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Medline ® Abstract for Reference 32

of 'Infusion reactions to systemic chemotherapy'

32
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Deleterious BRCA1/2 mutation is an independent risk factor for carboplatin hypersensitivity reactions.
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Moon DH, Lee JM, Noonan AM, Annunziata CM, Minasian L, Houston N, Hays JL, Kohn EC
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Br J Cancer. 2013 Aug;109(4):1072-8. Epub 2013 Jul 18.
 
Background:We tested the hypothesis that BRCA1/2 mutation carriers with ovarian cancer are at higher risk of carboplatin hypersensitivity reactions (HSRs).Methods:Medical records of women enrolled in two carboplatin+olaparib clinical trials (NCT01237067/NCT01445418) were reviewed. A maximum of eight cycles containing carboplatin were administered.Results:All women (N=87) had good performance status and end-organ function. Incidences of carboplatin HSR before enrolment and on study were 17% and 21%, respectively. Most patients who developed carboplatin HSR had a deleterious BRCA1/2 mutation (93%) vs 50% in patients without HSR (P<0.0001). Multivariable analysis accounting for potential confounding variables including age, history of allergies, and cumulative prior carboplatin cycles confirmed deleterious BRCA1/2 mutation as an independent risk factor for carboplatin HSR (odds ratio 13.1 (95% confidence interval 2.6-65.4), P=0.0017). Mutation carriers had onset of carboplatin HSR at lower cumulative exposure (P=0.003). No significant difference in outcome was observed on our study between patients with and without a history of HSR.Conclusion:Deleterious BRCA1/2 mutation increased susceptibility and shortened time to carboplatin HSR, independently of other reported factors. These data suggest that at-risk women should be counselled regarding likelihood, symptoms, and potential earlier onset of carboplatin HSRs.
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1]Medical Oncology Branch, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD, USA [2]Medical Research Scholars Program, National Institutes of Health, Bethesda, MD, USA.
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