Clinical Trials by Condition: R
- REM Sleep Behavior Disorder (41)
- REM Sleep Parasomnias (39)
- RHYNS Syndrome (1)
- RNA Virus Infections (9,627)
- ROHHAD (3)
- Rabies (85)
- Radial Neuropathy (4)
- Radiation Induced Brachial Plexopathy (1)
- Radiation Injuries (275)
- Radiation Injuries, Experimental (1)
- Radiation Pneumonitis (25)
- Radiculopathy (202)
- Radiodermatitis (73)
- Radius Fractures (191)
- Rapid-onset Dystonia-parkinsonism (3)
- Rare Diseases (445)
- Rasmussen Encephalitis (4)
- Raynaud Disease (72)
- Reactive Arthritis (9)
- Reactive Attachment Disorder (1)
- Recessive Dystrophic Epidermolysis Bullosa (26)
- Rectal Diseases (4,522)
- Rectal Fistula (91)
- Rectal Neoplasms (1,089)
- Rectal Prolapse (35)
- Rectocele (32)
- Rectovaginal Fistula (4)
- Recurrence (1,882)
- Recurrent Hydatidiform Mole (1)
- Recurrent Laryngeal Nerve Injuries (4)
- Recurrent Respiratory Papillomatosis (20)
- Red-Cell Aplasia, Pure (61)
- Reducing Body Myopathy (1)
- Refeeding Syndrome (9)
- Reflex Sympathetic Dystrophy (124)
- Reflex, Abnormal (11)
- Refractive Errors (964)
- Refsum Disease (6)
- Refsum Disease, Infantile (4)
- Refsum Disease, Infantile Form (4)
- Relapsing Fever (2)
- Relapsing Polychondritis (6)
- Remission, Spontaneous (2)
- Renal Agenesis (3)
- Renal Artery Obstruction (48)
- Renal Cell Carcinoma (1,552)
- Renal Cell Carcinoma 4 (1)
- Renal Colic (56)
- Renal Insufficiency (4,749)
- Renal Insufficiency, Chronic (2,986)
- Renal Medullary Carcinoma (11)
- Renal Oncocytoma (3)
- Renal Tubular Acidosis (8)
- Renal Tubular Transport, Inborn Errors (150)
- Reperfusion Injury (281)
- Reproductive Tract Infections (5)
- Respiration Disorders (5,159)
- Respiratory Aspiration (3,323)
- Respiratory Aspiration of Gastric Contents (13)
- Respiratory Distress Syndrome, Adult (931)
- Respiratory Distress Syndrome, Infant (911)
- Respiratory Distress Syndrome, Newborn (910)
- Respiratory Hypersensitivity (3,670)
- Respiratory Insufficiency (1,242)
- Respiratory Paralysis (23)
- Respiratory Sounds (150)
- Respiratory Syncytial Virus Infections (144)
- Respiratory System Abnormalities (49)
- Respiratory Tract Diseases (26,483)
- Respiratory Tract Infections (5,813)
- Respiratory Tract Neoplasms (6,334)
- Restless Legs Syndrome (184)
- 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 (1,775)
- Retinal Detachment (141)
- Retinal Diseases (2,850)
- Retinal Drusen (6)
- Retinal Dystrophies (180)
- Retinal Hemorrhage (5)
- Retinal Necrosis Syndrome, Acute (2)
- Retinal Neoplasms (94)
- Retinal Neovascularization (20)
- Retinal Perforations (97)
- Retinal Telangiectasis (6)
- Retinal Vasculitis (12)
- Retinal Vasculopathy With Cerebral Leukodystrophy (1)
- Retinal Vein Occlusion (223)
- Retinitis (242)
- Retinitis Pigmentosa (169)
- Retinitis Pigmentosa 15 (3)
- Retinoblastoma (102)
- Retinopathy of Prematurity (105)
- Retinoschisis (15)
- Retrocochlear Diseases (116)
- Retrognathia (11)
- Retroperitoneal Fibrosis (8)
- Retroperitoneal Liposarcoma (3)
- Retroperitoneal Neoplasms (5)
- Retropharyngeal Abscess (1)
- Retroviridae Infections (3,660)
- Rett Syndrome (53)
- Reversible Cerebral Vasoconstriction Syndrome (6)
- Revesz Syndrome (1)
- Rhabdoid Tumor (93)
- Rhabdomyolysis (24)
- Rhabdomyoma (1)
- Rhabdomyosarcoma (276)
- Rhabdomyosarcoma Alveolar (13)
- Rhabdomyosarcoma Embryonal (13)
- Rhabdomyosarcoma, Alveolar (12)
- Rhabdomyosarcoma, Embryonal (35)
- Rheumatic Diseases (6,859)
- Rheumatic Fever (47)
- Rheumatic Heart Disease (30)
- Rheumatoid Nodule (1)
- Rheumatoid Vasculitis (1)
- Rhinitis (998)
- Rhinitis, Allergic (877)
- Rhinitis, Allergic, Perennial (164)
- Rhinitis, Allergic, Seasonal (394)
- Rhinitis, Atrophic (3)
- Rhinitis, Vasomotor (9)
- Rhinoscleroma (2)
- Rhizomelic Chondrodysplasia Punctata (2)
- Rib Fractures (58)
- Richter Syndrome (46)
- Rickets (164)
- Rickets, Hypophosphatemic (42)
- Rickettsia Infections (14)
- Rift Valley Fever (5)
- Rigid Spine Syndrome (22)
- Rokitansky Sequence (1)
- Romano-Ward Syndrome (3)
- Root Caries (10)
- Root Resorption (13)
- Rosacea (159)
- Rosai-Dorfman Disease (3)
- Rotator Cuff Injuries (317)
- Rotator Cuff Tear Arthropathy (22)
- Rotavirus Infections (95)
- Rothmund-Thomson Syndrome (2)
- Roussy Levy Syndrome (337)
- Rubella (93)
- Rubella Syndrome, Congenital (2)
- Rubinstein-Taybi Syndrome (2)
- Rumination Disorder (44)
- Rupture (1,259)
- Rupture, Spontaneous (9)
- Russell-Silver Syndrome (3)