Clinical Trials by Condition: R
- REM Sleep Behavior Disorder (43)
- REM Sleep Parasomnias (41)
- RHYNS Syndrome (1)
- RNA Virus Infections (10,686)
- ROHHAD (3)
- Rabies (88)
- Radial Neuropathy (4)
- Radiation Induced Brachial Plexopathy (1)
- Radiation Induced Cancer (2)
- Radiation Injuries (287)
- Radiation Injuries, Experimental (1)
- Radiation Pneumonitis (26)
- Radicular Cyst (2)
- Radiculopathy (214)
- Radiodermatitis (78)
- Radius Fractures (200)
- Rapid-onset Dystonia-parkinsonism (3)
- Rare Diseases (457)
- Rasmussen Encephalitis (5)
- Raynaud Disease (73)
- Reactive Arthritis (10)
- Reactive Attachment Disorder (1)
- Recessive Dystrophic Epidermolysis Bullosa (27)
- Rectal Diseases (4,739)
- Rectal Fistula (99)
- Rectal Neoplasms (1,150)
- Rectal Prolapse (35)
- Rectocele (32)
- Rectovaginal Fistula (5)
- Recurrence (1,979)
- Recurrent Hydatidiform Mole (1)
- Recurrent Laryngeal Nerve Injuries (5)
- Recurrent Respiratory Papillomatosis (21)
- Red-Cell Aplasia, Pure (63)
- Reducing Body Myopathy (1)
- Refeeding Syndrome (9)
- Reflex Sympathetic Dystrophy (125)
- Reflex, Abnormal (13)
- Refractive Errors (1,021)
- Refsum Disease (7)
- Refsum Disease, Infantile (4)
- Refsum Disease, Infantile Form (4)
- Relapsing Fever (2)
- Relapsing Polychondritis (6)
- Remission, Spontaneous (2)
- Renal Agenesis (3)
- Renal Artery Obstruction (51)
- Renal Cell Carcinoma (1,610)
- Renal Cell Carcinoma 4 (1)
- Renal Colic (58)
- Renal Hypouricemia (1)
- Renal Insufficiency (4,930)
- Renal Insufficiency, Chronic (3,081)
- Renal Medullary Carcinoma (12)
- Renal Oncocytoma (3)
- Renal Tubular Acidosis (8)
- Renal Tubular Transport, Inborn Errors (155)
- Reperfusion Injury (290)
- Reproductive Tract Infections (6)
- Respiration Disorders (5,613)
- Respiratory Aspiration (3,459)
- Respiratory Aspiration of Gastric Contents (14)
- Respiratory Distress Syndrome, Adult (1,145)
- Respiratory Distress Syndrome, Infant (1,121)
- Respiratory Distress Syndrome, Newborn (1,120)
- Respiratory Hypersensitivity (3,746)
- Respiratory Insufficiency (1,406)
- Respiratory Paralysis (26)
- Respiratory Sounds (157)
- Respiratory Syncytial Virus Infections (150)
- Respiratory System Abnormalities (28)
- Respiratory Tract Diseases (28,162)
- Respiratory Tract Infections (6,540)
- Respiratory Tract Neoplasms (6,608)
- Restless Legs Syndrome (187)
- Restless Legs Syndrome, Susceptibility To, 1 (2)
- Restless Legs Syndrome, Susceptibility To, 6 (3)
- Reticular Dysgenesis (3)
- Reticulohistiocytoma (1)
- Retinal Artery Occlusion (21)
- Retinal Degeneration (1,867)
- Retinal Detachment (147)
- Retinal Diseases (2,976)
- Retinal Drusen (6)
- Retinal Dystrophies (198)
- Retinal Hemorrhage (5)
- Retinal Necrosis Syndrome, Acute (2)
- Retinal Neoplasms (102)
- Retinal Neovascularization (21)
- Retinal Perforations (99)
- Retinal Telangiectasis (7)
- Retinal Vasculitis (12)
- Retinal Vasculopathy With Cerebral Leukodystrophy (1)
- Retinal Vein Occlusion (228)
- Retinitis (260)
- Retinitis Pigmentosa (186)
- Retinitis Pigmentosa 15 (4)
- Retinoblastoma (111)
- Retinopathy of Prematurity (107)
- Retinoschisis (15)
- Retrocochlear Diseases (123)
- Retrognathia (12)
- Retroperitoneal Fibrosis (10)
- Retroperitoneal Liposarcoma (3)
- Retroperitoneal Neoplasms (5)
- Retropharyngeal Abscess (1)
- Retroviridae Infections (4,016)
- Rett Syndrome (55)
- Reversible Cerebral Vasoconstriction Syndrome (6)
- Revesz Syndrome (1)
- Rhabdoid Tumor (98)
- Rhabdomyolysis (24)
- Rhabdomyoma (1)
- Rhabdomyosarcoma (285)
- Rhabdomyosarcoma Alveolar (13)
- Rhabdomyosarcoma Embryonal (13)
- Rhabdomyosarcoma, Alveolar (12)
- Rhabdomyosarcoma, Embryonal (35)
- Rheumatic Diseases (7,168)
- Rheumatic Fever (52)
- Rheumatic Heart Disease (30)
- Rheumatoid Nodule (1)
- Rheumatoid Vasculitis (1)
- Rhinitis (1,016)
- Rhinitis, Allergic (891)
- Rhinitis, Allergic, Perennial (168)
- Rhinitis, Allergic, Seasonal (398)
- Rhinitis, Atrophic (3)
- Rhinitis, Vasomotor (9)
- Rhinoscleroma (2)
- Rhizomelic Chondrodysplasia Punctata (2)
- Rib Fractures (62)
- Richter Syndrome (47)
- Rickets (169)
- Rickets, Hypophosphatemic (46)
- Rickettsia Infections (14)
- Rift Valley Fever (5)
- Rigid Spine Syndrome (22)
- Rokitansky Sequence (2)
- Romano-Ward Syndrome (3)
- Root Caries (14)
- Root Resorption (15)
- Rosacea (163)
- Rosai-Dorfman Disease (3)
- Rotator Cuff Injuries (341)
- Rotator Cuff Tear Arthropathy (24)
- Rotavirus Infections (95)
- Rothmund-Thomson Syndrome (2)
- Roussy Levy Syndrome (363)
- Rubella (97)
- Rubella Syndrome, Congenital (2)
- Rubinstein-Taybi Syndrome (2)
- Rumination Disorder (48)
- Rupture (1,335)
- Rupture, Spontaneous (9)
- Russell-Silver Syndrome (3)