Clinical Trials by Condition: R
- REM Sleep Behavior Disorder (42)
- REM Sleep Parasomnias (40)
- RHYNS Syndrome (1)
- RNA Virus Infections (9,853)
- ROHHAD (3)
- Rabies (87)
- Radial Neuropathy (4)
- Radiation Induced Brachial Plexopathy (1)
- Radiation Injuries (284)
- Radiation Injuries, Experimental (1)
- Radiation Pneumonitis (25)
- Radicular Cyst (2)
- Radiculopathy (212)
- Radiodermatitis (78)
- Radius Fractures (195)
- Rapid-onset Dystonia-parkinsonism (3)
- Rare Diseases (448)
- Rasmussen Encephalitis (4)
- Raynaud Disease (72)
- Reactive Arthritis (9)
- Reactive Attachment Disorder (1)
- Recessive Dystrophic Epidermolysis Bullosa (27)
- Rectal Diseases (4,618)
- Rectal Fistula (94)
- Rectal Neoplasms (1,110)
- Rectal Prolapse (35)
- Rectocele (32)
- Rectovaginal Fistula (5)
- Recurrence (1,930)
- Recurrent Hydatidiform Mole (1)
- Recurrent Laryngeal Nerve Injuries (4)
- Recurrent Respiratory Papillomatosis (20)
- Red-Cell Aplasia, Pure (62)
- Reducing Body Myopathy (1)
- Refeeding Syndrome (9)
- Reflex Sympathetic Dystrophy (124)
- Reflex, Abnormal (12)
- Refractive Errors (991)
- 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 (49)
- Renal Cell Carcinoma (1,578)
- Renal Cell Carcinoma 4 (1)
- Renal Colic (56)
- Renal Insufficiency (4,826)
- Renal Insufficiency, Chronic (3,023)
- Renal Medullary Carcinoma (11)
- Renal Oncocytoma (3)
- Renal Tubular Acidosis (8)
- Renal Tubular Transport, Inborn Errors (152)
- Reperfusion Injury (287)
- Reproductive Tract Infections (5)
- Respiration Disorders (5,300)
- Respiratory Aspiration (3,377)
- Respiratory Aspiration of Gastric Contents (14)
- Respiratory Distress Syndrome, Adult (970)
- Respiratory Distress Syndrome, Infant (948)
- Respiratory Distress Syndrome, Newborn (947)
- Respiratory Hypersensitivity (3,705)
- Respiratory Insufficiency (1,279)
- Respiratory Paralysis (25)
- Respiratory Sounds (155)
- Respiratory Syncytial Virus Infections (148)
- Respiratory System Abnormalities (51)
- Respiratory Tract Diseases (27,058)
- Respiratory Tract Infections (5,978)
- Respiratory Tract Neoplasms (6,465)
- Restless Legs Syndrome (186)
- 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 (1,808)
- Retinal Detachment (143)
- Retinal Diseases (2,900)
- Retinal Drusen (6)
- Retinal Dystrophies (192)
- Retinal Hemorrhage (5)
- Retinal Necrosis Syndrome, Acute (2)
- Retinal Neoplasms (94)
- Retinal Neovascularization (21)
- Retinal Perforations (97)
- Retinal Telangiectasis (7)
- Retinal Vasculitis (12)
- Retinal Vasculopathy With Cerebral Leukodystrophy (1)
- Retinal Vein Occlusion (224)
- Retinitis (254)
- Retinitis Pigmentosa (180)
- Retinitis Pigmentosa 15 (4)
- Retinoblastoma (102)
- Retinopathy of Prematurity (106)
- Retinoschisis (15)
- Retrocochlear Diseases (119)
- Retrognathia (13)
- Retroperitoneal Fibrosis (10)
- Retroperitoneal Liposarcoma (3)
- Retroperitoneal Neoplasms (5)
- Retropharyngeal Abscess (1)
- Retroviridae Infections (3,685)
- Rett Syndrome (56)
- Reversible Cerebral Vasoconstriction Syndrome (6)
- Revesz Syndrome (1)
- Rhabdoid Tumor (96)
- Rhabdomyolysis (24)
- Rhabdomyoma (1)
- Rhabdomyosarcoma (281)
- Rhabdomyosarcoma Alveolar (13)
- Rhabdomyosarcoma Embryonal (13)
- Rhabdomyosarcoma, Alveolar (12)
- Rhabdomyosarcoma, Embryonal (35)
- Rheumatic Diseases (6,999)
- Rheumatic Fever (50)
- Rheumatic Heart Disease (30)
- Rheumatoid Nodule (1)
- Rheumatoid Vasculitis (1)
- Rhinitis (1,006)
- Rhinitis, Allergic (884)
- Rhinitis, Allergic, Perennial (166)
- Rhinitis, Allergic, Seasonal (396)
- Rhinitis, Atrophic (3)
- Rhinitis, Vasomotor (9)
- Rhinoscleroma (2)
- Rhizomelic Chondrodysplasia Punctata (2)
- Rib Fractures (61)
- Richter Syndrome (47)
- Rickets (168)
- Rickets, Hypophosphatemic (44)
- Rickettsia Infections (14)
- Rift Valley Fever (5)
- Rigid Spine Syndrome (22)
- Rokitansky Sequence (2)
- Romano-Ward Syndrome (3)
- Root Caries (11)
- Root Resorption (14)
- Rosacea (160)
- Rosai-Dorfman Disease (3)
- Rotator Cuff Injuries (324)
- Rotator Cuff Tear Arthropathy (23)
- Rotavirus Infections (95)
- Rothmund-Thomson Syndrome (2)
- Roussy Levy Syndrome (349)
- Rubella (93)
- Rubella Syndrome, Congenital (2)
- Rubinstein-Taybi Syndrome (2)
- Rumination Disorder (44)
- Rupture (1,288)
- Rupture, Spontaneous (9)
- Russell-Silver Syndrome (3)