Plevitrexed is taken up via the α-folatereceptor as well as the reduced folate carrier. Plevitrexed is an orally active and effective thymidylate synthase (TS) inhibitor (Ki: 0.44 nM). Plevitrexed is used for gastric cancer in clinical.
ONX 0801 (BGC 945) trisodium is a targeted thymidylate synthase (TS) inhibitor specifically designed to act against tumors overexpressing the α-folatereceptor.