Clinical Trials by Condition: R
- REM Sleep Behavior Disorder (44)
- REM Sleep Parasomnias (43)
- RHYNS Syndrome (1)
- RNA Virus Infections (11,279)
- ROHHAD (3)
- Rabies (93)
- Radial Neuropathy (4)
- Radiation Induced Brachial Plexopathy (1)
- Radiation Induced Cancer (2)
- Radiation Injuries (314)
- Radiation Injuries, Experimental (1)
- Radiation Pneumonitis (30)
- Radicular Cyst (2)
- Radiculopathy (234)
- Radiodermatitis (87)
- Radius Fractures (210)
- Rapid-onset Dystonia-parkinsonism (3)
- Rare Diseases (472)
- Rasmussen Encephalitis (5)
- Raynaud Disease (76)
- Reactive Arthritis (10)
- Reactive Attachment Disorder (1)
- Recessive Dystrophic Epidermolysis Bullosa (30)
- Rectal Diseases (5,007)
- Rectal Fistula (107)
- Rectal Neoplasms (1,208)
- Rectal Prolapse (37)
- Rectocele (37)
- Rectovaginal Fistula (6)
- Recurrence (2,081)
- Recurrent Hydatidiform Mole (1)
- Recurrent Laryngeal Nerve Injuries (5)
- Recurrent Respiratory Papillomatosis (23)
- Red-Cell Aplasia, Pure (64)
- Reducing Body Myopathy (1)
- Refeeding Syndrome (9)
- Reflex Sympathetic Dystrophy (131)
- Reflex, Abnormal (15)
- Refractive Errors (1,110)
- Refsum Disease (8)
- Refsum Disease, Infantile (4)
- Refsum Disease, Infantile Form (4)
- Relapsing Fever (2)
- Relapsing Polychondritis (6)
- Remission, Spontaneous (2)
- Renal Agenesis (3)
- Renal Artery Obstruction (51)
- Renal Cell Carcinoma (1,686)
- Renal Cell Carcinoma 4 (1)
- Renal Colic (59)
- Renal Hypouricemia (1)
- Renal Insufficiency (5,167)
- Renal Insufficiency, Chronic (3,215)
- Renal Medullary Carcinoma (12)
- Renal Oncocytoma (3)
- Renal Tubular Acidosis (8)
- Renal Tubular Transport, Inborn Errors (159)
- Reperfusion Injury (300)
- Reproductive Tract Infections (6)
- Respiration Disorders (6,042)
- Respiratory Aspiration (3,630)
- Respiratory Aspiration of Gastric Contents (14)
- Respiratory Distress Syndrome, Adult (1,281)
- Respiratory Distress Syndrome, Infant (1,257)
- Respiratory Distress Syndrome, Newborn (1,255)
- Respiratory Hypersensitivity (3,875)
- Respiratory Insufficiency (1,547)
- Respiratory Paralysis (28)
- Respiratory Sounds (161)
- Respiratory Syncytial Virus Infections (160)
- Respiratory System Abnormalities (30)
- Respiratory Tract Diseases (29,902)
- Respiratory Tract Infections (7,116)
- Respiratory Tract Neoplasms (6,966)
- Restless Legs Syndrome (195)
- Restless Legs Syndrome, Susceptibility To, 1 (2)
- Restless Legs Syndrome, Susceptibility To, 6 (3)
- Reticular Dysgenesis (3)
- Reticulohistiocytoma (1)
- Retinal Artery Occlusion (22)
- Retinal Degeneration (1,968)
- Retinal Detachment (160)
- Retinal Diseases (3,149)
- Retinal Drusen (6)
- Retinal Dystrophies (213)
- Retinal Hemorrhage (5)
- Retinal Necrosis Syndrome, Acute (2)
- Retinal Neoplasms (106)
- Retinal Neovascularization (22)
- Retinal Perforations (108)
- Retinal Telangiectasis (8)
- Retinal Vasculitis (12)
- Retinal Vasculopathy With Cerebral Leukodystrophy With Systemic Manifestations (1)
- Retinal Vein Occlusion (241)
- Retinitis (271)
- Retinitis Pigmentosa (197)
- Retinitis Pigmentosa 15 (7)
- Retinitis Pigmentosa 20 (1)
- Retinoblastoma (115)
- Retinopathy of Prematurity (117)
- Retinoschisis (15)
- Retrocochlear Diseases (128)
- Retrognathia (14)
- Retroperitoneal Fibrosis (10)
- Retroperitoneal Liposarcoma (3)
- Retroperitoneal Neoplasms (5)
- Retropharyngeal Abscess (1)
- Retroviridae Infections (4,100)
- Rett Syndrome (57)
- Reversible Cerebral Vasoconstriction Syndrome (8)
- Revesz Syndrome (1)
- Rhabdoid Tumor (102)
- Rhabdomyolysis (26)
- Rhabdomyoma (1)
- Rhabdomyosarcoma (289)
- Rhabdomyosarcoma Alveolar (12)
- Rhabdomyosarcoma Embryonal (13)
- Rhabdomyosarcoma, Alveolar (11)
- Rhabdomyosarcoma, Embryonal (34)
- Rhabdoviridae Infections (83)
- Rheumatic Diseases (7,553)
- Rheumatic Fever (61)
- Rheumatic Heart Disease (32)
- Rheumatoid Nodule (1)
- Rheumatoid Vasculitis (1)
- Rhinitis (1,050)
- Rhinitis, Allergic (922)
- Rhinitis, Allergic, Perennial (170)
- Rhinitis, Allergic, Seasonal (412)
- Rhinitis, Atrophic (3)
- Rhinitis, Vasomotor (9)
- Rhinoscleroma (2)
- Rhizomelic Chondrodysplasia Punctata (3)
- Rib Fractures (71)
- Richter Syndrome (52)
- Rickets (175)
- Rickets, Hypophosphatemic (47)
- Rickettsia Infections (15)
- Rift Valley Fever (6)
- Rigid Spine Syndrome (22)
- Rokitansky Sequence (2)
- Romano-Ward Syndrome (4)
- Root Caries (15)
- Root Resorption (20)
- Rosacea (168)
- Rosai-Dorfman Disease (3)
- Rotator Cuff Injuries (398)
- Rotator Cuff Tear Arthropathy (26)
- Rotavirus Infections (96)
- Rothmund-Thomson Syndrome (2)
- Roussy Levy Syndrome (392)
- Rubella (99)
- Rubella Syndrome, Congenital (2)
- Rubinstein-Taybi Syndrome (2)
- Rumination Disorder (55)
- Rupture (1,485)
- Rupture, Spontaneous (9)
- Russell-Silver Syndrome (3)