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  • Title: A novel triplet regimen with paclitaxel, carboplatin and gemcitabine (PACCAGE) as induction chemotherapy for locally advanced unresectable non small cell lung cancer (NSCLC).
    Author: Schallier D, Neyns B, Fontaine C, Steene JV, De Mey J, Meysman M, De Grève J.
    Journal: Lung Cancer; 2007 May; 56(2):247-54. PubMed ID: 17337086.
    Abstract:
    UNLABELLED: Phase II study of 3 cycles of triplet induction chemotherapy (response, toxicity) followed by radiotherapy in locally advanced non small cell lung cancer (NSCLC). BACKGROUND: Patients with locally advanced inoperable non-small cell lung cancer are currently treated with concomitant or sequential chemotherapy and radiotherapy. However, the outcome of existing treatment modalities is unsatisfactory. Development of new strategies including more efficient systemic chemotherapy is warranted. OBJECTIVE: To study the antitumour activity and toxicity of a triplet combination of paclitaxel, carboplatin and gemcitabine as induction chemotherapy before radiotherapy, in locally advanced NSCLC and to evaluate time to progression and survival. METHODS: Three cycles of paclitaxel (175 mg/m(2) by 3h infusion on day 1), carboplatin (AUC 5mg/(mlmin) by IV bolus on day 1) and gemcitabine (1000 mg/m(2) by IV bolus on day 1 and 8) were administered every 3 weeks in reasonably fit patients. Fractionated radiotherapy with curative intent was initiated 4 weeks after the last chemotherapy administration. Toxicity was assessed weekly during cycle 1 and on day 1 and 8 in cycles 2 and 3. Response evaluation was performed at the end of cycle 3. RESULTS: Forty-eight patients (20 stage IIIA and 28 stage IIIB) received a total of 134 cycles of chemotherapy. Forty-two patients received the intended 3 cycles. Thirty patients obtained an objective response (1 complete and 29 partial response) or 62.5% on the intent to treat analysis (95% confidence interval: 49-76%). None of the responders became eligible for surgery. The median time to progression and survival for all patients was 10.1 and 15.7 month, respectively. A significant difference was observed in survival parameters between stage IIIA and stage IIIB patients. Haematological toxicity grade 3/4, mainly neutropenia and thrombocytopenia, was most prominent on day 15 of the treatment cycles. Haematological support by means of recombinant erythropoietin, red blood cell or platelet transfusion, filgrastim administration or a combination was needed in 21 patients. None of the patients discontinued chemotherapy because of haematotoxicity. Grade 3/4 non-haematological toxicity leading to chemotherapy withdrawal occurred early during induction (2 and 1 in cycles 1 and 2, respectively). CONCLUSION: Three cycles of the novel triplet combination of paclitaxel, carboplatin and gemcitabine (PACCAGE) is an active and feasible induction regimen for patients with locally advanced inoperable NSCLC. Neutropenia and to a lesser extent thrombocytopenia represent the main haematological toxicity. Whether this triplet regimen can improve outcome when compared to specific cisplatin doublet regimens should be evaluated in a phase III study.
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