, Familial (40)
- Amyopathic Dermatomyositis (2)
- Amyotrophic Lateral Sclerosis (637)
- Amyotrophic Lateral Sclerosis Type 11 (1)
- Anal Cancer (180)
- Anaphylaxis (61)
- Anaplasia (1)
- Anaplasmosis (2)
- Anaplastic Astrocytoma (371)
- Anaplastic Ependymoma (87)
- Anaplastic Ganglioglioma (4)
- Anaplastic Large Cell Lymphoma (363)
- Anaplastic Oligoastrocytoma (55)
- Anaplastic Oligodendroglioma (230)
- Anaplastic Pleomorphic Xanthoastrocytoma (4)
- Anaplastic Thyroid Cancer (51)
- Anastomotic Leak (101)
- Ancylostomiasis (30)
- Andersen Syndrome (2)
- Andersen-Tawil Syndrome (2)
- Anemia (3,305)
- Anemia, Aplastic (321)
- Anemia, Diamond-Blackfan (52)
- Anemia, Dyserythropoietic, Congenital (4)
- Anemia, Hemolytic (1,089)
- Anemia, Hemolytic, Autoimmune (39)
- Anemia, Hemolytic, Congenital (922)
- Anemia, Hemolytic, Congenital Nonspherocytic (7)
- Anemia, Hypochromic (436)
- Anemia, Hypoplastic, Congenital (101)
- Anemia, Iron-Deficiency (532)
- Anemia, Megaloblastic (2)
- Anemia, Neonatal (27)
- Anemia, Pernicious (2)
- Anemia, Refractory (217)
- Anemia, Refractory, with Excess of Blasts (193)
- Anemia, Sickle Cell (714)
- Anencephaly (7)
- Anetoderma (4)
- Aneuploidy (125)
- Aneurysm (1,336)
- Aneurysm, Dissecting (189)
- Aneurysm, False (9)
- Aneurysm, Ruptured (32)
- Aneurysmal Bone Cysts (3)
- Angelman Syndrome (21)
- Angina Pectoris (763)
- Angina Pectoris, Variant (17)
- Angina, Stable (279)
- Angina, Unstable (253)
- Angiodysplasia (12)
- Angioedema (116)
- Angioedemas, Hereditary (87)
- Angiofibroma (10)
- Angioid Streaks (9)
- Angioimmunoblastic Lymphadenopathy With Dysproteinemia (254)
- Angioimmunoblastic T-cell Lymphoma (254)
- Angiokeratoma (2)
- Angiolipoma (2)
- Angiolymphoid Hyperplasia with Eosinophilia (1)
- Angiomatosis (47)
- Angiomyolipoma (15)
- Angiosarcoma of the Liver (2)
- Angiostrongyliasis (1)
- Anhedonia (44)
- Aniridia (16)
- Aniridia – Ptosis – Intellectual Disability – Familial Obesity (1)
- Anisakiasis (2)
- Aniseikonia (5)
- Anisometropia (14)
- Ankle Fractures (113)
- Ankle Injuries (156)
- Ankyloglossia (8)
- Ankylosing Vertebral Hyperostosis With Tylosis (1)
- Ankylosis (317)
- Ankylosis of Teeth (1)
- Anodontia (34)
- Anomia (17)
- Anophthalmos (3)
- Anorectal Malformations (9)
- Anorexia (315)
- Anorexia Nervosa (229)
- Anovulation (87)
- Anterior Compartment Syndrome (2)
- Anterior Cruciate Ligament Injuries (138)
- Anterior Ischemic Optic Neuropathy (40)
- Anterior Uveitis (40)
- Anterior Wall Myocardial Infarction (21)
- Anthrax (52)
- Anti-Glomerular Basement Membrane Disease (4)
- Anti-N-Methyl-D-Aspartate Receptor Encephalitis (4)
- Anti-Neutrophil Cytoplasmic Antibody-Associated Vasculitis (122)
- Anticholinergic Syndrome (1)
- Anticipation, Genetic (2)
- Antiphospholipid Syndrome (59)
- Antisocial Personality Disorder (24)
- Antisynthetase Syndrome (4)
- Antithrombin III Deficiency (10)
- Anuria (7)
- Anus Diseases (193)
- Anus Neoplasms (180)
- Anxiety Disorders (3,391)
- Anxiety, Separation (43)
- Aortic Aneurysm (521)
- Aortic Aneurysm, Abdominal (322)
- Aortic Aneurysm, Thoracic (107)
- Aortic Arch Syndromes (43)
- Aortic Coarctation (27)
- Aortic Diseases (572)
- Aortic Rupture (12)
- Aortic Stenosis, Supravalvular (16)
- Aortic Valve Insufficiency (79)
- Aortic Valve Stenosis (693)
- Aortitis (6)
- Aphakia (26)
- Aphakia, Postcataract (1)
- Aphasia (285)
- Aphasia, Broca (27)
- Aphasia, Conduction (1)
- Aphasia, Primary Progressive (163)
- Aphasia, Wernicke (1)
- Aphonia (1)
- Aphthous Stomatitis (30)
- Aplasia Cutis Congenita (1)
- Aplastic Anemia (237)
- Apnea (2,059)
- Apocrine Carcinoma (1)
- Apparent Mineralocorticoid Excess (3)
- Appendiceal Neoplasms (18)
- Appendicitis (219)
- Apraxia, Ideomotor (4)
- Apraxias (42)
- Apudoma (2)
- Aquagenic Pruritus (3)
- Arachnodactyly (45)
- Arachnoiditis (3)
- Arbovirus Infections (374)
- Arcus Senilis (1)
