term
stringlengths
2
142
definition
stringlengths
9
116k
sources
listlengths
1
1
source
stringclasses
48 values
type
stringclasses
5 values
file
stringclasses
26 values
sheet
stringclasses
3 values
text
stringclasses
212 values
umbrella trial
<b>CDISC Definition:</b> A type of trial conducted under a master protocol and designed to test multiple investigational drugs administered as single drugs or as drug combinations in a single disease population. [After US FDA, Master Protocols: Efficient Clinical Trial Design Strategies to Expedite Development of Oncology Drugs and Biologics Guidance for Industry, 2022]. See also master protocol, adaptive design, umbrella trial design.
[ "CDISC Glossary.xlsx" ]
null
excel
CDISC Glossary.xlsx
Glossary Terminology 2025-09-26
null
unblinding
<b>CDISC Definition:</b> Identification of the treatment assignment to the subject, investigators, and/or other trial personnel. [After EUPATI Toolbox: Within-trial decisions: Unblinding and termination. 2023]
[ "CDISC Glossary.xlsx" ]
null
excel
CDISC Glossary.xlsx
Glossary Terminology 2025-09-26
null
unexpected adverse drug reaction
<b>CDISC Definition:</b> An adverse drug reaction, whose nature, severity, specificity, or outcome is not consistent with the term or description used in the applicable product information (e.g., IB for an unapproved investigational product or PI/summary of product characteristics for an approved product, and/or scientific literature). [After ICH E6 (R2)]
[ "CDISC Glossary.xlsx" ]
null
excel
CDISC Glossary.xlsx
Glossary Terminology 2025-09-26
null
unexpected serious risk
<b>CDISC Definition:</b> A serious adverse drug experience that is not listed in the labeling of a drug, or that may be symptomatically or pathophysiologically related to an adverse drug experience identified in the labeling, but differs because of greater severity, specificity, or prevalence. [505-1(b) of FD&C Act (21 USC. 355-1(b)]
[ "CDISC Glossary.xlsx" ]
null
excel
CDISC Glossary.xlsx
Glossary Terminology 2025-09-26
null
uniform resource locator (URL)
<b>CDISC Definition:</b> Address of a web page, for example, appliedclinicaltrialsonline.com.
[ "CDISC Glossary.xlsx" ]
null
excel
CDISC Glossary.xlsx
Glossary Terminology 2025-09-26
null
use case
<b>CDISC Definition:</b> An explicit scenario designed to help in determining whether a system/process is capable of performing the functions required for a particular use. a use case might describe, for example, how a study coordinator would use a tablet computer to capture medical history data.
[ "CDISC Glossary.xlsx" ]
null
excel
CDISC Glossary.xlsx
Glossary Terminology 2025-09-26
null
use error (device)
<b>CDISC Definition:</b> User action or lack of action that was different from that expected by the manufacturer and caused a result that (1) was different from the result expected by the user and (2) was not caused solely by device failure and (3) did or could result in harm. [FDA, Applying Human Factors and Usability Engineering to Medical Devices]
[ "CDISC Glossary.xlsx" ]
null
excel
CDISC Glossary.xlsx
Glossary Terminology 2025-09-26
null
user site testing (UST)
<b>CDISC Definition:</b> Any testing that takes place outside of the developer's controlled environment. NOTE: Terms such as beta test, site validation, user acceptance test, installation verification, and installation testing have all been used to describe user site testing. User site testing encompasses all of these and any other testing that takes place outside of the developer's controlled environment. [from General Principles of software Validation; Final Guidance, section 5.2.6]
[ "CDISC Glossary.xlsx" ]
null
excel
CDISC Glossary.xlsx
Glossary Terminology 2025-09-26
null
vaccine effectiveness
<b>CDISC Definition:</b> Vaccine protection measured in observational studies that include people with underlying medical conditions who have been administered vaccines by different health care providers under real-world conditions. [How Flu Vaccine Effectiveness and Efficacy are Measured, Questions & Answers, CDC January 29, 2016] See also vaccine efficacy, efficacy, effectiveness, randomized controlled trial (RCT).
