Abstract
This article compares gravimetry vs. high-performance liquid chromatography (HPLC) as quality control (QC) methods for paclitaxel, docetaxel and oxaliplatin preparations. We aimed at assessing the preparation method reliability in our hospital, evaluating compounding accuracy and estimating the influence of personnel training and standardized homogenization on compounding accuracy. Agreement, correlation, concordance, accuracy and precision between methods were evaluated for each drug. Conforming preparation percentages (CPs) at different tolerance limits (TLs) and compounding accuracy were calculated for each method and drug. Compounding accuracy was compared before and after personnel training and standardized homogenization implantation. SPSS v 20.0 and Ene v 2.0 were used. A total of 222 samples (58 docetaxel, 95 paclitaxel and 69 oxaliplatin) were analyzed. Gravimetry and HPLC are comparable methods. Overall CP was 81% for gravimetry at 10% TL and 85% for HPLC at 15% TL. Compounding accuracy is shown to be good for all methods and drugs. Homogenization optimization and personnel training make measurements more accurate for docetaxel and paclitaxel HPLC, but seem to worsen accuracy for docetaxel gravimetry. Gravimetry has shown to be a good alternative to HPLC for routine QC. Coupling with electronic methods should be considered in the future.
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