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Evaluation of the pharmacokinetics of two recombinant human erythropoietin preparations: epoetin zeta and epoetin alfa. 2nd Communication: A monocentric, double-blind, randomized, single dose, three-period crossover trial in healthy volunteers.

Author(s): Kirkov V, Dimitrova V, Siebert-Weigel M, Wolf-Pflugmann M, Koytchev R, Richter W, Bronn A, Arsova S, Kromminga A

Affiliation(s): University Hospital "Queen Giovanna", Sofia, Bulgaria.

Publication date & source: 2008, Arzneimittelforschung., 58(5):220-4.

Publication type: Comparative Study; Randomized Controlled Trial

The subcutaneous bioavailability of a new recombinant erythropoietin preparation (epoetin zeta, CAS 604802-70-2) and the pharmacokinetic properties of this drug compared to a reference product (epoetin alfa, CAS 113427-24-0) were analyzed after a single intravenous bolus injection or subcutaneous injection of 10,000 IU in a three-period crossover design in 48 healthy volunteers. Peripheral venous blood samples were obtained pre-dose, and 0:05, 0:20, 0:40, 1:00, 1:20, 1:40, 2:00, 3:00, 4:00, 6:00, 8:00, 12:00, 24:00, 36:00, 48:00, and 72:00 h post dosing. Samples from 48 volunteers were analyzed by means of a specific immunoassay (ELISA). The systemic bioavailability of epoetin zeta after subcutaneous administration is approximately 24%. Comparison of both preparations showed nearly identical pharmacokinetic properties after subcutaneous administration. The usual bioequivalence limits were fulfilled for all relevant pharmacokinetic parameters.

Page last updated: 2008-08-11

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