Clinical Trials Involving Rare Diseases: A
- ACTH-independent Macronodular Adrenal Hyperplasia (2)
- ACTH-secreting Pituitary Adenoma (55)
- ADNP Syndrome (1)
- ADULT Syndrome (2)
- AIDS Dementia Complex (40)
- AL Amyloidosis (166)
- AML With Myelodysplasia-related Features (29)
- ANCA-associated Vasculitis (125)
- Abdominal Aortic Aneurysm (301)
- Abdominal Obesity Metabolic Syndrome (192)
- Abetalipoproteinemia (3)
- Absent Patella (1)
- Acanthamoeba Keratitis (5)
- Acanthocheilonemiasis (4)
- Aceruloplasminemia (1)
- Achondroplasia (23)
- Acinic Cell Carcinoma (45)
- Acoustic Neuroma (66)
- Acquired Angioedema (3)
- Acquired Hemophilia (15)
- Acquired Hemophilia A (8)
- Acquired Von Willebrand Syndrome (4)
- Acral Lentiginous Melanoma (15)
- Acrodermatitis (4)
- Acrodermatitis Enteropathica (1)
- Acromegaly (168)
- Actinic Cheilitis (8)
- Acute Articular Rheumatism (50)
- Acute Disseminated Encephalomyelitis (4)
- Acute Erythroid Leukemia (190)
- Acute Fatty Liver of Pregnancy (1)
- Acute Flaccid Myelitis (1)
- Acute Graft Versus Host Disease (213)
- Acute Intermittent Porphyria (19)
- Acute Interstitial Pneumonia (1)
- Acute Leukemia of Ambiguous Lineage (66)
- Acute Lymphoblastic Leukemia (1,901)
- Acute Megakaryoblastic Leukemia (188)
- Acute Monoblastic Leukemia (183)
- Acute Mountain Sickness (104)
- Acute Myeloblastic Leukemia With Maturation (181)
- Acute Myeloblastic Leukemia Without Maturation (183)
- Acute Myeloid Leukemia (2,672)
- Acute Myelomonocytic Leukemia (192)
- Acute Non Lymphoblastic Leukemia (2,672)
- Acute Promyelocytic Leukemia (146)
- Acute Respiratory Distress Syndrome (981)
- Acute Zonal Occult Outer Retinopathy (1)
- Addison's Disease (26)
- Adenine Phosphoribosyltransferase Deficiency (6)
- Adenocarcinoma of the Appendix (214)
- Adenoid Cystic Carcinoma (124)
- Adenoma of the Adrenal Gland (29)
- Adenosine Deaminase Deficiency (25)
- Adenosquamous Carcinoma of the Endometrium (12)
- Adenylosuccinase Deficiency (1)
- Adiposis Dolorosa (5)
- Adrenal Cancer (16)
- Adrenocortical Carcinoma (72)
- Adrenomyeloneuropathy (50)
- Adult Neuronal Ceroid Lipofuscinosis (29)
- Adult Polyglucosan Body Disease (1)
- Adult T-cell Leukemia/lymphoma (289)
- Adult-onset Still's Disease (9)
- Adult-onset Vitelliform Macular Dystrophy (1)
- Afibrinogenemia (14)
- Aggressive NK Cell Leukemia (126)
- Agnosia (141)
- Aicardi Syndrome (2)
- Aicardi-Goutieres Syndrome (4)
- Alagille Syndrome (14)
- Albinism (33)
- Albright's Hereditary Osteodystrophy (10)
- Alexander Disease (1)
- Alkaptonuria (7)
- Allan-Herndon-Dudley Syndrome (2)
- Allergic Bronchopulmonary Aspergillosis (23)
- Alopecia Totalis (24)
- Alopecia Universalis (21)
- Alpers Syndrome (1)
- Alpha-1 Antitrypsin Deficiency (90)
- Alpha-mannosidosis (25)
- Alpha-thalassemia (14)
- Alport Syndrome (16)
- Alström Syndrome (5)
- Alternating Hemiplegia of Childhood (5)
- Alveolar Echinococcosis (10)
- Alveolar Soft Part Sarcoma (46)
- Alzheimer Disease Type 1 (2)
- Alzheimer Disease Type 2 (16)
- Alzheimer Disease Type 3 (2)
- Alzheimer Disease Type 4 (8)
