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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.

"This lets us speak about safety and efficacy with real confidence," he said.

From Science Daily • Jun. 17, 2026

The analysts at Citi also highlighted what they said were real-world signals of waning efficacy in Wegovy pill as roughly a quarter to a third of patients are no longer losing weight.

From MarketWatch • Jun. 8, 2026

They add: "Assessing long-term efficacy is critical since those who work night shifts for many years would need to consistently consume melatonin supplements over that time frame to maximize the potential cancer prevention benefits."

From Science Daily • May 30, 2026

In addition, pumitamig, arguably the cornerstone of BioNTech’s oncology portfolio, is undergoing clinical trials to test its efficacy in patients with non-small cell lung cancer.

From Barron's • May 27, 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




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