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A National Survey of Physicians’ Views on the Importance and Implementation of Deintensifying Diabetes Medications

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Abstract

Background

Guidelines recommend deintensifying hypoglycemia-causing medications for older adults with diabetes whose hemoglobin A1c is below their individualized target, but this rarely occurs in practice.

Objective

To understand physicians’ decision-making around deintensifying diabetes treatment.

Design

National physician survey.

Participants

US physicians in general medicine, geriatrics, or endocrinology providing outpatient diabetes care.

Main Measures

Physicians rated the importance of deintensifying diabetes medications for older adults with type 2 diabetes, and of switching medication classes, on 5-point Likert scales. They reported the frequency of these actions for their patients, and listed important barriers and facilitators. We evaluated the independent association between physicians’ professional and practice characteristics and the importance of deintensifying and switching diabetes medications using multivariable ordered logistic regression models.

Key Results

There were 445 eligible respondents (response rate 37.5%). The majority of physicians viewed deintensifying (80%) and switching (92%) diabetes medications as important or very important to the care of older adults. Despite this, one-third of physicians reported deintensifying diabetes medications rarely or never. While most physicians recognized multiple reasons to deintensify, two-thirds of physicians reported barriers of short-term hyperglycemia and patient reluctance to change medications or allow higher glucose levels. In multivariable models, geriatricians rated deintensification as more important compared to other specialties (p=0.027), and endocrinologists rated switching as more important compared to other specialties (p<0.006). Physicians with fewer years in practice rated higher importance of deintensification (p<0.001) and switching (p=0.003).

Conclusions

While most US physicians viewed deintensifying and switching diabetes medications as important for the care of older adults, they deintensified infrequently. Physicians had ambivalence about the relative benefits and harms of deintensification and viewed it as a potential source of conflict with their patients. These factors likely contribute to clinical inertia, and studies focused on improving shared decision-making around deintensifying diabetes medications are needed.

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Data Availability

The datasets used in the current study will be available from the corresponding author on reasonable request, after the primary manuscripts are published.

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Funding

This study was funded by a grant from the U.S. Deprescribing Research Network, funded by the National Institute on Aging (1R24AG064025). Dr. Pilla was supported by the Johns Hopkins KL2 Clinical Research Scholars Program (KL2TR003099) and the National Institute of Diabetes and Digestive and Kidney Diseases (K23DK128572). Dr. Schoenborn was supported by the National Institute on Aging (K76AG059984). Dr. Boyd was also supported by the U.S. Deprescribing Research Network (R24AG064025) and by K24AG056578, both from the National Institute on Aging. Dr. Mathioudakis was supported by the NIDDK (R01DK125780).

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Authors

Contributions

S.J.P contributed to the study design, data acquisition, analysis, and discussion, and wrote the manuscript. R.J. contributed to data acquisition and background research, and reviewed and edited the manuscript. N.L.S., C.M.B., N.N.M., and N.M.M. contributed to study design, analysis, and discussion, and reviewed and edited the manuscript. O.T. and M.P.B. contributed to analysis and discussion, and reviewed and edited the manuscript. All the authors approved the final version of the manuscript. S.J.P. is the guarantor of this work and, as such, had full access to all the data in the study and takes responsibility for the integrity of the data and the accuracy of the data analysis.

Corresponding author

Correspondence to Scott J. Pilla MD, MHS.

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Conflict of Interest

Dr. Pilla received honoraria from the American Diabetes Association (ADA) for speaking at the ADA 2022 Scientific Sessions, the ADA 2023 Clinical Update Conference; for authoring the ADA Making Technology Work module on hypoglycemia; and for reviewing the ADA Diabetes Is Primary CE Certificate program. Dr. Boyd received honoraria for writing a chapter on Multiple Chronic Conditions for UpToDate, and a chapter on Falls in Older Adults for DynaMed.

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Pilla, S., Jalalzai, R., Tang, O. et al. A National Survey of Physicians’ Views on the Importance and Implementation of Deintensifying Diabetes Medications. J GEN INTERN MED 39, 992–1001 (2024). https://doi.org/10.1007/s11606-023-08506-8

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