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  • Title: Comparing patient preferences and healthcare provider recommendations with the pen versus vial-and-syringe insulin delivery in patients with type 2 diabetes.
    Author: Ahmann A, Szeinbach SL, Gill J, Traylor L, Garg SK.
    Journal: Diabetes Technol Ther; 2014 Feb; 16(2):76-83. PubMed ID: 24266497.
    Abstract:
    OBJECTIVES: This study aimed to examine healthcare provider (HCP) recommendations and patient preferences for the insulin pen versus vial-and-syringe in patients with type 2 diabetes mellitus (T2DM) and to assess clinical end points and safety outcomes. SUBJECTS AND METHODS: Using a randomized, open-label, crossover design, in total, 405 insulin-naive adults with T2DM from 60 centers received basal insulin glargine in one of two device treatment sequences (2 weeks of pen followed by 2 weeks of vial-and-syringe, or vice versa). The primary end point, patient device preference, was evaluated at Week 4 (end of the crossover period) using the Insulin Injection Preference Questionnaire. Patient preference and HCP recommendation were assessed with one global item and three subscale items (blood glucose control, reluctance to use insulin, and long-term insulin use) using a 5-point scale ranging from 1=not preferred or not recommended to 5=preferred or recommended. Patients were then re-randomized to either pen or vial-and-syringe for further observation (6, 10, and 30 weeks) to evaluate clinical end points (glycosylated hemoglobin [A1C] and fasting blood glucose levels) and safety outcomes (hypoglycemia and adverse events). RESULTS: Patients reported a significant preference for pens over vial-and-syringe, and HCPs strongly recommended pens over vial-and-syringe (both P<0.001). Consistent response patterns were observed by HCPs and patients for the three subscale items. Fasting blood glucose, A1C levels, and the incidence of hypoglycemia were comparable in the two groups. CONCLUSIONS: Patients preferred pens over vial-and-syringe, with the pen device also recommended by HCPs, when initiating basal insulin treatment in insulin-naive patients with T2DM.
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