Clinical Trials by Condition: R
- REM Sleep Behavior Disorder (40)
- REM Sleep Parasomnias (38)
- RHYNS Syndrome (1)
- RNA Virus Infections (9,540)
- ROHHAD (3)
- Rabies (83)
- Radial Neuropathy (4)
- Radiation Induced Brachial Plexopathy (1)
- Radiation Injuries (271)
- Radiation Injuries, Experimental (1)
- Radiation Pneumonitis (25)
- Radiculopathy (194)
- Radiodermatitis (71)
- Radius Fractures (189)
- Rapid-onset Dystonia-parkinsonism (3)
- Rare Diseases (442)
- Rasmussen Encephalitis (3)
- Raynaud Disease (72)
- Reactive Arthritis (9)
- Reactive Attachment Disorder (1)
- Recessive Dystrophic Epidermolysis Bullosa (22)
- Rectal Diseases (4,473)
- Rectal Fistula (87)
- Rectal Neoplasms (1,060)
- Rectal Prolapse (33)
- Rectocele (31)
- Rectovaginal Fistula (4)
- Recurrence (1,848)
- 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 (122)
- Reflex, Abnormal (11)
- Refractive Errors (946)
- 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 (47)
- Renal Cell Carcinoma (1,536)
- Renal Cell Carcinoma 4 (1)
- Renal Colic (53)
- Renal Insufficiency (4,685)
- Renal Insufficiency, Chronic (2,951)
- Renal Medullary Carcinoma (11)
- Renal Oncocytoma (3)
- Renal Tubular Acidosis (8)
- Renal Tubular Acidosis, Distal, Autosomal Dominant (4)
- Renal Tubular Transport, Inborn Errors (148)
- Reperfusion Injury (278)
- Reproductive Tract Infections (4)
- Respiration Disorders (5,073)
- Respiratory Aspiration (3,278)
- Respiratory Aspiration of Gastric Contents (12)
- Respiratory Distress Syndrome, Adult (919)
- Respiratory Distress Syndrome, Infant (899)
- Respiratory Distress Syndrome, Newborn (898)
- Respiratory Hypersensitivity (3,632)
- Respiratory Insufficiency (1,222)
- Respiratory Paralysis (22)
- Respiratory Sounds (149)
- Respiratory Syncytial Virus Infections (143)
- Respiratory System Abnormalities (48)
- Respiratory Tract Diseases (26,059)
- Respiratory Tract Infections (5,729)
- Respiratory Tract Neoplasms (6,207)
- Restless Legs Syndrome (183)
- 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 (1,766)
- Retinal Detachment (138)
- Retinal Diseases (2,832)
- Retinal Drusen (6)
- Retinal Dystrophies (178)
- Retinal Hemorrhage (5)
- Retinal Necrosis Syndrome, Acute (2)
- Retinal Neoplasms (93)
- Retinal Neovascularization (20)
- Retinal Perforations (95)
- Retinal Telangiectasis (6)
- Retinal Vasculitis (12)
- Retinal Vasculopathy With Cerebral Leukodystrophy (1)
- Retinal Vein Occlusion (223)
- Retinitis (240)
- Retinitis Pigmentosa (167)
- Retinitis Pigmentosa 15 (3)
- Retinitis Pigmentosa-deafness Syndrome (18)
- Retinoblastoma (101)
- Retinopathy of Prematurity (104)
- Retinoschisis (15)
- Retrocochlear Diseases (115)
- Retrognathia (11)
- Retroperitoneal Fibrosis (8)
- Retroperitoneal Liposarcoma (3)
- Retroperitoneal Neoplasms (5)
- Retropharyngeal Abscess (1)
- Retroviridae Infections (3,643)
- Rett Syndrome (51)
- Reversible Cerebral Vasoconstriction Syndrome (5)
- Revesz Syndrome (1)
- Rhabdoid Tumor (91)
- Rhabdomyolysis (24)
- Rhabdomyoma (1)
- Rhabdomyosarcoma (272)
- Rhabdomyosarcoma Alveolar (13)
- Rhabdomyosarcoma Embryonal (13)
- Rhabdomyosarcoma, Alveolar (12)
- Rhabdomyosarcoma, Embryonal (35)
- Rheumatic Diseases (6,704)
- Rheumatic Fever (46)
- Rheumatic Heart Disease (30)
- Rheumatoid Nodule (1)
- Rheumatoid Vasculitis (1)
- Rhinitis (991)
- Rhinitis, Allergic (872)
- Rhinitis, Allergic, Perennial (164)
- Rhinitis, Allergic, Seasonal (394)
- Rhinitis, Atrophic (3)
- Rhinitis, Vasomotor (9)
- Rhinoscleroma (2)
- Rhizomelic Chondrodysplasia Punctata (2)
- Rib Fractures (54)
- Richter Syndrome (45)
- Rickets (161)
- Rickets, Hypophosphatemic (39)
- 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 (158)
- Rosai-Dorfman Disease (3)
- Rotator Cuff Injuries (312)
- Rotator Cuff Tear Arthropathy (22)
- Rotavirus Infections (95)
- Rothmund-Thomson Syndrome (2)
- Roussy Levy Syndrome (331)
- Rubella (92)
- Rubella Syndrome, Congenital (1)
- Rubinstein-Taybi Syndrome (2)
- Rumination Disorder (42)
- Rupture (1,242)
- Rupture, Spontaneous (9)
- Russell-Silver Syndrome (3)