PMID: 25778296Mar 18, 2015Paper

The effect of renin-angiotensin-system inhibition on survival and recurrence of N3+ breast cancer patients

Journal of B.U.ON. : Official Journal of the Balkan Union of Oncology
Taner BabacanKadri Altundag

Abstract

The purpose of this study was to evaluate the association between the rennin-angiotensin system (RAS) inhibition and the risk of breast cancer (BC) recurrence and progression in N3 positive patients. The medical records of patients treated for N3 positive BC in Hacettepe Cancer Institute between 2005 and 2012 were evaluated. Angiotensin converting enzyme (ACE) inhibitors/angiotensin receptor blockers (ARB) users were defined as patients who took these medications for at least 6 months in no evidence of disease (NED) stage after the initial diagnosis. The primary and secondary outcome was disease-free survival (DFS) and overall survival (OS). Kaplan-Meier and Cox proportional hazard models were used. A total of 218 pathologic N3 BC patients were included. Follow up ranged from 12 to 212 months (median 49.58). Thirty one patients used ACE inhibitors/ARBs. Univariate analysis showed BC recurrence was lower and OS was higher among patients who used ACE inhibitors/ ARBs, however without reaching statistical significance (p=0.38 and p=0.24, respectively). RAS inhibition was associated with reduced risk of pathologic N3 BC recurrence. To the best of our knowledge this is the second study showing that the use of ACE inhibitors/ARBs may...Continue Reading

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