Dipeptidyl peptidase-4 inhibitor use is associated with decreased risk of fracture in patients with type 2 diabetes

a population-based cohort study

Wen Hsuan Hou, Kai Cheng Chang, Chung Yi Li, Huang Tz Ou

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

Aims: The aim of this study was to investigate the putative link between dipeptidyl peptidase-4 inhibitor (DPP-4i) use and the risk of fracture in patients with type 2 diabetes. Methods: This propensity-score-matched population-based cohort study was performed between 2009 and 2013 on patients with type 2 diabetes who were stable metformin users. A total of 3996 patients with type 2 diabetes used DPP-4i as a second-line antidiabetic drug. The same number of matched non-DPP-4i users were followed up until fracture occurrence, health insurance policy termination, or the end of 2013. The incidence rates of overall and cause-specific fractures were estimated based on the Poisson assumption. A multiple Cox proportional hazard model was used to estimate the covariate-adjusted hazard ratio (HR) and 95% confidence interval (CI) to determine the association between DPP-4i use and overall and cause-specific fractures stratified by age and sex. Results: Over a maximum follow-up period of 5 years, 340 DPP-4i users and 419 non-DPP-4i users were newly diagnosed with fractures, yielding incidence rates of 28.03 and 32.04 per 1000 people per year, respectively. The Cox proportional hazard model revealed that DPP-4i use significantly reduced the risk of all-cause fractures and upper extremity fractures, with adjusted HRs of 0.86 (95% CI: 0.74–0.99) and 0.75 (95% CI: 0.59–0.95), respectively. The aforementioned associations of DDP-4i use with fracture were sustained across sex and age stratifications. Conclusions: The results of this study supported the premise that DPP-4i usage is associated with a reduced risk of all-cause fractures and upper extremity fractures in patients with type 2 diabetes.

Original languageEnglish
Pages (from-to)2029-2039
Number of pages11
JournalBritish Journal of Clinical Pharmacology
Volume84
Issue number9
DOIs
Publication statusPublished - Sep 1 2018

Fingerprint

Dipeptidyl-Peptidase IV Inhibitors
Type 2 Diabetes Mellitus
Cohort Studies
Population
Confidence Intervals
Protease Inhibitors
Proportional Hazards Models
Upper Extremity
Propensity Score
Metformin
Incidence
Health Insurance
Health Policy
Hypoglycemic Agents

Keywords

  • cohort study
  • dipeptidyl peptidase-4 inhibitor
  • fracture
  • type 2 diabetes

ASJC Scopus subject areas

  • Pharmacology
  • Pharmacology (medical)

Cite this

Dipeptidyl peptidase-4 inhibitor use is associated with decreased risk of fracture in patients with type 2 diabetes : a population-based cohort study. / Hou, Wen Hsuan; Chang, Kai Cheng; Li, Chung Yi; Ou, Huang Tz.

In: British Journal of Clinical Pharmacology, Vol. 84, No. 9, 01.09.2018, p. 2029-2039.

Research output: Contribution to journalArticle

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title = "Dipeptidyl peptidase-4 inhibitor use is associated with decreased risk of fracture in patients with type 2 diabetes: a population-based cohort study",
abstract = "Aims: The aim of this study was to investigate the putative link between dipeptidyl peptidase-4 inhibitor (DPP-4i) use and the risk of fracture in patients with type 2 diabetes. Methods: This propensity-score-matched population-based cohort study was performed between 2009 and 2013 on patients with type 2 diabetes who were stable metformin users. A total of 3996 patients with type 2 diabetes used DPP-4i as a second-line antidiabetic drug. The same number of matched non-DPP-4i users were followed up until fracture occurrence, health insurance policy termination, or the end of 2013. The incidence rates of overall and cause-specific fractures were estimated based on the Poisson assumption. A multiple Cox proportional hazard model was used to estimate the covariate-adjusted hazard ratio (HR) and 95{\%} confidence interval (CI) to determine the association between DPP-4i use and overall and cause-specific fractures stratified by age and sex. Results: Over a maximum follow-up period of 5 years, 340 DPP-4i users and 419 non-DPP-4i users were newly diagnosed with fractures, yielding incidence rates of 28.03 and 32.04 per 1000 people per year, respectively. The Cox proportional hazard model revealed that DPP-4i use significantly reduced the risk of all-cause fractures and upper extremity fractures, with adjusted HRs of 0.86 (95{\%} CI: 0.74–0.99) and 0.75 (95{\%} CI: 0.59–0.95), respectively. The aforementioned associations of DDP-4i use with fracture were sustained across sex and age stratifications. Conclusions: The results of this study supported the premise that DPP-4i usage is associated with a reduced risk of all-cause fractures and upper extremity fractures in patients with type 2 diabetes.",
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