clinical trial

American  

1. the scientific investigation of a new treatment that has shown some benefit in animal or laboratory studies, but that has not yet been proven effective in humans.

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Example Sentences

Results from a successful phase 1 human clinical trial of that earlier hydrogel approach were reported in fall 2019.

From Science Daily • May 5, 2026

Without a patient’s full history, it’s impossible to assign the event to Foundayo, Shin said, pointing out that the pill had been “put through the clinical trial ringer” prior to its launch.

From Barron's • May 4, 2026

A safer and more effective formulation of the most popular hair-loss treatment led to robust hair growth in a clinical trial.

From MarketWatch • Apr. 27, 2026

In January last year, both children received an infusion of Regeneron’s drug at a New York City hospital as part of the clinical trial.

From The Wall Street Journal • Apr. 23, 2026

Their fifty-three patients were, in effect, a clinical trial, and an astonishingly successful one.

From "Mountains Beyond Mountains" by Tracy Kidder and Michael French