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

Now, a Phase II clinical trial suggests that two relatively simple interventions, exercise and low-dose ibuprofen, may help reduce some of these cognitive challenges.

From Science Daily • Jun. 10, 2026

At a major cancer-research meeting last week where both Nuvalent and competitors presented clinical trial data for lung-cancer drugs, “I really became convinced that this was a deal that we needed to do,” Miels said.

From The Wall Street Journal • Jun. 10, 2026

Their work on advanced melanoma - once a death sentence - has saved countless lives, and their encouraging findings in treating Scolyer's brain tumour have triggered an early stage clinical trial in the US.

From BBC • Jun. 7, 2026

The company developing the drug, Revolution Medicines, presented results on May 31, 2026, from its Phase 3 clinical trial of 500 patients with metastatic pancreatic cancer who had received prior treatment.

From Science Daily • Jun. 4, 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