Clinical Trials by Condition: M
- MASS Phenotype (2)
- MECP2 Duplication Syndrome (1)
- MELAS Syndrome (20)
- MERRF Syndrome (2)
- MYH-associated Polyposis (79)
- MYH9 Related Thrombocytopenia (2)
- Machado-Joseph Disease (34)
- Macroglossia (5)
- Macrophage Activation Syndrome (14)
- Macular Degeneration (2,103)
- Macular Edema (921)
- Maffucci Syndrome (2)
- Magnesium Deficiency (24)
- Mal De Debarquement Syndrome (5)
- Malabsorption Syndromes (541)
- Malaria (1,292)
- Malaria, Cerebral (15)
- Malaria, Falciparum (396)
- Malaria, Vivax (96)
- Malformations of Cortical Development (116)
- Malformations of Cortical Development, Group II (6)
- Malignant Carcinoid Syndrome (72)
- Malignant Germ Cell Tumor (51)
- Malignant Hyperthermia (11)
- Malignant Mesenchymoma (31)
- Malignant Mesothelioma (515)
- Malignant Migrating Partial Seizures of Infancy (3)
- Malignant Mixed Mullerian Tumor (113)
- Malignant Peripheral Nerve Sheath Tumor (91)
- Malingering (1)
- Malnutrition (2,931)
- Malocclusion (333)
- Malocclusion, Angle Class I (10)
- Malocclusion, Angle Class II (92)
- Malocclusion, Angle Class III (40)
- Mammary Neoplasms, Animal (3)
- Mandibular Diseases (379)
- Mandibular Fractures (43)
- Mandibular Injuries (4)
- Mandibular Neoplasms (6)
- Mandibular Nerve Injuries (7)
- Mandibulofacial Dysostosis (12)
- Mania (282)
- Mannosidase Deficiency Diseases (26)
- Mannosidosis, Beta A, Lysosomal (1)
- Mansonelliasis (4)
- Mantle Cell Lymphoma (1,113)
- Maple Syrup Urine Disease (6)
- Marburg Hemorrhagic Fever (8)
- Marburg Virus Disease (8)
- Marcus Gunn Phenomenon (1)
- Marfan Syndrome (57)
- Marginal Zone Lymphoma (777)
- Marijuana Abuse (701)
- Marijuana Use (63)
- Marinesco-Sjogren Syndrome (1)
- Marshall Syndrome (3)
- Masked Hypertension (16)
- Mast Cell Activation Syndrome (8)
- Mast-Cell Sarcoma (2)
- Mastitis (36)
- Mastocytoma (11)
- Mastocytosis (91)
- Mastocytosis, Cutaneous (11)
- Mastocytosis, Systemic (59)
- Mastodynia (70)
- Mastoiditis (5)
- Maternal Death (62)
- Maternal Hyperphenylalaninemia (3)
- Maternally Inherited Diabetes and Deafness (2)
- Maturity-onset Diabetes of the Young (15)
- Maturity-onset Diabetes of the Young, Type 1 (2)
- Maturity-onset Diabetes of the Young, Type 2 (3)
- Maturity-onset Diabetes of the Young, Type 3 (5)
- Maxillary Diseases (10)
- Maxillary Fractures (4)
- Maxillary Neoplasms (7)
- Maxillary Sinus Neoplasms (1)
- Maxillary Sinusitis (14)
- Maxillofacial Abnormalities (209)
- Maxillofacial Dysostosis (1)
- Maxillofacial Injuries (83)
- May-Thurner Syndrome (17)
- McCune-Albright Syndrome (20)
- Measles (174)
- Meckel Syndrome (1)
- Meconium Aspiration Syndrome (20)
- Meconium Ileus (10)
- Medial Tibial Stress Syndrome (9)
- Median Arcuate Ligament Syndrome (1)
- Median Neuropathy (365)
- Mediastinal Diseases (39)
- Mediastinal Emphysema (3)
- Mediastinal Neoplasms (20)
- Mediastinitis (17)
- Medically Unexplained Symptoms (57)
- Medium-chain Acyl-coenzyme A Dehydrogenase Deficiency (6)
- Medullary Sponge Kidney (1)
- Medulloblastoma (306)
- Medulloblastoma, Childhood (134)
- Megacolon (51)
- Megalencephalic Leukoencephalopathy With Subcortical Cysts (1)
- Megalencephaly (7)
- Megalencephaly-capillary Malformation Syndrome (1)
