• A Argiris, M Liptay, M LaCombe, M Marymont, M S Kies, S Sundaresan, and G Masters.
• Division of Hematology-Oncology, Department of Medicine, The Feinberg School of Medicine, Northwestern University, Chicago, IL 60611, USA. a-argiris@northwestern.edu
• Lung Cancer. 2004 Aug 1; 45 (2): 243-53.

PurposeWe designed a phase I/II trial in order to evaluate the efficacy and tolerability of induction carboplatin and gemcitabine and the maximum tolerated dose (MTD) and dose-limiting toxicity (DLT) of subsequent chemoradiotherapy with weekly vinorelbine and paclitaxel in patients with stage III non-small cell lung cancer (NSCLC).Patients And MethodsPatients had pathologically confirmed N2-N3 stage NSCLC, adequate end-organ function, and ECOG performance status 0-2. Carboplatin was administered at an AUC of 5 on day 1 and gemcitabine 1000 mg/m2 on days 1 and 8, every 21 days, for two cycles, followed by weekly vinorelbine 10-15 mg/m2 and paclitaxel 50 mg/m2 and conventional chest radiotherapy up to 66 Gy. Patients with resectable disease underwent thoracotomy after 40-45 Gy.ResultsThirty-nine eligible patients were enrolled; 17 had stage IIIB NSCLC. Grade 3 esophagitis developed in 4/5 patients on the second dose level of chemoradiotherapy (i.e. vinorelbine 15 mg/m2) and was considered dose-limiting. Of 34 patients treated at the maximum tolerated dose (i.e. vinorelbine 10 mg/m2), 2 patients (6%) had pneumonitis >grade 2 and 3 (9%), esophagitis >grade 2. Induction chemotherapy was well tolerated with only one patient developing >grade 2 non-hematologic toxicity (nausea). Forty-one percent of patients had an objective response after induction chemotherapy and 51% after chemoradiotherapy. Nineteen patients, 16 of whom had stage IIIA, underwent surgical resection. The pathologic complete response rate was 16% (42% in the mediastinal lymph nodes). With a median follow-up of 31 months, the 3-year progression-free survival (PFS) and overall survival (OS) rates were 23 and 34%, respectively, and the median OS was 25 months.ConclusionsWe identified a well-tolerated and active chemoradiotherapy regimen. Survival results are promising and the addition of a biologic agent to this regimen is of interest.

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