• Seung Tae Kim, Kyong Hwa Park, Sang Cheul Oh, Jae Hong Seo, Jun Suk Kim, Sang Won Shin, and Yeul Hong Kim.
• Division of Hematology-Oncology, Korea University College of Medicine, Seoul, South Korea.
• Oncology. 2012 Jan 1; 83 (6): 354-60.

BackgroundThe renin-angiotensin system (RAS) is related to the regulation of cell proliferation, angiogenesis, and tumor progression.Patients And MethodsWe retrospectively analyzed the effect of angiotensin I-converting enzyme inhibitors (ACEIs) and angiotensin II type-1 receptor blockers (ARBs) in 63 patients with advanced gastric cancer (AGC) with platinum-based chemotherapy. All patients analyzed had received medications for hypertension at the diagnosis of AGC. Patients were divided into two groups: an ACEI/ARB group (n = 30) and a non-ACEI/ARB group (n = 33).ResultsPatient characteristics were not different between patients with and without ACEI/ARB. The response rate for all patients was 25.4% and the disease control rate was 77.8%. The median progression-free survival (PFS) for first-line chemotherapy was 5.5 months (95% CI 3.71-7.29) in the ACEI/ARB group and 4.3 months (95% CI 2.39-6.21) in the non-ACEI/ARB group (p = 0.506). There was a significant difference in overall survival (OS) in the ACEI/ARB group compared to the non-ACEI/ARB group (median OS: 8.2 vs. 13.9, p = 0.0095). In multivariate analysis, the use of ACEI/ARB was a significant independent prognostic factor for OS (p = 0.039) but not for PFS.ConclusionACEI/ARB in combination with standard chemotherapy might improve survival in patients with AGC and hypertension. These results support further investigation into the anticancer effects of ACEL/ARB.Copyright © 2012 S. Karger AG, Basel.

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