- Meibomian Gland Dysfunction (149)
- Meier-Gorlin Syndrome (1)
- Meige Syndrome (3)
- Meigs Syndrome (1)
- Melanoma (3,076)
- Melanoma, Experimental (3)
- Melanosis (152)
- Melena (13)
- Melioidosis (10)
- Melorheostosis (2)
- Membranoproliferative Glomerulonephritis (17)
- Membranous Nephropathy (101)
- Memory Disorders (220)
- Mendelian Susceptibility to Mycobacterial Diseases (1)
- Menetrier Disease (1)
- Meniere Disease (64)
- Meningeal Carcinomatosis (66)
- Meningeal Neoplasms (235)
- Meningioma (230)
- Meningitis (434)
- Meningitis, Aseptic (6)
- Meningitis, Bacterial (155)
- Meningitis, Cryptococcal (49)
- Meningitis, Fungal (50)
- Meningitis, Meningococcal (111)
- Meningitis, Pneumococcal (5)
- Meningitis, Viral (7)
- Meningocele (6)
- Meningococcal Infections (284)
- Meningococcemia (9)
- Meningoencephalitis (19)
- Meningomyelocele (50)
- Menkes Disease (7)
- Menkes Kinky Hair Syndrome (7)
- Menopause (1,438)
- Menopause, Premature (150)
- Menorrhagia (173)
- Menstruation Disturbances (576)
- Mental Disorders (34,759)
- Mental Fatigue (96)
- Mental Retardation, X-Linked (289)
- Meralgia Paresthetica (5)
- Mercury Poisoning (3)
- Merkel Cell Carcinoma (121)
- Mesangial Proliferative Glomerulonephritis (1)
- Mesenchymoma (30)
- Mesenteric Ischemia (34)
- Mesial Movement of Teeth (3)
- Mesothelioma (515)
- Mesothelioma, Malignant (515)
- Metabolic Diseases (27,431)
- Metabolic Side Effects of Drugs and Substances (3)
- Metabolic Syndrome (1,824)
- Metabolism, Inborn Errors (2,527)
- Metachromatic Leukodystrophy (44)
- Metagonimiasis (1)
- Metal Metabolism, Inborn Errors (230)
- Metaplasia (419)
- Metaplastic Carcinoma of the Breast (3)
- Metastatic Squamous Neck Cancer With Occult Primary (138)
- Metatarsalgia (37)
- Metatarsus Varus (3)
- Methemoglobinemia (11)
- Methemoglobinemia, Beta-globin Type (1)
- Methionine Adenosyltransferase Deficiency (1)
- Methylmalonic Acidemia (26)
- Methylmalonic Acidemia With Homocystinuria (1)
- Methylmalonic Acidemia With Homocystinuria Type cblC (1)
- Metrorrhagia (73)
- Mevalonate Kinase Deficiency (4)
- Mevalonic Aciduria (5)
- Micro Syndrome (1)
- Microaneurysm (4)
- Microcephalic Osteodysplastic Primordial Dwarfism Type 1 (1)
- Microcephaly (24)
- Microcystic Adnexal Carcinoma (1)
- Microcystic Lymphatic Malformation (5)
- Microencephaly (24)
- Micrognathism (30)
- Micronuclei, Chromosome-Defective (1)
- Microphthalmia (8)
- Microphthalmos (8)
- Microsatellite Instability (102)
- Microscopic Polyangiitis (60)
- Microsporidiosis (2)
- Microstomia (4)
- Microtia-Anotia (2)
- Microvascular Angina (260)
- Microvascular Rarefaction (6)
- Midline Lethal Granuloma (54)
- Migraine Disorders (1,313)
- Migraine with Aura (94)
- Migraine without Aura (94)
- Mild Phenylketonuria (2)
- Milk Hypersensitivity (120)
- Miller Fisher Syndrome (2)
- Miller Syndrome (5)
- Milroy Disease (13)
- Mineralocorticoid Excess Syndrome, Apparent (3)
- Minimal Change Disease (40)
- Miosis (24)
- Mirizzi Syndrome (1)
- Misophonia (5)
- Mite Infestations (38)
- Mitochondrial Complex I Deficiency (3)
- Mitochondrial Complex II Deficiency (1)
- Mitochondrial DNA Depletion Syndrome (2)
- Mitochondrial DNA-associated Leigh Syndrome (2)
- Mitochondrial Diseases (272)
