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One-year survival was increased by about 40% for patients who received the combination. Although these are encouraging results, further study is needed, experts said, and it is not clear whether this combination will become the standard of care.
This is the first trial to show a benefit for targeted therapy in pancreatic cancer, and it is the first demonstration of the survival benefit of an EGFR inhibitor plus cytotoxic chemotherapy, said lead investigator Malcolm J. Moore, MD, Director of the New Drug Development Program at Princess Margaret Hospital and Professor of Medicine and Pharmacology at the University of Toronto.
This is also the first gemcitabine-based combination to show a survival benefit, he noted.
Gemcitabine has been the standard of care for the past decade. Previous studies of gemcitabine in combination with other agents failed to show a benefit over that observed with gemcitabine alone.
Combinations that have been studied include gemcitabine and fluorouracil, gemcitabine and oxaliplatin, gemcitabine and irinotecan, and gemcitabine and pemetrexed.