25,729 articles
Roger A. Rosenblatt
Roger A. Rosenblatt (1945–2014) was an American family physician and health-services researcher at the University of Washington who founded the WWAMI Rural Health Research Center and was elected to the Institute of Medicine in 1987.
Roger J. Bulger
Roger J. Bulger (1933–2025) was an American physician, infectious-disease researcher, and academic health leader who led the Institute of Medicine, UTHealth Houston, and the Association of Academic Health Centers.
Roger Kirby
Roger Kirby is a British prostate surgeon who was President of the Royal Society of Medicine from 2020 to 2024 and pioneered robotic prostate surgery in the UK.
Rohitaka Lauha
Rohitaka Lauha (रोहितक लौह), AFI monograph 21:8 from Bhaishajyaratnavali 41/117, is an Ayurvedic herbo-mineral iron formula: Lauha Bhasma equal to ten herbal powders including Rohitaka bark, dosed 250-500 mg for spleen, liver, and jaundice.
Roid rage
Roid rage, also called steroid rage, is aggression and irritability attributed to anabolic-androgenic steroid use; meta-analyses show a small self-reported aggression increase in trials, with causality and real-world doses still debated.
Roifman syndrome
Roifman syndrome (OMIM 616651, ORPHA:353298), also called spondyloepiphyseal dysplasia-retinal dystrophy-immunodeficiency syndrome, is an ultra-rare autosomal recessive RNU4ATAC (2q14.2) minor spliceosome disorder with growth retardation, skeletal dysplasia, retinal dystrophy, and antibody deficiency.
Rolapitant
Rolapitant (Varubi), an oral NK1 receptor antagonist approved by the FDA in 2015, prevents delayed chemotherapy-induced nausea and vomiting; single 180 mg dose, ~176-hour half-life, no CYP3A4 inhibition, moderate CYP2D6 inhibitor.
Rolditamig deuderuxtecan
Rolditamig deuderuxtecan (TQB2102) is a HER2 bispecific antibody-drug conjugate from Chia Tai Tianqing (Sino Biopharmaceutical), targeting HER2 ECD II and ECD IV with a cleavable linker and topoisomerase I inhibitor payload; licensed exclusively to Cipla for India, South Africa, and five other emerging markets in August 2026.
Rolfing
Rolfing, or Structural Integration, is a system of bodywork and movement education developed by American biochemist Ida Rolf that works with fascia to reorganize the body in gravity.
Roluperidone
Roluperidone (MIN-101, CYR-101) is Minerva Neurosciences' investigational 5-HT2A, sigma-2, and alpha-1A antagonist for negative symptoms of schizophrenia; NDA received a 2024 CRL, confirmatory Phase 3 C19 trial ongoing.
ROMAN trial (NCT02804893)
The ROMAN trial (NCT02804893) was a randomized trial comparing robotic-assisted thoracoscopic surgery with video-assisted surgery for early-stage lung cancer, closed early for futility after enrolling 77 patients.
ROMAN trial (NCT03903744)
ROMAN (NCT03903744), the Roman Syncope Study, is a completed randomized open-label trial by Piotr Kulakowski in Warsaw testing cardioneuroablation versus standard treatment in refractory vasovagal syncope, with two-year syncope burden follow-up.
Roman W. DeSanctis
Roman W. DeSanctis (1930–2024) was an American cardiologist who spent 59 years at Massachusetts General Hospital in Boston, founding its first coronary care unit and directing Clinical Cardiology.
ROMAN2 trial
ROMAN2 (NCT05225532) is a prospective randomized trial comparing right-atrial versus left-atrial cardioneuroablation for reflex asystolic syncope; stopped after 40 patients because ECVS-confirmed complete vagal denervation was far less often achieved from the right atrium.
Romano–Ward syndrome
Romano–Ward syndrome is the most common, autosomal dominant form of congenital long QT syndrome, in which the heart recharges slowly between beats, risking fainting and sudden death without deafness.
