• J Natl Med Assoc · Jun 2019

    Race and Time to Receipt of Androgen Deprivation Therapy Among Men With Metastatic Prostate Cancer.

    • Ewan K Cobran, Henry N Young, Ronald C Chen, Xianyan Chen, Jaxk Reeves, Paul A Godley, and Surbhi Shah.
    • University of Georgia, College of Pharmacy, Department of Clinical and Administrative Pharmacy, Division of Pharmaceutical Health Services, Outcomes, and Policy, Robert C. Wilson Pharmacy 250 West Green Street, 270B, Athens, GA 30602, USA. Electronic address: ecobran@uga.edu.
    • J Natl Med Assoc. 2019 Jun 1; 111 (3): 246-255.

    BackgroundThe Medicare Modernization Act (MMA) drastically reduced reimbursement for androgen deprivation therapy (ADT) in 2005. One unintended consequence of the MMA may be an increase in the racial disparities in receipt of ADT. Given these policy changes, it becomes increasingly important to assess racial disparities in timely receipt of ADT.MethodsThe purpose of this study is to evaluate the associations between race and median time to receipt of ADT among men with metastatic prostate cancer before and after the passage of the MMA. A population-based retrospective cohort was created from the Surveillance, Epidemiology, and End Results-Medicare.ResultsA total of 1,846 African-American and 9,462 Caucasian men diagnosed with metastatic prostate cancer from 2000 through 2011 were included. An accelerated failure time regression model was used to examine factors associated with racial differences in median time to receipt of ADT. Results indicate that African-American men had a longer median time to receipt of ADT both before the MMA (Time Ratio (TR): 1.15; 95% Confidence Interval (CI) [1.05, 1.27]) and after the MMA (TR: 1.29; 95% CI [1.10, 1.53]) as compared to Caucasian men. In addition to race, men residing in South had longer median time to receipt of ADT (TR: 1.26, 1.52; 95% CI [1.01, 1.52; 1.24, 1.87] before and after MMA, respectively) compared to the Northeast region.ConclusionConsidering the palliative benefits of ADT, it is important to develop effective strategies to address racial differences in receipt of treatment for metastatic prostate cancer.Copyright © 2018 National Medical Association. Published by Elsevier Inc. All rights reserved.

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