Clinical Trials by Condition: R
- REM Sleep Behavior Disorder (46)
- REM Sleep Parasomnias (45)
- RHYNS Syndrome (1)
- RNA Virus Infections (11,668)
- ROHHAD (3)
- Rabies (95)
- Radial Neuropathy (5)
- Radiation Induced Brachial Plexopathy (1)
- Radiation Induced Cancer (2)
- Radiation Injuries (340)
- Radiation Injuries, Experimental (1)
- Radiation Pneumonitis (32)
- Radicular Cyst (2)
- Radiculopathy (254)
- Radiodermatitis (92)
- Radius Fractures (218)
- Rapid-onset Dystonia-parkinsonism (3)
- Rare Diseases (487)
- Rasmussen Encephalitis (5)
- Raynaud Disease (81)
- Reactive Arthritis (13)
- Reactive Attachment Disorder (1)
- Recessive Dystrophic Epidermolysis Bullosa (32)
- Rectal Diseases (5,288)
- Rectal Fistula (118)
- Rectal Neoplasms (1,283)
- Rectal Prolapse (40)
- Rectocele (39)
- Rectovaginal Fistula (7)
- Recurrence (2,217)
- Recurrent Hydatidiform Mole (1)
- Recurrent Laryngeal Nerve Injuries (6)
- Recurrent Respiratory Papillomatosis (24)
- Red-Cell Aplasia, Pure (64)
- Reducing Body Myopathy (1)
- Refeeding Syndrome (11)
- Reflex Sympathetic Dystrophy (137)
- Reflex, Abnormal (16)
- Refractive Errors (1,195)
- Refsum Disease (8)
- Refsum Disease, Infantile (4)
- Refsum Disease, Infantile Form (4)
- Relapsing Fever (2)
- Relapsing Polychondritis (7)
- Remission, Spontaneous (2)
- Renal Agenesis (3)
- Renal Artery Obstruction (51)
- Renal Cell Carcinoma (1,733)
- Renal Cell Carcinoma 4 (1)
- Renal Colic (60)
- Renal Hypouricemia (1)
- Renal Insufficiency (5,385)
- Renal Insufficiency, Chronic (3,349)
- Renal Medullary Carcinoma (13)
- Renal Oncocytoma (3)
- Renal Tubular Acidosis (8)
- Renal Tubular Transport, Inborn Errors (167)
- Reperfusion Injury (307)
- Reproductive Tract Infections (6)
- Respiration Disorders (6,406)
- Respiratory Aspiration (3,783)
- Respiratory Aspiration of Gastric Contents (16)
- Respiratory Distress Syndrome, Adult (1,378)
- Respiratory Distress Syndrome, Infant (1,352)
- Respiratory Distress Syndrome, Newborn (1,350)
- Respiratory Hypersensitivity (3,978)
- Respiratory Insufficiency (1,626)
- Respiratory Paralysis (28)
- Respiratory Sounds (168)
- Respiratory Syncytial Virus Infections (176)
- Respiratory System Abnormalities (34)
- Respiratory Tract Diseases (31,111)
- Respiratory Tract Infections (7,203)
- Respiratory Tract Neoplasms (7,352)
- Restless Legs Syndrome (202)
- Restless Legs Syndrome, Susceptibility To, 1 (2)
- Restless Legs Syndrome, Susceptibility To, 6 (3)
- Reticular Dysgenesis (3)
- Reticulohistiocytoma (1)
- Retinal Artery Occlusion (24)
- Retinal Degeneration (2,053)
- Retinal Detachment (167)
- Retinal Diseases (3,286)
- Retinal Drusen (6)
- Retinal Dystrophies (232)
- Retinal Hemorrhage (5)
- Retinal Necrosis Syndrome, Acute (2)
- Retinal Neoplasms (109)
- Retinal Neovascularization (22)
- Retinal Perforations (112)
- Retinal Telangiectasis (8)
- Retinal Vasculitis (12)
- Retinal Vasculopathy With Cerebral Leukodystrophy With Systemic Manifestations (1)
- Retinal Vein Occlusion (249)
- Retinitis (292)
- Retinitis Pigmentosa (216)
- Retinitis Pigmentosa 11 (1)
- Retinitis Pigmentosa 15 (12)
- Retinitis Pigmentosa 20 (1)
- Retinoblastoma (118)
- Retinopathy of Prematurity (124)
- Retinoschisis (15)
- Retrocochlear Diseases (137)
- Retrognathia (15)
- Retroperitoneal Fibrosis (12)
- Retroperitoneal Liposarcoma (3)
- Retroperitoneal Neoplasms (5)
- Retropharyngeal Abscess (1)
- Retroviridae Infections (4,194)
- Rett Syndrome (61)
- Reversible Cerebral Vasoconstriction Syndrome (8)
- Revesz Syndrome (1)
- Rhabdoid Tumor (107)
- Rhabdomyolysis (28)
- Rhabdomyoma (1)
- Rhabdomyosarcoma (297)
- Rhabdomyosarcoma Alveolar (12)
- Rhabdomyosarcoma Embryonal (13)
- Rhabdomyosarcoma, Alveolar (11)
- Rhabdomyosarcoma, Embryonal (34)
- Rhabdoviridae Infections (85)
- Rheumatic Diseases (7,943)
- Rheumatic Fever (70)
- Rheumatic Heart Disease (35)
- Rheumatoid Nodule (1)
- Rheumatoid Vasculitis (1)
- Rhinitis (1,081)
- Rhinitis, Allergic (950)
- Rhinitis, Allergic, Perennial (171)
- Rhinitis, Allergic, Seasonal (418)
- Rhinitis, Atrophic (4)
- Rhinitis, Vasomotor (9)
- Rhinoscleroma (2)
- Rhizomelic Chondrodysplasia Punctata (3)
- Rib Fractures (80)
- Richter Syndrome (57)
- Rickets (187)
- Rickets, Hypophosphatemic (53)
- Rickettsia Infections (15)
- Rift Valley Fever (7)
- Rigid Spine Syndrome (22)
- Rokitansky Sequence (2)
- Romano-Ward Syndrome (4)
- Root Caries (15)
- Root Resorption (23)
- Rosacea (174)
- Rosai-Dorfman Disease (4)
- Rotator Cuff Injuries (439)
- Rotator Cuff Tear Arthropathy (27)
- Rotavirus Infections (96)
- Rothmund-Thomson Syndrome (2)
- Roussy Levy Syndrome (419)
- Rubella (99)
- Rubella Syndrome, Congenital (2)
- Rubinstein-Taybi Syndrome (3)
- Rumination Disorder (59)
- Rupture (1,532)
- Rupture, Spontaneous (9)
- Russell-Silver Syndrome (3)