Paclitaxel and carboplatin in inoperable non-small-cell lung cancer: A phase II study
AuthorKosmidis, Paraskevas A.
Skarlos, Dimosthenis V.
SourceAnnals of Oncology
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Background: Based on the high activity of single-agent paclitaxel and the superior one-year survival rates of patients with non-small-cell lung cancer (NSCLC) treated with carboplatin, a phase II trial was initiated using both agents in patients with inoperable stages III and IV disease to investigate the efficacy and toxicity of the combination. Patients and methods: Since July 1995, 60 patients fulfilling all eligibility criteria entered this study. All patients received paclitaxel 175 mg/m2 as a three- hour infusion, and carboplatin dosed to an area under the concentration-time curve of seven, every three weeks. No granulocyte colony-stimulating factor was given. Of the 56 male and four female patients, the median age was 57 years (range 29 to 75 years) and the median Eastern Co-Operative Oncology Group performance status was one. Most of the patients had stage IV (34) adenocarcinoma (31) with low differentiation (28). The median number of chemotherapy cycles was three, with a range of one to eight. Results: Of 55 evaluable patients, 15 (27.3%) achieved partial responses, 15 (27.3%) had astable disease, and 25 (45.4%) had progressive disease. The median survival was 8.95 months and 21.6% of the patients survived more than one year. Grade 2/3 nonhematologic toxicity included alopecia (59%), neurotoxicity (3%), and myalgia/arthralgia (10%). Grade 2/3 neutropenia occurred in 14% of patients, whereas grade 3/4 thrombocytopenia was seen in only 4%. One patient died of complications of a severe allergic reaction. Conclusion: Combination treatment using paclitaxel and carboplatin is active and well tolerated in patients with inoperable non-small-cell lung cancer. The dose-response relationship to paclitaxel and results of comparison with other platinum- based regimens remain to be determined.
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