0 the ability, especially of a medicine or a method of achieving something, to produce the intended result: --
Efficacy trials determine whether an intervention produces the expected result under ideal circumstances.
Of course, the efficacy of any drug in a study will be different from its actual performance in the population.
The clinical report shows results of almost 95% efficacy for the vaccine.
They recently ran a series of tests to measure the efficacy of the drug.
1 the quality of being effective; effectiveness: --
The drug's efficacy has been questioned by consumer advocates.
High objective and subjective efficacy contributes partly to a lower level of depressive symptomatology via the promotion of a proactive style of behaviour.
Interestingly, it shows that objective and subjective efficacy play important mediating roles.
In addition, low objective and subjective efficacy was found to promote docile behaviour.
The report makes it clear that there are serious limitations to the current evidence on the efficacy of the housing-with-care model.
Judges were not to evaluate the wisdom or efficacy of legislative enactments, nor were they to balance competing public and private interests.
The first type of argument is based on law's efficacy; the second on law's normativity.
Although numerous attempts have been made to assess treatment efficacy, published results are still the subject of controversy [39, 40].
Optimal vaccine trial design when estimating vaccine efficacy for susceptibility and infectiousness from multiple populations.
