Clinical Trials Involving Rare Diseases: A
- ACTH-independent Macronodular Adrenal Hyperplasia (3)
- ACTH-secreting Pituitary Adenoma (63)
- ADCY5-related Dyskinesia (3)
- ADNP Syndrome (2)
- ADULT Syndrome (2)
- AIDS Dementia Complex (43)
- AL Amyloidosis (196)
- AML With Myelodysplasia-related Features (31)
- ANCA-associated Vasculitis (148)
- Abdominal Aortic Aneurysm (375)
- Abdominal Obesity Metabolic Syndrome (193)
- Abetalipoproteinemia (4)
- Absent Patella (1)
- Acanthamoeba Keratitis (6)
- Acanthocheilonemiasis (5)
- Aceruloplasminemia (2)
- Achondroplasia (32)
- Acinic Cell Carcinoma (50)
- Acoustic Neuroma (80)
- Acquired Hemophilia (18)
- Acquired Hemophilia A (11)
- Acquired Pure Red Cell Aplasia (3)
- Acquired Von Willebrand Syndrome (4)
- Acral Lentiginous Melanoma (33)
- Acrodermatitis (5)
- Acrodermatitis Enteropathica (1)
- Acromegaly (185)
- Actinic Cheilitis (9)
- Acute Articular Rheumatism (84)
- Acute Disseminated Encephalomyelitis (6)
- Acute Erythroid Leukemia (190)
- Acute Fatty Liver of Pregnancy (1)
- Acute Flaccid Myelitis (1)
- Acute Graft Versus Host Disease (22,012)
- Acute Intermittent Porphyria (20)
- Acute Interstitial Pneumonia (26)
- Acute Leukemia of Ambiguous Lineage (100)
- Acute Lymphoblastic Leukemia (2,401)
- Acute Megakaryoblastic Leukemia (187)
- Acute Monoblastic Leukemia (186)
- Acute Mountain Sickness (127)
- Acute Myeloblastic Leukemia With Maturation (180)
- Acute Myeloblastic Leukemia Without Maturation (182)
- Acute Myeloid Leukemia (3,153)
- Acute Myelomonocytic Leukemia (195)
- Acute Non Lymphoblastic Leukemia (3,153)
- Acute Promyelocytic Leukemia (154)
- Acute Respiratory Distress Syndrome (1,599)
- Acute Zonal Occult Outer Retinopathy (1)
- Addison's Disease (33)
- Adenine Phosphoribosyltransferase Deficiency (6)
- Adenocarcinoma of the Appendix (269)
- Adenoid Cystic Carcinoma (141)
- Adenoma of the Adrenal Gland (42)
- Adenosine Deaminase Deficiency (30)
- Adenosquamous Carcinoma of the Endometrium (12)
- Adenylosuccinase Deficiency (1)
- Adiposis Dolorosa (6)
- Adrenal Cancer (19)
- Adrenocortical Carcinoma (85)
- Adrenomyeloneuropathy (62)
- Adult Neuronal Ceroid Lipofuscinosis (40)
- Adult Polyglucosan Body Disease (2)
- Adult T-cell Leukemia/lymphoma (357)
- Adult-onset Immunodeficiency With Anti-interferon-gamma Autoantibodies (1)
- Adult-onset Still's Disease (15)
- Adult-onset Vitelliform Macular Dystrophy (1)
- Afibrinogenemia (17)
- Aggressive NK Cell Leukemia (134)
- Agnosia (191)
- Aicardi Syndrome (2)
- Aicardi-Goutieres Syndrome (8)
- Alagille Syndrome (21)
- Albinism (35)
- Albright's Hereditary Osteodystrophy (11)
- Alexander Disease (4)
- Alkaptonuria (9)
- Allan-Herndon-Dudley Syndrome (6)
- Allergic Angiitis (46)
- Allergic Bronchopulmonary Aspergillosis (30)
- Allergic Encephalomyelitis (1)
- Alopecia Totalis (28)
- Alopecia Universalis (25)
- Alpers Syndrome (3)
- Alpha-1 Antitrypsin Deficiency (132)
- Alpha-mannosidosis (26)
- Alpha-thalassemia (18)
- Alport Syndrome (24)
- Alström Syndrome (6)
- Alternating Hemiplegia of Childhood (6)
- Alveolar Echinococcosis (20)
- Alveolar Soft Part Sarcoma (48)
- Alzheimer Disease Type 1 (4)
- Alzheimer Disease Type 2 (20)
- Alzheimer Disease Type 3 (2)
- Alzheimer Disease Type 4 (8)
- Amaurosis Fugax (3)
- Amebiasis (22)
- Ameloblastoma (53)
- Amelogenesis Imperfecta (7)
- Amniotic Band Syndrome (2)
- Amyloid Neuropathy (48)
- Amyloidosis AA (4)
- Amyloidosis Beta2M (1)
