doxorubicin

noun

doxo·​ru·​bi·​cin ˌdäk-sə-ˈrü-bə-sən How to pronounce doxorubicin (audio)
: an antibiotic with broad antineoplastic activity that is obtained from a bacterium (Streptomyces peucetius) and is administered in the form of its hydrochloride C27H29NO11·HCl

Examples of doxorubicin in a Sentence

Recent Examples on the Web
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Despite the concerns, another FDA group — tasked with preventing drug shortages — reached out to Sun after the inspection to make sure that the factory would continue to produce the cancer drug doxorubicin. Megan Rose, ProPublica, 12 Aug. 2025 Preliminary results show that the drug is indeed being activated at the tumor — and is tolerated at almost nine times the normal amount of doxorubicin per cycle. Sarah Anderson, Discover Magazine, 21 Mar. 2022 The greatest risk is from the chemotherapy drug doxorubicin, an anthracyclin. NBC News, 2 Feb. 2018 The chemotherapy drug, doxorubicin, damaged Shae's heart, but her cancer required the most aggressive treatment possible to stop the tumors from spreading. David Haugh, chicagotribune.com, 29 Sep. 2017 Cheresh added that doxorubicin, which has already been approved for human use, is merely one example of what could be achieved through the nanotherapeutic use of other, highly toxic drugs. Brandon Keim, WIRED, 7 July 2008

Word History

Etymology

deoxy- + -orubicin (as in daunorubicin)

First Known Use

1971, in the meaning defined above

Time Traveler
The first known use of doxorubicin was in 1971

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Cite this Entry

“Doxorubicin.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/doxorubicin. Accessed 9 Sep. 2025.

Medical Definition

doxorubicin

noun
doxo·​ru·​bi·​cin ˌdäk-sə-ˈrü-bə-sən How to pronounce doxorubicin (audio)
: an anthracycline antibiotic with broad antineoplastic activity that is obtained from a bacterium of the genus Streptomyces (S. peucetius) and is administered in the form of its hydrochloride C27H29NO11·HCl

Note: Doxorubicin is marketed under the trademark Adriamycin and is used in combination with other drugs in the treatment of Hodgkin's lymphoma (see abvd).

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