4.5 Article

Pharmacokinetics, Safety and Tolerability of Once-Weekly Subcutaneous Semaglutide in Healthy Chinese Subjects: A Double-Blind, Phase 1, Randomized Controlled Trial

Journal

ADVANCES IN THERAPY
Volume 38, Issue 1, Pages 550-561

Publisher

SPRINGER
DOI: 10.1007/s12325-020-01548-y

Keywords

Diabetes; Glucagon-like peptide-1 receptor agonist; Pharmacokinetics; Randomised controlled trial; Semaglutide; Steady state exposure

Funding

  1. Novo Nordisk A/S, Denmark [NCT03288740]

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This study evaluated the pharmacokinetics, safety, and tolerability of once-weekly subcutaneous semaglutide in healthy Chinese subjects. Results showed that semaglutide exposure increased dose-proportionally in healthy Chinese subjects, and treatment with once-weekly subcutaneous semaglutide was well tolerated. The findings suggest that no dose adjustment is needed for semaglutide in Chinese patients with T2D.
Introduction Once-weekly (OW) subcutaneous (s.c.) semaglutide is an injectable glucagon-like peptide-1 (GLP-1) analogue approved for the treatment of type 2 diabetes. This trial was designed to assess the pharmacokinetics, safety and tolerability of OW s.c. semaglutide in healthy Chinese subjects. Methods In this single-centre, randomised, double-blind, placebo-controlled trial, 36 healthy subjects were randomised to OW s.c. semaglutide 0.5 mg (n = 12), 1.0 mg (n = 12), or placebo (n = 12). Treatment (semaglutide or placebo) was blinded for the subjects, investigators and sponsor. The primary endpoint was steady-state semaglutide exposure, defined as the area under the curve over a dosing interval at steady state (AUC(0-168 h,SS)). Results In total, 34 subjects completed the trial. The steady-state exposure of semaglutide was higher for subjects treated with 1.0 mg semaglutide (AUC(0-168 h,ss): 7961 nmol h/l and C-max,C-ss: 55.9 nmol/l) compared to 0.5 mg semaglutide (AUC(0-168 h,ss): 4000 nmol h/l and C-max,C-ss: 28.8 nmol/l). The total exposure of semaglutide increased in a dose-proportional manner in healthy Chinese subjects; the treatment ratio (1.0 mg/0.5 mg) [95% confidence interval] for AUC(0-168 h,SS) was 1.99 [1.78; 2.23]. Treatment with OW s.c. semaglutide was well tolerated in healthy Chinese subjects. As expected for the GLP-1 receptor agonist class, the most common adverse events were gastrointestinal, and no new safety signals were identified. Conclusion The pharmacokinetics, safety and tolerability of OW s.c. semaglutide in healthy Chinese subjects were consistent with previous clinical pharmacology trials of OW s.c. semaglutide in other populations. The results suggest that no dose adjustment is necessary for semaglutide in Chinese patients with T2D.

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