التفاصيل البيبلوغرافية
| العنوان: |
Genetic polymorphisms and paclitaxel- or docetaxel-induced toxicities: A systematic review. |
| المؤلفون: |
Frederiks, C.N., Lam, S.W., Guchelaar, H.J., Boven, E. |
| المصدر: |
Cancer Treatment Reviews; Dec2015, Vol. 41 Issue 10, p935-950, 16p |
| مستخلص: |
Background: Taxanes, including paclitaxel and docetaxel, are indispensable for treatment of cancer. Development of toxicity frequently necessitates dose reduction or discontinuation of therapy, despite clinical response.Objective: Pharmacogenetic studies were reviewed for identification of genetic variants possibly underlying individual susceptibility to adverse events.Method: We conducted a systematic search in Pubmed and Embase for pharmacogenetic reports with focus on commonly reported taxane-related gastrointestinal, hematological and neurological toxicities in adult patients with solid tumors. The findings from a total of 51 eligible studies are presented in a comprehensive way.Results: Most frequently investigated single nucleotide polymorphisms (SNPs) were located in genes encoding proteins affecting pharmacokinetics, such as drug transporters and genes of the cytochrome P450 family. Inconclusive data for risk of toxicity as well as for effects on drug exposure were reported on variants in ABCB1, CYP3A4, CYP3A5 and, for paclitaxel, CYP2C8. Interest is also dedicated towards genes involved in pharmacodynamics, such as detoxification of reactive oxygen species, DNA repair, neuronal processes and microtubule function. Recent studies include variants in TUBB2A, EPHA5 and EPHA6 for a possible association with neurotoxicity. Variations in methodological approach, sample size, study design, treatment schedule and end-point of toxicity affect consistency of results.Conclusion: This review illustrates the complexity to well design pharmacogenetic studies for validation of SNPs that may clarify differences in taxane-induced toxicities among individuals. Novel genes encoding cellular targets of taxanes deserve further analysis by means of robust patient cohorts and definition of objective end-points. [ABSTRACT FROM AUTHOR] |
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