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| Effects of DPP-4 inhibitor for the cognitive function of elderly patients with type 2 diabetes mellitus and Alzheimer disease |
| JIN Li′na1,2 |
1.General Department, Beijing NO.6 Hospital, Beijing 100007, China;
2.Community Health Service Management Center of Dongcheng District in Beijing City, Beijing 100007, China |
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Abstract Objective To study the impact of dipeptidyl peptidase 4 (DPP-4) inhibitor Sitagliptin Phosphate on the cognitive function of elderly patients with type 2 diabetes mellitus and Alzheimer disease. Methods Eighty patients with type 2 diabetes mellitus and Alzheimer disease in Community Health Service Management Center of Dongcheng District in Beijing City from February 2016 to February 2017 were divided into two groups by random number table method, with 40 cases in each group. On basis of original therapeutic regimen, the control group was added with placebo, while the observation group was added with Sitagliptin Phosphate. The levels of blood glucose and cognitive function of the two groups were evaluated and analyzed before treatment and after treatment for 6 months. Results There were no significant differences of fasting blood glucose (FBG), glycated hemoglobin (HbA1c), and scores of mini-mental state examination (MMSE) between the two groups before treatment (P ＞ 0.05). After treatment, the FBG and HbA1c in observation group were significantly lower than those before treatment (P ＜ 0.05), the scores of MMSE were significantly higher than those before treatment (P ＜ 0.05). After treatment, the FBG and HbA1c in control group were significantly lower than those before treatment (P ＜ 0.05), while there was no statistically significant difference of MMSE scores before and after treatment (P ＞ 0.05). After treatment, the scores of MMSE in observation group were significantly higher than those of control group (P ＜ 0.05), but there were no statistically significant differences of FBG and HbA1c between the two groups (P ＞ 0.05). Conclusion DPP-4 inhibitor can significantly improve the cognitive function of elderly patients with type 2 diabetes mellitus and AD.
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