Definition of "clinical trial" [clinical trial]

• A test of a medication or other medical treatment (such as a medical device), usually a comparison against a placebo, other medications or devices, or the standard medical treatment for a patient's condition. (noun)

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• "There has never been a clinical trial on the effects of glutathione infusions in healthy humans or developmentally disabled children."
• "With true — bordering on obnoxious — grit, she pushes her way into a clinical trial run by brusque doc Atticus Sherman, played by Alan Alda."
• "There has never been a clinical trial testing chelation for autism; one government-funded trial was halted after scientists at Cornell University and the University of California, Santa Cruz, found that rats without heavy metal poisoning who were chelated showed signs of cognitive impairment."