Clinical Trials by Condition: R
- REM Sleep Behavior Disorder (57)
- REM Sleep Parasomnias (55)
- RHYNS Syndrome (2)
- RNA Virus Infections (17,908)
- ROHHAD (3)
- Rabies (98)
- Radial Neuropathy (6)
- Radiation Induced Brachial Plexopathy (1)
- Radiation Induced Cancer (2)
- Radiation Injuries (433)
- Radiation Injuries, Experimental (1)
- Radiation Pneumonitis (41)
- Radicular Cyst (4)
- Radiculopathy (299)
- Radiodermatitis (109)
- Radius Fractures (252)
- Rapid-onset Dystonia-parkinsonism (3)
- Rare Diseases (513)
- Rasmussen Encephalitis (6)
- Raynaud Disease (83)
- Reactive Arthritis (16)
- Reactive Attachment Disorder (1)
- Recessive Dystrophic Epidermolysis Bullosa (34)
- Rectal Diseases (5,856)
- Rectal Fistula (141)
- Rectal Neoplasms (1,411)
- Rectal Prolapse (42)
- Rectocele (40)
- Rectovaginal Fistula (11)
- Recurrence (13,081)
- Recurrent Hydatidiform Mole (1)
- Recurrent Laryngeal Nerve Injuries (8)
- Recurrent Respiratory Papillomatosis (25)
- Red-Cell Aplasia, Pure (65)
- Refeeding Syndrome (12)
- Reflex Sympathetic Dystrophy (152)
- Reflex, Abnormal (18)
- Refractive Errors (1,373)
- Refsum Disease (8)
- Refsum Disease, Infantile (4)
- Refsum Disease, Infantile Form (4)
- Reinfection (56)
- Reinjuries (12)
- Relapsing Fever (3)
- Relapsing Polychondritis (8)
- Relative Energy Deficiency in Sport (13)
- Remission, Spontaneous (3)
- Renal Agenesis (3)
- Renal Artery Obstruction (52)
- Renal Cell Carcinoma (1,881)
- Renal Cell Carcinoma 4 (1)
- Renal Colic (62)
- Renal Glycosuria (3)
- Renal Hypouricemia (1)
- Renal Insufficiency (5,902)
- Renal Insufficiency, Chronic (3,663)
- Renal Medullary Carcinoma (15)
- Renal Nutcracker Syndrome (1)
- Renal Oncocytoma (3)
- Renal Tubular Acidosis (8)
- Renal Tubular Transport, Inborn Errors (173)
- Reperfusion Injury (348)
- Reproductive Tract Infections (6)
- Respiration Disorders (7,015)
- Respiratory Aspiration (4,156)
- Respiratory Aspiration of Gastric Contents (17)
- Respiratory Distress Syndrome (1,439)
- Respiratory Distress Syndrome, Infant (1,441)
- Respiratory Distress Syndrome, Newborn (1,439)
- Respiratory Hypersensitivity (4,232)
- Respiratory Insufficiency (1,789)
- Respiratory Paralysis (32)
- Respiratory Sounds (188)
- Respiratory Syncytial Virus Infections (193)
- Respiratory System Abnormalities (39)
- Respiratory Tract Diseases (39,415)
- Respiratory Tract Fistula (15)
- Respiratory Tract Infections (13,874)
- Respiratory Tract Neoplasms (8,328)
- Restless Legs Syndrome (216)
- Restless Legs Syndrome, Susceptibility To, 1 (2)
- Restless Legs Syndrome, Susceptibility To, 6 (3)
- Reticular Dysgenesis (3)
- Reticulohistiocytoma (1)
- Retinal Arterial Macroaneurysm (3)
- Retinal Artery Occlusion (25)
- Retinal Degeneration (2,226)
- Retinal Detachment (180)
- Retinal Diseases (3,583)
- Retinal Drusen (7)
- Retinal Dystrophies (254)
- Retinal Hemorrhage (5)
- Retinal Necrosis Syndrome, Acute (2)
- Retinal Neoplasms (114)
- Retinal Neovascularization (24)
- Retinal Perforations (121)
- Retinal Telangiectasis (8)
- Retinal Vasculitis (12)
- Retinal Vasculopathy With Cerebral Leukodystrophy With Systemic Manifestations (1)
- Retinal Vein Occlusion (265)
- Retinitis (316)
- Retinitis Pigmentosa (237)
- Retinitis Pigmentosa 11 (1)
- Retinitis Pigmentosa 15 (12)
- Retinitis Pigmentosa 20 (1)
- Retinoblastoma (125)
- Retinopathy of Prematurity (141)
- Retinoschisis (15)
- Retrocochlear Diseases (148)
- Retrognathia (21)
- Retroperitoneal Fibrosis (14)
- Retroperitoneal Liposarcoma (4)
- Retroperitoneal Neoplasms (5)
- Retropharyngeal Abscess (1)
- Retroviridae Infections (4,360)
- Rett Syndrome (68)
- Reversible Cerebral Vasoconstriction Syndrome (9)
- Revesz Syndrome (1)
- Reynolds Syndrome (1)
- Rhabdoid Tumor (114)
- Rhabdomyolysis (30)
- Rhabdomyoma (1)
- Rhabdomyosarcoma (311)
- Rhabdomyosarcoma Alveolar (15)
- Rhabdomyosarcoma Embryonal (14)
- Rhabdomyosarcoma, Alveolar (14)
- Rhabdomyosarcoma, Embryonal (37)
- Rhabdoviridae Infections (88)
- Rheumatic Diseases (8,793)
- Rheumatic Fever (82)
- Rheumatic Heart Disease (41)
- Rheumatoid Nodule (1)
- Rheumatoid Vasculitis (1)
- Rhinitis (1,147)
- Rhinitis, Allergic (1,010)
- Rhinitis, Allergic, Perennial (175)
- Rhinitis, Allergic, Seasonal (434)
- Rhinitis, Atrophic (4)
- Rhinitis, Vasomotor (10)
- Rhinorrhea (25)
- Rhinoscleroma (3)
- Rhizomelic Chondrodysplasia Punctata (3)
- Rib Fractures (95)
- Richter Syndrome (65)
- Rickets (206)
- Rickets, Hypophosphatemic (55)
- Rickettsia Infections (17)
- Rift Valley Fever (8)
- Rigid Spine Syndrome (23)
- Rocky Mountain Spotted Fever (2)
- Rokitansky Sequence (2)
- Romano-Ward Syndrome (4)
- Root Caries (17)
- Root Resorption (26)
- Rosacea (186)
- Rosai-Dorfman Disease (5)
- Rotator Cuff Injuries (504)
- Rotator Cuff Tear Arthropathy (36)
- Rotavirus Infections (99)
- Rothmund-Thomson Syndrome (2)
- Roussy Levy Syndrome (519)
- Rubella (103)
- Rubella Syndrome, Congenital (2)
- Rubinstein-Taybi Syndrome (3)
- Rumination Disorder (72)
- Rumination Syndrome (72)
- Rupture (1,734)
- Rupture, Spontaneous (9)
- Russell-Silver Syndrome (4)