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Long-Term Safety of Dapagliflozin in Older Patients with Type 2 Diabetes Mellitus: A Pooled Analysis of Phase IIb/III Studies.


ABSTRACT: To evaluate the 104-week safety of dapagliflozin in older patients with type 2 diabetes mellitus.Pooled analysis assessing general safety (nine phase III studies ?104 weeks) and cardiovascular safety (21 phase IIb/III studies ?208 weeks) by age (<65; ?65; ?75 years). Patients with type 2 diabetes mellitus (±background glucose-lowering therapy) received: dapagliflozin 10 mg (n = 2026) vs. placebo (n = 1956) (nine-study pool); or dapagliflozin (2.5-50 mg; n = 5936) vs. control (placebo/comparator) (n = 3403) (21-study pool).Adverse events (AEs) and discontinuations owing to AEs were more common in older vs. younger patients, and were more frequent with dapagliflozin than placebo (AEs: <65 years: 73.1 vs. 70.7 %; ?65 years: 77.4 vs. 73.1 %; ?75 years: 80.4 vs. 75.3 %, respectively; discontinuations: <65 years: 5.9 vs. 5.0 %; ?65 years: 14.4 vs. 12.2 %; ?75 years: 26.8 vs. 22.1 %, respectively); serious AE (SAE) frequency was similar (<65 years: 11.0 vs. 11.8 %; ?65 years: 20.0 vs. 20.2 %; ?75 years: 19.6 vs. 18.2 %, respectively). Hypoglycaemia frequency was similar across age groups and was higher with dapagliflozin than placebo (<65 years: 18.0 vs. 13.4 %; ?65 years: 20.2 vs. 17.7 %; ?75 years: 17.5 vs. 16.9 %, respectively); major episodes were rare. Urinary tract infection frequency was similar between treatment groups in older patients, with no increase vs. younger patients (<65 years: 8.8 vs. 5.5 %; ?65 years: 8.1 vs. 7.6 %; ?75 years: 8.2 vs. 9.1 %, respectively); urinary tract infection SAEs were rare. Genital infection AEs were more common with dapagliflozin, with no increase in older patients (<65 years: 8.2 vs. 1.0 %; ?65 years: 6.6 vs. 0.9 %; ?75 years: 7.2 vs. 0.0 %, respectively) and no SAEs. Volume reduction AEs were uncommon, with a higher frequency with dapagliflozin vs. placebo and in patients ?75 years (<65 years: 1.7 vs. 1.2 %; ?65 years: 2.3 vs. 1.7 %; ?75 years: 3.1 vs. 2.6 %, respectively). Dapagliflozin did not increase the risk of fractures (<65 years: 1.1 vs. 1.1 %; ?65 years: 1.1 vs. 2.7 %; ?75 years: 1.0 vs. 2.6 %, respectively) or falls (<65 years: 0.7 vs. 0.7 %; ?65 years: 0.6 vs. 2.1 %; ?75 years: 0.0 vs. 1.3 %, respectively), regardless of age. AEs of renal function were more common with dapagliflozin than placebo and increased with age (<65 years: 3.5 vs. 2.3 %; ?65 years: 14.0 vs. 7.9 %; ?75 years: 29.9 vs. 20.8 %, respectively). Most were non-serious small transient increases in serum creatinine. Dapagliflozin did not increase cardiovascular risk regardless of age [hazard ratio (95 % confidence interval) vs.<65 years: 0.726 (0.473, 1.114); ?65 years: 0.879 (0.565, 1.366); ?75 years: 0.950 (0.345, 2.617), respectively].Dapagliflozin treatment up to 104 weeks was well tolerated in older patients. Older dapagliflozin-treated patients had more renal AEs than placebo-treated patients; the majority of which were non-serious small transient changes in serum creatinine.

SUBMITTER: Fioretto P 

PROVIDER: S-EPMC4937081 | biostudies-literature | 2016 Jul

REPOSITORIES: biostudies-literature

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Long-Term Safety of Dapagliflozin in Older Patients with Type 2 Diabetes Mellitus: A Pooled Analysis of Phase IIb/III Studies.

Fioretto Paola P   Mansfield Traci A TA   Ptaszynska Agata A   Yavin Yshai Y   Johnsson Eva E   Parikh Shamik S  

Drugs & aging 20160701 7


<h4>Objective</h4>To evaluate the 104-week safety of dapagliflozin in older patients with type 2 diabetes mellitus.<h4>Methods</h4>Pooled analysis assessing general safety (nine phase III studies ≤104 weeks) and cardiovascular safety (21 phase IIb/III studies ≤208 weeks) by age (<65; ≥65; ≥75 years). Patients with type 2 diabetes mellitus (±background glucose-lowering therapy) received: dapagliflozin 10 mg (n = 2026) vs. placebo (n = 1956) (nine-study pool); or dapagliflozin (2.5-50 mg; n = 5936  ...[more]

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