Clinical Trials Involving Rare Diseases: R
- RHYNS Syndrome (1)
- ROHHAD (3)
- Rabies (88)
- Radiation Induced Brachial Plexopathy (1)
- Radiation Induced Cancer (2)
- Rapid-onset Dystonia-parkinsonism (3)
- Rasmussen Encephalitis (5)
- Reactive Arthritis (10)
- Recessive Dystrophic Epidermolysis Bullosa (27)
- Recurrent Hydatidiform Mole (1)
- Recurrent Respiratory Papillomatosis (21)
- Reducing Body Myopathy (1)
- Refsum Disease (7)
- Refsum Disease, Infantile Form (4)
- Relapsing Polychondritis (6)
- Renal Agenesis (3)
- Renal Cell Carcinoma (1,610)
- Renal Cell Carcinoma 4 (1)
- Renal Hypouricemia (1)
- Renal Medullary Carcinoma (12)
- Renal Oncocytoma (3)
- Renal Tubular Acidosis (8)
- Respiratory Distress Syndrome, Infant (1,116)
- Restless Legs Syndrome, Susceptibility To, 1 (2)
- Restless Legs Syndrome, Susceptibility To, 6 (3)
- Reticular Dysgenesis (3)
- Reticulohistiocytoma (1)
- Retinal Vasculopathy With Cerebral Leukodystrophy (1)
- Retinitis Pigmentosa (186)
- Retinitis Pigmentosa 15 (4)
- Retinoblastoma (108)
- Retinopathy of Prematurity (107)
- Retroperitoneal Fibrosis (10)
- Retroperitoneal Liposarcoma (3)
- Rett Syndrome (55)
- Reversible Cerebral Vasoconstriction Syndrome (6)
- Revesz Syndrome (1)
- Rhabdoid Tumor (98)
- Rhabdomyosarcoma Alveolar (13)
- Rhabdomyosarcoma Embryonal (13)
- Rheumatic Fever (52)
- Rheumatoid Vasculitis (1)
- Rhizomelic Chondrodysplasia Punctata (2)
- Richter Syndrome (47)
- Rickets (169)
- Rigid Spine Syndrome (22)
- Rokitansky Sequence (2)
- Rosai-Dorfman Disease (3)
- Rothmund-Thomson Syndrome (2)
- Roussy Levy Syndrome (361)
- Rubella (97)
- Rubinstein-Taybi Syndrome (2)
- Rumination Disorder (48)
- Russell-Silver Syndrome (3)