[ "CDISC Glossary.xlsx" ]
null
excel
CDISC Glossary.xlsx
Glossary Terminology 2025-09-26
null
vaccine efficacy
<b>CDISC Definition:</b> The proportional comparison of infection rate or other disease endpoints between vaccinated and unvaccinated groups measured in randomized controlled trials. NOTE: The method for calculating vaccine efficacy can be found here: https://www.cdc.gov/csels/dsepd/ss1978/lesson3/section6.html. Efficacy is a measurement made during a clinical trial, effectiveness is how well the vaccine works out in the real world. [After Greenwood et al., Proc R Soc Med. 1915; 8 (Sect Epidemiol State Med): 113-194, The Statistics of Anti-typhoid and Anti-cholera Inoculations, and the Interpretation of such Statistics in general. After Piero Ollario, The Lancet Infectious Diseases, Feb 17th, 2021] See also vaccine effectiveness, effectiveness, efficacy, randomized controlled trial (RCT).
[ "CDISC Glossary.xlsx" ]
null
excel
CDISC Glossary.xlsx
Glossary Terminology 2025-09-26
null
vaccine
<b>CDISC Definition:</b> A medicinal product inducing immunity against disease, most often to prevent occurrence of a disease, (e.g., a preventative vaccine against infectious disease), but also to treat a disease, (e.g., a therapeutic vaccine against cancer). NOTE: The vaccines against infectious disease may contain various ingredients of diverse origin (such as inactivated or attenuated organisms, particular antigens related to the infectious agent, live recombinant vector against antigens in vivo and adjuvants) [After NCI Dictionary of Cancer Terms. After European Pharmacopoeia section 5.1.] See also treatment, prevention, prophylaxis, biological product, virulence.
[ "CDISC Glossary.xlsx" ]
null
excel
CDISC Glossary.xlsx
Glossary Terminology 2025-09-26
null
valid
<b>CDISC Definition:</b> Well grounded on principles of evidence. [After FDA Glossary of Computerized System and Software Development Terminology]
[ "CDISC Glossary.xlsx" ]
null
excel
CDISC Glossary.xlsx
Glossary Terminology 2025-09-26
null
validation
<b>CDISC Definition:</b> Process of establishing suitability to purpose. NOTE: Validation is accomplished by planning how to measure and/or evaluate suitability to purpose; then executing the plan and documenting the results. [ICH E6] See also software validation, data validation, psychometric validation, criterion validation (COA), content validation (COA), construct validation (COA).
[ "CDISC Glossary.xlsx" ]
null
excel
CDISC Glossary.xlsx
Glossary Terminology 2025-09-26
null
variable
<b>CDISC Definition:</b> Any attribute, phenomenon, characteristic, or event that can have different qualitative or quantitative values. [After Statistical Language - What are Variables?, Australian Bureau of Statistics, October 2013] See also dependent variable, derived variable, global assessment variable, primary outcome variable, qualitative variable, quantitative variable, secondary outcome variable, study variable, supporting variables, surrogate variable.
[ "CDISC Glossary.xlsx" ]
null
excel
CDISC Glossary.xlsx
Glossary Terminology 2025-09-26
null
variance
<b>CDISC Definition:</b> A measure of the variability in a sample or population. It is calculated as the mean squared deviation (MSD) of the individual values from their common mean. In calculating the MSD, the divisor n is commonly used for a population variance and the divisor n-1 for a sample variance.
[ "CDISC Glossary.xlsx" ]
null
excel
CDISC Glossary.xlsx
Glossary Terminology 2025-09-26
null
verification of data
<b>CDISC Definition:</b> The checking of data for correctness or compliance with applicable standards, rules, and conventions. [FDA Glossary of Computerized system and software Development Terminology] See also source document verification (SDV).
[ "CDISC Glossary.xlsx" ]
null
excel
CDISC Glossary.xlsx
Glossary Terminology 2025-09-26
null
verification
<b>CDISC Definition:</b> The act of reviewing, inspecting, testing, checking, auditing, or otherwise establishing and documenting whether items, processes, services, or documents conform to specified requirements. Compare to validation where suitability to purpose is also established.
