new drug

noun

: a drug that has not been declared safe and effective by qualified experts under the conditions prescribed, recommended, or suggested in the label and that may be a new chemical formula or an established drug prescribed for use in a new way

Examples of new drug in a Sentence

Recent Examples on the Web
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The future could also bring more diversification in treatments, as many new drugs are in development that could yield new ways to manage weight loss long-term, provide better safety profiles, and combine drugs that target several different appetite-modifying hormones. Elsa Ohlen, CNBC, 1 Jan. 2026 Take lung cancer, for instance, for which the FDA in 2025 approved five new drugs targeting different subtypes of the disease. Matthew Herper, STAT, 31 Dec. 2025 He was switched to a new drug, which didn't work. Kat McGowan, NPR, 31 Dec. 2025 Even the process of developing new drugs has been shaped by the disease’s difficulty. Lauryn Higgins, Flow Space, 11 Dec. 2025 See All Example Sentences for new drug

Word History

First Known Use

circa 1951, in the meaning defined above

Time Traveler
The first known use of new drug was circa 1951

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Cite this Entry

“New drug.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/new%20drug. Accessed 8 Jan. 2026.

Medical Definition

new drug

noun
: a drug that has not been declared safe and effective by qualified experts under the conditions prescribed, recommended, or suggested in the label and that may be a new chemical formula or an established drug prescribed for use in a new way
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