clinical trial


Definition of clinical trial 

: a scientifically controlled study of the safety and effectiveness of a therapeutic agent (such as a drug or vaccine) using consenting human subjects

Examples of clinical trial in a Sentence

Recent Examples on the Web

Yerys’ team has plans for a larger clinical trial of the app in children with autism and ADHD. Sarah Deweerdt, Science | AAAS, "Can science-based video games help kids with autism?," 22 June 2018 They were then followed for nine years — an eternity in a clinical trial of this size. Julia Belluz, Vox, "Many breast cancer patients don’t need chemo, a precision medicine study just found," 5 June 2018 ResearchKit and CareKit, Apple’s software tools for doctors and medical researchers, are getting used in clinical trials for conditions including physical therapy, Parkinson’s disease, and autism. Shannon Liao, The Verge, "Apple shares new App Store stats ahead of its 10th anniversary," 5 July 2018 Reviewers complained that the drug didn’t produce enough dystrophin, and that the company’s clinical trial was too small, among other objections. The Editorial Board, WSJ, "A Risky Drug Approval Lesson," 4 July 2018 Hanging over the field like a black cloud is the fact that all clinical trials in Alzheimer’s disease have so far failed. Alison Abbott, Scientific American, "Is "Friendly Fire" in the Brain Provoking Alzheimer's Disease?," 24 Apr. 2018 Church anticipates that pig-to-human organ transplant clinical trials could happen in as little as two years, which would help address the organ shortage that keeps more than 110,000 people on the transplant list each year. Alice Park, Time, "Why Pig Organs Could Be the Future of Transplants," 15 Feb. 2018 Advanced clinical trials have shown that the vaccine can provide partial protection against malaria in young children. Conor Gaffey, Newsweek, "World’s First Malaria Vaccine to Be Piloted in Africa in 2018," 18 Nov. 2016 After repurposing the drug, years of experimentation, and clinical trials conducted by Rock in Puerto Rico and Haiti, Sanger had something. Carolyn Todd, Allure, "The History and Evolution of Birth Control in America," 12 July 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'clinical trial.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of clinical trial

1946, in the meaning defined above

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Last Updated

12 Sep 2018

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The first known use of clinical trial was in 1946

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clinical trial


Medical Definition of clinical trial 

: a scientifically controlled study of the safety and effectiveness of a therapeutic agent (as a drug or vaccine) using consenting human subjects

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