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Investigational new drugs · Feb 2014
Feasibility of adding everolimus to carboplatin and paclitaxel, with or without bevacizumab, for treatment-naive, advanced non-small cell lung cancer.
- Wilfried E E Eberhardt, Paul Mitchell, Joan H Schiller, Michael P Brown, Michael Thomas, Glenn Mills, Valentine Jehl, Shweta R Urva, Jeffrey J De Leo, Sven Gogov, and Vassiliki Papadimitrakopoulou.
- Department of Medical Oncology, West German Cancer Centre, Universitätsklinikum Essen, Essen, Germany, wilfried.eberhardt@uni-essen.de.
- Invest New Drugs. 2014 Feb 1; 32 (1): 123-34.
IntroductionOne standard of care for advanced non-small cell lung cancer (NSCLC) is paclitaxel plus carboplatin ± bevacizumab. This two-step phase I study evaluated the feasibility of adding everolimus to paclitaxel plus carboplatin ± bevacizumab for advanced NSCLC.MethodsAdults with advanced NSCLC naive to systemic therapy were enrolled. A Bayesian dose-escalation model was used to identify feasible daily or weekly everolimus doses given with paclitaxel (200 mg/m(2) q21 days) and carboplatin (AUC 6 mg/mL/min q21 days) (step 1) and paclitaxel (200 mg/m(2) q21 days), carboplatin (AUC 6 mg/mL/min q21 days), and bevacizumab (15 mg/kg q21 days) (step 2). Primary endpoint was end-of-cycle 1 dose-limiting toxicity (DLT) rate. Secondary endpoints included safety; relative dose intensities of paclitaxel, carboplatin, and bevacizumab; pharmacokinetics; and tumor response.ResultsFifty-two patients were enrolled and received everolimus 5 mg/day plus carboplatin and paclitaxel (step 1 daily; n = 13); everolimus 30 mg/week plus carboplatin and paclitaxel (step 1 weekly; n = 13); everolimus 5 mg/day plus carboplatin, paclitaxel, and bevacizumab (step 2 daily; n = 13); or everolimus 30 mg/week plus carboplatin, paclitaxel, and bevacizumab (step 2 weekly; n = 13). End-of-cycle 1 DLT rate was 16.7 % (step 1 daily), 30.8 % (step 1 weekly), 30.0 % (step 2 daily), and 16.7 % (step 2 weekly). Cycle 1 DLTs were grade 3 neutropenia, anal abscess, diarrhea, and thrombocytopenia and grade 4 myalgia, cellulitis, neutropenia, febrile neutropenia, pulmonary embolism, and thrombocytopenia. The most common adverse events were neutropenia, fatigue, anemia, and thrombocytopenia. One patient (step 2 daily) experienced complete response, 10 patients partial response.ConclusionsThe feasible everolimus doses given with carboplatin and paclitaxel ± bevacizumab were 5 mg/day and 30 mg/week. Neither schedule was very well tolerated in this unselected NSCLC population.
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