Clinical Trials by Condition: R
- REM Sleep Behavior Disorder (59)
- REM Sleep Parasomnias (56)
- RHYNS Syndrome (2)
- RNA Virus Infections (18,324)
- ROHHAD (3)
- Rabies (103)
- Radial Neuropathy (6)
- Radiation Induced Brachial Plexopathy (1)
- Radiation Induced Cancer (2)
- Radiation Injuries (449)
- Radiation Injuries, Experimental (1)
- Radiation Pneumonitis (43)
- Radicular Cyst (4)
- Radiculopathy (320)
- Radiodermatitis (115)
- Radius Fractures (263)
- Rapid-onset Dystonia-parkinsonism (3)
- Rare Diseases (517)
- Rasmussen Encephalitis (6)
- Raynaud Disease (83)
- Reactive Arthritis (16)
- Reactive Attachment Disorder (1)
- Recessive Dystrophic Epidermolysis Bullosa (34)
- Rectal Diseases (6,027)
- Rectal Fistula (147)
- Rectal Neoplasms (1,461)
- Rectal Prolapse (43)
- Rectocele (40)
- Rectovaginal Fistula (11)
- Recurrence (13,283)
- Recurrent Hydatidiform Mole (1)
- Recurrent Laryngeal Nerve Injuries (9)
- Recurrent Respiratory Papillomatosis (25)
- Red-Cell Aplasia, Pure (67)
- Refeeding Syndrome (13)
- Reflex Sympathetic Dystrophy (155)
- Reflex, Abnormal (18)
- Refractive Errors (1,423)
- Refsum Disease (8)
- Refsum Disease, Infantile (4)
- Refsum Disease, Infantile Form (4)
- Reinfection (56)
- Reinjuries (13)
- Relapsing Fever (3)
- Relapsing Polychondritis (8)
- Relative Energy Deficiency in Sport (16)
- Remission, Spontaneous (3)
- Renal Agenesis (3)
- Renal Artery Obstruction (54)
- Renal Cell Carcinoma (1,905)
- Renal Cell Carcinoma 4 (1)
- Renal Colic (66)
- Renal Glycosuria (3)
- Renal Hypouricemia (1)
- Renal Insufficiency (6,025)
- Renal Insufficiency, Chronic (3,740)
- Renal Medullary Carcinoma (16)
- Renal Nutcracker Syndrome (1)
- Renal Oncocytoma (3)
- Renal Tubular Acidosis (8)
- Renal Tubular Transport, Inborn Errors (176)
- Reperfusion Injury (358)
- Reproductive Tract Infections (6)
- Respiration Disorders (7,191)
- Respiratory Aspiration (4,269)
- Respiratory Aspiration of Gastric Contents (18)
- Respiratory Distress Syndrome (1,472)
- Respiratory Distress Syndrome, Infant (1,474)
- Respiratory Distress Syndrome, Newborn (1,472)
- Respiratory Hypersensitivity (4,302)
- Respiratory Insufficiency (1,833)
- Respiratory Paralysis (32)
- Respiratory Sounds (197)
- Respiratory Syncytial Virus Infections (207)
- Respiratory System Abnormalities (40)
- Respiratory Tract Diseases (40,401)
- Respiratory Tract Fistula (15)
- Respiratory Tract Infections (14,290)
- Respiratory Tract Neoplasms (8,515)
- Restless Legs Syndrome (219)
- Restless Legs Syndrome, Susceptibility To, 1 (2)
- Restless Legs Syndrome, Susceptibility To, 6 (3)
- Reticular Dysgenesis (3)
- Reticulohistiocytoma (1)
- Retinal Arterial Macroaneurysm (3)
- Retinal Artery Occlusion (26)
- Retinal Degeneration (2,276)
- Retinal Detachment (187)
- Retinal Diseases (3,667)
- Retinal Drusen (7)
- Retinal Dystrophies (259)
- Retinal Hemorrhage (6)
- Retinal Necrosis Syndrome, Acute (2)
- Retinal Neoplasms (116)
- Retinal Neovascularization (26)
- Retinal Perforations (122)
- Retinal Telangiectasis (9)
- Retinal Vasculitis (13)
- Retinal Vasculopathy With Cerebral Leukodystrophy With Systemic Manifestations (1)
- Retinal Vein Occlusion (267)
- Retinitis (320)
- Retinitis Pigmentosa (241)
- Retinitis Pigmentosa 11 (2)
- Retinitis Pigmentosa 15 (12)
- Retinitis Pigmentosa 20 (1)
- Retinoblastoma (127)
- Retinopathy of Prematurity (145)
- Retinoschisis (15)
- Retrocochlear Diseases (154)
- Retrognathia (22)
- Retroperitoneal Fibrosis (14)
- Retroperitoneal Liposarcoma (4)
- Retroperitoneal Neoplasms (6)
- Retropharyngeal Abscess (1)
- Retroviridae Infections (4,397)
- Rett Syndrome (72)
- Reversible Cerebral Vasoconstriction Syndrome (9)
- Revesz Syndrome (1)
- Reynolds Syndrome (1)
- Rhabdoid Tumor (118)
- Rhabdomyolysis (31)
- Rhabdomyoma (1)
- Rhabdomyosarcoma (312)
- Rhabdomyosarcoma Alveolar (15)
- Rhabdomyosarcoma Embryonal (14)
- Rhabdomyosarcoma, Alveolar (14)
- Rhabdomyosarcoma, Embryonal (38)
- Rhabdoviridae Infections (93)
- Rheumatic Diseases (9,015)
- Rheumatic Fever (86)
- Rheumatic Heart Disease (44)
- Rheumatoid Nodule (1)
- Rheumatoid Vasculitis (1)
- Rhinitis (1,166)
- Rhinitis, Allergic (1,026)
- Rhinitis, Allergic, Perennial (176)
- Rhinitis, Allergic, Seasonal (438)
- Rhinitis, Atrophic (4)
- Rhinitis, Vasomotor (10)
- Rhinorrhea (25)
- Rhinoscleroma (3)
- Rhizomelic Chondrodysplasia Punctata (3)
- Rib Fractures (98)
- Riboflavin Deficiency (1)
- Riboflavin Transporter Deficiency (1)
- Richter Syndrome (67)
- Rickets (207)
- Rickets, Hypophosphatemic (56)
- Rickettsia Infections (17)
- Rift Valley Fever (8)
- Rigid Spine Syndrome (23)
- Rocky Mountain Spotted Fever (2)
- Roifman Syndrome (1)
- Rokitansky Sequence (2)
- Romano-Ward Syndrome (4)
- Root Caries (18)
- Root Resorption (28)
- Rosacea (191)
- Rosai-Dorfman Disease (6)
- Rotator Cuff Injuries (518)
- Rotator Cuff Tear Arthropathy (37)
- Rotavirus Infections (100)
- Rothmund-Thomson Syndrome (2)
- Roussy Levy Syndrome (543)
- Rubella (104)
- Rubella Syndrome, Congenital (2)
- Rubinstein-Taybi Syndrome (3)
- Rumination Disorder (77)
- Rumination Syndrome (77)
- Rupture (1,778)
- Rupture, Spontaneous (9)
- Russell-Silver Syndrome (4)