- Amyopathic Dermatomyositis (3)
- Amyotrophic Lateral Sclerosis (909)
- Amyotrophic Lateral Sclerosis Type 11 (1)
- Amyotrophic Lateral Sclerosis Type 4 (2)
- Anal Cancer (242)
- Anaplastic Astrocytoma (397)
- Anaplastic Ependymoma (90)
- Anaplastic Ganglioglioma (4)
- Anaplastic Large Cell Lymphoma (383)
- Anaplastic Oligoastrocytoma (60)
- Anaplastic Oligodendroglioma (238)
- Anaplastic Pleomorphic Xanthoastrocytoma (5)
- Anaplastic Thyroid Cancer (69)
- Ancylostomiasis (35)
- Andersen-Tawil Syndrome (2)
- Androgen Insensitivity Syndrome (2)
- Anencephaly (9)
- Aneurysmal Bone Cysts (4)
- Angelman Syndrome (35)
- Angioimmunoblastic Lymphadenopathy With Dysproteinemia (267)
- Angioimmunoblastic T-cell Lymphoma (267)
- Angiosarcoma of the Liver (2)
- Angiostrongyliasis (1)
- Aniridia (18)
- Aniridia – Ptosis – Intellectual Disability – Familial Obesity (1)
- Anisakiasis (2)
- Ankylosing Vertebral Hyperostosis With Tylosis (1)
- Ankylosis of Teeth (1)
- Anodontia (61)
- Anorchia (1)
- Anterior Ischemic Optic Neuropathy (45)
- Anterior Uveitis (48)
- Anthrax (56)
- Antiphospholipid Syndrome (79)
- Antisynthetase Syndrome (6)
- Aortic Arch Interruption (2)
- Aortic Coarctation (39)
- Aortic Valve Stenosis (982)
- Aortopulmonary Window (2)
- Aphthous Stomatitis (43)
- Aplasia Cutis Congenita (1)
- Aplastic Anemia (283)
- Apocrine Carcinoma (1)
- Apparent Mineralocorticoid Excess (3)
- Apraxia (64)
- Aquagenic Pruritus (3)
- Arachnoid Cysts (1)
- Arachnoiditis (4)
- Arginase Deficiency (8)
- Argininosuccinic Aciduria (8)
- Aromatic L-amino Acid Decarboxylase Deficiency (7)
- Arrhinia (1)
- Arrhythmogenic Right Ventricular Cardiomyopathy (32)
- Arterial Calcification and Distal Joint Calcification (1)
- Arterial Calcification of Infancy (6)
- Arterial Tortuosity Syndrome (1)
- Arthrogryposis Multiplex Congenita (84)
- Asbestosis (8)
- Asherman's Syndrome (38)
- Aspartylglycosaminuria (5)
- Aspergillosis (217)
- Asphyxia Neonatorum (88)
- Ataxia Telangiectasia (43)
- Ataxia With Oculomotor Apraxia Type 1 (1)
- Ataxia With Oculomotor Apraxia Type 2 (5)
- Ataxia With Vitamin E Deficiency (1)
- Atransferrinemia (1)
- Atrial Myxoma, Familial (1)
- Atrioventricular Septal Defect (10)
- Attenuated Familial Adenomatous Polyposis (4)
- Atypical Hemolytic Uremic Syndrome (32)
- Auditory Neuropathy Spectrum Disorder (3)
- Autoimmune Autonomic Ganglionopathy (2)
- Autoimmune Encephalitis (32)
- Autoimmune Enteropathy (4)
- Autoimmune Gastrointestinal Dysmotility (2)
- Autoimmune Hemolytic Anemia (51)
- Autoimmune Hepatitis (57)
- Autoimmune Inner Ear Disease (5)
- Autoimmune Lymphoproliferative Syndrome (12)
- Autoimmune Pancreatitis (19)
- Autoimmune Polyglandular Syndrome Type 1 (8)
- Autoimmune Polyglandular Syndrome Type 2 (1)
- Autoimmune Pulmonary Alveolar Proteinosis (9)
- Autoimmune Retinopathy (1)
- Autosomal Dominant Cerebellar Ataxia (2)
- Autosomal Dominant Cerebellar Ataxia, Deafness, and Narcolepsy (1)
- Autosomal Dominant Distal Renal Tubular Acidosis (4)
- Autosomal Dominant Hyper IgE Syndrome (13)
- Autosomal Dominant Multiple Pterygium Syndrome (208)
- 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 (4)
- Autosomal Recessive Juvenile Parkinson Disease (12)
- Autosomal Recessive Polycystic Kidney Disease (5)
- Autosomal Recessive Spastic Ataxia 4 (1)
- Autosomal Recessive Spastic Paraplegia Type 49 (1)
- Autosomal Recessive Spinocerebellar Ataxia 9 (1)
- Axenfeld-Rieger Syndrome (3)