Clinical Trials by Condition: H

HELLP Syndrome (24)
HIV Enteropathy (4)
HIV Infections (8,061)
HIV Seropositivity (518)
HIV Wasting Syndrome (14)
HIV-Associated Lipodystrophy Syndrome (25)
HIVEP2-related Intellectual Disability (1)
HTLV-1 Associated Myelopathy/tropical Spastic Paraparesis (9)
HTLV-I Infections (28)
HTLV-II Infections (3)
Haemophilus Infections (181)
Haemophilus Influenzae (196)
Hailey-Hailey Disease (3)
Hair Diseases (361)
Hairy Cell Leukemia (219)
Halitosis (48)
Hallucinations (94)
Hallux Limitus (23)
Hallux Rigidus (23)
Hallux Valgus (92)
Hallux Varus (1)
Hamartoma (81)
Hamartoma Syndrome, Multiple (18)
Hammer Toe Syndrome (8)
Hand Deformities (8)
Hand Deformities, Congenital (2)
Hand Dermatoses (8)
Hand Injuries (61)
Hand, Foot and Mouth Disease (41)
Hand-Arm Vibration Syndrome (1)
Hand-Foot Syndrome (31)
Hansen's Disease (31)
Hantavirus Infections (13)
Hantavirus Pulmonary Syndrome (13)
Hashimoto Disease (47)
Hashimoto Encephalopathy (18)
Head Injuries, Closed (333)
Head Injuries, Penetrating (5)
Head and Neck Neoplasms (4,952)
Headache (1,471)
Headache Disorders (1,218)
Headache Disorders, Primary (1,040)
Headache Disorders, Secondary (148)
Healthcare-Associated Pneumonia (95)
Hearing Disorders (904)
Hearing Loss (727)
Hearing Loss, Bilateral (33)
Hearing Loss, Central (3)
Hearing Loss, Conductive (50)
Hearing Loss, Functional (3)
Hearing Loss, High-Frequency (3)
Hearing Loss, Mixed Conductive-Sensorineural (23)
Hearing Loss, Noise-Induced (23)
Hearing Loss, Sensorineural (239)
Hearing Loss, Sudden (20)
Hearing Loss, Unilateral (31)
Heart Arrest (967)
Heart Block (170)
Heart Defects, Congenital (1,056)
Heart Diseases (19,201)
Heart Failure (4,399)
Heart Failure, Diastolic (132)
Heart Failure, Systolic (166)
Heart Injuries (11)
Heart Murmurs (18)
Heart Neoplasms (10)
Heart Rupture (3)
Heart Rupture, Post-Infarction (1)
Heart Septal Defects (156)
Heart Septal Defects, Atrial (109)
Heart Septal Defects, Ventricular (45)
Heart Tumor (10)
Heart Valve Diseases (1,613)
Heartburn (197)
Heat Exhaustion (2)
Heat Stress Disorders (33)
Heat Stroke (9)
Heavy Metal Poisoning (43)
Heel Spur (10)
Helicobacter Infections (115)
Helminthiasis (264)
Hemangioblastoma (13)
Hemangioendothelioma (20)
Hemangioendothelioma, Epithelioid (6)
Hemangioma (209)
Hemangioma Thrombocytopenia Syndrome (6)
Hemangioma, Capillary (87)
Hemangioma, Cavernous (17)
Hemangioma, Cavernous, Central Nervous System (11)
Hemangiopericytoma (59)
Hemangiosarcoma (72)
Hemarthrosis (19)
Hematemesis (10)
Hematologic Diseases (11,191)
Hematologic Neoplasms (1,442)
Hematoma (183)
Hematoma, Epidural, Cranial (12)
Hematoma, Epidural, Spinal (12)
Hematoma, Subdural (78)
Hematoma, Subdural, Acute (4)
Hematoma, Subdural, Chronic (47)
Hematoma, Subdural, Intracranial (5)
Hematuria (47)
Hemianopsia (22)
Hemicrania Continua (3)
Hemifacial Microsomia (5)
