• Am J Manag Care · Apr 2018

    Eligibility varies among the 4 sodium-glucose cotransporter-2 inhibitor cardiovascular outcomes trials: implications for the general type 2 diabetes US population.

    • Eric T Wittbrodt, James M Eudicone, Kelly F Bell, Devin M Enhoffer, Keith Latham, and Jennifer B Green.
    • AstraZeneca, Wilmington, DE. Email: eric.wittbrodt@astrazeneca.com.
    • Am J Manag Care. 2018 Apr 1; 24 (8 Suppl): S138-S145.

    ObjectivesGuidance to industry from the FDA requires studies to evaluate the cardiovascular safety of novel type 2 diabetes (T2D) medications. Although the objectives of such cardiovascular outcomes trials (CVOTs) are similar, differences in features such as enrollment criteria present a challenge when trying to assess the applicability of these studies to real-world T2D populations. This study evaluated the proportions of US adults with T2D who met the eligibility criteria for each of the 4 sodium-glucose cotransporter-2 (SGLT2) inhibitor CVOTs.Study DesignA cross-sectional retrospective study was conducted using data from the National Health and Nutrition Examination Survey (NHANES) and published patient eligibility criteria for completed or ongoing SGLT2 inhibitor CVOTs.MethodsData on T2D diagnosis and other relevant clinical and demographic characteristics were extracted from the NHANES (2009-2010 and 2011-2012). Weighted analysis of these data was used to estimate the percentage of US adults with T2D who met the eligibility criteria for the CANVAS program (CANagliflozin cardioVascular Assessment Study) (canagliflozin; NCT01032629, NCT01989754), and the DECLARE-TIMI 58 (dapagliflozin; NCT01730534), EMPA-REG OUTCOME (empagliflozin; NCT01131676), and VERTIS-CV (ertugliflozin; NCT01986881) trials.ResultsThe weighted analysis identified a population of 23,941,512 US adults from data on key inclusion criteria and information indicating a diagnosis of T2D. Of these, 4.1% met the criteria for EMPA-REG OUTCOME, 4.8% for VERTIS-CV, 8.8% for the CANVAS program, and 39.8% for the DECLARE-TIMI 58 trial.ConclusionsThere were considerable differences in the proportions of US adults with T2D who met the eligibility criteria for these studies.The DECLARE-TIMI 58 trial criteria were the most generalizable to the US T2D population.

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