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Table.  
Percentage of Men Given Androgen Replacement Therapy (ART) by Age Group and Yeara
Percentage of Men Given Androgen Replacement Therapy (ART) by Age Group and Year1
1.
Bhasin  S, Singh  AB, Mac  RP, Carter  B, Lee  MI, Cunningham  GR.  Managing the risks of prostate disease during testosterone replacement therapy in older men: recommendations for a standardized monitoring plan. J Androl. 2003;24(3):299-311.
PubMed
2.
US Food and Drug Administration. 2009 Postmarket review. http://www.fda.gov/advisorycommittees/. Accessed December 1, 2012.
3.
Basaria  S, Coviello  AD, Travison  TG,  et al.  Adverse events associated with testosterone administration. N Engl J Med. 2010;363(2):109-122.
PubMedArticle
4.
Calof  OM, Singh  AB, Lee  ML,  et al.  Adverse events associated with testosterone replacement in middle-aged and older men: a meta-analysis of randomized, placebo-controlled trials. J Gerontol A Biol Sci Med Sci. 2005;60(11):1451-1457.
PubMedArticle
5.
Haddad  RM, Kennedy  CC, Caples  SM,  et al.  Testosterone and cardiovascular risk in men: a systematic review and meta-analysis of randomized placebo-controlled trials. Mayo Clin Proc. 2007;82(1):29-39.
PubMed
6.
Srinivas-Shankar  U, Roberts  SA, Connolly  MJ,  et al.  Effects of testosterone on muscle strength, physical function, body composition, and quality of life in intermediate-frail and frail elderly men: a randomized, double-blind, placebo-controlled study. J Clin Endocrinol Metab. 2010;95(2):639-650.
PubMedArticle
7.
Wang  C, Cunningham  G, Dobs  A,  et al.  Long-term testosterone gel (AndroGel) treatment maintains beneficial effects on sexual function and mood, lean and fat mass, and bone mineral density in hypogonadal men. J Clin Endocrinol Metab. 2004;89(5):2085-2098.
PubMedArticle
Research Letter
August 12/26, 2013

Trends in Androgen Prescribing in the United States, 2001 to 2011

Author Affiliations
  • 1Department of Preventive Medicine and Community Health, University of Texas Medical Branch, Galveston
  • 2Sealy Center on Aging, University of Texas Medical Branch, Galveston
  • 3Department of Internal Medicine, University of Texas Medical Branch, Galveston
JAMA Intern Med. 2013;173(15):1465-1466. doi:10.1001/jamainternmed.2013.6895

Although commercial sales of androgen replacement therapy (ART) have increased substantially in recent years,1,2 to our knowledge, no national population-based studies of this treatment have been reported. In view of the conflicting evidence on the risks and benefits of ART,37 understanding androgen prescribing patterns in the United States is important from both a clinical and a public health perspective. We used data from Clinformatics DataMart (CDM), one of the nation's largest commercial health insurance populations, to examine androgen prescribing patterns in the United States over the past decade.

Methods

During the study period (2001-2011), a total of 10 739 815 men 40 years or older were included in the overall study population, with a minimum of 1 270 812 men in any year. We calculated prevalence of use as all men who received a prescription for ART in a year over all men covered in that year. Incident users were men who received a prescription and had not received a prescription in the 12 prior months. We examined total days of ART in the 12 months following the first prescription for androgens using an incidence cohort from 2010. Total days represented all filled prescriptions and the number of days covered by each prescription. For intramuscular formulations, each 100 mg (as indicated by the Healthcare Common Procedure Coding System code) was considered equal to 1 week of exposure. For incident users in 2001 to 2011, we searched for a laboratory test for free or total testosterone and for any diagnoses that might be related to hypogonadism in the prior 12 months, including hypogonadism, fatigue, erectile dysfunction, and psychosexual dysfunction. This study was exempted from full review by the University of Texas Medical Branch institutional review board.

Results

The Table shows that from 2001 through 2011, androgen use among men 40 years or older increased more than 3-fold, from 0.81% in 2001 to 2.91% in 2011. The increase was seen in all age groups. By 2011, 2.29% of men in their 40s and 3.75% of men in their 60s were taking some form of ART. Of the 4 formulations examined, topical gel demonstrated the highest rate of overall use and the highest rate of increase—more than 5-fold (eFigure 1 in the Supplement). Geographic analysis based on US Census Bureau region showed the highest prevalence of androgen use was in the South (3.77% in 2010 for all men ≥40 years), followed by the West (2.61%), the Midwest (1.78%), and the Northeast (1.60%). The median number of days covered by androgen prescriptions in the 12 months following initiation of treatment in 2010 was 150 (eFigure 2 in the Supplement). Approximately 18.63% of these incident users filled only 1 prescription and received a maximum of 30 days of coverage. Among all new androgen users (2001-2011), only 74.72% had had their testosterone level measured in the prior 12 months. Common diagnoses in the year prior to ART initiation were hypogonadism (50.58%), fatigue (34.49%), erectile dysfunction (31.88%), and psychosexual dysfunction (11.75%).