Hemifacial Spasm (18)
Hemihypertrophy (2)
Hemimegalencephaly (2)
Hemiplegia (227)
Hemobilia (1)
Hemochromatosis (49)
Hemochromatosis Type 3 (49)
Hemochromatosis Type 4 (1)
Hemoglobin C Disease (7)
Hemoglobin SC Disease (26)
Hemoglobinopathies (1,002)
Hemoglobinuria (94)
Hemoglobinuria, Paroxysmal (87)
Hemolysis (1,255)
Hemolytic-Uremic Syndrome (45)
Hemoperitoneum (3)
Hemophilia (641)
Hemophilia A (621)
Hemophilia B (199)
Hemophilic Arthropathy (22)
Hemopneumothorax (4)
Hemoptysis (19)
Hemorrhage (4,320)
Hemorrhagic Disorders (4,415)
Hemorrhagic Fever with Renal Syndrome (10)
Hemorrhagic Fever, Crimean (3)
Hemorrhagic Fever, Ebola (97)
Hemorrhagic Fevers, Viral (327)
Hemorrhoids (121)
Hemosiderosis (28)
Hemospermia (1)
Hemostatic Disorders (4,559)
Hemothorax (19)
Henipavirus Infections (2)
Henoch-Schonlein Purpura (24)
Hepadnaviridae Infections (1,306)
Heparin-induced Thrombocytopenia (39)
Hepatic Encephalopathy (152)
Hepatic Insufficiency (550)
Hepatic Veno-Occlusive Disease (19)
Hepatitis (4,014)
Hepatitis A (4,012)
Hepatitis B (1,432)
Hepatitis B, Chronic (712)
Hepatitis C (2,295)
Hepatitis C, Chronic (1,264)
Hepatitis D (42)
Hepatitis D, Chronic (26)
Hepatitis E (28)
Hepatitis, Alcoholic (83)
Hepatitis, Autoimmune (47)
Hepatitis, Chronic (2,059)
Hepatitis, Viral, Human (3,651)
Hepatoblastoma (59)
Hepatolenticular Degeneration (32)
Hepatomegaly (11)
Hepatopulmonary Syndrome (11)
Hepatorenal Syndrome (41)
Hereditary Amyloidosis (7)
Hereditary Angioedema (99)
Hereditary Angioedema Type III (1)
Hereditary Angioedema Types I and II (10)
Hereditary Antithrombin Deficiency (11)
Hereditary Antithrombin Deficiency Type 2 (1)
Hereditary Ataxia (5)
Hereditary Autoinflammatory Diseases (132)
Hereditary Breast and Ovarian Cancer Syndrome (45)
Hereditary Central Nervous System Demyelinating Diseases (81)
Hereditary Cerebral Hemorrhage With Amyloidosis (13)
Hereditary Coproporphyria (10)
Hereditary Diffuse Gastric Cancer (7)
Hereditary Elliptocytosis (1)
Hereditary Fructose Intolerance (9)
Hereditary Hemorrhagic Telangiectasia (69)
Hereditary Leiomyomatosis and Renal Cell Cancer (4)
Hereditary Melanoma (2)
Hereditary Methemoglobinemia (1)
Hereditary Motor and Sensory Neuropathy (376)
Hereditary Multiple Osteochondromas (5)
Hereditary Neuropathy With Liability to Pressure Palsies (376)
Hereditary Pancreatitis (8)
Hereditary Paraganglioma-pheochromocytoma (1)
Hereditary Sensory Neuropathy Type 1 (1)
Hereditary Sensory and Autonomic Neuropathies (15)
Hereditary Sensory and Motor Neuropathy (376)
Hereditary Spastic Paraplegia (16)
Hereditary Spherocytosis (5)
Heredodegenerative Disorders, Nervous System (1,258)
Hermanski-Pudlak Syndrome (9)
Hermansky-Pudlak Syndrome (9)
Hernia (1,210)
Hernia, Abdominal (556)
Hernia, Diaphragmatic (104)
Hernia, Femoral (8)
Hernia, Hiatal (46)
Hernia, Inguinal (365)
Hernia, Umbilical (46)