[ "CDISC Glossary.xlsx" ]
null
excel
CDISC Glossary.xlsx
Glossary Terminology 2025-09-26
null
virtual
<b>CDISC Definition:</b> Connected but not physically co-located. NOTE: Refers to visits or encounters between investigators and subjects where information exchange is mediated through telemedicine, video conference rather than by physical presence of individuals at a shared location. Trials with one or more virtual visits are virtual trials. Where all data capture and trial procedures are conducted virtually, a trial or other investigation may be called fully virtual. [After FDA Guidance on Conduct of Clinical Trials of Medical Products during COVID-19 Public Health Emergency Guidance for Industry, Investigators, and Institutional Review Boards March 2020 Updated on July 2, 2020] See also remote clinical trial, decentralized clinical trial.
[ "CDISC Glossary.xlsx" ]
null
excel
CDISC Glossary.xlsx
Glossary Terminology 2025-09-26
null
virulence
<b>CDISC Definition:</b> The ability of an infectious agent to cause severe disease, measured as the proportion of persons with the disease who become severely ill or die. [Principles of Epidemiology in Public Health Practice, Third Edition. An Introduction to Applied Epidemiology and Biostatistics, Glossary, CDC 2014] See also morbidity, vaccine.
[ "CDISC Glossary.xlsx" ]
null
excel
CDISC Glossary.xlsx
Glossary Terminology 2025-09-26
null
visit
<b>CDISC Definition:</b> A protocol-defined clinical encounter that encompasses planned and contingent study interventions, procedures, and assessments that may be performed on a subject. [SDTM]
[ "CDISC Glossary.xlsx" ]
null
excel
CDISC Glossary.xlsx
Glossary Terminology 2025-09-26
null
vocabulary
<b>CDISC Definition:</b> The collection of terms, which refer to concepts, that are used by, understood by, or available for use by an individual or group within a language system. [After NCI Thesaurus]
[ "CDISC Glossary.xlsx" ]
null
excel
CDISC Glossary.xlsx
Glossary Terminology 2025-09-26
null
vulnerable subjects
<b>CDISC Definition:</b> Individuals whose willingness to volunteer in a clinical trial may be unduly influenced by the expectation, whether justified or not, of benefits associated with participation, or of a retaliatory response from senior members of a hierarchy in case of refusal to participate. NOTE: Examples are members of a group with a hierarchical structure, such as medical, pharmacy, dental, and nursing students, subordinate hospital and laboratory personnel, employees of the pharmaceutical industry, members of the armed forces, and persons kept in detention. Other vulnerable subjects include patients with incurable diseases, persons in nursing homes, unemployed or impoverished persons, patients in emergency situations, ethnic minority groups, homeless persons, nomads, refugees, minors, and those incapable of giving consent. [After ICH E6 R2 Glossary] See also human subject, patient, human subject, data subject, clinical research subject, participant, study participant.
[ "CDISC Glossary.xlsx" ]
null
excel
CDISC Glossary.xlsx
Glossary Terminology 2025-09-26
null
Warning Letter
<b>CDISC Definition:</b> A written communication from FDA notifying an individual or firm that the agency considers one or more products, practices, processes, or other activities to be in violation of the Federal FD&C Act, or other acts, and that failure of the responsible party to take appropriate and prompt action to correct and prevent any future repeat of the violation may result in administrative and/or regulatory enforcement action without further notice. [FDA]
[ "CDISC Glossary.xlsx" ]
null
excel
CDISC Glossary.xlsx
Glossary Terminology 2025-09-26
null
washout period
<b>CDISC Definition:</b> The interval of time that a participant enrolled in a study must not receive a specified treatment(s) before starting a study intervention(s). NOTE: A washout may be required before joining a study or before changing treatments within a study. [After https://metastatictrialtalk.org/inside-clinical-trials/washout-period/]
[ "CDISC Glossary.xlsx" ]
null
excel
CDISC Glossary.xlsx
Glossary Terminology 2025-09-26
null
web browser
<b>CDISC Definition:</b> A computer program that interprets HTML and other Internet languages and protocols and displays web pages on a computer monitor.
[ "CDISC Glossary.xlsx" ]
null
excel
CDISC Glossary.xlsx
Glossary Terminology 2025-09-26
null
web page
<b>CDISC Definition:</b> A single page on a website, such as a home page.
