Association of physician specialty and medical therapy for benign prostatic hyperplasia.

Abstract:

BACKGROUND:Despite little available evidence to determine whether recently introduced selective α-1 blockers and 5-α reductase inhibitors (5-ARIs) are superior to the existing agents in treating benign prostatic hyperplasia (BPH), they are being increasingly prescribed. OBJECTIVE:To describe the prescribing patterns of new and existing agents among patients with incident BPH after the introduction of several new agents and determine whether these varied by physician specialty. RESEARCH DESIGN:We analyzed a retrospective cohort from an administrative claims database from January 2004 through December 2010. SUBJECTS:Patients diagnosed with incident BPH aged 40 years and above and those who received medical management. MEASURES:Receipt of medical therapy for incident BPH (ie, selective α-1 blockers [prazosin (released 1976), terazosin (1987), doxazosin (1990), tamsulosin (1997), alfuzosin (2003), silodosin (2009)] and 5-ARIs [finasteride (1992) and dutasteride (2002)]). RESULTS:A total of 42,769 men with incident BPH received any selective α-1 blocker or 5-ARI. Tamsulosin and dutasteride were the most widely prescribed agents of their respective drug classes. Predicted probabilities showed that urologists were more likely to prescribe alfuzosin (24.0% vs. 7.8%; P<0.001) and silodosin (2.3% vs. 0.4%; P<0.001) when compared with primary care providers (PCPs) at 6 months after diagnosis. Urologists were more likely to prescribe 5-ARIs but less likely to prescribe older α-1 blockers (terazosin, prazosin, and doxazosin) than PCPs at 6 months postdiagnosis. CONCLUSIONS:Among insured patients diagnosed with BPH, our study suggests that the overall use of new agents is rising. In particular, urologists were more likely to prescribe newer selective α-1 blockers compared with PCPs.

journal_name

Med Care

journal_title

Medical care

authors

Han LC,Kim SP,Gross CP,Ross JS,Van Houten HK,Smaldone MC,Krambeck AE,Shah ND

doi

10.1097/MLR.0000000000000078

subject

Has Abstract

pub_date

2014-02-01 00:00:00

pages

128-36

issue

2

eissn

0025-7079

issn

1537-1948

pii

00005650-201402000-00007

journal_volume

52

pub_type

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