Postoperative adjuvant chemotherapy for gastric cancer, the second report. Analysis of data on 2873 patients followed for five years

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Abstract
The effectiveness of combination chemotherapy with mitomycin-C (MMC) plus futraful (N1-(2′-tetrahydrofuryl)-5-fluorouracil), as an adjunct to surgery for gastric cancer was investigated in a prospective randomized controlled study. Three thousand and thirty-three Japanese patients in 344 hospitals were entered and 2873 could be followed for 5 years. All patients had undergone gastrectomy from April 1977 to May 1979 and were assigned, at random, to either Groups A, B or C. In Group A, bolus MMC was administered with no further treatment. In Group C, oral futraful was given for one year, without MMC induction. In Group B, both a bolus MMC injection and oral futraful were prescribed. This randomized study showed no statistical difference in the 5 year survival rate among the three groups. However, in patients given MMC and put on oral futraful for one year, the 5 year survival rate for those with stage III gastric cancer or for those with positive lymphnode metastasis plus obvious serosal invasion seemed to be improved.