Article ID Journal Published Year Pages File Type
5871207 Primary Care Diabetes 2016 6 Pages PDF
Abstract

•A total of 4837 patients who started basal insulin therapy were retrospectively analyzed.•Less than 10% of type 2 diabetes patients switched back to oral antidiabetic drugs.•Hypoglycemia were associated with early discontinuation of basal insulin.•Diabetologist care is related to an increased chance of continuous insulin treatment.

AimsTo identify patient-related characteristics and other impact factors predicting early discontinuation of basal insulin therapy in type 2 diabetes in primary care.MethodsA total of 4837 patients who started basal insulin therapy (glargine: n = 3175; NPH: n = 1662) in 1072 general and internal medicine practices throughout Germany were retrospectively analyzed (Disease Analyser Database: 01/2008-03/2014). Early discontinuation was defined as switching back to oral antidiabetic drugs (OAD) therapy within 90 days after first basal insulin prescription (index date, ID). Patient records were assessed 365 days prior and post ID. Logistic regression models were used to adjust for age, sex, diabetes duration, diabetologist care, disease management program participation, HbA1c, and comorbidity.ResultsWithin 3 months after ID, 202 (6.8%) of glargine patients switched back to OAD (NPH: 130 (8.5%); p < 0.05). In multivariable logistic regression, predictors of early basal insulin discontinuation were ≥1 documented hypoglycemia before ID (adjusted Odds ratio; 95% CI: 2.20; 1.27-3.82), diagnosed depression (1.31; 1.01-1.70) and referrals to specialists within 90 days after ID (2.06; 1.61-2.63). Diabetologist care (0.57; 0.36-0.89) and glargine treatment (vs. NPH: 0.78; 0.61-0.98) were related to a lower odds of having early insulin discontinuation.ConclusionsLess than 10% of type 2 diabetes patients switched back to oral antidiabetic drugs within 90 days after start of basal insulin therapy. In particular, patients with baseline depression and frequent or severe hypoglycemia have a higher likelihood for early discontinuation of basal insulin, whereas use of insulin glargine and diabetologist care are related to an increased chance of continuous insulin treatment.

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