Hernia, Ventral (208)
Hernias, Diaphragmatic, Congenital (63)
Heroin Dependence (91)
Herpangina (4)
Herpes Genitalis (70)
Herpes Labialis (51)
Herpes Simiae (B Virus) (382)
Herpes Simplex (247)
Herpes Simplex Encephalitis (3)
Herpes Zoster (342)
Herpes Zoster Ophthalmicus (2)
Herpes Zoster Oticus (1)
Herpesviridae Infections (1,237)
Heterotaxy (6)
Heterotaxy Syndrome (6)
Hiccup (5)
Hidradenitis (110)
Hidradenitis Suppurativa (107)
Hidradenocarcinoma (1)
Hip Dislocation (115)
Hip Dislocation, Congenital (108)
Hip Fractures (608)
Hip Injuries (667)
Hirschsprung Disease (33)
Hirsutism (32)
His Bundle Tachycardia (1)
Histiocytic Disorders, Malignant (5)
Histiocytic Necrotizing Lymphadenitis (2)
Histiocytic Sarcoma (5)
Histiocytoma (80)
Histiocytoma, Benign Fibrous (48)
Histiocytoma, Malignant Fibrous (79)
Histiocytosis (168)
Histiocytosis, Langerhans-Cell (58)
Histiocytosis, Non-Langerhans-Cell (109)
Histiocytosis, Sinus (3)
Histoplasmosis (26)
Hoarding Disorder (20)
Hoarseness (91)
Hodgkin Disease (1,285)
Hodgkin Lymphoma (1,285)
Holoprosencephaly (4)
Homocystinuria (9)
Homocystinuria Due to CBS Deficiency (3)
Homologous Wasting Disease (801)
Hookworm Infections (46)
Hordeolum (2)
Horizontal Gaze Palsy With Progressive Scoliosis (1)
Horner Syndrome (5)
Hot Flashes (245)
Hoyeraal Hreidarsson Syndrome (1)
Human HOXA1 Syndromes (1)
Human T-cell Leukemia Virus Type 1 (48)
Human T-cell Leukemia Virus Type 2 (6)
Humeral Fractures (135)
Huntington Disease (193)
Hurler Syndrome (56)
Hurlerâ€“Scheie Syndrome (16)
Hurthle Cell Thyroid Cancer (6)
Hutchinson's Melanotic Freckle (16)
Hyaline Fibromatosis Syndrome (1)
Hyaline Membrane Disease (45)
Hyalinosis, Systemic (1)
Hydatidiform Mole (12)
Hydatidiform Mole, Invasive (1)
Hydatidosis (14)
Hydranencephaly (1)
Hydrarthrosis (9)
Hydrocephalus (138)
Hydrocephalus, Normal Pressure (45)
Hydronephrosis (47)
Hydrophthalmos (15)
Hydropneumothorax (1)
Hydrops Fetalis (8)
Hydrothorax (12)
Hyper IgE Syndrome (11)
Hyper-IgD Syndrome (3)
Hyper-IgM Immunodeficiency Syndrome (18)
Hyper-IgM Immunodeficiency Syndrome, Type 1 (13)
Hyperacusis (14)
Hyperadrenalism (199)
Hyperaldosteronism (90)
Hyperalgesia (185)
Hyperammonemia (19)
Hyperandrogenism (73)
Hyperargininemia (4)
Hyperbilirubinemia (194)
Hyperbilirubinemia, Neonatal (80)
Hypercalcemia (54)
Hypercalciuria (29)
Hypercapnia (213)
Hypercholesterolemia (1,082)
Hyperekplexia (1)
Hyperemesis Gravidarum (23)
Hyperemia (60)
Hypereosinophilic Syndrome (120)
Hyperesthesia (1)
Hypergammaglobulinemia (89)
Hyperglycemia (1,173)
Hyperhidrosis (89)
Hyperhomocysteinemia (42)
Hyperinsulinism (2,552)
Hyperinsulinism-hyperammonemia Syndrome (1)
Hyperkalemia (66)
Hyperkalemic Periodic Paralysis (2)
Hyperkeratosis, Epidermolytic (2)
Hyperkinesis (1,101)
Hyperlactatemia (30)
Hyperlipidemia Type 3 (4)
Hyperlipidemia, Familial Combined (37)
Hyperlipidemias (1,788)
