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clinical trial

American

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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clinical trial

Meals used in the clinical trial are prepared in a controlled metabolic kitchen, where researchers measure ingredients to the nearest 0.1 gram.

From Science Daily ● Jul. 26, 2026

The company said Bylvay in biliary atresia failed to meet the primary goal of a late-stage clinical trial.

From The Wall Street Journal ● Jul. 24, 2026

The substances that were under review are among those that former president Joe Biden's administration restricted from compounding, notably over a lack of human clinical trial data.

From Barron's ● Jul. 24, 2026

And someone who participates in a clinical trial could run into interstate restrictions.

From Los Angeles Times ● Jul. 18, 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

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023