Clinical Trials by Condition: R
- REM Sleep Behavior Disorder (62)
- REM Sleep Parasomnias (59)
- RHYNS Syndrome (2)
- RNA Virus Infections (18,733)
- ROHHAD (3)
- Rabies (106)
- Radial Neuropathy (6)
- Radiation Induced Brachial Plexopathy (1)
- Radiation Induced Cancer (2)
- Radiation Injuries (466)
- Radiation Injuries, Experimental (1)
- Radiation Pneumonitis (43)
- Radicular Cyst (4)
- Radiculopathy (340)
- Radiodermatitis (117)
- Radius Fractures (272)
- Rapid-onset Dystonia-parkinsonism (3)
- Rare Diseases (530)
- Rasmussen Encephalitis (6)
- Raynaud Disease (84)
- Reactive Arthritis (16)
- Reactive Attachment Disorder (1)
- Recessive Dystrophic Epidermolysis Bullosa (37)
- Rectal Diseases (6,195)
- Rectal Fistula (151)
- Rectal Neoplasms (1,492)
- Rectal Prolapse (44)
- Rectocele (40)
- Rectovaginal Fistula (12)
- Recurrence (13,501)
- Recurrent Hydatidiform Mole (1)
- Recurrent Laryngeal Nerve Injuries (9)
- Recurrent Respiratory Papillomatosis (26)
- Red-Cell Aplasia, Pure (68)
- Refeeding Syndrome (13)
- Reflex Sympathetic Dystrophy (164)
- Reflex, Abnormal (18)
- Refractive Errors (1,487)
- Refsum Disease (8)
- Refsum Disease, Infantile (4)
- Refsum Disease, Infantile Form (4)
- Reinfection (60)
- Reinjuries (14)
- Relapsing Fever (3)
- Relapsing Polychondritis (8)
- Relative Energy Deficiency in Sport (16)
- Remission, Spontaneous (3)
- Renal Agenesis (3)
- Renal Artery Obstruction (57)
- Renal Cell Carcinoma (1,960)
- Renal Cell Carcinoma 4 (1)
- Renal Colic (68)
- Renal Glycosuria (3)
- Renal Hypouricemia (1)
- Renal Insufficiency (6,170)
- Renal Insufficiency, Chronic (3,838)
- Renal Medullary Carcinoma (17)
- Renal Nutcracker Syndrome (1)
- Renal Oncocytoma (3)
- Renal Tubular Acidosis (8)
- Renal Tubular Transport, Inborn Errors (177)
- Reperfusion Injury (363)
- Reproductive Tract Infections (6)
- Respiration Disorders (7,307)
- Respiratory Aspiration (4,361)
- Respiratory Aspiration of Gastric Contents (21)
- Respiratory Distress Syndrome (1,523)
- Respiratory Distress Syndrome, Infant (1,525)
- Respiratory Distress Syndrome, Newborn (1,523)
- Respiratory Hypersensitivity (4,389)
- Respiratory Insufficiency (1,879)
- Respiratory Paralysis (32)
- Respiratory Sounds (207)
- Respiratory Syncytial Virus Infections (213)
- Respiratory System Abnormalities (43)
- Respiratory Tract Diseases (41,424)
- Respiratory Tract Fistula (18)
- Respiratory Tract Infections (14,712)
- Respiratory Tract Neoplasms (8,747)
- Restless Legs Syndrome (225)
- 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 (27)
- Retinal Degeneration (2,329)
- Retinal Detachment (195)
- Retinal Diseases (3,760)
- Retinal Drusen (7)
- Retinal Dystrophies (271)
- Retinal Hemorrhage (6)
- Retinal Necrosis Syndrome, Acute (2)
- Retinal Neoplasms (116)
- Retinal Neovascularization (26)
- Retinal Perforations (129)
- Retinal Telangiectasis (9)
- Retinal Vasculitis (13)
- Retinal Vasculopathy With Cerebral Leukodystrophy With Systemic Manifestations (1)
- Retinal Vein Occlusion (270)
- Retinitis (331)
- Retinitis Pigmentosa (252)
- Retinitis Pigmentosa 11 (2)
- Retinitis Pigmentosa 15 (15)
- Retinitis Pigmentosa 20 (1)
- Retinoblastoma (127)
- Retinopathy of Prematurity (151)
- Retinoschisis (16)
- Retrocochlear Diseases (157)
- Retrognathia (22)
- Retroperitoneal Fibrosis (14)
- Retroperitoneal Liposarcoma (4)
- Retroperitoneal Neoplasms (6)
- Retropharyngeal Abscess (1)
- Retroviridae Infections (4,438)
- Rett Syndrome (73)
- Reversible Cerebral Vasoconstriction Syndrome (9)
- Revesz Syndrome (1)
- Reynolds Syndrome (1)
- Rhabdoid Tumor (119)
- Rhabdomyolysis (31)
- Rhabdomyoma (1)
- Rhabdomyosarcoma (316)
- Rhabdomyosarcoma Alveolar (15)
- Rhabdomyosarcoma Embryonal (14)
- Rhabdomyosarcoma, Alveolar (14)
- Rhabdomyosarcoma, Embryonal (38)
- Rhabdoviridae Infections (96)
- Rheumatic Diseases (9,253)
- Rheumatic Fever (88)
- Rheumatic Heart Disease (46)
- Rheumatoid Nodule (1)
- Rheumatoid Vasculitis (1)
- Rhinitis (1,179)
- Rhinitis, Allergic (1,037)
- Rhinitis, Allergic, Perennial (177)
- Rhinitis, Allergic, Seasonal (439)
- Rhinitis, Atrophic (4)
- Rhinitis, Vasomotor (10)
- Rhinorrhea (26)
- Rhinoscleroma (3)
- Rhizomelic Chondrodysplasia Punctata (3)
- Rib Fractures (103)
- Riboflavin Deficiency (1)
- Riboflavin Transporter Deficiency (1)
- Richter Syndrome (68)
- Rickets (210)
- Rickets, Hypophosphatemic (57)
- 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 (19)
- Root Resorption (30)
- Rosacea (196)
- Rosai-Dorfman Disease (6)
- Rotator Cuff Injuries (541)
- Rotator Cuff Tear Arthropathy (38)
- Rotavirus Infections (100)
- Rothmund-Thomson Syndrome (2)
- Roussy Levy Syndrome (570)
- Rubella (106)
- Rubella Syndrome, Congenital (2)
- Rubinstein-Taybi Syndrome (4)
- Rumination Disorder (82)
- Rumination Syndrome (82)
- Rupture (1,835)
- Rupture, Spontaneous (9)
- Russell-Silver Syndrome (4)