BackgroundThe aim of the study was to identify the intrinsic patient characteristics and extrinsic environmental factors predicting prescription and use and, more specifically, early initiation (up to 5 years of disease duration) of insulin for type 2 diabetes in France. A secondary objective was to evaluate the impact of insulin therapy on mental and physical quality of life and patient adherence.MethodsThe data used in this study were derived from the 2008, 2010, and 2011 France National Health and Wellness Survey. This survey is an annual, cross-sectional, self-administered, Internet-based questionnaire among a nationwide representative sample of adults (aged 18 years or older). Of the total of 45,958 persons recruited in France, 1,933 respondents (deduped) were identified as diagnosed with type 2 diabetes. All unique respondents from the three waves, currently using insulin or oral bitherapy or tritherapy at the time of assessment, were included in this analysis.ResultsEarly (versus late) initiation of insulin therapy was 9.9 times more likely to be prescribed by an endocrinologist or diabetologist than by a primary care physician (P < 0.0001). Younger age at diagnosis and current smoking habits were significant predictors of early (versus late) insulin initiation (odds ratio [OR] 1.031, 95% confidence interval [CI] 1.005–1.059, P = 0.0196, and OR 2.537, 95% CI 1.165–5.524, P = 0.0191, respectively). Patients with a yearly income ≥€50,000 were less likely to be put on insulin early (P = 0.0399). A link between insulin prescription and complications was shown only in univariate analysis. Mental quality of life was lower in patients on early (versus late) insulin, but only in patients with diabetes-related complications. Insulin users (versus oral bitherapy or tritherapy users) had 3.0 times greater odds of being adherent than uncontrolled oral bitherapy or tritherapy users (OR 2.983, 95% CI 1.37–6.495, P = 0.0059).ConclusionThis study confirms the role of specialists in early initiation of insulin, and the data presented herein reflect the fact that early initiation is more frequent in younger patients, patients with diabetes-related complications, and current smokers, and less frequent in patients with a higher income. Moreover, we observed that being treated with insulin was not associated with deterioration in quality of life, and insulin-treated patients were more often adherent than uncontrolled oral bitherapy or tritherapy users. These data suggest that doctors’ concerns about patient adherence and detrimental effects on quality of life should not be a barrier to their decision regarding early initiation of insulin therapy. Due to the nature of this cross-sectional survey (eg, inability to assess treatment flow), further research is needed to confirm its findings.

OBJECTIVES:To assess physician beliefs on the relative benefits of pens vs. vials, prescribing drivers, and characteristics of patients newly initiated on basal insulin analog via pens vs. vials among elderly type 2 diabetes patients. METHODS: An online survey of 352 U.S. primary care physicians was used to collect retrospective patient chart data on 500 elderly type 2 diabetes patients who initiated on basal insulin analog in 2009. For each physician, patient chart selection was randomized among eligible patients. Data on physician characteristics, physicians' opinion on the impact of different routes of administration (ROA), main drivers for selecting a particular ROA for each patient, and patient characteristics were collected. RESULTS: The majority of physician respondents were part of a group practice (77.8%) and treated a mean of 235.5 (SDϭ185.0) type 2 patients Ն 65 years old in 2009. Patient characteristics were similar in terms of age and diabetes duration. However, significantly more Caucasians (p ϭ 0.011) and patients covered by Medicare only (pϭ0.015) were initiated on pens, whereas significantly more women (pϭ0.003), Black/African Americans (pϭ0.011), and dual eligible patients (Medicare ϩ Medicaid; pϭ0.008) were initiated on vials. Patients initiated on vials had higher median baseline HbA1c values (8.7 vs. 8.4, pϽ0.001).Survey findings suggested that physicians prescribed vials primarily due to patients' economic constraints (62.9% of vial users vs. only 2.4% for pen users), although a majority of physicians considered pens better than vials (89.2% in terms of adherence, 65.1% in terms of HbA1c control, and 55.4% in terms of resource utilization). CONCLUSIONS: Results from this retrospective chart extraction survey suggest that patient characteristics differed between patients initiated on pens vs. vials, and that despite insulin pens being perceived as having better outcomes by physicians, economic considerations play a dominant role in the choice of insulin vials.

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