Glossary Notes

This glossary includes over 4,000 terms and acronyms related to clinical research. The definitions are meant to be understood in the clinical research context. For example, the term “study” is assumed to mean “clinical research study”. (In most cases, the term “study” is used rather than the term “trial.”) The definitions are obviously intended to be accurate; however, in the interest of clarity and brevity, fine points may be excluded. In some cases, the specific source or context of a term, e.g., “(FDA)”, is provided at the end of the definition. CDISC, ICH and caBIG definitions are provided verbatim in their original format and identified as to their source in the form [Source].

Search Options:
Word or phrase Search on a word such as "adverse" or a phrase such as "adverse event".
Beginning of word Search on the beginning of a word. For example, searching on "investigat" finds "investigator" and "investigational", but not "subinvestigator".
Any text Search on text that may occur in the middle of a word or across words. For example, searching on "investigator" finds "subinvestigators"; searching on “to cha” finds “to chance”.
Include definitions in search Search on both the terms defined and their definitions.
Punctuation is significant Limit results based on the presence or absence of punctuation. For example, searching on "FDA-approved" finds only "FDA-approved", while searching on "FDA approved" finds only "FDA approved". With this option unselected, searching on "crossover" will find both "crossover" and "cross-over".
Search within results below If your initial search returns too many terms, this option allows you to search only amongst the terms previously found.

Tips:
  • Searches only find instances where the exact text in the search box is found. For example, searching for “event adverse” finds no results.
  • Results are displayed in this order: (1) defined terms that begin with the search term, (2) defined terms that include the search term, (3) descriptions that include the search term, (4) descriptions that include a word or phrase that begins with the search term, and (5) all other results.
  • Searching on a single letter finds only acronyms, credentials, and prescription abbreviations.
  • Surrounding a search phrase with quotation marks has no effect, unless you select "Punctuation is significant".
  • Words such as “and” and “or” are interpreted as part of the search phrase.
  • Red underlining indicates where the search term has been found.
  • Clicking on a blue underlined term initiates a search on that term.
  • Search terms that are singular and present-case with U.S. English spelling are more likely to find results.
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