enow.com Web Search

Search results

  1. Results from the WOW.Com Content Network
  2. Effectiveness - Wikipedia

    en.wikipedia.org/wiki/Effectiveness

    However, neither "effectiveness", nor "effectively", inform about the direction (positive or negative) or gives a comparison to a standard of the given effect. Efficacy, on the other hand, is the extent to which a desired effect is achieved; the ability to produce a desired amount of the desired effect, or the success in achieving a given goal.

  3. Efficacy - Wikipedia

    en.wikipedia.org/wiki/Efficacy

    Efficacy is the ability to perform a task to a satisfactory or expected degree. The word comes from the same roots as effectiveness , and it has often been used synonymously, although in pharmacology a distinction is now often made between efficacy and effectiveness .

  4. Vaccine efficacy - Wikipedia

    en.wikipedia.org/wiki/Vaccine_efficacy

    Vaccine efficacy or vaccine effectiveness is the percentage reduction of disease cases in a vaccinated group of people compared to an unvaccinated group. For example, a vaccine efficacy or effectiveness of 80% indicates an 80% decrease in the number of disease cases among a group of vaccinated people compared to a group in which nobody was ...

  5. Phases of clinical research - Wikipedia

    en.wikipedia.org/wiki/Phases_of_clinical_research

    Determines whether drug can have any efficacy; at this point, the drug is not presumed to have any therapeutic effect Phase III: Testing of drug on participants to assess efficacy, effectiveness and safety Therapeutic dose Clinical researcher and personal physician 300–3,000 people with a specific disease 57.8%

  6. Comparative effectiveness research - Wikipedia

    en.wikipedia.org/wiki/Comparative_effectiveness...

    Comparative effectiveness research (CER) is the direct comparison of existing health care interventions to determine which work best for which patients and which pose the greatest benefits and harms. The core question of comparative effectiveness research is which treatment works best, for whom, and under what circumstances. [ 1 ]

  7. COVID-19 vaccine clinical research - Wikipedia

    en.wikipedia.org/wiki/COVID-19_vaccine_clinical...

    An efficacy of 50% means that there are half as many cases of infection as in unvaccinated individuals. [citation needed] COVID-19 vaccine efficacy may be adversely affected if the arm is held improperly or squeezed so the vaccine is injected subcutaneously instead of into the muscle.

  8. Kefauver–Harris Amendment - Wikipedia

    en.wikipedia.org/wiki/Kefauver–Harris_Amendment

    The U.S. Kefauver–Harris Amendment or "Drug Efficacy Amendment" is a 1962 amendment to the Federal Food, Drug, and Cosmetic Act. It introduced a requirement for drug manufacturers to provide proof of the effectiveness and safety of their drugs before approval, [1] [2] required drug advertising to disclose accurate information about side effects, and stopped cheap generic drugs being marketed ...

  9. Indoor residual spraying - Wikipedia

    en.wikipedia.org/wiki/Indoor_residual_spraying

    A study from 2008 assessed the cost effectiveness of seven African anti-malaria campaigns: two IRS campaigns and five insecticide treated bednet (ITN) distribution campaigns. The authors found that on a cost-per-child-death-averted basis, all were about the same, but the ITN campaigns were slightly more cost effective.