Dictionary.com
Thesaurus.com

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:

The WHO is also sponsoring a separate clinical trial in DR Congo to see whether two existing antiviral therapies can improve survival rates.

From BBC Aug. 13, 2026

Moderna’s clinical trial also showed that mFlusiva is more protective against the flu.

From Slate Aug. 6, 2026

“There’s no special reason they should be allowed to bypass the standard clinical trial system just because there’s a peptide fad driven by wellness influencers and telehealth firms.”

From Los Angeles Times Aug. 6, 2026

The announcement comes a week after the first dose of a different Bundibugyo vaccine being developed by Oxford University was injected into a volunteer during a rapidly launched clinical trial.

From Barron's Jul. 30, 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