Journal
CANCER EPIDEMIOLOGY BIOMARKERS & PREVENTION
Volume 20, Issue 10, Pages 2273-2279Publisher
AMER ASSOC CANCER RESEARCH
DOI: 10.1158/1055-9965.EPI-11-0249
Keywords
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Funding
- NCI [CA126857]
- Gilbert and Kathryn Mitchell Endowment
- Ohio State University Comprehensive Cancer Center (NCI) [CA16058]
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Background: To study whether use of beta-blockers increases survival in patients with malignant melanoma because experimental data suggest that catecholamine hormones may be involved in stimulating the aggressiveness of malignant melanoma. Methods: A total of 4,179 patients diagnosed with malignant melanoma in Denmark with a median follow-up of 4.9 years and identified in the Danish Cancer Registry participated. Data on beta-blocker use, comorbidity, and survival were obtained from medical and administrative databases. Cox proportional hazards models were used to estimate HRs for all-cause mortality with 95% CIs with adjustment for prognostic factors. Results: A total of 372 (8.9%) patients with malignant melanoma were treated with beta-blockers within 90 days of melanoma diagnosis. The median beta-blocker duration for exposure within 90 days of melanoma diagnosis, more than 90 days, and no prior exposure was 7.6, 1.4, and 0 years, respectively. The patients receiving beta-blockers were older, had more comorbidities, and more cardiovascular and psychotropic drug user than the patients receiving no beta-blockers prior to melanoma diagnosis. After adjustment for age and comorbidity index, the HR for melanoma death was 0.87 (95% CI: 0.64-1.20) and for all-cause mortality was 0.81 (95% CI: 0.67-0.97). Conclusion: Increased survival time of patients with melanoma receiving beta-blockers suggests that this class of drugs may hold promise in treatment strategy for these patients. Impact: The observations described here suggest that catecholamines may retard melanoma progression and that beta-blockers may have unrecognized potential as a therapeutic intervention for melanoma. Cancer Epidemiol Biomarkers Prev; 20(10); 2273-9. (C) 2011 AACR.
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