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Low within- and between-day variability in exposure to new insulin glargine 300 U/ml.


ABSTRACT: To characterize the variability in exposure and metabolic effect of insulin glargine 300?U/ml (Gla-300) at steady state in people with type 1 diabetes (T1DM).A total of 50 participants with T1DM underwent two 24-h euglycaemic clamps in steady-state conditions after six once-daily administrations of 0.4?U/kg Gla-300 in a double-blind, randomized, two-treatment, two-period, crossover clamp study. Participants were randomized to receive Gla-300 as a standard cartridge formulation in the first treatment period, and as a formulation with enhanced stability through polysorbate-20 addition in the second treatment period, or vice versa. This design allowed the assessment of bioequivalence between formulations and, subsequently, within- and between-day variability.The cumulative exposure and effect of Gla-300 developed linearly over 24?h, and were evenly distributed across 6- and 12-h intervals. Diurnal fluctuation in exposure (within-day variability) was low; the peak-to-trough ratio of insulin concentration profiles was <2, and both the swing and peak-to-trough fluctuation were <1. Day-to-day reproducibility of exposure was high: the between-day within-subject coefficients of variation for total systemic exposure (area under the serum insulin glargine concentration time curve from time 0 to 24?h after dosing) and maximum insulin concentration were 17.4% [95% confidence interval (CI) 15-21] and 33.4% (95% CI 28-41), respectively. Reproducibility of the metabolic effect was lower than that of exposure.Gla-300 provides predictable, evenly distributed 24-h coverage as a result of low fluctuation and high reproducibility in insulin exposure, and appears suitable for effective basal insulin use.

SUBMITTER: Becker RH 

PROVIDER: S-EPMC4674964 | biostudies-literature | 2015 Mar

REPOSITORIES: biostudies-literature

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Low within- and between-day variability in exposure to new insulin glargine 300 U/ml.

Becker R H A RH   Nowotny I I   Teichert L L   Bergmann K K   Kapitza C C  

Diabetes, obesity & metabolism 20150107 3


<h4>Aims</h4>To characterize the variability in exposure and metabolic effect of insulin glargine 300 U/ml (Gla-300) at steady state in people with type 1 diabetes (T1DM).<h4>Methods</h4>A total of 50 participants with T1DM underwent two 24-h euglycaemic clamps in steady-state conditions after six once-daily administrations of 0.4 U/kg Gla-300 in a double-blind, randomized, two-treatment, two-period, crossover clamp study. Participants were randomized to receive Gla-300 as a standard cartridge f  ...[more]

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