Glucagon-like peptide-1 treatment reduces the risk of diabetes-type 2 related amputations: A cohort study in Denmark

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  • Zeinab Schäfer
  • Andreas Mathisen
  • Trine Rolighed Thomsen
  • Rossing, Peter
  • Klaus Kirketerp-Møller

Aims: To assess the impact of Glucagon-like peptide-1 (GLP-1) agonists on the risk of lower extremity amputations in patients with type 2 diabetes mellitus (DM2). Methods: We conducted a cohort study on 309,116 patients with DM2 using Danish National Register and Diabetes Database. We tracked the GLP-1 agonists over time along with the medication dose. Time-varying models are used to assess the risk of amputation for patients with/without GLP-1 treatment. Results: Patients on GLP-1 treatment experience a notable reduction in the risk of amputation compared to those without the treatment with a hazard ratio (HR) of 0.5, 95% CI [0.54–0.74], indicating a statistically significant difference (p <.005). This risk reduction was consistent across different age groups, but notably most pronounced among middle income patients. The findings were further validated by using time-varying Cox models, which considered the patient's comorbidity history. Conclusions: Our analysis reveals compelling evidence of a reduced risk of amputation among patients receiving GLP-1 therapy, an effect dominated by liraglutide, compared to those without the treatment, even after adjusting for various socio-economic factors. However, further investigation is required to identify and account for any other potential confounding variables that may impact the outcome.

Original languageEnglish
Article number110799
JournalDiabetes Research and Clinical Practice
Volume202
Number of pages7
ISSN0168-8227
DOIs
Publication statusPublished - 2023

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© 2023 The Authors

    Research areas

  • Amputation risk, GLP-1 treatment, Type 2 diabetes

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