[A case of an increase in resectability with preoperative chemotherapy TS-1 combined with CPT-11 for unresectable rectal cancer in downstaging].
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| Abstract |
A 50-year-old woman visited our hospital with a chief complaint of lower abdominal mass. The patient was diagnosed with rectal cancer using colonoscopy and also diagnosed with unresectable rectal cancer because abdominal CT revealed metastases to the liver, lung and lymph node located porta hepatis. The patient was treated with TS-1 combined with CPT-11. The TS-1 (80 mg/m2) was orally administered for 2 weeks and followed by a 2 week interval, and CPT-11 (80 mg/m2) was simultaneously administered biweekly. One cycle of chemotherapy was 28 days. The patient experienced grade 1 leukocytopenia and neutropenia. Abdominal CT revealed partial response after 2 cycles. After 6 cycles, the patient was subjected to curative operation. Pathological efficacy was Grade 1a at lymph node metastasis and Grade 3 at liver metastasis. TS-1 combined with CPT-11 regimen was very feasible and convenient, and obtained a good compliance. So this regimen was promising for unresectable colorectal cancer. In the future, this regimen will be verified in phase III clinical trial and compared with FOLFIRI and FOLFOX regimens.
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| Authors | Tomohisa Egawa, Atsushi Nagashima, Mitsuhide Kitano, Masakazu Doi, Shinobu Hayashi, Hiroshi Yoshii |
| Journal | Gan to kagaku ryoho. Cancer & chemotherapy (Gan To Kagaku Ryoho) Vol. 32 Issue 11 Pg. 1771-3 (Oct 2005) ISSN: 0385-0684 [Print] Japan |
| PMID | 16315936 (Publication Type: Case Reports, Journal Article) |
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