Dictionary.com
Thesaurus.com
Showing results for clinical trial. Search instead for phase i clinical trial.

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

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

See Examples For:

A clinical trial led by the University of Michigan has now supplied those data.

From Science Daily Jul. 29, 2026

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 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

Food and Drug Administration recently extended its deadline to decide on the drug’s authorization to review updated results from the clinical trial that was the basis for AstraZeneca’s regulatory submissions, the company said.

From The Wall Street Journal Jul. 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

Vocabulary.com logo
by dictionary.com

Dictionary.com's Learning Companion

Go beyond just looking up words.
Remember them forever with VocabTrainer.

Start training