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We evaluated the efficacy of chemotherapy using S-1 after gastrojejunostomy for unresectable gastric cancer with pyloric stenosis. We performed gastrojejunostomy to relieve obstruction in 40 patients from 1993 to 2007. After gastrojejunostomy, 15 patients were treated with S-1(S-1 group), 12 patients were treated with another anticancer drug(non S-1 group)and the other 13 patients received no chemotherapy. After informed consent was obtained, S-1(80 mg/m(2)day)and another anticancer drug was administered. The mean period of administered was 16(range 2-56)weeks in the S-1 group. In the non S-1 group, 5-FU was used in 1 patient, 5'-DFUR in 2, UFT in 3, FP chemotherapy in 3, CPT- 11/CDDP chemotherapy in 1, and 5-FU/PTX chemotherapy was conducted in 2 patients. The one-year survival rate was 63% and the median survival time was 394 days in the S-1 group, against 33% and 169 days, respectively, in the non S-1 group. Appetite loss of grade 3 was observed in one(7%)patient with nonhematological toxicity, but no patient suffered grade 3 hematological toxicity. We observed the course of all patients on an outpatient basis. In conclusion, S- 1 administration after gastrojejunostomy appears to be an effective treatment modality for far advanced gastric cancer patients with pyloric stenosis in view of toxicities, antitumor effects and QOL of the patients.

FOLFOX/FOLFIRI chemotherapy is usually applied through central venous catheters because of possible occurrence of phlebitis during application of these regimen via peripheral vein. However, the exact frequency and degree of the problems at peripheral venous access site during FOLFOX/FOLFIRI chemotherapy via peripheral vein in the clinical setting has not been reported previously. We investigated the frequency of infusion failure and phlebitis in 43 patients with advanced or recurrent colorectal cancer who received FOLFOX4, mFOLFOX6 or FOLFIRI chemotherapy in our institution. After informed consent, FOLFOX/FOLFIRI chemotherapy was applied via peripheral vein in 29 cases; all courses (13.1+/-8.1 (Mean+/-SD)courses, 5-FU: 3,510+/-743 mg/body/course) were completed via peripheral vein in the 20 cases (70%). In the other 9 cases, the access site was converted to the central vein because of the problems of access site following completion of 5.9+/-2.0 courses via peripheral vein. Fifty eight times of phlebitis were recognized during total of 301 courses; severe phlebitis requiring medical treatment was not recognized in any case. Seventy seven times of the change of venous access site were required during total of 301 courses. These data would be essential for the exact informed consent for choosing the access site for FOLFOX/FOLFIRI chemotherapy.