Clinical Trials by Condition: R
- REM Sleep Behavior Disorder (45)
- REM Sleep Parasomnias (44)
- RHYNS Syndrome (1)
- RNA Virus Infections (11,462)
- ROHHAD (3)
- Rabies (94)
- Radial Neuropathy (4)
- Radiation Induced Brachial Plexopathy (1)
- Radiation Induced Cancer (2)
- Radiation Injuries (322)
- Radiation Injuries, Experimental (1)
- Radiation Pneumonitis (31)
- Radicular Cyst (2)
- Radiculopathy (242)
- Radiodermatitis (88)
- Radius Fractures (214)
- Rapid-onset Dystonia-parkinsonism (3)
- Rare Diseases (481)
- Rasmussen Encephalitis (5)
- Raynaud Disease (77)
- Reactive Arthritis (11)
- Reactive Attachment Disorder (1)
- Recessive Dystrophic Epidermolysis Bullosa (30)
- Rectal Diseases (5,139)
- Rectal Fistula (113)
- Rectal Neoplasms (1,242)
- Rectal Prolapse (38)
- Rectocele (38)
- Rectovaginal Fistula (6)
- Recurrence (2,124)
- Recurrent Hydatidiform Mole (1)
- Recurrent Laryngeal Nerve Injuries (6)
- Recurrent Respiratory Papillomatosis (24)
- Red-Cell Aplasia, Pure (64)
- Reducing Body Myopathy (1)
- Refeeding Syndrome (9)
- Reflex Sympathetic Dystrophy (135)
- Reflex, Abnormal (15)
- Refractive Errors (1,147)
- Refsum Disease (8)
- 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 (1,709)
- Renal Cell Carcinoma 4 (1)
- Renal Colic (60)
- Renal Hypouricemia (1)
- Renal Insufficiency (5,248)
- Renal Insufficiency, Chronic (3,269)
- Renal Medullary Carcinoma (12)
- Renal Oncocytoma (3)
- Renal Tubular Acidosis (8)
- Renal Tubular Transport, Inborn Errors (162)
- Reperfusion Injury (303)
- Reproductive Tract Infections (6)
- Respiration Disorders (6,200)
- Respiratory Aspiration (3,700)
- Respiratory Aspiration of Gastric Contents (16)
- Respiratory Distress Syndrome, Adult (1,320)
- Respiratory Distress Syndrome, Infant (1,294)
- Respiratory Distress Syndrome, Newborn (1,292)
- Respiratory Hypersensitivity (3,913)
- Respiratory Insufficiency (1,578)
- Respiratory Paralysis (28)
- Respiratory Sounds (163)
- Respiratory Syncytial Virus Infections (166)
- Respiratory System Abnormalities (32)
- Respiratory Tract Diseases (30,532)
- Respiratory Tract Infections (7,306)
- Respiratory Tract Neoplasms (7,127)
- Restless Legs Syndrome (198)
- Restless Legs Syndrome, Susceptibility To, 1 (2)
- Restless Legs Syndrome, Susceptibility To, 6 (3)
- Reticular Dysgenesis (3)
- Reticulohistiocytoma (1)
- Retinal Artery Occlusion (23)
- Retinal Degeneration (2,009)
- Retinal Detachment (164)
- Retinal Diseases (3,215)
- Retinal Drusen (6)
- Retinal Dystrophies (220)
- Retinal Hemorrhage (5)
- Retinal Necrosis Syndrome, Acute (2)
- Retinal Neoplasms (107)
- Retinal Neovascularization (22)
- Retinal Perforations (109)
- Retinal Telangiectasis (8)
- Retinal Vasculitis (12)
- Retinal Vasculopathy With Cerebral Leukodystrophy With Systemic Manifestations (1)
- Retinal Vein Occlusion (246)
- Retinitis (278)
- Retinitis Pigmentosa (204)
- Retinitis Pigmentosa 11 (1)
- Retinitis Pigmentosa 15 (9)
- Retinitis Pigmentosa 20 (1)
- Retinoblastoma (116)
- Retinopathy of Prematurity (120)
- Retinoschisis (15)
- Retrocochlear Diseases (130)
- Retrognathia (14)
- Retroperitoneal Fibrosis (12)
- Retroperitoneal Liposarcoma (3)
- Retroperitoneal Neoplasms (5)
- Retropharyngeal Abscess (1)
- Retroviridae Infections (4,139)
- Rett Syndrome (58)
- Reversible Cerebral Vasoconstriction Syndrome (8)
- Revesz Syndrome (1)
- Rhabdoid Tumor (103)
- Rhabdomyolysis (26)
- Rhabdomyoma (1)
- Rhabdomyosarcoma (291)
- Rhabdomyosarcoma Alveolar (12)
- Rhabdomyosarcoma Embryonal (13)
- Rhabdomyosarcoma, Alveolar (11)
- Rhabdomyosarcoma, Embryonal (34)
- Rhabdoviridae Infections (84)
- Rheumatic Diseases (7,726)
- Rheumatic Fever (67)
- Rheumatic Heart Disease (33)
- Rheumatoid Nodule (1)
- Rheumatoid Vasculitis (1)
- Rhinitis (1,060)
- Rhinitis, Allergic (931)
- Rhinitis, Allergic, Perennial (170)
- Rhinitis, Allergic, Seasonal (416)
- Rhinitis, Atrophic (4)
- Rhinitis, Vasomotor (9)
- Rhinoscleroma (2)
- Rhizomelic Chondrodysplasia Punctata (3)
- Rib Fractures (73)
- Richter Syndrome (54)
- Rickets (181)
- Rickets, Hypophosphatemic (48)
- Rickettsia Infections (15)
- Rift Valley Fever (7)
- Rigid Spine Syndrome (22)
- Rokitansky Sequence (2)
- Romano-Ward Syndrome (4)
- Root Caries (15)
- Root Resorption (22)
- Rosacea (169)
- Rosai-Dorfman Disease (3)
- Rotator Cuff Injuries (413)
- Rotator Cuff Tear Arthropathy (26)
- Rotavirus Infections (96)
- Rothmund-Thomson Syndrome (2)
- Roussy Levy Syndrome (404)
- Rubella (99)
- Rubella Syndrome, Congenital (2)
- Rubinstein-Taybi Syndrome (2)
- Rumination Disorder (56)
- Rupture (1,527)
- Rupture, Spontaneous (9)
- Russell-Silver Syndrome (3)