Intensive insulin titration with insulin glargine in insulin-naive type 2 diabetic patients in Turkey: LANTIT study Türkiye’de insülin-naiv tip 2 diyabet hastalarında insülin glarjin ile İntensif insülin titrasyonu: LANTIT çalışması

Tuncel E., Kanat M., Algün E., Gül Ö. Ö., Emral R.

Turkish Journal of Endocrinology and Metabolism, vol.19, no.3, pp.83-88, 2015 (Scopus) identifier identifier

  • Publication Type: Article / Article
  • Volume: 19 Issue: 3
  • Publication Date: 2015
  • Doi Number: 10.4274/tjem.2657
  • Journal Name: Turkish Journal of Endocrinology and Metabolism
  • Journal Indexes: Scopus
  • Page Numbers: pp.83-88
  • Keywords: Type 2 diabetes mellitus, basal insulin, insulin glargine, titration
  • Istanbul Medipol University Affiliated: Yes


Purpose: This open-label, single-arm, phase 4 study was designed to evaluate the efficacy of intensive insulin glargine titration in type 2 diabetes mellitus (T2DM) patients for 6 months to reach good glycaemic control. Material and Method: Two hundred-forty one insulin-naive T2DM patients were included. The primary efficacy variable was the glycaemic control (HbA1c level of ≤7%). The secondary variables were a fasting blood glucose (FBG) level of <100 mg/dL, the final dose of basal insulin, number of dose adjustments, time to dose titration in reaching target HbA1c level of ≤7%, weight gain and treatment satisfaction using the Diabetes Treatment Satisfaction Questionnaire (DTSQ). Hypoglycemia, severe hypoglycemia and adverse events were also assessed. Results: The mean (±SD) HbA1c level of 8.8±0.6% at baseline decreased to 7.4±0.9% on day-90 (p<0.001) and to 7.3±0.9% on day-180 (p<0.001). The percentage of patients with HbA1c≤%7 was 36.9% on day-90 and 40% on day-180. The mean FBG of 186.3±52.5 mg/dL at baseline decreased to 111.5±36.6 mg/dL on day-90 (p<0.001) and to 114.1± 34.8 mg/dL on day-180 (p<0.001). The mean insulin glargine dose on the last day of FBG measurement (day-89) was 32.7±15.5 IU and the mean number of titrations was 12.7±6.6. These values on day-179 were 36.8±19.4 IU and 5.8±5.7, respectively. The total DTSQ score (20.3±7.7) and scores for each item at baseline showed improvement on day-180 (p<0.001). The most frequently reported adverse reactions were hypoglycaemia (49.7%) and weight gain (9.5%). Serious hypoglycaemia cases reported during the first and the second 3-month periods were 11.2% and 13.3%, respectively. Discussion: In conclusion, the use of insulin glargine with intensive dose titration is effective and safe in T2DM patients.