Hypersensitivity Events, Including Potentially Hypersensitivity-Related Skin Events, with Dapagliflozin in Patients with Type 2 Diabetes Mellitus: A Pooled Analysis
Tóm tắt
In patients with type 2 diabetes mellitus (T2DM), dapagliflozin improves glycemic control and has a safety profile typically related to its mechanism of action. Hypersensitivity adverse events (AEs) have been reported in some patients with sodium-glucose cotransporter 2 (SGLT2) inhibitors, including a recent report of dermatological AEs in Japan. We investigated the frequency and characteristics of hypersensitivity AEs, including potentially hypersensitivity-related skin AEs, across 21 phase IIb/III trials of dapagliflozin (N = 5936) versus active or placebo comparators (N = 3403), including the subpopulation of Asian patients (N = 1563). Overall, AEs and serious AEs (SAEs) of hypersensitivity were infrequent and were reported in a similar proportion of patients with dapagliflozin versus active or placebo comparators (AEs: 4.5 vs. 4.3 %; SAEs: 0.2 vs. 0.1 %, respectively). The most common events affected the skin or subcutaneous tissue: rash (dapagliflozin: 1.1 %, comparator: 1.1 %), eczema (0.6, 0.8 %), dermatitis (0.5, 0.4 %), and urticaria (0.5, 0.2 %). Few patients discontinued as a result of hypersensitivity AEs (≤0.2 %). In patients of Asian descent, a lower frequency of hypersensitivity AEs was observed with dapagliflozin versus comparators (2.0 vs. 4.5 %). In the subset of placebo-controlled trials, hypersensitivity AEs were slightly more frequent with dapagliflozin than with placebo across the overall population (4.7 vs. 3.8 %), and less frequent with dapagliflozin in Asian patients (1.5 vs. 5.0 %). The findings of this post hoc analysis indicate that dapagliflozin does not lead to an increased risk of serious hypersensitivity reactions or potentially hypersensitivity-related skin events among patients with T2DM, including Asian patients. Long-term outcome studies and postmarketing surveillance will provide further information on hypersensitivity reactions with SGLT2 inhibitors. NCT01042977, NCT01031680, NCT00855166, NCT00984867, NCT01294423, NCT00673231, NCT00972244, NCT00680745, NCT00660907, NCT01095653, NCT00831779, NCT00976495, NCT00859898, NCT00736879, NCT00683878, NCT00663260, NCT00643851, NCT00528879, NCT00528372, NCT00357370, NCT00263276
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