[Comparative clinical study of adjuvant postoperative chemotherapy (5-FU, Tegafur, 5-FU + MMC) in curatively resected cases of gastric cancer. Study Group on 5-FU Oral Adjuvant Chemotherapy in Gastric Cancer].
A multi-center collaborative study was conducted in curatively resected gastric cancer patients at Stages II and III to compare oral 5-FU (Group A), oral Tegafur (Group B) and i.v. MMC + oral 5-FU (Group C). From May 1982 to April 1985, 1,012 cases were enrolled at 55 institutions. Some 138 (13.8%) were excluded, and 874 were analyzable. In the analysis of background factors, Group B had more cases with tumor of large diameter and advanced Stage. Adverse effects were relatively mild in all groups, and there was no problem in drug tolerance. Five-year survival rate was 67.6%, 62.4% and 68.6% in Groups A, B and C, respectively, reflecting no significant difference among them. It was 85.0%, 83.0% and 81.1% in Stage II and 52.5%, 51.0% and 59.0% in Stage III of Groups A, B and C, respectively. No significant difference was found, but Stage III of Group C showed a slightly higher survival rate. Supportive clinical study will be required to assess the usefulness of MMC as an introduction therapy. We found no difference in efficacy between 5-FU and Tegafur as maintenance therapy. The life-prolongation effect of fluoropyrimidines in comparison with surgery alone should be studied separately.
Nakajima
T
T
Gunma Cancer Center Tomo Hospital, Japan.
Miwa
K
K
Ohmori
Y
Y
Sakabe
T
T
Fujii
M
M
Kajitani
T
T
D000328:Adult; D000368:Aged; D000971:Antineoplastic Combined Chemotherapy Protocols / Q000627:therapeutic use*; D017024:Chemotherapy, Adjuvant; D005260:Female; D005472:Fluorouracil / Q000008:administration & dosage; D005743:Gastrectomy; D006801:Humans; D008297:Male; D008875:Middle Aged; D016685:Mitomycin / Q000008:administration & dosage; D013274:Stomach Neoplasms / Q000188:drug therapy* / Q000401:mortality / Q000601:surgery; D015996:Survival Rate; D005641:Tegafur / Q000008:administration & dosage
D005641:Tegafur; D016685:Mitomycin; D005472:Fluorouracil