Discussion

Our findings must be interpreted in view of several limitations. First, our cohort (male enrollees ≥40 years in an employment-based commercial insurance plan) may not be representative of the general US population who are 40 years or older. In particular, the group of men 65 years or older may be very different from most older men who are retired and rely on Medicare as their primary source of health care. Second, prescription claims cannot confirm the extent to which patients adhered to their prescribed regimen. We estimated the maximum number of days covered by ART, but the actual duration could have been shorter. Third, while 74.72% of men had undergone testing of testosterone levels, we do not know what proportion of those men had low levels. Fourth, data on race/ethnicity and socioeconomic status were unavailable.

Our findings that almost 20% of all new users received treatment for 30 days or less and that most men did not have clear evidence of a potential indication for ART suggests that the clinical reasons for initiating therapy are complex. More research is needed to determine the extent to which men with normal testosterone levels and ambiguous symptoms seek and are prescribed ART, particularly given the concerns about cardiovascular and other toxic effects from such treatment.3,4 Studies that engage patient and provider stakeholders may offer particular insight into the reasons for initiating and discontinuing treatment.

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Article Information

Corresponding Author: Jacques Baillargeon, PhD, Department of Preventive Medicine and Community Health, University of Texas Medical Branch, 301 University Blvd, Galveston, TX 77555 (jbaillar@utmb.edu).

Published Online: June 3, 2013. doi:10.1001/jamainternmed.2013.6895

Author Contributions: Dr Baillargeon had full access to all of the data in the study and takes responsibility for the integrity of the data and the accuracy of the data analysis.

Study concept and design: Baillargeon, Urban, Ottenbacher, and Goodwin.

Acquisition of data: Baillargeon.

Analysis and interpretation of data: All authors.

Drafting of the manuscript: Baillargeon, Urban, and Goodwin.

Critical revision of the manuscript for important intellectual content: Baillargeon, Urban, Ottenbacher, Pierson, and Goodwin.

Statistical analysis: Baillargeon and Pierson.

Obtained funding: Goodwin.

Administrative, technical, and material support: Urban, Ottenbacher, and Goodwin.

Study supervision: Baillargeon, Urban, and Goodwin.

Conflict of Interest Disclosures: None reported.

Funding/Support: This study was supported by grants 5P30AG02482, 1UL1RR029876-01, K05-CA134923, UL1TR000071, and R24HD065702 from the National Institutes of Health.

Role of the Sponsors: The funding organizations had no role in the design or conduct of the study; in the collection, analysis, or interpretation of data; or in the preparation, review, or approval of the manuscript.

Correction: This article was corrected June 3, 2013, for errors in percentages in the Results and Discussion sections.

References
1.
Bhasin  S, Singh  AB, Mac  RP, Carter  B, Lee  MI, Cunningham  GR.  Managing the risks of prostate disease during testosterone replacement therapy in older men: recommendations for a standardized monitoring plan. J Androl. 2003;24(3):299-311.
PubMed
2.
US Food and Drug Administration. 2009 Postmarket review. http://www.fda.gov/advisorycommittees/. Accessed December 1, 2012.
3.
Basaria  S, Coviello  AD, Travison  TG,  et al.  Adverse events associated with testosterone administration. N Engl J Med. 2010;363(2):109-122.
PubMedArticle
4.
Calof  OM, Singh  AB, Lee  ML,  et al.  Adverse events associated with testosterone replacement in middle-aged and older men: a meta-analysis of randomized, placebo-controlled trials. J Gerontol A Biol Sci Med Sci. 2005;60(11):1451-1457.
PubMedArticle
5.
Haddad  RM, Kennedy  CC, Caples  SM,  et al.  Testosterone and cardiovascular risk in men: a systematic review and meta-analysis of randomized placebo-controlled trials. Mayo Clin Proc. 2007;82(1):29-39.
PubMed
6.
Srinivas-Shankar  U, Roberts  SA, Connolly  MJ,  et al.  Effects of testosterone on muscle strength, physical function, body composition, and quality of life in intermediate-frail and frail elderly men: a randomized, double-blind, placebo-controlled study. J Clin Endocrinol Metab. 2010;95(2):639-650.
PubMedArticle
7.
Wang  C, Cunningham  G, Dobs  A,  et al.  Long-term testosterone gel (AndroGel) treatment maintains beneficial effects on sexual function and mood, lean and fat mass, and bone mineral density in hypogonadal men. J Clin Endocrinol Metab. 2004;89(5):2085-2098.
PubMedArticle
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