Evaluation of efficacy and safety of DPP-4 inhibitors for Chinese elderly patients with type 2 diabetes mellitus
Diabetology & Metabolic Syndrome(2020)
Abstract
Background The safety of hypoglycemic drugs should be paid more attention to in elderly patients with type 2 diabetes mellitus due to their concomitant diseases, physiological decline of liver and kidney function and cognitive decline. The aim of this study was to evaluate the efficacy and safety of DPP-4 inhibitors in elderly patients with type 2 diabetes mellitus. Methods From January 2010 to November 2018, 300 patients with type 2 diabetes mellitus who were over 60 years old were enrolled in the outpatient clinic of Geriatric Medical Center. Their medication records and follow-up medical records were used for retrospective analysis. The duration of treatment with DPP-4 inhibitors was more than 3 months. The changes of fasting blood glucose (GLU), glycosylated hemoglobin (HbA1C), body weight, body mass index (BMI) and liver and kidney function were compared before and after treatment. Results The average age of 300 patients (212 males and 88 females) was 73.7 ± 9.1 years old, BMI was 26.5 ± 2.8 kg/m 2 and the duration of diabetes was 10.7 ± 8.2 years. The results of retrospective analysis showed that HbA1C decreased by 0.27% after treatment (P < 0.001). In the group of DPP-4 inhibitors used for less than 12 months, there was no difference in liver transaminase (ALT and AST) between before and after treatment, whereas in the group of DPP-4 inhibitors used formore than 12 months, liver transaminase decreased statistically compared with after treatment (P < 0.001). The incidence of fatty liver in elderly diabetic patients decreased after using DPP-4 inhibitors. There was no significant change in serum creatinine level and creatinine clearance rate in elderly patients with type 2 diabetes mellitus after treatment of DPP-4 inhibitor. In addition, the body weight and BMI of the patients decreased significantly (P < 0.001). No hypoglycemic reaction and gastrointestinal discomfort were found in the medical records. Conclusion After DPP-4 inhibitors were used in elderly patients with type 2 diabetes mellitus, the elevated glycosylated hemoglobin could be controlled with improved safety of liver and kidney, and might have the effect of weight loss.
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Key words
Elderly patients,Type 2 diabetes mellitus,DPP-4 inhibitors,Glycosylated hemoglobin,Safety
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