Paclitaxel/carboplatin administration along with antiangiogenic therapy in non-small-cell lung and breast carcinoma models
Abstract
With the introduction of new drugs, the efficacy of chemotherapy in non-small-cell lung cancer has been improving. The combination of paclitaxel and carboplatin has shown activity in this disease but is far from curative. The antiangiogenic agent regimen of TNP-470/minocycline was added to treatment with paclitaxel and carboplatin alone and in combination in animals bearing the Lewis lung carcinoma. Administration of the antiangiogenic regimen prior to, during and after the cytotoxic therapy increased the tumor growth delay 1.6-fold and decreased the number of lung metastases to 20% of the number observed in the control animals. [14C]Paclitaxel, platinum from carboplatin and [14C]albumin levels were determined over a 24-h time course in tumors and normal tissues of animals bearing the Lewis lung carcinoma and pretreated with TNP-470/minocycline or not pretreated. There were higher levels of [14C]paclitaxel, platinum from carboplatin and [14C]albumin in the tumors and some normal tissues of the animals that had received TNP-470/minocycline compared with those that had not received TNP-470/minocycline, especially at the earlier time points. Administration of TNP-470/minocycline to animals bearing the EMT-6 mammary carcinoma incre...Continue Reading
Citations
Targeting the VEGF pathway: antiangiogenic strategies in the treatment of non-small cell lung cancer
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