S-Space College of Medicine/School of Medicine (의과대학/대학원) Internal Medicine (내과학전공) Journal Papers (저널논문_내과학전공)
A phase I/II trial of second-line chemotherapy with paclitaxel and irinotecan in fluoropyrimidine- and platinum-pretreated patients with advanced gastric cancer
- Kim, Jin Won; Choi, In Sil; Kim, Yu Jung; Lee, Kyung-Hun; Lee, Keun-Wook; Kim, Tae-Yong; Han, Sae-Won; Kim, Jee Hyun; Kim, Tae-You; Lee, Jong Seok; Bang, Yung-Jue; Im, Seock-Ah; Oh, Do-Youn
- Issue Date
- Cancer Chemotherapy and Pharmacology, Vol.75 No.6, pp.1175-1182
- This is a phase I/II study of second-line chemotherapy with paclitaxel and irinotecan in fluoropyrimidine- and platinum-pretreated patients with metastatic or recurrent gastric cancer. Phase I part with a standard 3 + 3 dose-escalation design was conducted to define the recommended phase II dose (RP2D) using four predefined dose levels of paclitaxel and irinotecan. The efficacy of RP2D was evaluated in a phase II part. In phase I part, 12 patients were enrolled. Dose-limiting toxicity was not observed. The RP2D was established as level 4 (paclitaxel-135 mg/m(2) and irinotecan-160 mg/m(2), every 3 weeks). In phase II part, 27 patients were enrolled. Thirty patients, including three patients at dose level 4 in the phase I part, were analyzed for efficacy. There was no complete response. Partial response and stable disease were reported in four and 16 patients, respectively (response rate 13.3 %, 95 % CI 0.0-25.5 %; disease control rate 66.6 %, 95 % CI 49.0-83.0 %). The median time to progression and overall survival was 3.0 months (95 % CI 1.8-4.2) and 10.1 months (95 % CI 6.6-13.6), respectively. Grade 3/4 toxicities included neutropenia (2 patients, 7.4 %), thrombocytopenia (1, 3.7 %), neutropenic fever (1, 3.7 %), and diarrhea (1, 3.7 %). There were no treatment-related deaths. The RP2D of the paclitaxel and irinotecan combination is paclitaxel (135 mg/m(2)) and irinotecan (160 mg/m(2)), every 3 weeks. This combination as a second-line treatment for advanced gastric cancer shows tolerable toxicity and modest efficacy.
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