A gene-drug correlation analysis was previously performed in lung cancer cell lines using the NC160 program. On the basis of this work, a phase I/II pilot study of weekly paclitaxel and carboplatin (CBDCA) was subsequently planned for refractory or recurrent non-small cell lung cancer (NSCLC). Safety and antitumor effects were evaluable in all 30 patients registered for this study. Seven patients were stage IIIB and 23 were stage IV. At level 5 (paclitaxel 100 mg/m2 and CBDCA AUCS), toxicities were not dose-limiting factors, but three out of the initial six cases had infusion skips. Our recommended dose was paclitaxel 100 mg/m2 and CBDCA AUC5. The response rate was 50% (9/18)(95% CI: 27-73%) in step 5. The median survival time was 12 months. This combination showed a promising clinical activity with mild toxicity and should be selected for the investigational arm of phase III trials to be compared with either docetaxel or pemetrexed.
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