- Mitochondrial Encephalomyopathies (26)
- Mitochondrial Encephalomyopathy Lactic Acidosis and Stroke-like Episodes (18)
- Mitochondrial Genetic Disorders (1)
- Mitochondrial Membrane Protein-Associated Neurodegeneration (1)
- Mitochondrial Myopathies (64)
- Mitochondrial Neurogastrointestinal Encephalopathy Syndrome (10)
- Mitochondrial Trifunctional Protein Deficiency (12)
- Mitral Atresia (1)
- Mitral Valve Insufficiency (533)
- Mitral Valve Prolapse (38)
- Mitral Valve Stenosis (45)
- Mixed Connective Tissue Disease (15)
- Mixed Tumor, Malignant (2)
- Mixed Tumor, Mesodermal (10)
- Mixed Tumor, Mullerian (112)
- Miyoshi Myopathy (5)
- Mobility Limitation (204)
- Mobius Syndrome (4)
- Mollaret Meningitis (1)
- Molluscum Contagiosum (21)
- Molybdenum Cofactor Deficiency (6)
- Monckeberg Medial Calcific Sclerosis (2)
- Mondini Dysplasia (1)
- Monkeypox (27)
- Monoclonal Gammopathy of Undetermined Significance (115)
- Monoclonal Mast Cell Activation Syndrome (1)
- Monomelic Amyotrophy (1)
- Mononegavirales Infections (529)
- Mononeuropathies (565)
- Monosomy (30)
- Monteggia's Fracture (1)
- Mood Disorders (5,456)
- Morning Sickness (35)
- Morphea (24)
- Morphine Dependence (3)
- Morquio Syndrome B (3)
- Morton Neuroma (23)
- Morvan's Fibrillary Chorea (2)
- Motion Sickness (37)
- Motor Disorders (58)
- Motor Neuron Disease (937)
- Motor Skills Disorders (58)
- Mounier-Kuhn Syndrome (1)
- Mouth Abnormalities (195)
- Mouth Breathing (24)
- Mouth Diseases (4,886)
- Mouth Neoplasms (554)
- Mouth, Edentulous (350)
- Movement Disorders (4,753)
- Moyamoya Disease (36)
- Mucinoses (328)
- Muckle-Wells Syndrome (18)
- Mucocele (6)
- Mucocutaneous Lymph Node Syndrome (49)
- Mucoepidermoid Carcinoma (80)
- Mucoepidermoid Tumor (80)
- Mucolipidoses (12)
- Mucolipidosis III Alpha/beta (1)
- Mucolipidosis Type 4 (3)
- Mucopolysaccharidoses (211)
- Mucopolysaccharidosis I (68)
- Mucopolysaccharidosis II (72)
- Mucopolysaccharidosis III (44)
- Mucopolysaccharidosis IV (230)
- Mucopolysaccharidosis Type I (68)
- Mucopolysaccharidosis Type II (72)
- Mucopolysaccharidosis Type III (44)
- Mucopolysaccharidosis Type IIIA (29)
- Mucopolysaccharidosis Type IIIB (17)
- Mucopolysaccharidosis Type IIID (1)
- Mucopolysaccharidosis Type IV (230)
- Mucopolysaccharidosis Type IVA (30)
- Mucopolysaccharidosis Type VI (33)
- Mucopolysaccharidosis Type VII (16)
- Mucopolysaccharidosis VI (33)
- Mucopolysaccharidosis VII (16)
- Mucormycosis (22)
- Mucositis (453)
- Mucous Membrane Pemphigoid (16)
- Muenke Syndrome (1)
- Muir-Torre Syndrome (5)
- Mullerian Aplasia (5)
- Multicentric Castleman Disease (27)
- Multicentric Reticulohistiocytosis (1)
- Multicore Disease (3)
- Multicystic Dysplastic Kidney (9)
- Multicystic Renal Dysplasia, Bilateral (3)
- Multifocal Choroiditis (6)
- Multifocal Fibrosclerosis (31)
- Multifocal Lymphangioendotheliomatosis With Thrombocytopenia (1)
- Multifocal Motor Neuropathy (15)
- Multiple Acyl Coenzyme A Dehydrogenase Deficiency (5)
- Multiple Carboxylase Deficiency (4)
- Multiple Chemical Sensitivity (8)
- Multiple Chronic Conditions (75)
- Multiple Endocrine Neoplasia (39)
- Multiple Endocrine Neoplasia Type 1 (20)
- Multiple Endocrine Neoplasia Type 2 (14)
