Abstract
TPS476 Background: Neoadjuvant treatment for borderline resectable pancreatic cancer (PCa) is increasing in acceptability, but a standard regimen has yet to be established. Multiple studies have demonstrated feasibility and effectiveness of the FOLFIRINOX (5-fluorouracil, leucovorin, oxaliplatin and irinotecan) regimen in the perioperative setting. However, FOLFIRINOX often requires dose modifications, delays and growth factor support due to excessive toxicity which can complicate care delivery when given neoadjuvantly. Irinotecan liposomal injection (Nal-IRI) is FDA approved with a very tolerable safety profile in refractory metastatic PCa. The current study aims to substitute Nal-IRI for traditional irinotecan in the standard FOLFIRINOX regimen and demonstrate safe and effective delivery in the neoadjuvant setting. Methods: This phase II, open-label, single-arm study targets patients with borderline resectable PCa without metastatic disease. Other key eligibility criteria include age ≥ 18 years, measurable disease by RECIST v1.1, adequate cardiac, renal, hepatic function, and Eastern Cooperative Oncology Group performance status of 0 to 1. Patients receive FOLFNal-IRINOX regimen as per table every two weeks for four months followed by disease reassessment. Patients who remain surgical candidates will undergo surgical resection within four to eight weeks following last dose of therapy. The primary endpoint is to assess safety and feasibility of regimen in perioperative setting. Secondary endpoints include R0 resection rate, clinical, biochemical and radiological response rate and patient-reported quality of life as measured by the NCI validated FACT-G scale. Enrollment continues to a maximum of 28 evaluable patients to demonstrate a reduction in historical 30 day postoperative complication rate. FOLFNal-IRINOX regimen. Clinical trial information: NCT03483038. [Table: see text]
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