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  • Title: A phase I/II study of pemetrexed and vinorelbine in patients with non-small cell lung cancer.
    Author: Clarke SJ, Boyer MJ, Millward M, Underhill C, Moylan E, Yip D, White S, Childs A, Beale P, Latz J, Suri A, Iglesias JL.
    Journal: Lung Cancer; 2005 Sep; 49(3):401-12. PubMed ID: 15923057.
    Abstract:
    PURPOSE: Pemetrexed and vinorelbine are active antineoplastic agents in non-small cell lung cancer (NSCLC). Phase I objectives include maximum tolerated dose (MTD) and recommended phase II dose determination, and pharmacokinetics of the pemetrexed-vinorelbine doublet in locally advanced or metastatic solid tumor patients (pts). Phase II objectives include tumor response evaluation, efficacy, and toxicity for first-line treatment of advanced NSCLC. EXPERIMENTAL DESIGN: Phase I pts received pemetrexed (day 1, 300-700 mg/m2) and vinorelbine (days 1 and 8, 15-30 mg/m2) every 21 days. Pharmacokinetics determined at cycle 1. Beginning with dose-level 3, folic acid and Vitamin B12 supplementation were given. RESULTS: Thirty-one phase I pts were enrolled. MTD was pemetrexed 700 mg/m2 and vinorelbine 30 mg/m2; and recommended phase II dose was pemetrexed 500 mg/m2 and vinorelbine 30 mg/m2. When administered in combination, pemetrexed and vinorelbine pharmacokinetics were consistent with single-agent administration. Thirty-seven (36 chemonaive) phase II NSCLC pts received pemetrexed-vinorelbine. Evaluable tumor response was 40%, with intent-to-treat 38%. One drug-related death occurred from febrile neutropenia with Staphylococcal infection. Grade 3/4 hematologic toxicities were neutropenia (65%) and febrile neutropenia (11%), while prevalent grade 3/4 non-hematologic toxicity was fatigue (27%). CONCLUSION: The pemetrexed-vinorelbine combination is well tolerated and shows activity as first-line treatment in advanced NSCLC patients.
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