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informed consent

American

noun

a patient's consent to a medical or surgical procedure or to participation in a clinical study after being properly advised of the relevant medical facts and the risks involved.

Etymology

Origin of informed consent

First recorded in 1965–70

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Moderna resisted, but agreed to provide test subjects with enhanced disclosures on its informed consent form, to which the FDA assented.

From Los Angeles Times • Feb. 18, 2026

Kennedy said the move brought the U.S. in line with other countries, while strengthening informed consent.

From The Wall Street Journal • Jan. 26, 2026

“We are restoring the balance of informed consent to parents whose newborns face little risk of contracting hepatitis B,” the CDC’s acting director, Jim O’Neill, said in a statement.

From Barron's • Dec. 17, 2025

It isn’t clear whether Health and Human Services Secretary Robert F. Kennedy Jr. will do anything to study the pill or introduce the kind of informed consent that Heritage is asking for.

From Slate • Nov. 11, 2025

The term informed consent first appeared in court documents in 1957, in a civil court ruling on the case of a patient named Martin Salgo.

From "The Immortal Life of Henrietta Lacks" by Rebecca Skloot

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023