- Arginase Deficiency (4)
- Argininosuccinic Aciduria (5)
- Arm Injuries (434)
- Arnold-Chiari Malformation (18)
- Aromatic L-amino Acid Decarboxylase Deficiency (4)
- Arrhinia (1)
- Arrhythmia, Sinus (72)
- Arrhythmias, Cardiac (3,139)
- Arrhythmogenic Right Ventricular Dysplasia (22)
- Arsenic Poisoning (13)
- Arterial Calcification and Distal Joint Calcification (1)
- Arterial Calcification of Infancy (2)
- Arterial Occlusive Diseases (5,972)
- Arterial Tortuosity Syndrome (1)
- Arteriosclerosis (5,631)
- Arteriosclerosis Obliterans (12)
- Arteriovenous Fistula (177)
- Arteriovenous Malformations (193)
- Arteritis (143)
- Arthralgia (469)
- Arthritis (6,917)
- Arthritis, Experimental (1)
- Arthritis, Gouty (20)
- Arthritis, Infectious (73)
- Arthritis, Juvenile (217)
- Arthritis, Psoriatic (319)
- Arthritis, Reactive (9)
- Arthritis, Rheumatoid (2,548)
- Arthrogryposis (6)
- Arthrogryposis Multiplex Congenita (6)
- Arthropathy, Neurogenic (10)
- Articulation Disorders (26)
- Arts Syndrome (1)
- Asbestosis (5)
- Ascariasis (5)
- Ascaridiasis (5)
- Ascites (183)
- Ascorbic Acid Deficiency (9)
- Asherman's Syndrome (27)
- Aspartylglucosaminuria (5)
- Aspartylglycosaminuria (5)
- Asperger Syndrome (73)
- Aspergillosis (169)
- Aspergillosis, Allergic Bronchopulmonary (19)
- Asphyxia (101)
- Asphyxia Neonatorum (68)
- Asthenia (10)
- Asthenopia (18)
- Asthenozoospermia (15)
- Asthma (3,586)
- Asthma, Aspirin-Induced (9)
- Asthma, Exercise-Induced (45)
- Asthma, Occupational (6)
- Astigmatism (230)
- Astrocytoma (1,529)
- Asymptomatic Diseases (18)
- Asymptomatic Infections (10)
- Ataxia (212)
- Ataxia – Hypogonadism – Choroidal Dystrophy (1)
- Ataxia Telangiectasia (29)
- Ataxia With Oculomotor Apraxia Type 1 (1)
- Ataxia With Oculomotor Apraxia Type 2 (1)
- Ataxia With Vitamin E Deficiency (1)
- Athabaskan Brainstem Dysgenesis (1)
- Atherosclerosis (2,308)
- Athletic Injuries (77)
- Atransferrinemia (1)
- Atrial Fibrillation (2,187)
- Atrial Flutter (138)
- Atrial Myxoma, Familial (1)
- Atrial Premature Complexes (12)
- Atrial Remodeling (25)
- Atrioventricular Block (58)
- Atrioventricular Septal Defect (12)
- Atrophic Vaginitis (39)
- Atrophy (1,995)
- Attention Deficit Disorder with Hyperactivity (1,061)
- Attention Deficit and Disruptive Behavior Disorders (962)
- Attenuated Familial Adenomatous Polyposis (2)
- Atypical Hemolytic Uremic Syndrome (26)
- Atypical Squamous Cells of the Cervix (5)
- Auditory Diseases, Central (21)
- Auditory Neuropathy Spectrum Disorder (1)
- Auditory Perceptual Disorders (22)
- Autism Spectrum Disorder (918)
- Autistic Disorder (982)
- Autoimmune Autonomic Ganglionopathy (1)
- Autoimmune Diseases (8,523)
- Autoimmune Diseases of the Nervous System (2,264)
- Autoimmune Encephalitis (13)
- Autoimmune Enteropathy (2)
- Autoimmune Hemolytic Anemia (31)
- Autoimmune Hepatitis (39)
- Autoimmune Inner Ear Disease (4)
- Autoimmune Lymphoproliferative Syndrome (10)
- Autoimmune Pancreatitis (13)
- Autoimmune Polyglandular Syndrome Type 1 (6)
- Autoimmune Pulmonary Alveolar Proteinosis (8)
- Autoimmune Retinopathy (1)
- Autonomic Dysreflexia (15)
- Autonomic Nervous System Diseases (508)
- Autosomal Dominant Cerebellar Ataxia (2)
- Autosomal Dominant Cerebellar Ataxia, Deafness, and Narcolepsy (1)
- Autosomal Dominant Hyper IgE Syndrome (12)
- Autosomal Dominant Partial Epilepsy With Auditory Features (1)
- Autosomal Dominant Tubulointerstitial Kidney Disease (1)
- Autosomal Recessive Axonal Neuropathy With Neuromyotonia (2)
- Autosomal Recessive Hyper IgE Syndrome (3)
- Autosomal Recessive Juvenile Parkinson Disease (10)
- Autosomal Recessive Polycystic Kidney Disease (3)
- Autosomal Recessive Spastic Ataxia 4 (1)
- Autosomal Recessive Spinocerebellar Ataxia 9 (1)
- Avitaminosis (787)
- Axenfeld-Rieger Syndrome (1)
- Azoospermia (47)
- Azotemia (23)
- alpha-Mannosidosis (25)
- alpha-Thalassemia (13)