Conversely, in a population examined for gastric cancer there was no relationship with polymorphisms in GSTP1 [141] and for another study patients with gastric cancer who received 5-fluorouracil/oxaliplatin chemotherapy as a first-line treatment, those possessing the GSTP1 105Val variant allele showed a statistically significant benefit for both time for progression and overall survival [142]. This evidence concerns the gene GSTP1 and gastric cancer.