[ "CDISC Glossary.xlsx" ]
null
excel
CDISC Glossary.xlsx
Glossary Terminology 2025-09-26
null
web scraping
<b>CDISC Definition:</b> The automated process of programmatically and systematically collecting information on the web and processing it into more easily analyzable formats that can be serialized. [After NNLM, "Web Scraping", 05/25/22, https://www.nnlm.gov/guides/data-glossary/web-scraping] See also AI prompt, Generative AI (GenAI).
[ "CDISC Glossary.xlsx" ]
null
excel
CDISC Glossary.xlsx
Glossary Terminology 2025-09-26
null
web server
<b>CDISC Definition:</b> A computer server that delivers HTML pages or files over the World Wide Web. See also server.
[ "CDISC Glossary.xlsx" ]
null
excel
CDISC Glossary.xlsx
Glossary Terminology 2025-09-26
null
website
<b>CDISC Definition:</b> A collection of web pages and other files. A site can consist of a single web page, thousands of pages, or custom created pages that draw on a database associated with the site.
[ "CDISC Glossary.xlsx" ]
null
excel
CDISC Glossary.xlsx
Glossary Terminology 2025-09-26
null
weighting
<b>CDISC Definition:</b> An adjustment in a value based on scientific observations within the data.
[ "CDISC Glossary.xlsx" ]
null
excel
CDISC Glossary.xlsx
Glossary Terminology 2025-09-26
null
well-being (of the trial subjects)
<b>CDISC Definition:</b> The physical and mental integrity of the subjects participating in a clinical trial. [ICH]
[ "CDISC Glossary.xlsx" ]
null
excel
CDISC Glossary.xlsx
Glossary Terminology 2025-09-26
null
withdrawal
<b>CDISC Definition:</b> The subject-initiated act of discontinuing participation in a clinical study. NOTE: Withdrawal can range from the subject's complete withdrawal from study procedures and follow-up activities, to the subject's withdrawal from study-related interventions. [After Guidance on Withdrawal of Subjects from Research: Data Retention and Other Related Issues, September 21, 2010] See also discontinuation.
[ "CDISC Glossary.xlsx" ]
null
excel
CDISC Glossary.xlsx
Glossary Terminology 2025-09-26
null
within-subject differences
<b>CDISC Definition:</b> In a crossover trial, variability in each subject is used to assess treatment differences.
[ "CDISC Glossary.xlsx" ]
null
excel
CDISC Glossary.xlsx
Glossary Terminology 2025-09-26
null
World Wide Web
<b>CDISC Definition:</b> All the resources and users on the Internet that are using HTTP protocols. Also called the web and www.
[ "CDISC Glossary.xlsx" ]
null
excel
CDISC Glossary.xlsx
Glossary Terminology 2025-09-26
null
XML (eXtensible Markup Language)
<b>CDISC Definition:</b> A set of rules for encoding documents and data in a format that is both human readable and machine readable. [After Study Data Technical Conformance Guide, Technical Specifications Document, March 2019; After W3C Extensible Markup Language (XML)] See also eXtensible markup language (XML) data element, Define-XML.
[ "CDISC Glossary.xlsx" ]
null
excel
CDISC Glossary.xlsx
Glossary Terminology 2025-09-26
null
zoonosis
<b>CDISC Definition:</b> An infectious disease that is transmissible from animals to humans. [Principles of Epidemiology in Public Health Practice, Third Edition. An Introduction to Applied Epidemiology and Biostatistics, Glossary, CDC 2014]
[ "CDISC Glossary.xlsx" ]
null
excel
CDISC Glossary.xlsx
Glossary Terminology 2025-09-26
null
The Multi
Regional Clinical Trials Center of Brigham and Women's Hospital and Harvard
[ "https://mrctcenter.org/glossaryterm/clinical-research/" ]
null
web
https://mrctcenter.org/glossaryterm/clinical-research/
null
null
Post-Trial Responsibilities
Continued Access
[ "https://mrctcenter.org/glossaryterm/clinical-research/" ]
null
web
https://mrctcenter.org/glossaryterm/clinical-research/
null
null
Proactive Safety Surveillance
A Global Approach
[ "https://mrctcenter.org/glossaryterm/clinical-research/" ]
null
web
https://mrctcenter.org/glossaryterm/clinical-research/
null
null
Project
Specific Websites
[ "https://mrctcenter.org/glossaryterm/clinical-research/" ]
null
web
https://mrctcenter.org/glossaryterm/clinical-research/
null
null
Health and Human Services
What is Medical Research?
