Clinical Trials Involving Rare Diseases: R
- RHYNS Syndrome (1)
- ROHHAD (3)
- Rabies (85)
- Radiation Induced Brachial Plexopathy (1)
- Rapid-onset Dystonia-parkinsonism (3)
- Rasmussen Encephalitis (4)
- Reactive Arthritis (9)
- Recessive Dystrophic Epidermolysis Bullosa (26)
- Recurrent Hydatidiform Mole (1)
- Recurrent Respiratory Papillomatosis (20)
- Reducing Body Myopathy (1)
- Refsum Disease (6)
- Refsum Disease, Infantile Form (4)
- Relapsing Polychondritis (6)
- Renal Agenesis (3)
- Renal Cell Carcinoma (1,552)
- Renal Cell Carcinoma 4 (1)
- Renal Medullary Carcinoma (11)
- Renal Oncocytoma (3)
- Renal Tubular Acidosis (8)
- Respiratory Distress Syndrome, Infant (911)
- 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 (169)
- Retinitis Pigmentosa 15 (3)
- Retinoblastoma (102)
- Retinopathy of Prematurity (105)
- Retroperitoneal Fibrosis (8)
- Retroperitoneal Liposarcoma (3)
- Rett Syndrome (53)
- Reversible Cerebral Vasoconstriction Syndrome (6)
- Revesz Syndrome (1)
- Rhabdoid Tumor (93)
- Rhabdomyosarcoma Alveolar (13)
- Rhabdomyosarcoma Embryonal (13)
- Rheumatic Fever (47)
- Rheumatoid Vasculitis (1)
- Rhizomelic Chondrodysplasia Punctata (2)
- Richter Syndrome (46)
- Rickets (164)
- Rigid Spine Syndrome (22)
- Rokitansky Sequence (1)
- Rosai-Dorfman Disease (3)
- Rothmund-Thomson Syndrome (2)
- Roussy Levy Syndrome (337)
- Rubella (93)
- Rubinstein-Taybi Syndrome (2)
- Rumination Disorder (44)
- Russell-Silver Syndrome (3)