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Showing results for efficacy. Search instead for Drug-efficacy.
Definitions

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.

In that same speech, O’Neill also called for the FDA to institute “progressive approval,” in which a new medicine or treatment is released after only proving its safety, not its efficacy.

From Salon • May 7, 2026

The problem with this statement is that it ignores a long history demonstrating the drug’s safety and efficacy.

From Slate • May 4, 2026

A number of studies have demonstrated the safety and efficacy of mifepristone, physician groups say.

From The Wall Street Journal • May 1, 2026

In January, Moderna released five-year follow-up data evaluating the efficacy of intismeran autogene, an mRNA vaccine for patients with certain types of melanoma, in combination with Merck’s Keytruda.

From Barron's • May 1, 2026

Modern trials of the efficacy of therapies depend on the idea that an effective therapy must perform better than a placebo.

From "The Invention of Science" by David Wootton




Vocabulary lists containing efficacy