Dipeptidyl peptidase-4 inhibitors and pancreatitis risk: a meta-analysis of randomized clinical trials
Abstract
AIM: Some observational studies reporting an increased risk of pancreatitis in association with Dipeptidyl Peptidase-4 inhibitors (DPP4i) have raised concerns on the overall safety of this class. Aim of the present meta-analysis is the systematic collection of information on pancreatitis in randomized clinical trials with DPP4i.
DATA SOURCES: an extensive Medline, Embase and Cochrane Database search for 'vildagliptin', 'sitagliptin', 'saxagliptin', 'alogliptin', 'linagliptin' and 'dutogliptin' was performed up to 1 March 2013.
STUDY SELECTION: studies were included if they satisfied the following criteria: (i) randomized trials, (ii) duration ≥12 weeks, (iii) on type 2 diabetes and (iv) comparison of DPP4i with placebo or active drugs. The identification and the selection of studies, and the subsequent data extraction were performed independently by two authors. Mantel-Haenszel odds ratio with 95% Confidence Interval (MH-OR) was calculated for all the adverse events defined below. The principal outcome was the effect of DPP4i on the incidence of pancreatitis.
RESULTS: A total of 134 eligible trials were identified. The overall risk of pancreatitis and pancreatic cancer was not different between DPP4i and comparators (MH-OR: 0.93[0.51-1.69]; p = 0.82).
CONCLUSIONS: It should be recognized that the number of observed cases of incident pancreatitis is small and the confidence intervals of risk estimates are wide. However, the present meta-analysis do not suggest any increase in…
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