📚 Worth a read — Vincristine Sulfate — cancer drug information (NCI) Vincristine Sulfate: (vin-KRIS-teen SUL-fayt) Vincristine is a type of chemotherapy called a vinca alkaloid. Vinca alkaloids interfere with microtubules (cellular structures that help move chromosomes during mitosis).... via National Cancer Institute: https://www.cancer.gov/about-cancer/treatment/drugs/vincristinesulfate (Informational only — always check with your care team on anything medical.)