For Efficacy we have terms and definitions in 16 topics. The topics are Animal Health, Autism, Beauty, Cancer, Clinical Trials, Drug Research, Fitness, HIV and AIDs, Health and Beauty, Lighting, Lighting Design, Medical Education, Naturalism, Pharmaceutical, Prostate Cancer and Vitamins.

Efficacy (Animal Health)

Proof of a drug's effectiveness that is used in approving animal health products.

Efficacy (Autism)

The measure of the benefit of treatment provided under ideal conditions, such as in a clinical trial. Efficacy studies are designed to answer the question: Does this treatment do more good than harm to people who follow the treatment exactly?

Efficacy (Beauty)

The ability to cause an effect.

Efficacy (Cancer)

Effectiveness. In medicine, the ability of an intervention (for example, a drug or surgery) to produce the desired beneficial effect.

Efficacy (Clinical Trials)

(Of a drug or treatment). The maximum ability of a drug or treatment to produce a result regardless of dosage. A drug passes efficacy trials if it is effective at the dose tested and against the illness for which it is prescribed. In the procedure mandated by the FDA, Phase II clinical trials gauge efficacy, and Phase III trials confirm it (See Food and Drug Administration (FDA), Phase II and III Trials).

Efficacy (Drug Research)

The ability of a drug to control or cure an illness.

Efficacy (Fitness)

The power to produce and effect.

Efficacy (HIV and AIDs)

The power of the drug or treatment to accomplish its intended goals; how well it works.

Efficacy (Health and Beauty)

The ability to cause an effect.

Efficacy (Lighting)

Measurement of the efficiency of a light source.

Efficacy (Lighting Design)

A measure of the luminous efficiency of a radiant flux, expressed in lumens per watt as the quotient of the total luminous flux by the total radiant flux. For daylighting, this is the quotient of visible flux incident on a surface to radiant flux on that surface. For electric sources, this is the quotient of the total luminous flux emitted by the total lamp power input.

Efficacy (Medical Education)

The ability to produce the necessary or desired result.

Efficacy (Naturalism)

The power to produce an effect

Efficacy (Pharmaceutical)

The power to produce a desired effect or result; effectiveness.

Efficacy (Prostate Cancer)

The greatest ability of a drug of treatment to produce a result, regardless of dosage

Efficacy (Vitamins)

Another word used to mean effectiveness.

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