FOLFIRINOX is a chemotherapy regimen for treatment of advanced pancreatic cancer. It is made up of the following four drugs:
FOLFIRINOX is a chemotherapy regimen for treatment of advanced pancreatic cancer. It is made up of the following four drugs: FOL – folinic acid (leucovorin), a vitamin B derivative that enhances the effects of 5-fluorouracil (5-FU); F – fluorouracil (5-FU), a pyrimidine analog and antimetabolite which incorporates into the DNA molecule and stops DNA synthesis; IRIN – irinotecan (Camptosar), a topoisomerase inhibitor, which prevents DNA from uncoiling and duplicating; and OX – oxaliplatin (Eloxatin), a platinum-based antineoplastic agent, which inhibits DNA repair and/or DNA synthesis.
The regimen emerged in 2010 as a new treatment for patients with metastatic pancreatic cancer. A 2011 study published in the New England Journal of Medicine found that FOLFIRINOX produced the longest improvement in survival ever seen in a phase III clinical trial of patients with advanced pancreatic cancer, with patients on the FOLFIRINOX treatment living approximately four months longer than patients receiving the standard gemcitabine treatment (11.1 months compared with 6.8 months). However, FOLFIRINOX is a potentially highly toxic combination of drugs with serious side effects, and only patients with good performance status are candidates for the regimen. Currently FOLFIRINOX is being used as a neoadjuvant therapy, meaning to downstage patients with "borderline and locally advanced" disease with the hope of rendering their tumors amenable to surgical resection.
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