Journal
INTERNATIONAL UROLOGY AND NEPHROLOGY
Volume 48, Issue 8, Pages 1349-1355Publisher
SPRINGER
DOI: 10.1007/s11255-016-1305-0
Keywords
DPP-4 inhibitor; Hemodialysis; Glycated albumin; Glycated hemoglobin
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We conducted this pilot study to examine efficacy and safety of switching from subcutaneous injection of insulin to oral administration of a DPP-4 inhibitor, vildagliptin, in type 2 diabetic patients undergoing hemodialysis. Consecutive type 2 diabetic patients on hemodialysis who were switched from insulin to vildagliptin between August 2010 and April 2011 were extracted from the hospital database. In patients whose post-switch increase in glycated albumin (GA) levels was <1.5 % without resuming insulin at least 24 weeks, the switch was defined as efficacious. In patients who resumed insulin therapy due to worsening of glycemic control or in patients whose GA levels increased by 1.5 % or more, the switch was considered inefficacious. To predict patients in whom switch to vildagliptin proved efficacious, receiver-operating characteristic (ROC) analysis and logistic regression analysis were performed. A total of 20 patients were extracted; insulin dose was 12 +/- 4 units/day; levels of GA and HbA1c was 21.0 +/- 3.7 % and 6.5 +/- 0.6 %, respectively. Among them, 11 patients were efficaciously switched to vildagliptin. ROC analysis and logistic analysis showed that patients with a shorter duration of diabetes, as well as lower levels of GA and HbA1c, appeared to have a higher likelihood of successful treatment switches. None of the patients developed hypoglycemic symptoms, ketoacidosis, or serious adverse events. In conclusion, efficacious change from insulin to vildagliptin was possible in approximately a half of type 2 diabetic dialysis patients. Long-term follow-up studies including large number of patients are needed to confirm these results.
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