- Multiple Endocrine Neoplasia Type 2a (10)
- Multiple Endocrine Neoplasia Type 2b (6)
- Multiple Mitochondrial Dysfunctions Syndrome (1)
- Multiple Myeloma (3,253)
- Multiple Organ Failure (147)
- Multiple Pulmonary Nodules (173)
- Multiple Sclerosis (2,771)
- Multiple Sclerosis, Chronic Progressive (207)
- Multiple Sclerosis, Relapsing-Remitting (584)
- Multiple Sulfatase Deficiency (1)
- Multiple Sulfatase Deficiency Disease (1)
- Multiple Symmetric Lipomatosis (25)
- Multiple System Atrophy (161)
- Multiple Trauma (140)
- Mumps (99)
- Muscle Cramp (380)
- Muscle Eye Brain Disease (4)
- Muscle Hypertonia (565)
- Muscle Hypotonia (86)
- Muscle Neoplasms (6)
- Muscle Rigidity (176)
- Muscle Spasticity (849)
- Muscle Weakness (908)
- Muscular Atrophy (1,140)
- Muscular Atrophy, Spinal (226)
- Muscular Diseases (5,237)
- Muscular Disorders, Atrophic (654)
- Muscular Dystrophies (622)
- Muscular Dystrophies, Limb-Girdle (50)
- Muscular Dystrophy, Duchenne (366)
- Muscular Dystrophy, Emery-Dreifuss (3)
- Muscular Dystrophy, Facioscapulohumeral (52)
- Muscular Dystrophy, Oculopharyngeal (12)
- Musculoskeletal Abnormalities (945)
- Musculoskeletal Diseases (22,581)
- Musculoskeletal Pain (635)
- Mushroom Poisoning (1)
- Mutism (21)
- Myalgia (324)
- Myasthenia Gravis (181)
- Myasthenia Gravis, Autoimmune, Experimental (2)
- Myasthenia Gravis, Neonatal (1)
- Myasthenic Syndromes, Congenital (13)
- Mycetoma (3)
- Mycobacterium Abscessus (14)
- Mycobacterium Avium Complex Infections (73)
- Mycobacterium Infections (1,459)
- Mycobacterium Infections, Nontuberculous (142)
- Mycobacterium Xenopi (2)
- Mycobacterium avium-intracellulare Infection (73)
- Mycoplasma Infections (46)
- Mycoplasmal Pneumonia (19)
- Mycoses (7,196)
- Mycosis Fungoides (421)
- Mydriasis (52)
- Myelitis (353)
- Myelitis, Transverse (106)
- Myelodysplastic Syndrome With Excess Blasts (196)
- Myelodysplastic Syndromes (2,270)
- Myelodysplastic-Myeloproliferative Diseases (504)
- Myelodysplastic/myeloproliferative Disease (533)
- Myeloid Leukemia (3,828)
- Myeloid Sarcoma (10)
- Myelomeningocele (50)
- Myeloproliferative Disorders (1,953)
- Myhre Syndrome (1)
- Myocardial Bridging (7)
- Myocardial Infarction (3,034)
- Myocardial Ischemia (9,178)
- Myocardial Reperfusion Injury (52)
- Myocardial Stunning (17)
- Myocarditis (130)
- Myoclonic Epilepsies, Progressive (8)
- Myoclonic Epilepsy, Juvenile (2)
- Myoclonus (34)
- Myoclonus Epilepsy (22)
- Myoclonus-dystonia (5)
- Myoepithelial Carcinoma (2)
- Myoepithelioma (2)
- Myofascial Pain Syndromes (1,362)
- Myofibroma (430)
- Myofibromatosis (1)
- Myoglobinuria (3)
- Myokymia (1)
- Myoma (114)
- Myopathies, Nemaline (5)
- Myopathies, Structural, Congenital (18)
- Myopathy Congenital (14)
- Myopathy, Central Core (1)
- Myopericytoma (1)
- Myopia (950)
- Myopia, Degenerative (45)
- Myosarcoma (206)
- Myosin Storage Myopathy (1)
- Myositis (257)
- Myositis Ossificans (19)
- Myositis, Inclusion Body (42)
- Myotonia (18)
- Myotonia Congenita (7)
- Myotonic Disorders (79)
- Myotonic Dystrophy (76)
- Myotonic Dystrophy Type 1 (132)
- Myotonic Dystrophy Type 2 (44)
- Myotoxicity (6)
- Myringosclerosis (1)
- Myxoid Liposarcoma (30)
- Myxoma (6)
- Myxopapillary Ependymoma (42)