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Ann Pharm Fr. 2007 Nov;65(6):390-401.

[Pharmacogenetics of anti-cancer drugs].

[Article in French]

Author information

1
Laboratoire d'Oncopharmacologie et Pharmacogénétique, Inserm U564, Centre Régional de Lutte Contre le Cancer Paul Papin, 2, rue Moll, F 49933, Angers Cedex 9, France. e.gamelin@unimedia.fr

Abstract

Toxic side-effects of cytotoxic drugs is a stumbling-block of chemotherapy due to the fact that their therapeutic index is narrow. New approaches are necessary to individualize the treatments. Pharmacogenetic analysis is facilitated by easy access to the patient genome via simple blood samples, by the large number of known genes of interest coding for drugs targets or metabolism enzymes and by the fact that their polymorphism (SNP) is often known. Presently more focused on the prevention of toxic side-effects, pharmacogenetics already provides a good deal of confirmed data for clinical applications, such as the detection of dihydropyrimidine dehydrogenase deficiency by sequencing, or UGT1A1 7/7 genotype detection in Gilbert's syndrome for the prevention of 5-FU and irinotecan-induced severe toxicities. It must be emphasized that a SNP which is deleterious for enzyme activity is rarely a contraindication for the drug, provided that some precautions are taken and appropriate therapeutic advice is given by experts.

PMID:
18079671
[Indexed for MEDLINE]

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