Clinical Trials by Condition: R
- REM Sleep Behavior Disorder (55)
- REM Sleep Parasomnias (54)
- RHYNS Syndrome (1)
- RNA Virus Infections (17,558)
- ROHHAD (3)
- Rabies (96)
- Radial Neuropathy (6)
- Radiation Induced Brachial Plexopathy (1)
- Radiation Induced Cancer (2)
- Radiation Injuries (415)
- Radiation Injuries, Experimental (1)
- Radiation Pneumonitis (37)
- Radicular Cyst (3)
- Radiculopathy (288)
- Radiodermatitis (106)
- Radius Fractures (241)
- Rapid-onset Dystonia-parkinsonism (3)
- Rare Diseases (510)
- Rasmussen Encephalitis (6)
- Raynaud Disease (83)
- Reactive Arthritis (14)
- Reactive Attachment Disorder (1)
- Recessive Dystrophic Epidermolysis Bullosa (33)
- Rectal Diseases (5,686)
- Rectal Fistula (134)
- Rectal Neoplasms (1,374)
- Rectal Prolapse (42)
- Rectocele (40)
- Rectovaginal Fistula (11)
- Recurrence (2,451)
- Recurrent Hydatidiform Mole (1)
- Recurrent Laryngeal Nerve Injuries (8)
- Recurrent Respiratory Papillomatosis (25)
- Red-Cell Aplasia, Pure (65)
- Refeeding Syndrome (12)
- Reflex Sympathetic Dystrophy (146)
- Reflex, Abnormal (18)
- Refractive Errors (1,312)
- Refsum Disease (8)
- Refsum Disease, Infantile (4)
- Refsum Disease, Infantile Form (4)
- Reinfection (56)
- Reinjuries (10)
- Relapsing Fever (3)
- Relapsing Polychondritis (8)
- Relative Energy Deficiency in Sport (12)
- Remission, Spontaneous (2)
- Renal Agenesis (3)
- Renal Artery Obstruction (52)
- Renal Cell Carcinoma (1,838)
- Renal Cell Carcinoma 4 (1)
- Renal Colic (62)
- Renal Hypouricemia (1)
- Renal Insufficiency (5,751)
- Renal Insufficiency, Chronic (3,580)
- Renal Medullary Carcinoma (15)
- Renal Nutcracker Syndrome (1)
- Renal Oncocytoma (3)
- Renal Tubular Acidosis (8)
- Renal Tubular Transport, Inborn Errors (172)
- Reperfusion Injury (339)
- Reproductive Tract Infections (6)
- Respiration Disorders (6,856)
- Respiratory Aspiration (4,041)
- Respiratory Aspiration of Gastric Contents (16)
- Respiratory Distress Syndrome (1,388)
- Respiratory Distress Syndrome, Infant (1,390)
- Respiratory Distress Syndrome, Newborn (1,388)
- Respiratory Hypersensitivity (4,166)
- Respiratory Insufficiency (1,748)
- Respiratory Paralysis (30)
- Respiratory Sounds (182)
- Respiratory Syncytial Virus Infections (191)
- Respiratory System Abnormalities (37)
- Respiratory Tract Diseases (38,495)
- Respiratory Tract Fistula (15)
- Respiratory Tract Infections (13,023)
- Respiratory Tract Neoplasms (8,087)
- Restless Legs Syndrome (213)
- 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 (2,174)
- Retinal Detachment (174)
- Retinal Diseases (3,485)
- Retinal Drusen (7)
- Retinal Dystrophies (248)
- Retinal Hemorrhage (5)
- Retinal Necrosis Syndrome, Acute (2)
- Retinal Neoplasms (113)
- Retinal Neovascularization (24)
- Retinal Perforations (118)
- Retinal Telangiectasis (8)
- Retinal Vasculitis (12)
- Retinal Vasculopathy With Cerebral Leukodystrophy With Systemic Manifestations (1)
- Retinal Vein Occlusion (260)
- Retinitis (311)
- Retinitis Pigmentosa (232)
- Retinitis Pigmentosa 11 (1)
- Retinitis Pigmentosa 15 (12)
- Retinitis Pigmentosa 20 (1)
- Retinoblastoma (123)
- Retinopathy of Prematurity (139)
- Retinoschisis (15)
- Retrocochlear Diseases (143)
- Retrognathia (18)
- Retroperitoneal Fibrosis (13)
- Retroperitoneal Liposarcoma (3)
- Retroperitoneal Neoplasms (5)
- Retropharyngeal Abscess (1)
- Retroviridae Infections (4,294)
- Rett Syndrome (65)
- Reversible Cerebral Vasoconstriction Syndrome (8)
- Revesz Syndrome (1)
- Reynolds Syndrome (1)
- Rhabdoid Tumor (112)
- Rhabdomyolysis (29)
- Rhabdomyoma (1)
- Rhabdomyosarcoma (309)
- Rhabdomyosarcoma Alveolar (15)
- Rhabdomyosarcoma Embryonal (14)
- Rhabdomyosarcoma, Alveolar (14)
- Rhabdomyosarcoma, Embryonal (37)
- Rhabdoviridae Infections (86)
- Rheumatic Diseases (8,532)
- Rheumatic Fever (79)
- Rheumatic Heart Disease (38)
- Rheumatoid Nodule (1)
- Rheumatoid Vasculitis (1)
- Rhinitis (1,129)
- Rhinitis, Allergic (992)
- Rhinitis, Allergic, Perennial (174)
- Rhinitis, Allergic, Seasonal (429)
- Rhinitis, Atrophic (4)
- Rhinitis, Vasomotor (10)
- Rhinorrhea (25)
- Rhinoscleroma (2)
- Rhizomelic Chondrodysplasia Punctata (3)
- Rib Fractures (92)
- Richter Syndrome (61)
- Rickets (200)
- Rickets, Hypophosphatemic (55)
- Rickettsia Infections (15)
- Rift Valley Fever (8)
- Rigid Spine Syndrome (23)
- Rokitansky Sequence (2)
- Romano-Ward Syndrome (4)
- Root Caries (16)
- Root Resorption (25)
- Rosacea (185)
- Rosai-Dorfman Disease (5)
- Rotator Cuff Injuries (483)
- Rotator Cuff Tear Arthropathy (33)
- Rotavirus Infections (99)
- Rothmund-Thomson Syndrome (2)
- Roussy Levy Syndrome (480)
- Rubella (103)
- Rubella Syndrome, Congenital (2)
- Rubinstein-Taybi Syndrome (3)
- Rumination Disorder (68)
- Rumination Syndrome (68)
- Rupture (1,673)
- Rupture, Spontaneous (10)
- Russell-Silver Syndrome (4)