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pubmed:abstractText |
This data were previously presented in February 2007 at the American Society of Clinical Oncology's Prostate Cancer Symposium in Orlando, FL, USA. COX-2 inhibition has shown promise in treating prostate cancer, but concerns exist regarding the risk profile associated with this class of drugs. This study analyzes the cardiovascular and cerebral vascular morbidity associated with high doses of the COX-2 inhibitor, celecoxib, in patients with metastatic hormone-refractory prostate cancer (mHRPC). We retrospectively reviewed 67 patients with mHRPC who were treated at our institution between 1999 and 2005. All charts were reviewed for cardiac risk factors and the clinical course whilst on therapy and post-treatment was analyzed. This study included 34 patients who were on protocols that involved celecoxib 400 mg b.i.d.. Treatment ranged from 21 to 355 days, with a median of 118.5 days. There were three myocardial infarctions (MIs)--two in the study group and one in the control group. One patient had a MI while on treatment, but he had a significant cardiac disease history. There were also two cerebral vascular accidents (CVAs) in each group, although none in any patient who was on-study. Although this is a small study, these findings, in the context of other published data, suggest that some patients with advanced malignancies may still benefit from therapies involving COX-2 inhibitors without clinically significant increase in risk for MI or CVA.
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