- Rabies 16 studies
- Radiation Injuries 22 studies
- Radiation Pneumonitis 2 studies
- Radiculopathy 25 studies
- Radiodermatitis 4 studies
- Radius Fractures 25 studies
- Rare Diseases 348 studies
- Rasmussen encephalitis 2 studies
- Raynaud Disease 17 studies
- Reactive Attachment Disorder 1 study
- Rectal cancer 619 studies
- Rectal Diseases 1251 studies
- Rectal Fistula 9 studies
- Rectal Neoplasms 618 studies
- Rectal Prolapse 43 studies
- Rectocele 9 studies
- Recurrence 5162 studies
- Recurrent respiratory papillomatosis 6 studies
- Red-Cell Aplasia, Pure 27 studies
- Reflex Sympathetic Dystrophy 9 studies
- Reflex sympathetic dystrophy syndrome 9 studies
- Reflex, Abnormal 4 studies
- Refractive Errors 122 studies
- Refractory anemia 187 studies
- Refsum Disease 2 studies
- Refsum Disease, Infantile 2 studies
- Refsum disease, infantile form 2 studies
- Reiter's Syndrome 5 studies
- Relapsing Fever 1 study
- REM Sleep Behavior Disorder 2 studies
- Renal Artery Obstruction 15 studies
- Renal artery stenosis 17 studies
- Renal cancer 648 studies
- Renal hypertension 6 studies
- Renal Insufficiency 807 studies
- Renal Insufficiency, Acute 74 studies
- Renal Insufficiency, Chronic 641 studies
- Renal Osteodystrophy 13 studies
- Reperfusion Injury 51 studies
- Respiration Disorders 976 studies
- Respiratory Aspiration 1 study
- Respiratory Distress Syndrome, Adult 178 studies
- Respiratory distress syndrome, infant 5 studies
- Respiratory Distress Syndrome, Newborn 17 studies
- Respiratory Hypersensitivity 1094 studies
- Respiratory Insufficiency 145 studies
- Respiratory Paralysis 1 study
- Respiratory Sounds 22 studies
- Respiratory Syncytial Virus Infections 22 studies
- Respiratory Tract Diseases 6209 studies
- Respiratory Tract Infections 1469 studies
- Respirovirus Infections 1 study
- Restless Legs Syndrome 68 studies
- Retinal Artery Occlusion 3 studies
- Retinal Degeneration 448 studies
- Retinal Detachment 22 studies
- Retinal Diseases 725 studies
- Retinal Hemorrhage 2 studies
- Retinal Neoplasms 35 studies
- Retinal Neovascularization 4 studies
- Retinal Perforations 13 studies
- Retinal Vasculitis 6 studies
- Retinal Vein Occlusion 44 studies
- Retinitis 98 studies
- Retinitis Pigmentosa 34 studies
- Retinitis pigmentosa-deafness syndrome 5 studies
- Retinoblastoma 40 studies
- Retinopathy of Prematurity 25 studies
- Retinoschisis 2 studies
- Retrocochlear Diseases 25 studies
- Retrognathism 1 study
- Retroperitoneal Fibrosis 1 study
- Retroperitoneal Neoplasms 1 study
- Retroviridae Infections 2757 studies
- Rett Syndrome 11 studies
- Rh Isoimmunization 1 study
- Rhabdoid Tumor 39 studies
- Rhabdomyolysis 6 studies
- Rhabdomyosarcoma 157 studies
- Rhabdomyosarcoma, Embryonal 5 studies
- Rheumatic Diseases 1387 studies
- Rheumatic Fever 6 studies
- Rheumatic Heart Disease 6 studies
- Rhinitis 327 studies
- Rhinitis, Allergic, Perennial 66 studies
- Rhinitis, Allergic, Seasonal 170 studies
- Rhinitis, Atrophic 1 study
- Rhinitis, Vasomotor 5 studies
- Rhinoscleroma 1 study
- Rib Fractures 5 studies
- Richter syndrome 5 studies
- Rickets 23 studies
- Rickettsia Infections 3 studies
- Rickettsial disease 3 studies
- Rickettsiosis 3 studies
- Rift Valley Fever 3 studies
- Rod myopathy 1 study
- Root Resorption 1 study
- Rosacea 19 studies
- Rotavirus Infections 15 studies
- Roussy Levy hereditary areflexic dystasia 42 studies
- Rubella 41 studies
- Rupture 51 studies
Clinical Trials Authorship and Review
Clinical Trials content is provided directly by the U.S. National Institutes of Health via ClinicalTrials.gov and is not reviewed separately by ClinicalTrialsFeeds.org. Every page of specific clinical trials information contains a unique identifier which can be used to find further details directly from the National Institutes of Health.
