1) Cancer treatment 
Clinicians sometimes use the abbreviation `NVB` for vinorelbine, although (like many medical abbreviations) it is not a unique identifier. ==Pharmacology== The antitumor activity is due to inhibition of mitosis through interaction with tubulin. Vinorelbine is the first 5´NOR semi-synthetic vinca alkaloid. It is obtained by semi-synthesis from a.....
A chemotherapy drug, also known as Navelbine.
An anticancer drug that belongs to the family of plant drugs called vinca alkaloids.
(vi-nor´el-bēn) a semisynthetic vinca alkaloid derived from vinblastine; administered intravenously as the tartrate salt as an antineoplastic agent in treatment of non–small cell lung cancer.