Hyperlipoproteinemia Type 4 (1)
Hyperlipoproteinemia Type 5 (9)
Hyperlipoproteinemia Type I (21)
Hyperlipoproteinemia Type II (168)
Hyperlipoproteinemia Type III (5)
Hyperlipoproteinemia Type IV (7)
Hyperlipoproteinemia Type V (9)
Hyperlipoproteinemias (1,754)
Hypermobile Ehlers-Danlos Syndrome (3)
Hypernatremia (33)
Hyperopia (94)
Hyperostosis (22)
Hyperostosis, Diffuse Idiopathic Skeletal (1)
Hyperoxaluria (51)
Hyperoxaluria, Primary (36)
Hyperoxia (97)
Hyperparathyroidism (322)
Hyperparathyroidism, Primary (77)
Hyperparathyroidism, Secondary (200)
Hyperphagia (270)
Hyperphosphatemia (147)
Hyperpigmentation (154)
Hyperplasia (880)
Hyperprolactinemia (32)
Hyperprolinemia (1)
Hypersensitivity (8,876)
Hypersensitivity Pneumonitis (16)
Hypersensitivity Vasculitis (2)
Hypersensitivity, Delayed (66)
Hypersensitivity, Immediate (5,537)
Hypersomnolence, Idiopathic (14)
Hypersplenism (6)
Hypertelorism (12)
Hypertension (8,189)
Hypertension, Malignant (3)
Hypertension, Portal (293)
Hypertension, Pregnancy-Induced (571)
Hypertension, Pulmonary (1,080)
Hypertension, Renal (23)
Hypertension, Renovascular (15)
Hypertensive Encephalopathy (4)
Hypertensive Retinopathy (2)
Hyperthyroidism (185)
Hypertrichosis (11)
Hypertriglyceridemia (265)
Hypertriglyceridemic Waist (6)
Hypertrophy (733)
Hypertrophy, Left Ventricular (135)
Hypertrophy, Right Ventricular (7)
Hyperuricemia (151)
Hyperventilation (48)
Hypervitaminosis A (3)
Hypesthesia (35)
Hypoadrenocorticism, Familial (1)
Hypoalbuminemia (29)
Hypoaldosteronism (7)
Hypoalphalipoproteinemias (14)
Hypobetalipoproteinemia, Familial, Apolipoprotein B (1)
Hypobetalipoproteinemias (12)
Hypocalcemia (122)
Hypocapnia (9)
Hypochondriasis (12)
Hypochondroplasia (4)
Hypocomplementemic Urticarial Vasculitis (7)
Hypoganglionosis (2)
Hypoglossal Nerve Diseases (1)
Hypoglycemia (675)
Hypogonadism (342)
Hypohidrosis (3)
Hypohidrotic Ectodermal Dysplasia (17)
Hypokalemia (36)
Hypokalemic Periodic Paralysis (3)
Hypokinesia (99)
Hypolipoproteinemias (24)
Hyponatremia (141)
Hypoparathyroidism (101)
Hypopharyngeal Cancer (357)
Hypopharyngeal Neoplasms (28)
Hypophosphatasia (29)
Hypophosphatemia (71)
Hypophosphatemia, Familial (44)
Hypophosphatemic Rickets (47)
Hypopigmentation (169)
Hypopituitarism (159)
Hypoplastic Left Heart Syndrome (56)
Hypoplastic Right Heart Syndrome (3)
Hypoproteinemia (23)
Hypoprothrombinemias (1)
Hypospadias (65)
Hypotension (776)
Hypotension, Orthostatic (114)
Hypothalamic Diseases (556)
Hypothalamic Neoplasms (115)
Hypothalamic Obesity (11)
Hypothermia (481)
Hypothyroidism (159)
Hypotrichosis (312)
Hypotrichosis Simplex (1)
Hypoventilation (132)
Hypovolemia (107)
Hypoxanthine Guanine Phosphoribosyltransferase Deficiency (4)
Hypoxia (1,051)
Hypoxia, Brain (152)
Hypoxia-Ischemia, Brain (118)
Hysteria (38)

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