Evaluation of Dose-response, Pharmacodynamic and Pharmacokinetic Bioequivalence of Filgrastim in Healthy Male Volunteers After Single and Multiple-dose Subcutaneous Administration of the BK0023 Injectable Formulation vs. Neupogen®

Detailed Summary

Study rationale: Bio-ker has developed the new formulation of filgrastim BK0023 with the same active content as Neupogen®. BK0023 is expected to have the same tolerability profile and clinical effects as Neupogen® in controlling myelo-toxicity induced by chemotherapy given for the treatment of solid and haematological tumours. It is worth noting that the production and manufacturing procedures allow to have a reduction of drug cost thus it is likely to have pharmacoeconomic advantages. The study is aimed at investigating the pharmacodynamic equivalence and the pharmacokinetic bioequivalence of the new BK0023 injectable formulation of filgrastim 0.3 mg/mL by Bio-Ker S.r.l. vs. the comparator (Neupogen® 0.3 mg/mL, Dompé Biotec S.p.A., Italy). Healthy male subjects will receive test and reference at the doses of 2.5 and 5 µg/kg/day for 7 consecutive days and at the dose of 10 µg/kg/day for 5 consecutive days according to a randomised cross-over design. Pharmacodynamics, pharmacokinetics and safety of BK0023 injectable formulation 0.3 mg/mL and of Neupogen® 0.3 mg/mL, administered in 2 consecutive periods with a wash-out of at least 28 days elapsing between the last injection of period I and the first of period II, are compared. Study design: Single and multiple escalating dose, double-blind, randomised, two-way cross-over, pharmacodynamic and pharmacokinetic bioequivalence study.

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