Efficacy meaning: Efficacy In the context

efficacy In the context of evidence-based medicine, the capacity of a drug or therapy to positively influence the course or duration of a disease at the dose tested in the patient population for which it is designed and has been tested. The noun ' efficacy ' has its etymological origins in Latin. It is derived from the Latin word 'efficacia,' which is formed from 'efficax,' meaning 'effective' or 'powerful,' and the suffix '-ia,' indicating a quality or state. In its original Latin sense, ' efficacy ' conveyed the idea of being effective or possessing the power to produce desired results. Over time, it evolved to describe the ability or capacity of something, typically a method, treatment, or intervention, to produce the ... efficacy definition : ability to produce a desired result. Check meanings, examples, usage tips, pronunciation, domains, and related words. Discover expressions like "self- efficacy ", "luminous efficacy ", "prove the efficacy ". The meaning of EFFICACY is the power to produce an effect. How to use efficacy in a sentence.