efficacy (redirected from Perfect use)

efficacy /ef·fi·ca·cy/ (ef´i-kah-se)

1. the ability of an intervention to produce the desired beneficial effect in expert hands and under ideal circumstances.

2. the ability of a drug to produce the desired therapeutic effect.

Dose-effect curve for two drugs of different efficacy: The efficacy of drug A is greater than that of drug B.

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efficacy

(ef´iksē),
n the ability to provide a clinically measurable effect, preferably beneficial.

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efficacy

intrinsic activity; is equal to the magnitude of the maximal response.