Clinical Trials Involving Rare Diseases: R
- RHYNS Syndrome (1)
- ROHHAD (3)
- Rabies (95)
- Radiation Induced Brachial Plexopathy (1)
- Radiation Induced Cancer (2)
- Rapid-onset Dystonia-parkinsonism (3)
- Rasmussen Encephalitis (6)
- Reactive Arthritis (14)
- Recessive Dystrophic Epidermolysis Bullosa (33)
- Recurrent Hydatidiform Mole (1)
- Recurrent Respiratory Papillomatosis (24)
- Refsum Disease (8)
- Refsum Disease, Infantile Form (4)
- Relapsing Polychondritis (8)
- Renal Agenesis (3)
- Renal Cell Carcinoma (1,792)
- Renal Cell Carcinoma 4 (1)
- Renal Hypouricemia (1)
- Renal Medullary Carcinoma (13)
- Renal Nutcracker Syndrome (1)
- Renal Oncocytoma (3)
- Renal Tubular Acidosis (8)
- Respiratory Distress Syndrome, Infant (1,346)
- Restless Legs Syndrome, Susceptibility To, 1 (2)
- Restless Legs Syndrome, Susceptibility To, 6 (3)
- Reticular Dysgenesis (3)
- Reticulohistiocytoma (1)
- Retinal Vasculopathy With Cerebral Leukodystrophy With Systemic Manifestations (1)
- Retinitis Pigmentosa (225)
- Retinitis Pigmentosa 11 (1)
- Retinitis Pigmentosa 15 (12)
- Retinitis Pigmentosa 20 (1)
- Retinoblastoma (122)
- Retinopathy of Prematurity (136)
- Retroperitoneal Fibrosis (13)
- Retroperitoneal Liposarcoma (3)
- Rett Syndrome (63)
- Reversible Cerebral Vasoconstriction Syndrome (8)
- Revesz Syndrome (1)
- Reynolds Syndrome (1)
- Rhabdoid Tumor (112)
- Rhabdomyosarcoma Alveolar (14)
- Rhabdomyosarcoma Embryonal (13)
- Rheumatic Fever (74)
- Rheumatoid Vasculitis (1)
- Rhizomelic Chondrodysplasia Punctata (3)
- Richter Syndrome (62)
- Rickets (191)
- Rigid Spine Syndrome (22)
- Rokitansky Sequence (2)
- Rosai-Dorfman Disease (4)
- Rothmund-Thomson Syndrome (2)
- Roussy Levy Syndrome (447)
- Rubella (101)
- Rubinstein-Taybi Syndrome (3)
- Rumination Disorder (62)
- Russell-Silver Syndrome (4)