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Journal Article
Validation Studies
Development and validation of LC-MS/MS with in-source collision-induced dissociation for the quantification of pegcantratinib in human skin tumors.
Bioanalysis 2017 Februrary
AIM: Pegcantratinib is a mini-PEGylated K252a derivative, under clinical evaluation as an anticancer agent acting through inhibition of the tropomyosin receptor kinase. A method for quantifying pegcantratinib in skin tumor biopsies of patients was required to determine tumor drug penetration.
METHODS & RESULTS: A sensitive and PEGylated molecule specific HPLC-MS/MS method coupled with in-source collision-induced dissociation was developed. The method exhibited excellent precision (coefficient of variation ≤8.5%), accuracy in the range 95-102%, high and consistent recovery and no matrix effect. The assay was linear across a range of 1-500 ng/ml, with a limit of quantitation of 2.5 ng/ml.
CONCLUSION: We have developed and validated a method for analyzing pegcantratinib in human tumor biopsies, with the approach successfully applied to clinical trial samples.
METHODS & RESULTS: A sensitive and PEGylated molecule specific HPLC-MS/MS method coupled with in-source collision-induced dissociation was developed. The method exhibited excellent precision (coefficient of variation ≤8.5%), accuracy in the range 95-102%, high and consistent recovery and no matrix effect. The assay was linear across a range of 1-500 ng/ml, with a limit of quantitation of 2.5 ng/ml.
CONCLUSION: We have developed and validated a method for analyzing pegcantratinib in human tumor biopsies, with the approach successfully applied to clinical trial samples.
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