Clinical Trials by Condition: R
- REM Sleep Behavior Disorder (38)
- REM Sleep Parasomnias (36)
- RHYNS Syndrome (1)
- RNA Virus Infections (9,413)
- ROHHAD (3)
- Rabies (82)
- Radial Neuropathy (4)
- Radiation Induced Brachial Plexopathy (1)
- Radiation Injuries (266)
- Radiation Injuries, Experimental (1)
- Radiation Pneumonitis (25)
- Radiculopathy (193)
- Radiodermatitis (69)
- Radius Fractures (186)
- Rapid-onset Dystonia-parkinsonism (3)
- Rare Diseases (437)
- Rasmussen Encephalitis (3)
- Raynaud Disease (72)
- Reactive Arthritis (9)
- Reactive Attachment Disorder (1)
- Recessive Dystrophic Epidermolysis Bullosa (21)
- Rectal Diseases (4,406)
- Rectal Fistula (85)
- Rectal Neoplasms (1,040)
- Rectal Prolapse (31)
- Rectocele (31)
- Rectovaginal Fistula (4)
- Recurrence (1,827)
- Recurrent Hydatidiform Mole (1)
- Recurrent Laryngeal Nerve Injuries (4)
- Recurrent Respiratory Papillomatosis (20)
- Red-Cell Aplasia, Pure (60)
- Reducing Body Myopathy (1)
- Refeeding Syndrome (9)
- Reflex Sympathetic Dystrophy (121)
- Reflex, Abnormal (11)
- Refractive Errors (933)
- 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 (46)
- Renal Cell Carcinoma (1,509)
- Renal Cell Carcinoma 4 (1)
- Renal Colic (52)
- Renal Insufficiency (4,619)
- Renal Insufficiency, Chronic (2,908)
- Renal Medullary Carcinoma (11)
- Renal Oncocytoma (3)
- Renal Tubular Acidosis (8)
- Renal Tubular Acidosis, Distal, Autosomal Dominant (4)
- Renal Tubular Transport, Inborn Errors (145)
- Reperfusion Injury (278)
- Reproductive Tract Infections (3)
- Respiration Disorders (4,986)
- Respiratory Aspiration (3,231)
- Respiratory Aspiration of Gastric Contents (11)
- Respiratory Distress Syndrome, Adult (899)
- Respiratory Distress Syndrome, Infant (879)
- Respiratory Distress Syndrome, Newborn (878)
- Respiratory Hypersensitivity (3,605)
- Respiratory Insufficiency (1,198)
- Respiratory Paralysis (21)
- Respiratory Sounds (146)
- Respiratory Syncytial Virus Infections (140)
- Respiratory System Abnormalities (48)
- Respiratory Tract Diseases (25,738)
- Respiratory Tract Infections (5,659)
- Respiratory Tract Neoplasms (6,147)
- Restless Legs Syndrome (180)
- Restless Legs Syndrome, Susceptibility To, 1 (2)
- Restless Legs Syndrome, Susceptibility To, 6 (2)
- Reticular Dysgenesis (3)
- Reticulohistiocytoma (1)
- Retinal Artery Occlusion (21)
- Retinal Degeneration (1,741)
- Retinal Detachment (133)
- Retinal Diseases (2,791)
- Retinal Drusen (6)
- Retinal Dystrophies (171)
- Retinal Hemorrhage (4)
- Retinal Necrosis Syndrome, Acute (2)
- Retinal Neoplasms (92)
- Retinal Neovascularization (20)
- Retinal Perforations (93)
- Retinal Telangiectasis (6)
- Retinal Vasculitis (12)
- Retinal Vasculopathy With Cerebral Leukodystrophy (1)
- Retinal Vein Occlusion (217)
- Retinitis (234)
- Retinitis Pigmentosa (161)
- Retinitis Pigmentosa 15 (3)
- Retinitis Pigmentosa-deafness Syndrome (17)
- Retinoblastoma (101)
- Retinopathy of Prematurity (103)
- Retinoschisis (15)
- Retrocochlear Diseases (112)
- Retrognathia (11)
- Retroperitoneal Fibrosis (8)
- Retroperitoneal Liposarcoma (3)
- Retroperitoneal Neoplasms (5)
- Retropharyngeal Abscess (1)
- Retroviridae Infections (3,620)
- Rett Syndrome (71)
- Reversible Cerebral Vasoconstriction Syndrome (5)
- Revesz Syndrome (1)
- Rhabdoid Tumor (90)
- Rhabdomyolysis (23)
- Rhabdomyoma (1)
- Rhabdomyosarcoma (272)
- Rhabdomyosarcoma Alveolar (13)
- Rhabdomyosarcoma Embryonal (13)
- Rhabdomyosarcoma, Alveolar (12)
- Rhabdomyosarcoma, Embryonal (35)
- Rheumatic Diseases (6,791)
- Rheumatic Fever (46)
- Rheumatic Heart Disease (30)
- Rheumatoid Nodule (1)
- Rheumatoid Vasculitis (1)
- Rhinitis (983)
- Rhinitis, Allergic (867)
- Rhinitis, Allergic, Perennial (164)
- Rhinitis, Allergic, Seasonal (394)
- Rhinitis, Atrophic (3)
- Rhinitis, Vasomotor (9)
- Rhinoscleroma (2)
- Rhizomelic Chondrodysplasia Punctata (2)
- Rib Fractures (51)
- Richter Syndrome (45)
- Rickets (160)
- Rickets, Hypophosphatemic (38)
- 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 (153)
- Rosai-Dorfman Disease (3)
- Rotator Cuff Injuries (304)
- Rotator Cuff Tear Arthropathy (22)
- Rotavirus Infections (95)
- Rothmund-Thomson Syndrome (2)
- Roussy Levy Syndrome (324)
- Rubella (91)
- Rubella Syndrome, Congenital (1)
- Rubinstein-Taybi Syndrome (1)
- Rumination Disorder (41)
- Rupture (1,216)
- Rupture, Spontaneous (9)
- Russell-Silver Syndrome (3)