Clinical Trials by Condition: R
- REM Sleep Behavior Disorder (46)
- REM Sleep Parasomnias (45)
- RHYNS Syndrome (1)
- RNA Virus Infections (16,669)
- ROHHAD (3)
- Rabies (95)
- Radial Neuropathy (5)
- Radiation Induced Brachial Plexopathy (1)
- Radiation Induced Cancer (2)
- Radiation Injuries (388)
- Radiation Injuries, Experimental (1)
- Radiation Pneumonitis (33)
- Radicular Cyst (2)
- Radiculopathy (263)
- Radiodermatitis (98)
- Radius Fractures (223)
- Rapid-onset Dystonia-parkinsonism (3)
- Rare Diseases (496)
- Rasmussen Encephalitis (6)
- Raynaud Disease (81)
- Reactive Arthritis (13)
- Reactive Attachment Disorder (1)
- Recessive Dystrophic Epidermolysis Bullosa (32)
- Rectal Diseases (5,399)
- Rectal Fistula (124)
- Rectal Neoplasms (1,309)
- Rectal Prolapse (40)
- Rectocele (40)
- Rectovaginal Fistula (10)
- Recurrence (2,301)
- Recurrent Hydatidiform Mole (1)
- Recurrent Laryngeal Nerve Injuries (7)
- Recurrent Respiratory Papillomatosis (24)
- Red-Cell Aplasia, Pure (64)
- Refeeding Syndrome (12)
- Reflex Sympathetic Dystrophy (140)
- Reflex, Abnormal (16)
- Refractive Errors (1,230)
- Refsum Disease (8)
- Refsum Disease, Infantile (4)
- Refsum Disease, Infantile Form (4)
- Reinfection (54)
- Reinjuries (9)
- Relapsing Fever (2)
- Relapsing Polychondritis (7)
- Relative Energy Deficiency in Sport (10)
- Remission, Spontaneous (2)
- Renal Agenesis (3)
- Renal Artery Obstruction (52)
- Renal Cell Carcinoma (1,762)
- Renal Cell Carcinoma 4 (1)
- Renal Colic (60)
- Renal Hypouricemia (1)
- Renal Insufficiency (5,484)
- Renal Insufficiency, Chronic (3,407)
- Renal Medullary Carcinoma (13)
- Renal Oncocytoma (3)
- Renal Tubular Acidosis (8)
- Renal Tubular Transport, Inborn Errors (171)
- Reperfusion Injury (323)
- Reproductive Tract Infections (6)
- Respiration Disorders (6,464)
- Respiratory Aspiration (3,846)
- Respiratory Aspiration of Gastric Contents (16)
- Respiratory Distress Syndrome (1,306)
- Respiratory Distress Syndrome, Infant (1,308)
- Respiratory Distress Syndrome, Newborn (1,306)
- Respiratory Hypersensitivity (4,031)
- Respiratory Insufficiency (1,658)
- Respiratory Paralysis (30)
- Respiratory Sounds (171)
- Respiratory Syncytial Virus Infections (183)
- Respiratory System Abnormalities (35)
- Respiratory Tract Diseases (36,569)
- Respiratory Tract Infections (12,194)
- Respiratory Tract Neoplasms (7,714)
- Restless Legs Syndrome (205)
- 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 (24)
- Retinal Degeneration (2,086)
- Retinal Detachment (170)
- Retinal Diseases (3,337)
- Retinal Drusen (7)
- Retinal Dystrophies (234)
- Retinal Hemorrhage (5)
- Retinal Necrosis Syndrome, Acute (2)
- Retinal Neoplasms (112)
- Retinal Neovascularization (22)
- Retinal Perforations (112)
- Retinal Telangiectasis (8)
- Retinal Vasculitis (12)
- Retinal Vasculopathy With Cerebral Leukodystrophy With Systemic Manifestations (1)
- Retinal Vein Occlusion (251)
- Retinitis (295)
- Retinitis Pigmentosa (218)
- Retinitis Pigmentosa 11 (1)
- Retinitis Pigmentosa 15 (12)
- Retinitis Pigmentosa 20 (1)
- Retinoblastoma (122)
- Retinopathy of Prematurity (129)
- Retinoschisis (15)
- Retrocochlear Diseases (138)
- Retrognathia (15)
- Retroperitoneal Fibrosis (12)
- Retroperitoneal Liposarcoma (3)
- Retroperitoneal Neoplasms (5)
- Retropharyngeal Abscess (1)
- Retroviridae Infections (4,201)
- Rett Syndrome (63)
- Reversible Cerebral Vasoconstriction Syndrome (8)
- Revesz Syndrome (1)
- Rhabdoid Tumor (109)
- Rhabdomyolysis (28)
- Rhabdomyoma (1)
- Rhabdomyosarcoma (301)
- Rhabdomyosarcoma Alveolar (14)
- Rhabdomyosarcoma Embryonal (13)
- Rhabdomyosarcoma, Alveolar (13)
- Rhabdomyosarcoma, Embryonal (36)
- Rhabdoviridae Infections (85)
- Rheumatic Diseases (8,127)
- Rheumatic Fever (74)
- Rheumatic Heart Disease (35)
- Rheumatoid Nodule (1)
- Rheumatoid Vasculitis (1)
- Rhinitis (1,091)
- Rhinitis, Allergic (960)
- Rhinitis, Allergic, Perennial (171)
- Rhinitis, Allergic, Seasonal (420)
- Rhinitis, Atrophic (4)
- Rhinitis, Vasomotor (9)
- Rhinorrhea (23)
- Rhinoscleroma (2)
- Rhizomelic Chondrodysplasia Punctata (3)
- Rib Fractures (82)
- Richter Syndrome (60)
- Rickets (189)
- Rickets, Hypophosphatemic (54)
- Rickettsia Infections (15)
- Rift Valley Fever (7)
- Rigid Spine Syndrome (22)
- Rokitansky Sequence (2)
- Romano-Ward Syndrome (4)
- Root Caries (15)
- Root Resorption (24)
- Rosacea (176)
- Rosai-Dorfman Disease (4)
- Rotator Cuff Injuries (452)
- Rotator Cuff Tear Arthropathy (29)
- Rotavirus Infections (98)
- Rothmund-Thomson Syndrome (2)
- Roussy Levy Syndrome (433)
- Rubella (99)
- Rubella Syndrome, Congenital (2)
- Rubinstein-Taybi Syndrome (3)
- Rumination Disorder (61)
- Rumination Syndrome (61)
- Rupture (1,572)
- Rupture, Spontaneous (9)
- Russell-Silver Syndrome (4)