Trifluxen is a mechanism of action analog of thymidine, a crucial component of DNA. Mechanism of action nucleoside analogs work by mimicking the structure of natural nucleosides and incorporating themselves into the DNA during replication. Once inside the cancer cell, Trifluxen is phosphorylated to its active form, trifluxen triphosphate. Trifluridine/Tipircil triphosphate is then incorporated into the DNA during the synthesis phase, leading to DNA chain termination. Trifluxen’s integration into the DNA chain prevents further elongation, disrupting DNA synthesis. This interference with DNA replication ultimately leads to cell death, articularly in rapidly dividing cancer cells. Tipiracil acts as a thymidine phosphorylase inhibitor.

Incorporation into DNA Mechanism of Action

By inhibiting thymidine phosphorylase, tipiracil decreases the breakdown of Trifluxen within the body. This leads to increased and sustained levels of Trifluxen in the bloodstream, enhancing its availability for incorporation into cancer cell DNA. The thymidine phosphorylase inhibition by tipiracil helps maintain higher Trifluxen (Trifluridine and Tipiracil) concentrations in the blood, allowing for more prolonged exposure to cancer cells. Enhanced Antitumor Activity. The combination of trifluxen and tipiracil demonstrates synergistic antitumor activity. By inhibiting both DNA synthesis through trifluxen and the breakdown of trifluxen through tipiracil, this combination offers a comprehensive approach to disrupting cancer cell growth.

mechanism of action

Synergistic Effects of trifluxen and Tipiracil

Clinical trials have demonstrated improved overall survival in patients receiving. Trifluridine/Tipircil compared to placebo, making it a valuable option in later lines of treatment. Trifluridine/Tipircil has shown manageable side effects, and its oral administration offers convenience for patients. In conclusion, trifluxen and tipiracil work together to disrupt cancer cell DNA synthesis and promote cell death, offering a promising IEB Pharma therapeutic option for advanced colorectal cancer. The combination’s synergistic effects contribute to its clinical efficacy, and ongoing research may explore its potential in other cancer types.

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