Abstract
AIM: To investigate whether the phenprocoumon and acenocoumarol maintenance doses are influenced by genetic variations in GATA-4, a transcription factor of CYP2C9.
PATIENTS & METHODS: The influence of seven GATA-4 SNPs on the coumarin maintenance dose was investigated by performing an analysis of variance trend analysis, stratified for CYP2C9 genotypes. Results of the best-explaining SNP were validated in the Rotterdam Study cohort.
RESULTS: The largest dose differences were found for rs3735814 in patients using acenocoumarol and having the common allele for CYP2C9. The mean dosages decreased from 2.92 mg/day for the patients having the GATA-4 common alleles to 2.65 mg/day for the patients carrying one GATA-4 variant allele and to 2.37 mg/day for patients carrying two GATA-4 variant alleles (p = 0.004). Results could not be replicated in the validation cohort. For phenprocoumon, no significant effects were observed.
CONCLUSION: Genetic variation in GATA-4 does not seem relevant for clinical implementation.
Original language | English |
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Pages (from-to) | 1917-1923 |
Number of pages | 7 |
Journal | Pharmacogenomics |
Volume | 13 |
Issue number | 16 |
DOIs | |
Publication status | Published - Dec 2012 |
Keywords
- Acenocoumarol
- Adult
- Aged
- Aged, 80 and over
- Alleles
- Anticoagulants
- Aryl Hydrocarbon Hydroxylases
- Cytochrome P-450 CYP2C9
- Female
- GATA4 Transcription Factor
- Genotype
- Humans
- Male
- Middle Aged
- Pharmacogenetics
- Phenprocoumon
- Polymorphism, Single Nucleotide
- Thrombosis