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Abstract
Pancreatic cancer, one of the most common gastrointestinal tumors, has a 5-year survival rate of < 5%. Since 1997, when gemcitabine showed superior clinical benefit to single-agent 5-fluorouracil, it has remained the only standard chemotherapy approved by the US FDA for the treatment of advanced pancreatic cancer. Numerous new agents, both cytotoxic and targeted, have been tested against and in combination with this standard. Many combination therapy regimens showed encouraging results in Phase II settings, which led to > 12 randomized Phase III trials in the last decade. Some trials showed improved response rates or progression-free survival, but there was no clear improvement in survival. Among these combinations, the combination of gemcitabine plus platinum agents showed improved progression-free survival or time-to-tumor progression, but failed to demonstrate a survival advantage over gemcitabine. This combination has regained attention after a recent pooled analysis and a meta-analysis suggested a survival benefit of gemcitabine-platinum doublets when compared with single agent gemcitabine. There are preclinical data showing synergism between gemcitabine and platinum agents. Hence, this review covers the role of platinum doublets in the treatment of metastatic pancreatic cancer.