Endocr Pract. 2016 Jun;22(6):726-35. doi: 10.4158/EP151182.OR. Epub 2016 Feb 01.
CLINICAL AND COST-EFFECTIVENESS OF INSULIN DELIVERY WITH V-GO(®) DISPOSABLE INSULIN DELIVERY DEVICE VERSUS MULTIPLE DAILY INJECTIONS IN PATIENTS WITH TYPE 2 DIABETES INADEQUATELY CONTROLLED ON BASAL INSULIN.
Endocrine practice : official journal of the American College of Endocrinology and the American Association of Clinical Endocrinologists
Rosemarie Lajara, Jaime A Davidson, Carla C Nikkel, Tracy L Morris
PMID: 26866702
DOI: 10.4158/EP151182.OR
Abstract
OBJECTIVE: To compare two methods of delivering intensified insulin therapy (IIT) in patients with type 2 diabetes inadequately controlled on basal insulin ± concomitant antihyperglycemic agents in a real-world clinical setting.
METHODS: Data for this retrospective study were obtained using electronic medical records from a large multicenter diabetes system. Records were queried to identify patients transitioned to V-Go(®) disposable insulin delivery device (V-Go) or multiple daily injections (MDI) using an insulin pen to add prandial insulin when A1C was >7% on basal insulin therapy. The primary endpoint was the difference in A1C change using follow-up A1C results.
RESULTS: A total of 116 patients were evaluated (56 V-Go, 60 MDI). Both groups experienced significant glycemic improvement from similar mean baselines. By 27 weeks, A1C least squares mean change from baseline was -1.98% (-21.6 mmol/mol) with V-Go and -1.34% (-14.6 mmol/mol) with MDI, for a treatment difference of -0.64% (-7.0 mmol/mol; P = .020). Patients using V-Go administered less mean ± SD insulin compared to patients using MDI, 56 ± 17 units/day versus 78 ± 40 units/day (P<.001), respectively. Diabetes-related direct pharmacy costs were lower with V-Go, and the cost inferential from baseline per 1% reduction in A1C was significantly less with V-Go ($118.84 ± $158.55 per patient/month compared to $217.16 ± $251.66 per patient/month with MDI; P = .013).
CONCLUSION: Progression to IIT resulted in significant glycemic improvement. Insulin delivery with V-Go was associated with a greater reduction in A1C, required less insulin, and proved more cost-effective than administering IIT with MDI.
ABBREVIATIONS: A1C = glycated hemoglobin ANCOVA = analysis of covariance CI = confidence interval CSII = continuous subcutaneous insulin infusion FPG = fasting plasma glucose IIT = intensified insulin therapy LSM = least squares mean MDI = multiple daily injections T2DM = type 2 diabetes mellitus TDD = total daily dose.
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