1,953 articles
CDAD trial
CDAD trial: clinical trials for Clostridioides difficile-associated diarrhea, covering probiotic adjunct trials (McFarland 1994, Surawicz 2000), prevention trials, guideline positions, and current registered studies like NCT05770726.
Cecil G. Sheps
Cecil G. Sheps (1913–2004) was a Canadian-born physician and health services researcher at UNC Chapel Hill, founding director of its Health Services Research Center, renamed for him in 1991.
Cedars-Sinai Medical Center
Cedars-Sinai Medical Center, also called Cedars of Lebanon-Mount Sinai after its 1961 merger, is a nonprofit academic hospital at 8700 Beverly Blvd, Los Angeles, with 919 licensed beds, tied #1 in California by U.S. News, and official medical provider for the LA28 Olympics.
CEDATA GPGE study
CEDATA-GPGE registry, a pseudonymized German-Austrian patient registry founded 1 July 2004 by the GPGE, documenting diagnosis, treatment, and outcomes in over 6,000 children with Crohn's disease, ulcerative colitis, or unclassified IBD.
CEM trial
CEM trial (Con-trust, NCT06629896): Italian randomized controlled trial testing contrast-enhanced mammography versus MRI plus digital mammography for surveillance of 2,200 high-risk breast cancer women, PNRR-funded, AUSL Reggio Emilia.
Centers for Disease Control and Prevention
The Centers for Disease Control and Prevention (CDC), founded July 1, 1946 in Atlanta as the Communicable Disease Center, is the U.S. national public health agency under HHS, known for disease surveillance, the Epidemic Intelligence Service, and smallpox eradication.
Centers for Medicare and Medicaid Services
Centers for Medicare and Medicaid Services (CMS), U.S. HHS agency in Baltimore administering Medicare, Medicaid, CHIP, and the Marketplace for over 100 million people; FY2024 outlays $839 billion Medicare, $584 billion Medicaid.
Central pathology review
Central pathology review is a quality-control procedure in multicenter clinical trials in which expert pathologists reverify local tissue diagnoses, standardizing grading, staging, and eligibility assessments.
Centre Hospitalier Universitaire Vaudois
Centre Hospitalier Universitaire Vaudois (CHUV), Lausanne University Hospital, one of five Swiss university hospitals; Vaud state service, three missions of care, teaching, research; 2025: 53,583 inpatients, 12,957 staff, ~2 billion francs budget; Newsweek 2026 rank 21st.
Certificate of Need
A certificate of need is a state permission document requiring health care providers to get approval before constructing facilities or offering new services, now in 35 states.
CFAN study
CFAN study: the Chinese Familial Alzheimer's Disease Network, a nationwide longitudinal FAD cohort founded in 2002 by Jianping Jia at Xuanwu Hospital, Capital Medical University; 69 centers in 26 provinces, NCT03657732, 404 pedigrees with 1,330 patients, targeting 40,000 subjects.
Chang Gung Memorial Hospital
Chang Gung Memorial Hospital (長庚紀念醫院), Taiwan's largest hospital network, founded by Formosa Plastics' Wang family; 10 branches, 11,360 beds, Asia's first proton therapy center, and a Xiamen branch in China.
Charing Cross Hospital
Charing Cross Hospital is an NHS acute teaching hospital in Hammersmith, London, run by Imperial College Healthcare NHS Trust. Founded 1818 by Benjamin Golding as the West London Infirmary, renamed 1827, moved to Fulham Palace Road 1973; CQC overall rating Good.
CHARISMA study
CHARISMA (NCT03793998) is an Italian multicenter prospective observational registry of real-world catheter ablation of cardiac arrhythmias using high-density mapping, sponsored by Azienda Ospedaliera Pugliese Ciaccio, with about 2000 planned enrollments and substudies on local impedance, cryoballoon, and ultra-high-density mapping.
Charité
Charité – Universitätsmedizin Berlin, founded 1710 as a plague house and named 1727 by Friedrich Wilhelm I, is Europe's largest university hospital, joint institution of Humboldt and Free Universities, with four campuses, the BIH, and the DHZC.
Charles Johnson-Bey
Charles "CJ" Johnson-Bey is an American electrical engineer, a senior vice president at Booz Allen Hamilton elected to the National Academy of Engineering in 2024.
Chart abstraction
Chart abstraction, also called medical record review or retrospective chart review, is a data collection method in which trained reviewers manually extract defined variables from patients' medical records for research and registries.
Chemical hazard
Chemical hazard: the intrinsic capacity of a chemical to harm health or cause physical danger, classified under GHS and OSHA HazCom; distinct from risk, which includes exposure.
Chemical Safety
Chemical safety: controlling exposure to hazardous substances via the NIOSH hierarchy of controls, OSHA PELs and HazCom/GHS safety data sheets, laboratory chemical hygiene, and EPA and EU chemical regulation.
Chemoprevention trial
A chemoprevention trial is a clinical trial testing whether a drug, vitamin, or other agent can prevent or delay cancer in at-risk people or survivors.
Chemoprophylaxis
Chemoprophylaxis is the administration of a drug to prevent disease rather than treat it, taken before or after exposure, as in malaria prophylaxis for travelers and isoniazid preventive therapy for tuberculosis.
CHIEDZA trial
The CHIEDZA trial, led from Harare and the London School of Hygiene & Tropical Medicine, tested community-based HIV and sexual health services for 16 to 24-year-olds in Zimbabwe from 2019 to 2022.
Child Health
Child health is the field covering the physical and mental conditions of children, monitored through indicators of survival, development, protection from violence, and access to quality health care.
Child Health Services
Child health services: organized preventive and curative care for children, from vaccination and well-child visits to treatment and development support, delivered mainly through primary health care systems worldwide.
Child mortality
Child mortality, the death of children under five (U5MR), fell from 93.5 to 37.4 per 1,000 live births, 1990–2024; 4.9 million under-five deaths in 2024, mostly preventable, concentrated in sub-Saharan Africa and South Asia.
Children's Health Defense
Children's Health Defense (CHD) is a 501(c)(3) nonprofit founded by Robert F. Kennedy Jr., active in anti-vaccine litigation, publishing The Defender, and removed from Facebook and Instagram in 2022.
Children's Health Insurance Program
The Children's Health Insurance Program (CHIP), formerly SCHIP, is a joint federal-state program created in 1997 that covers uninsured children whose families earn too much for Medicaid; some states also cover pregnant women.
Children's Hospital of Philadelphia
Children's Hospital of Philadelphia (CHOP), founded November 23, 1855, is the first US hospital dedicated exclusively to children, a nonprofit pediatric hospital in Philadelphia known for vaccine firsts, fetal surgery, gene therapy, and top US News rankings.
Children's Medical Center (Dallas, US)
Children's Medical Center Dallas, flagship of Children's Health at 1935 Medical District Dr, is a 488-bed academic pediatric hospital, North Texas's only pediatric Level I trauma center, founded 1913 as the Dallas Baby Camp, to be replaced by a $5B campus in 2031.
Children's Medical Center (Tehran, IR)
Children's Medical Center (مرکز طبی کودکان تهران), Tehran, Iran: public pediatric teaching hospital of Tehran University of Medical Sciences, founded 1969, Pediatrics Center of Excellence, major national referral and subspecialty training hospital.