[ "https://mrctcenter.org/glossaryterm/clinical-research/" ]
null
web
https://mrctcenter.org/glossaryterm/clinical-research/
null
null
FDA
The Drug Development Process Step 3: Clinical Research
[ "https://mrctcenter.org/glossaryterm/clinical-research/" ]
null
web
https://mrctcenter.org/glossaryterm/clinical-research/
null
null
The Future is Connected
Standards and AI Powering Digital Transformation
[ "https://www.cdisc.org/" ]
null
web
https://www.cdisc.org/
null
null
Access CDISC end-to
end Foundational and Therapeutic Area standards
[ "https://www.cdisc.org/" ]
null
web
https://www.cdisc.org/
null
null
Therapeutic areas
latest updates
[ "https://www.ema.europa.eu/" ]
null
web
https://www.ema.europa.eu/
null
null
Post
authorisation
[ "https://www.ema.europa.eu/" ]
null
web
https://www.ema.europa.eu/
null
null
Podcast
Inside EMA
[ "https://www.ema.europa.eu/" ]
null
web
https://www.ema.europa.eu/
null
null
HealthNotHype
EMA's first social media campaign with creators
[ "https://www.ema.europa.eu/" ]
null
web
https://www.ema.europa.eu/
null
null
First-in
class treatment to delay onset of type 1 diabetes
[ "https://www.ema.europa.eu/" ]
null
web
https://www.ema.europa.eu/
null
null
Wiskott
Aldrich syndrome
[ "https://www.ema.europa.eu/" ]
null
web
https://www.ema.europa.eu/
null
null
Enpr
EMA) November 2025
[ "https://www.ema.europa.eu/" ]
null
web
https://www.ema.europa.eu/
null
null
Start date
20 November 2025, 13:00 (CET)
[ "https://www.ema.europa.eu/" ]
null
web
https://www.ema.europa.eu/
null
null
End date
21 November 2025, 12:50 (CET)
[ "https://www.ema.europa.eu/" ]
null
web
https://www.ema.europa.eu/
null
null
EMA multi
stakeholder workshop on artificial intelligence (AI)
[ "https://www.ema.europa.eu/" ]
null
web
https://www.ema.europa.eu/
null
null
European Medicines Agency
Medtech Europe bilateral meeting
[ "https://www.ema.europa.eu/" ]
null
web
https://www.ema.europa.eu/
null
null
A Custom Webtools Rating widget
Hidden by field_ema_hide_rating for this node.
[ "https://www.ema.europa.eu/" ]
null
web
https://www.ema.europa.eu/
null
null
South
East Asia
[ "https://www.who.int/" ]
null
web
https://www.who.int/
null
null
COVID
19 dashboard
[ "https://www.who.int/" ]
null
web
https://www.who.int/
null
null
Lifetime toll
840 million women faced partner or sexual violence
[ "https://www.who.int/" ]
null
web
https://www.who.int/
null
null
Read WHO Director
General's speeches
[ "https://www.who.int/" ]
null
web
https://www.who.int/
null
null
November 2025 12
00 – 13:00 CET
[ "https://www.who.int/" ]
null
web
https://www.who.int/
null
null
WHO EPI-WIN Webinar
attributes of pathogen genomic data platforms supporting timely and equitable sharing
[ "https://www.who.int/" ]
null
web
https://www.who.int/
null
null
November 2025 13
30 – 15:00 CET
[ "https://www.who.int/" ]
null
web
https://www.who.int/
null
null
From Data to Impact
Advancing Healthcare Associated Infection Surveillance for Safer Care and a Healthier Future
[ "https://www.who.int/" ]
null
web
https://www.who.int/
null
null
Beyond HLM4
Implementing the 2025 Political Declaration on NCDs and Mental Health
[ "https://www.who.int/" ]
null
web
https://www.who.int/
null
null
November 2025 18
30 – 20:00 CET
[ "https://www.who.int/" ]
null
web
https://www.who.int/
null
null
Study record managers
refer to the
[ "https://clinicaltrials.gov/" ]
null
web
https://clinicaltrials.gov/
null
null