neo·​ad·​ju·​vant | \ ˌnē-ō-ˈa-jə-vənt How to pronounce neoadjuvant (audio) \

Definition of neoadjuvant

: of, relating to, or being treatment (such as chemotherapy or hormone therapy) administered before primary cancer treatment (such as surgery) to enhance the outcome of primary treatment In certain breast cancer, neoadjuvant therapies reduce recurrences by 50 percent in some situations.— Jen Waters The use of preoperative (neoadjuvant) chemotherapy before resection of the primary pulmonary tumor is controversial, and data are lacking to guide clinicians.— Michael Lanuti et al. — compare adjuvant entry 1 sense 2

First Known Use of neoadjuvant

1984, in the meaning defined above

History and Etymology for neoadjuvant

neo- + adjuvant entry 2

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Cite this Entry

“Neoadjuvant.” Dictionary, Merriam-Webster, Accessed 5 Jul. 2020.

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