JOURNAL ARTICLE
REVIEW

Saxagliptin for the treatment of type 2 diabetes mellitus: focus on recent studies

Sherwyn L Schwartz
Annals of Medicine 2012, 44 (2): 157-69
22132773
Dipeptidyl peptidase-4 (DPP-4) inhibitors are a class of oral antidiabetic drugs that improve glycemic control without causing weight gain or increasing hypoglycemic risk in patients with type 2 diabetes (T2DM). The efficacy and tolerability of saxagliptin, a once-daily DPP-4 inhibitor, administered as monotherapy, as add-on therapy to metformin, a sulfonylurea, or a thiazolidinedione, and as initial combination therapy with metformin, was demonstrated in pivotal 24-week clinical trials. Additional information about the clinical profile of saxagliptin was recently obtained from extension studies, head-to-head clinical trials, and post-hoc analyses. In extension studies, the efficacy and tolerability of add-on saxagliptin and initial saxagliptin-plus-metformin therapy were maintained for up to 102 weeks. Saxagliptin plus metformin was shown to be non-inferior to glipizide plus metformin in lowering glycated hemoglobin from base-line, with reduced body-weight and lower hypoglycemic risk. Post-hoc analyses indicate that the clinical benefits of saxagliptin extend across demographic subgroups and special populations. A meta-analysis found no evidence for increased cardiovascular risk in T2DM patients exposed to saxagliptin for > 1 year. On the basis of this clinical profile, saxagliptin is an attractive option for initial and add-on therapy for T2DM patients with inadequate glycemic control.

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