be efficacious

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

There was evidence that the treatment plan for McNaughton might work, including studies that had found dual biologic therapy to be efficacious and safe.

From Salon • Feb. 2, 2023

There have been hardly any vaccine studies, for instance, which raises another question: How will African countries deal with vaccines that have been shown to be efficacious on other continents?

From Science Magazine • Dec. 3, 2020

It appeared to be efficacious in primate testing, but the Phase 1 study designed to determine if it’s safe to use and to establish the proper dosing only began on May 16.

From Scientific American • May 30, 2018

“The mice allow you the opportunity to test drugs to find out which ones will be efficacious without exposing the patient to toxicity,” said Colin Collins, a professor at the University of British Columbia.

From New York Times • Sep. 26, 2012

Cow-dung was employed as a poultice for sprains of the larger joints, especially on the feet and legs, but to be efficacious it had to be applied fresh.

From Psychotherapy by Walsh, James J. (James Joseph)