Fixed versus flexible combination of GLP‐1 receptor agonists with basal insulin in type 2 diabetes: A retrospective multicentre comparative effectiveness study

Aug 1, 2019Diabetes, obesity & metabolism

Comparing fixed and flexible combinations of GLP-1 drugs with basal insulin in type 2 diabetes

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Abstract

A total of 609 patients were included in the study, showing HbA1c reductions of 0.6% for the flexible group and 0.8% for the fixed group after 5.7 months.

  • Both fixed and flexible combinations of basal insulin and GLP-1 receptor agonists resulted in similar reductions in HbA1c levels.
  • Body weight decreased by 2.8 kg in the flexible group compared to a 1.2 kg reduction in the fixed group.
  • After adjusting for confounding factors, the flexible combination showed a significantly greater reduction in body weight.
  • Higher final doses of basal insulin were used in the fixed group, while the flexible group had higher doses of GLP-1 receptor agonists.
  • Sensitivity analyses generally supported the main findings, except multivariable adjustments indicated a greater HbA1c reduction in the fixed group.

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Key numbers

2.5 kg
Body Weight Reduction
Body weight decreased by 2.5 kg in the flexible group vs. 1.2 kg in the fixed group.
0.8%
HbA1c Change
HbA1c declined by 0.8% in the fixed group vs. 0.6% in the flexible group.
878.8 €
Treatment Cost
Average treatment cost was 878.8 €/patient for fixed vs. 1096.0 €/patient for flexible.

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