2021
DOI: 10.1007/s13300-021-01098-8
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Differential Cost-Sharing Undermines Treatment Adherence to Combination Therapy: Evidence from Diabetes Treatment

Abstract: Introduction:The objective of this study was to measure the influence of differences in out-ofpocket (OOP) costs for type 2 diabetes (T2D) medications on within-patient adherence behavior towards combination drug therapy regimens. Methods: This was an observational, retrospective, paired sample study in patients with T2D using longitudinal pharmacy data from the 2009-2014 Medical Expenditure Panel Survey (MEPS) augmented with socio-demographic factors. We took a within-patient approach to minimize confounding … Show more

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Cited by 3 publications
(3 citation statements)
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References 31 publications
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“…As mentioned in the literature review, patientoriented medicines supply information provision is important for supporting treatment adherence, achievement of better outcomes, and improvements of the patient satisfaction with healthcare services [25,26], especially for patients with rare and chronic diseases that require lifetime medication [13,14] and those in lower socioeconomic groups [9][10][11][12].Those patients must be provided with comprehensive information about available social and financial support as such patients are particularly vulnerable to unaffordable medicines and various social and health risks.…”
Section: Discussionmentioning
confidence: 99%
See 1 more Smart Citation
“…As mentioned in the literature review, patientoriented medicines supply information provision is important for supporting treatment adherence, achievement of better outcomes, and improvements of the patient satisfaction with healthcare services [25,26], especially for patients with rare and chronic diseases that require lifetime medication [13,14] and those in lower socioeconomic groups [9][10][11][12].Those patients must be provided with comprehensive information about available social and financial support as such patients are particularly vulnerable to unaffordable medicines and various social and health risks.…”
Section: Discussionmentioning
confidence: 99%
“…The patients' awareness about public medicines supply and health literacy are also considered as key aspects in public health [7,8]. In particular, low health literacy and a lack of information about social and financial support for medicines dispensation are associated with low medication adherence resulting from its high cost, especially for the lower socioeconomic groups [9][10][11][12] and those with chronic diseases that are rare or require lifetime medication, for example patients with diabetes mellitus [13,14].The Order of the Ministry of Health of Russian Federation no. 66, dated 13 February 2013, states the public provision of the full and comprehensible information as one of the main priorities of the strategy for medicines supply until 2025 [15].…”
Section: Introductionmentioning
confidence: 99%
“…Patients reporting insufficient financial means are also more significantly likely to not take medication as prescribed (e.g., skip doses, delay refills) [51]. Higher OOP costs have been tied to decreased adherence-one study demonstrated decreased antidiabetic medication adherence after monthly costs exceeded $33 [56].…”
Section: Insurance Coverage and Affordabilitymentioning
confidence: 99%