Abstract:
BACKGROUND:Trastuzumab has no major side-effects except the potential for cardiac toxicity. The main objective of this study was to evaluate the association between trastuzumab-associated cardiac toxicity and two potential risk factors: alcohol intake and HER2 polymorphisms. PATIENTS AND METHODS:In a retrospective cohort study of 237 women with non-metastatic HER2-positive breast cancer treated with trastuzumab, traditional risk factors were assessed by review of medical records, alcohol use by an administered questionnaire to women (n=132), and HER2 polymorphisms (Ile655Val and Ala1170Pro) using TaqMan assays (n=73). RESULTS:Association was observed between alcohol intake (10 drinks and more per week) during the trastuzumab treatment and cardiac toxicity (p=0.04). For polymorphisms, compared to Ile/Ile carriers, HER2 Ile/Val was associated with a higher risk of cardiac toxicity (p=0.02). CONCLUSION:Heavy alcohol use during the course of trastuzumab treatment and the HER2 Ile/Val genotype may constitute risk factors for cardiac toxicity.
journal_name
Anticancer Resjournal_title
Anticancer researchauthors
Lemieux J,Diorio C,Côté MA,Provencher L,Barabé F,Jacob S,St-Pierre C,Demers E,Tremblay-Lemay R,Nadeau-Larochelle C,Michaud A,Laflamme Csubject
Has Abstractpub_date
2013-06-01 00:00:00pages
2569-76issue
6eissn
0250-7005issn
1791-7530pii
33/6/2569journal_volume
33pub_type
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