Romberg's test
Romberg's test: bedside balance test, feet together, eyes open then closed; positive when balance is lost with eyes closed, indicating dorsal column proprioceptive loss; variants include sharpened tandem Romberg and CTSIB.
ROMICAT-II trial
ROMICAT-II (Rule Out Myocardial Ischemia/Infarction by Computer Assisted Tomography II), NCT01084239: 2010-2012 US randomized trial of 1,000 low-to-intermediate-risk chest pain patients showing early coronary CT angiography shortened ED stay (23 vs 31 hours) and raised direct discharge (47% vs 12%) with more radiation but similar costs.
Romidepsin
Romidepsin (Istodax, FK228, depsipeptide) is a bicyclic depsipeptide HDAC inhibitor from Chromobacterium violaceum, FDA-approved in 2009 for cutaneous T-cell lymphoma; its PTCL indication was withdrawn in 2021 after Ro-CHOP.
Romiplostim
Romiplostim (Nplate), a thrombopoietin receptor agonist peptibody with four 14-amino-acid TPO-binding peptides on an IgG1 Fc, treats ITP (US approval 2008) and radiation-induced HS-ARS (2021) by stimulating megakaryocyte platelet production.
Romlusevimab
Romlusevimab (BRII-198) is a fully human monoclonal antibody against the SARS-CoV-2 spike protein, paired with amubarvimab in the first COVID-19 antibody combination therapy approved in China.
Romosozumab
Romosozumab (Evenity) is a humanized anti-sclerostin monoclonal antibody by Amgen and UCB Pharma for severe postmenopausal osteoporosis; 210 mg monthly for 12 months, with boxed cardiovascular warning and fracture reductions in FRAME and ARCH.
Ron Woodroof
Ron Woodroof (1950–1992), Dallas electrician diagnosed with AIDS in the mid-1980s, founded the Dallas Buyers Club in 1988, smuggling non-FDA-approved drugs from Mexico and Japan; subject of the 2013 film Dallas Buyers Club.
Ronald Bayer
Ronald Bayer is Professor Emeritus of Sociomedical Sciences at Columbia University's Mailman School of Public Health, known for work on the ethics of AIDS, tuberculosis, and tobacco control.
Ronald D. Miller
Ronald D. Miller (1939–2025) was an American anesthesiologist at the University of California, San Francisco, who chaired its anesthesia department for 25 years and edited Miller's Anesthesia.
Ronald Paul DeMatteo
Ronald Paul DeMatteo is an American surgical oncologist, chair of surgery at the University of Pennsylvania, known for leading the national adjuvant imatinib trials that changed GIST care.
Ronald Reagan UCLA Medical Center
Ronald Reagan UCLA Medical Center, the UCLA Health adult teaching hospital in Westwood, Los Angeles; founded 1955, renamed 2008; Level 1 trauma center, seismic-resistant I.M. Pei building, 520 beds at opening, Resnick psychiatric hospital relocating 2026.
Ronnie and Donnie Galyon
Ronnie and Donnie Galyon, Dayton, Ohio conjoined twins joined sternum to pelvis, sideshow performers, died 4 July 2020 at 68 years 253 days as the oldest conjoined twins ever documented.
Ronopterin
Ronopterin (VAS203, 4-aminotetrahydrobiopterin) is a pterin-based nitric oxide synthase inhibitor developed by vasopharm for traumatic brain injury; it missed the primary endpoint of the phase III NOSTRA-III trial but showed benefit within 12 hours of trauma.
Root anomaly
Root anomaly (ICD-11 DA07.4, 歯根異常): a developmental dental disorder altering tooth root number, shape, or size, including short root anomaly, dilaceration, and taurodontism, often linked to HERS disruption, trauma, or genetic syndromes.
Root canal
Root canal treatment (endodontic therapy) removes infected dental pulp, disinfects and seals the root canals to save a tooth. Pooled survival is 86-93% over 2-10 years; outcomes rival dental implants at lower cost.