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immune checkpoint inhibitor

[ ih-myoon-chek-point in-hib-i-ter ]
/ ɪˈmyun ˈtʃɛkˌpɔɪnt ɪnˌhɪb ɪ tər /
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noun Immunology, Pharmacology.

a drug that targets and blocks certain proteins produced by T cells and other immune system cells in order to minimize the proteins’ restraints on cell activity, thereby freeing those cells to kill cancer cells more effectively.

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Also check·point in·hib·i·tor .

Origin of immune checkpoint inhibitor

First recorded in 1970–75
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

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