Journal
CLINICAL PHARMACOLOGY & THERAPEUTICS
Volume 96, Issue 6, Pages 704-712Publisher
WILEY-BLACKWELL
DOI: 10.1038/clpt.2014.187
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Funding
- GlaxoSmithKline
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GSK2374697 is a genetically engineered fusion protein of a human domain antibody to exendin-4. This molecule binds with a high affinity to human serum albumin, creating a long-duration glucagon-like peptide-1 (GLP-1) receptor agonist. This study is the first evaluation of the albumin-binding domain antibody (AlbudAb) drug delivery platform in humans. The aim of this randomized clinical study was to determine the pharmacokinetics, pharmacodynamics, safety, and tolerability of GSK2374697. The pharmacokinetic profile was prolonged, with estimated half-lives ranging from 6 to 10 days. Postprandial glucose and insulin were reduced, and gastric emptying was delayed in healthy subjects, confirming anticipated GLP-1 receptor agonist pharmacology.The safety and tolerability were as expected for a potent GLP-1 agonist. Gradual titration of doses greatly improved tolerability. Rapid tolerance to nausea was observed. Study results support further investigation in type 2 diabetes and for weight loss.
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