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  • Title: A prospective phase II study: high-dose pemetrexed as second-line chemotherapy in small-cell lung cancer.
    Author: Grønberg BH, Bremnes RM, Aasebø U, Brunsvig P, Fløtten O, Amundsen T, von Plessen C, Wang M, Sundstrøm S, Norwegian Lung Cancer Study Group.
    Journal: Lung Cancer; 2009 Jan; 63(1):88-93. PubMed ID: 18538889.
    Abstract:
    PURPOSE: To investigate the efficacy and tolerability of high-dose pemetrexed as second-line chemotherapy in small cell lung cancer (SCLC). PATIENTS AND METHODS: Patients with verified SCLC who had received one prior chemotherapy regimen, aged 18-75 years, WHO Performance Status 0-2, no clinical signs of brain metastases and measurable disease were eligible. Patients received pemetrexed 900 mg/m(2) IV every 3 weeks. Four courses were planned for all patients. Patients with relapse later than 3 months since last course of first-line chemotherapy were defined as "sensitive", those with relapse within 3 months as "refractory". Toxicity was graded using the CTCAE v3.0. RESULTS: 36 patients were accrued, 34 received study treatment. Median age was 61 (range 43-74), 18 (53%) males and 16 (47%) females. Mean number of courses administered was 2.5. One patient (3%) had partial response, three (9%) had stable disease and 29 (85%) progressed. One patient (3%) was not evaluable for response. Median TTP (n=33) was 7.7 weeks ("sensitive": 8.4 weeks, "refractory": 5.1 weeks). Median OS (n=34) was 17.6 weeks ("sensitive": 22.6 weeks, "refractory": 15.3 weeks). Of grade 3-4 haematological toxicity, anemia was observed in 2 (6%) patients, leukopenia in 6 (18%), granulocytopenia in 9 (27%) and thrombocytopenia in 3 (9%). Febrile neutropenia occurred in 6 (18%) patients. There were no treatment related deaths. CONCLUSION: High-dose pemetrexed monotherapy to patients with recurrent SCLC yielded moderate toxicity, but limited treatment efficacy.
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