- Amaurosis Fugax (3)
- Amebiasis (19)
- Ameloblastoma (47)
- Amelogenesis Imperfecta (3)
- Amniotic Band Syndrome (2)
- Amyloid Neuropathy (29)
- Amyloidosis AA (4)
- Amyloidosis Beta2M (1)
- Amyopathic Dermatomyositis (2)
- Amyotrophic Lateral Sclerosis (675)
- Amyotrophic Lateral Sclerosis Type 11 (1)
- Anal Cancer (191)
- Anaplastic Astrocytoma (375)
- Anaplastic Ependymoma (87)
- Anaplastic Ganglioglioma (4)
- Anaplastic Large Cell Lymphoma (369)
- Anaplastic Oligoastrocytoma (55)
- Anaplastic Oligodendroglioma (232)
- Anaplastic Pleomorphic Xanthoastrocytoma (4)
- Anaplastic Thyroid Cancer (55)
- Ancylostomiasis (31)
- Andersen-Tawil Syndrome (2)
- Androgen Insensitivity Syndrome (1)
- Anencephaly (8)
- Aneurysmal Bone Cysts (3)
- Angelman Syndrome (25)
- Angioimmunoblastic Lymphadenopathy With Dysproteinemia (256)
- Angioimmunoblastic T-cell Lymphoma (256)
- Angiosarcoma of the Liver (2)
- Angiostrongyliasis (1)
- Aniridia (17)
- Aniridia – Ptosis – Intellectual Disability – Familial Obesity (1)
- Anisakiasis (2)
- Ankylosing Vertebral Hyperostosis With Tylosis (1)
- Ankylosis of Teeth (1)
- Anodontia (36)
- Anterior Ischemic Optic Neuropathy (41)
- Anterior Uveitis (43)
- Anthrax (54)
- Antiphospholipid Syndrome (65)
- Antisynthetase Syndrome (4)
- Aortic Arch Interruption (1)
- Aortic Coarctation (31)
- Aortic Valve Stenosis (741)
- Aphthous Stomatitis (32)
- Aplasia Cutis Congenita (1)
- Aplastic Anemia (241)
- Apocrine Carcinoma (1)
- Apparent Mineralocorticoid Excess (3)
- Apraxia (44)
- Aquagenic Pruritus (3)
- Arachnoid Cysts (1)
- Arachnoiditis (3)
- Arginase Deficiency (4)
- Argininosuccinic Aciduria (5)
- Aromatic L-amino Acid Decarboxylase Deficiency (4)
- Arrhinia (1)
- Arrhythmogenic Right Ventricular Cardiomyopathy (26)
- Arterial Calcification and Distal Joint Calcification (1)
- Arterial Calcification of Infancy (2)
- Arterial Tortuosity Syndrome (1)
- Arthrogryposis Multiplex Congenita (6)
- Arts Syndrome (1)
- Asbestosis (6)
- Asherman's Syndrome (28)
- Aspartylglycosaminuria (5)
- Aspergillosis (179)
- Asphyxia Neonatorum (73)
- 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)
- Atransferrinemia (1)
- Atrial Myxoma, Familial (1)
- Atrioventricular Septal Defect (13)
- Attenuated Familial Adenomatous Polyposis (2)
- Atypical Hemolytic Uremic Syndrome (26)
- Auditory Neuropathy Spectrum Disorder (2)
- Autoimmune Autonomic Ganglionopathy (2)
- Autoimmune Encephalitis (15)
- Autoimmune Enteropathy (3)
- Autoimmune Hemolytic Anemia (36)
- Autoimmune Hepatitis (43)
- Autoimmune Inner Ear Disease (4)
- Autoimmune Lymphoproliferative Syndrome (10)
- Autoimmune Pancreatitis (13)
- Autoimmune Polyglandular Syndrome Type 1 (5)
- Autoimmune Pulmonary Alveolar Proteinosis (8)
- 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 (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 (4)
- Autosomal Recessive Juvenile Parkinson Disease (11)
- Autosomal Recessive Polycystic Kidney Disease (3)
- Autosomal Recessive Spastic Ataxia 4 (1)
- Autosomal Recessive Spinocerebellar Ataxia 9 (1)
- Axenfeld-Rieger Syndrome (1)