Phase II study of docetaxel in combination with everolimus for second- or third-line therapy of advanced non-small-cell lung cancer

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Abstract

We conducted a phase II study of docetaxel in combination with everolimus, a mammalian target of rapamycin (mTOR) inhibitor, for salvage therapy of advanced non-small-cell lung cancer (NSCLC) based on promising preclinical and early-phase clinical data. Patients with advanced-stage NSCLC treated with one or two previous systemic therapy regimens were given docetaxel (60 mg/m 2) and everolimus (5 mg orally once daily on days 1-19) every 3 weeks. Archived tumor specimens were evaluated for markers of mTOR pathway activation (total and phosphorylated mTOR, Akt, S6, eIF4e, and 4EBP1). Twenty-eight patients were enrolled (median age: 62 years; male: 13; Caucasians: 19; adenocarcinoma: 20; performance status 0, 3; performance status 1, 23; 1 previous regimen, 16). A median of 3.5 cycles of therapy was administered. Two patients experienced partial response and 15 had stable disease (clinical benefit rate, 70%). The 6-month progression-free survival rate was 5%, and the median overall survival was 9.6 months. Low pAkt expression correlated with clinical benefit rate (p = 0.01) but not with progression-free survival or overall survival. The combination of everolimus and docetaxel was tolerated well, but the efficacy was relatively modest in an unselected population of patients with NSCLC. Copyright © 2013 by the International Association for the Study of Lung Cancer.

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Ramalingam, S. S., Owonikoko, T. K., Behera, M., Subramanian, J., Saba, N. F., Kono, S. A., … Khuri, F. R. (2013). Phase II study of docetaxel in combination with everolimus for second- or third-line therapy of advanced non-small-cell lung cancer. Journal of Thoracic Oncology, 8(3), 369–372. https://doi.org/10.1097/JTO.0b013e318282709c

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