Liposomal Irinotecan: A Review as First-Line Therapy in Metastatic Pancreatic Adenocarcinoma.

Liposomal irinotecan (Onivyde), also known as liposomal pegylated irinotecan, has been developed with the intent of maximising anti-tumour efficacy and minimising drug-related toxicities compared with conventional formulations of this topoisomerase 1 inhibitor. In combination with fluorouracil, leucovorin and oxaliplatin (NALIRIFOX), liposomal irinotecan is approved in the USA and the EU for first-line therapy of eligible patients with metastatic pancreatic adenocarcinoma. In a phase III clinical trial, NALIRIFOX significantly improved overall survival (OS) and progression free survival (PFS) compared with gemcitabine plus nanoparticle albumin bound paclitaxel (nab-paclitaxel) as first-line treatment of patients with metastatic pancreatic ductal adenocarcinoma (mPDAC). The safety profile of NALIRIFOX was generally manageable, with diarrhoea, hypokalaemia and neutropenia being the most common grade ≥ 3 treatment-emergent adverse events. Although further analyses will help position the liposomal irinotecan-containing regimen NALIRIFOX in first-line treatment of metastatic pancreatic adenocarcinoma, current evidence indicates that it is a useful addition to treatment options in this patient population.

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