Pharmacology Cytotoxic Anticancer Drugs d031cd98 Vinca alkaloids act on which phase of cell cycle? A G1 phase B S phase C G2 phase D M phase High-Yield Explanation S phase specific drugs:- Antimetabolite - antifolate, purine, pyrimidine analogues M phase specific drugs:- Vinca alkaloids Taxanes Anti microtubule inhibitors