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Comparison of the pharmacokinetics, safety and tolerability of daptomycin in healthy adult volunteers following intravenous administration by 30 min infusion or 2 min injection.


ABSTRACT:

Objectives

Two randomized Phase I studies in separate populations of healthy adult volunteers investigated the pharmacokinetics, safety and tolerability of daptomycin (Cubicin; Novartis Pharma AG, Basel, Switzerland) administered as a 2 min intravenous (iv) injection, relative to the currently licensed 30 min iv infusion.

Methods

Study 1 was an open-label, single-dose, two-period, crossover study in which each subject received 6 mg/kg daptomycin administered as a 30 min iv infusion (n = 15) and as a 2 min iv injection (n = 16). In Study 2, a single-blind, multiple-dose, parallel-group study, subjects received a once-daily 2 min iv injection of 6 mg/kg daptomycin (n = 12), 4 mg/kg daptomycin (n = 8) or placebo (n = 4) for 7 days. Single-dose pharmacokinetics were assessed at various timepoints up to 36 and 24 h post-dose in Study 1 and Study 2, respectively, and multiple-dose pharmacokinetics were assessed in Study 2 at day 7 for 48 h post-dose.

Results

In Study 1, pharmacokinetic comparability between the two administration regimens was demonstrated by meeting the bioequivalence criteria for the exposure parameters, AUC(0-t), AUC(0-infinity) and C(max). In Study 2, time-invariant pharmacokinetic properties as well as dose-proportional pharmacokinetics were demonstrated for the daptomycin 2 min iv injection regimen. In both studies, daptomycin was well tolerated and the majority of treatment-emergent adverse events were of mild intensity and considered to be unrelated to daptomycin.

Conclusions

The similar pharmacokinetic and safety profiles of the two administration regimens suggest that the 2 min iv injection may be a convenient treatment option for both patients and healthcare professionals.

SUBMITTER: Chakraborty A 

PROVIDER: S-EPMC2692502 | biostudies-literature | 2009 Jul

REPOSITORIES: biostudies-literature

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Publications

Comparison of the pharmacokinetics, safety and tolerability of daptomycin in healthy adult volunteers following intravenous administration by 30 min infusion or 2 min injection.

Chakraborty Abhijit A   Roy Sandip S   Loeffler Juergen J   Chaves Ricardo L RL  

The Journal of antimicrobial chemotherapy 20090422 1


<h4>Objectives</h4>Two randomized Phase I studies in separate populations of healthy adult volunteers investigated the pharmacokinetics, safety and tolerability of daptomycin (Cubicin; Novartis Pharma AG, Basel, Switzerland) administered as a 2 min intravenous (iv) injection, relative to the currently licensed 30 min iv infusion.<h4>Methods</h4>Study 1 was an open-label, single-dose, two-period, crossover study in which each subject received 6 mg/kg daptomycin administered as a 30 min iv infusio  ...[more]

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