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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.


Example Sentences

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His family faced "immeasurable stress" as Ethan joined a clinical trial at Bristol Royal Hospital Children for patients with B-cell nHL who had not responded to treatment or had relapsed.

From BBC ● Oct. 12, 2026

Vaxcyte shares surged 31% to $73.82 after the drug maker’s experimental pneumonia vaccine compared favorably to two currently available shots in a late-stage clinical trial.

From The Wall Street Journal ● Oct. 5, 2026

The doses and treatment used in the clinical trial are being carefully controlled and monitored by medical professionals.

From Science Daily ● Oct. 4, 2026

Because this was an exploratory finding, researchers say it must be tested and confirmed in a larger phase 3 clinical trial before firm conclusions can be drawn.

From Science Daily ● Oct. 3, 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

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