Promising new therapies in advanced pancreatic adenocarcinomas

Pancreatic ductal adenocarcinoma is a lethal disease due to late diagnosis, early metastasis and the lack of effective therapies. In patients with metastatic disease, 1-year survival ranges from 17 to 23% and 5-year survival is less than 5%. This necessitates an urgent need for developing more effective therapies. Targeting the neoplastic cells has been largely ineffective due to the dense stroma, which is a physical barrier for effective drug delivery and also a source for different factors that promote tumor progression and immunosuppression. In this review, we focus on understanding the complex biology of this tumor as it relates to the evaluation of previously failed molecularly targeted trials and review potential new therapies that are emerging in the treatment of metastatic pancreatic ductal adenocarcinoma.

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