Abstract:
OBJECTIVE:A meta-analysis was carried out of published studies on the effect of the CYP3A5 6986A>G polymorphism in liver donors and transplant recipients on tacrolimus pharmacokinetics. METHODS:Cohort studies that evaluated the relationship between the CYP3A5 polymorphism in liver donors and transplant recipients and tacrolimus, trough blood concentration normalized for the daily dose (C) per kilogram body weight (D) (C/D, ng/ml/mg/kg/day) up to 1 year after transplantation, were included. Data were not restricted by patient age or the language or journal of publication. A literature search was conducted using the Cochrane Library, MEDLINE, EMBASE, and grey literature, and articles published up to 24 April 2013 were selected. Data were pooled (random-effects model), and the results were expressed as the mean difference of the corresponding C/D ratios and 95% confidence intervals. RESULTS:Six studies involving donor genotypes (254 patients) and four involving recipient genotypes (180 patients) were ultimately included. The meta-analysis showed the C/D ratio to be significantly higher in recipients with nonexpresser donor variants at all time points. In recipients, the variant did not influence the C/D ratio. CONCLUSION:The presence of the CYP3A5 6986A>G polymorphism in the donor affects tacrolimus pharmacokinetics in the recipient, although only the evidence available for the first month after transplantation was of adequate quality for demonstrating a significant difference. The evidence provided here shows no effect of the recipient genotype; however, the quality of the evidence was low, thereby precluding the drawing of firm conclusions.
journal_name
Pharmacogenet Genomicsjournal_title
Pharmacogenetics and genomicsauthors
Rojas LE,Herrero MJ,Bosó V,García-Eliz M,Poveda JL,Librero J,Aliño SFdoi
10.1097/FPC.0b013e3283642fb3subject
Has Abstractpub_date
2013-10-01 00:00:00pages
509-17issue
10eissn
1744-6872issn
1744-6880journal_volume
23pub_type
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