antimicrotubule agents [also called vinca alkaloids, antimitotic agents, or mitotic inhibitors]
Drugs that stop cancer cell growth by keeping cells from dividing and making new cells. It is a type of chemotherapy
. Vincristine (brand names: Oncovin, Vincasar PES, Vincrex)
and Navelbine (chemical name: vinorelbine
are two antimicrotubule agents used to treat breast cancer.