Bioanalysis · 2015
HPLC-MS/MS method to measure trabectedin in tumors: preliminary PK study in a mesothelioma xenograft model.
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Ceriani Laura, Ferrari Mariella, Zangarini Monique, Licandro Simonetta Andrea, Bello Ezia, Frapolli Roberta, Falcetta Francesca, D'Incalci Maurizio, Libener Roberta, Grosso Federica, Aviles Pablo, Zucchetti Massimo
Аннотация
BACKGROUND: Trabectedin is an anticancer agent registered for the second-line treatment of soft tissue sarcoma and ovarian cancer. No preclinical data are available on its tumor distribution, so a method for quantification in neoplastic tissues is required.
METHODS/RESULTS: We validated an LC-MS/MS assay determining the recovery, sensitivity, linearity, precision and accuracy in mouse tumor and liver samples. The limit of quantification was 0.10 ng/ml with a curve range of 0.10-3.00 ng/ml (accuracy 96.1-102.1%). Inter-day precision and accuracy of QCs were 6.0-8.2 and 97.0-102.6% respectively. The method was applied in mesothelioma xenografts treated with therapeutic doses.
CONCLUSION: The method was validated for measuring trabectedin in tissues. In a mesothelioma xenograft model, trabectedin distributed preferentially in tumor compared with liver.
METHODS/RESULTS: We validated an LC-MS/MS assay determining the recovery, sensitivity, linearity, precision and accuracy in mouse tumor and liver samples. The limit of quantification was 0.10 ng/ml with a curve range of 0.10-3.00 ng/ml (accuracy 96.1-102.1%). Inter-day precision and accuracy of QCs were 6.0-8.2 and 97.0-102.6% respectively. The method was applied in mesothelioma xenografts treated with therapeutic doses.
CONCLUSION: The method was validated for measuring trabectedin in tissues. In a mesothelioma xenograft model, trabectedin distributed preferentially in tumor compared with liver.