OBJECTIVES: A phase I trial was conducted to determine the maximally tolerated dose of erlotinib with concurrent gemcitabine, paclitaxel, and radiation for patients with locally advanced pancreatic cancer and to gather preliminary data on maintenance erlotinib after chemoradiation. METHODS: Patients received gemcitabine, 75 mg/m2, and paclitaxel, 40 mg/m, weekly for 6 weeks with 50.4 radiation to the primary tumor and draining lymph nodes with a 2- to 3-cm margin. Erlotinib was administered over 3-dose levels (50-100 mg/d) with chemoradiation then all patients received 150 mg/d maintenance until disease progression. RESULTS:Seventeen patients were assessable for toxicity; 13 with locally advanced disease and 4 who had undergone resection but had positive margins. At erlotinib dosages > or =75 mg/d with chemoradiation the dose-limiting toxicities were diarrhea, dehydration, rash, myelosuppression, and small bowel stricture. Maintenance erlotinib, 150 mg/d, was well tolerated. The median survival of the 13 patients with locally advanced disease was 14.0 months and 6 of 13 (46%) had a partial response. CONCLUSIONS: The maximum tolerated dose of erlotinib with gemcitabine, paclitaxel and concurrent radiation is 50 mg/d for patients with locally advanced pancreatic cancer. Full dose maintenance erlotinib is well tolerated. Promising preliminary activity and overall survival were demonstrated.
RCT Entities:
OBJECTIVES: A phase I trial was conducted to determine the maximally tolerated dose of erlotinib with concurrent gemcitabine, paclitaxel, and radiation for patients with locally advanced pancreatic cancer and to gather preliminary data on maintenance erlotinib after chemoradiation. METHODS:Patients received gemcitabine, 75 mg/m2, and paclitaxel, 40 mg/m, weekly for 6 weeks with 50.4 radiation to the primary tumor and draining lymph nodes with a 2- to 3-cm margin. Erlotinib was administered over 3-dose levels (50-100 mg/d) with chemoradiation then all patients received 150 mg/d maintenance until disease progression. RESULTS: Seventeen patients were assessable for toxicity; 13 with locally advanced disease and 4 who had undergone resection but had positive margins. At erlotinib dosages > or =75 mg/d with chemoradiation the dose-limiting toxicities were diarrhea, dehydration, rash, myelosuppression, and small bowel stricture. Maintenance erlotinib, 150 mg/d, was well tolerated. The median survival of the 13 patients with locally advanced disease was 14.0 months and 6 of 13 (46%) had a partial response. CONCLUSIONS: The maximum tolerated dose of erlotinib with gemcitabine, paclitaxel and concurrent radiation is 50 mg/d for patients with locally advanced pancreatic cancer. Full dose maintenance erlotinib is well tolerated. Promising preliminary activity and overall survival were demonstrated.
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