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Original Research
National Rates of Initiation and Intensification of Antidiabetic Therapy Among Patients With Commercial Insurance
Lauren G. Gilstrap, Ateev Mehrotra, Barbara Bai, Sherri Rose, Rachel A. Blair, Michael E. Chernew
Diabetes Care 2018 May; dc172585. https://doi.org/10.2337/dc17-2585
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Abstract

OBJECTIVE Prompt initiation and intensification of antidiabetic therapy can delay or prevent complications from diabetes. We sought to understand the rates of and factors associated with the initiation and intensification of antidiabetic therapy among commercially insured patients in the U.S.

RESEARCH DESIGN AND METHODS Using 2008–2015 commercial claims linked with laboratory and pharmacy data, we created an initiation cohort with no prior antidiabetic drug use and an HbA1c ≥8% (64 mmol/mol) and an intensification cohort of patients with an HbA1c ≥8% (64 mmol/mol) who were on a stable dose of one noninsulin diabetic drug. Using multivariable logistic regression, we determined the rates of and factors associated with initiation and intensification. In addition, we determined the percent of variation in treatment patterns explained by measurable patient factors.

RESULTS In the initiation cohort (n = 9,799), 63% of patients received an antidiabetic drug within 6 months of the elevated HbA1c test. In the intensification cohort (n = 10,941), 82% had their existing antidiabetic therapy intensified within 6 months of the elevated HbA1c test. Higher HbA1c levels, lower generic drug copayments, and more frequent office visits were associated with higher rates of both initiation and intensification. Better patient adherence prior to the elevated HbA1c level, existing therapy with a second-generation antidiabetic drug, and lower doses of existing therapy were also associated with intensification. Patient factors explained 7.96% of the variation in initiation and 7.35% of the variation in intensification.

CONCLUSIONS Approximately two-thirds of patients were newly initiated on antidiabetic therapy, and four-fifths of those already receiving antidiabetic therapy had it intensified within 6 months of an elevated HbA1c in a commercially insured population. Patient factors explain 7 to 8% of the variation in diabetes treatment patterns.

Footnotes

  • This article contains Supplementary Data online at http://care.diabetesjournals.org/lookup/suppl/doi:10.2337/dc17-2585/-/DC1.

  • Received December 11, 2017.
  • Accepted April 23, 2018.
  • © 2018 by the American Diabetes Association.
http://www.diabetesjournals.org/content/license

Readers may use this article as long as the work is properly cited, the use is educational and not for profit, and the work is not altered. More information is available at http://www.diabetesjournals.org/content/license.

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National Rates of Initiation and Intensification of Antidiabetic Therapy Among Patients With Commercial Insurance
Lauren G. Gilstrap, Ateev Mehrotra, Barbara Bai, Sherri Rose, Rachel A. Blair, Michael E. Chernew
Diabetes Care May 2018, dc172585; DOI: 10.2337/dc17-2585

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National Rates of Initiation and Intensification of Antidiabetic Therapy Among Patients With Commercial Insurance
Lauren G. Gilstrap, Ateev Mehrotra, Barbara Bai, Sherri Rose, Rachel A. Blair, Michael E. Chernew
Diabetes Care May 2018, dc172585; DOI: 10.2337/dc17-2585
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© 2021 by the American Diabetes Association. Diabetes Care Print ISSN: 0149-5992, Online ISSN: 1935-5548.