A comparative study of cisplatin and vinblastine versus ifosfamide, cisplatin and vinblastine in non-operable non-small-cell lung cancer

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Abstract
To evaluate the efficacy and toxicity of ifosfamide in combination with cisplatin and vinblastine in non-operable non-small-cell lung cancer (NSCLC). A total of 136 patients with stage III or IV NSCLC were randomized to either PV (cisplatin, 120 mg/m2, and vinblastine, 6 mg/m2) or VIP (PV with the addition of ifosfamide, 3 g/m2) every 3 weeks. Patients receiving VIP had a higher response rate (31% vs. 10%), but the performance status (PS) was significantly worse in those receiving PV. No difference in survival can be demonstrated between the two treatment groups. The median survival was 8.4 months. In both groups, patients with stage III disease, good PS and no visceral involvement had better survivals. Nausea/vomiting and alopecia were more pronounced in the VIP group, although both chemotherapies were well tolerated. The addition of ifosfamide improved the response rate, but a survival advantage cannot be proven. The prognostic value of stage, PS and metastatic site is confirmed in this trial; further studies are required to select subgroups of patients who may have a survival benefit with combination chemotherapy. The response rate elicited by VIP makes it a candidate for neoadjuvant treatment.