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efficacy

[ef-i-kuh-see] / ˈɛf ɪ kə si /


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.

The recommendation is based on Phase 3 trial data showing improvements in event-free survival, a crucial measure of efficacy.

From Barron's • May 22, 2026

“The clean safety profile, combined with best-in-class efficacy across all doses, makes this a clean win” for Lilly, according to RBC Capital Markets analyst Trung Huynh.

From MarketWatch • May 21, 2026

Then, in 2015, several Inovio employees co-authored a paper evaluating the efficacy of the device.

From Barron's • May 11, 2026

They demanded nothing short of large randomized controlled trials to prove the efficacy of medicines for debilitating diseases.

From The Wall Street Journal • May 8, 2026

The meeting’s topic was the efficacy of radiation for medical treatments of all kinds, but the impression made on Ernest and John was very different.

From "Big Science" by Michael Hiltzik




Vocabulary lists containing efficacy


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