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J Clin Pharmacol. 2014 Jul;54(7):792-9. doi: 10.1002/jcph.276. Epub 2014 Feb 13.

Single-dose pharmacokinetics and glucodynamics of the novel, long-acting basal insulin LY2605541 in healthy subjects.

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  • 1Eli Lilly and Company, Indianapolis, IN, USA.

Abstract

LY2605541 is a novel basal insulin analog with a prolonged duration of action. Two Phase I studies assessed LY2605541 pharmacokinetics (PK), glucodynamics (GD), and tolerability in healthy subjects. In Study 1, 33 subjects received single subcutaneous (SC) doses of LY2605541 (0.01-2.22 U/kg) and insulin glargine (0.5-0.8 U/kg) followed by euglycemic clamp for up to 24-36 hours. In Study 2, absolute bioavailability of SC LY2605541 was assessed in 8 subjects by comparing dose normalized area under concentration versus time curve of SC against IV administration. Time-to-maximum plasma concentration (medians) and geometric means for half-life (t½ ) and apparent clearance, respectively, ranged from 18.0 to 42.0 hours, 24.4-45.5 hours, and 1.8-2.8 L/h for SC LY2605541, versus 10.0-12.0 hours, 12.2-14.9 hours, and 51.4-65.2 L/h for SC insulin glargine. LY2605541 glucose infusion rate (GIR) profiles were sustained for ≥36 hours versus glargine GIR profiles, which waned at 24 hours. After IV administration, LY2605541's geometric mean t½ was 2.3 hours. LY2605541 intra-subject variability (CV%) was <18% for PK and <32% for GD parameters. The most common adverse events were related to study procedures and were mild-moderate in severity. These results established a well-tolerated baseline dose for LY2605541 with a relatively flat PK profile and low intra-subject variability.

© 2014, The American College of Clinical Pharmacology.

KEYWORDS:

glucodynamics; long-acting basal insulin; pharmacokinetics

PMID:
24504686
[PubMed - indexed for MEDLINE]
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