Abstract:
:This multi-center, randomized, double-blind, multiple dose-escalation study was conducted to assess the pharmacokinetics and pharmacodynamics of a newly developed polyethylene glycol (PEG)-conjugated glucagon-like peptide-1 (GLP-1) receptor agonist, PEX168 once weekly in Chinese patients with type 2 diabetes (T2DM). Fifty patients aged 20-65 years, either treatment-naive or having been treated with single oral antidiabetic agents were eligible. Antidiabetic agents were stopped for 14 days before the study was initiated. Patients were allocated randomly into groups with subcutaneous PEX168 or placebo once-weekly for 8 weeks followed by 6 weeks observation. From baseline to 8 weeks, HbA1c were decreased by up to 0.0, 0.2, 0.6, 0.9, and -0.4% in the 50, 100, 200, 300 μg PEX168 groups, and placebo group respectively. The mean elimination half-life of PEX168 was 131.8-139.8 hours. The mean tmax was 67.3 hours. Steady-state plasma PEX168 concentrations were attained after 4 weeks. PEX168 once-weekly were tolerable by the patients: adverse effects reported ranged from 'mild' to 'moderate'. The most frequent drug-related adverse effects were nausea, vomiting, and diarrhea of mild to moderate severity. Administration of the PEG-conjugated GLP-1 receptor agonist PEX168 resulted in dose-proportional pharmacokinetic and antidiabetic pharmacodynamic activity.
journal_name
J Clin Pharmacoljournal_title
Journal of clinical pharmacologyauthors
Yang GR,Zhao XL,Jin F,Shi LH,Yang JKdoi
10.1002/jcph.386subject
Has Abstractpub_date
2015-02-01 00:00:00pages
152-8issue
2eissn
0091-2700issn
1552-4604journal_volume
55pub_type
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