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Comparative Pharmacokinetics, Bioequivalence and Safety Study of Two Recombinant Human Chorionic Gonadotropin Injections in Healthy Chinese Subjects

Authors Wang J, Yang T, Mei H, Yu X, Peng H, Wang R, Cai Y

Received 17 October 2019

Accepted for publication 31 December 2019

Published 29 January 2020 Volume 2020:14 Pages 435—444

DOI https://doi.org/10.2147/DDDT.S235064

Checked for plagiarism Yes

Review by Single-blind

Peer reviewer comments 3

Editor who approved publication: Dr Anastasios Lymperopoulos


Jin Wang,1,* Tianli Yang,1,* Hekun Mei,1 Xueming Yu,2 Hongmei Peng,3 Rui Wang,1 Yun Cai1

1Center of Medicine Clinical Research, Department of Pharmacy, PLA General Hospital, Beijing 100853, People’s Republic of China; 2Livzon MabPharm Inc, Zhuhai, Guangdong 519045, People’s Republic of China; 3Reproductive Medicine Center, Department of Obstetrics and Gynecology, PLA General Hospital, Beijing 100853, People’s Republic of China

*These authors contributed equally to this work

Correspondence: Yun Cai
Center of Medicine Clinical Research, Department of Pharmacy, PLA General Hospital, 28 Fu Xing Road, Beijing 100853, People’s Republic of China
Tel +86-10-6693-7166
Email caicai_hh@126.com

Objective: To evaluate the pharmacokinetics (PK), bioequivalence and safety profile of the recombinant human chorionic gonadotropin (r-hCG) injection formulation LZM003 (test drug) comparing with that of Ovidrel® (reference drug) in healthy Chinese subjects.
Methods: This is a randomized, single-blind, single-dose, two-arm and two-period crossover Phase I study. Subjects were randomized evenly to a single dose of LZM003 or reference drug injected subcutaneously, with a 10-day or longer between-treatment washout period. PK parameters, anti-drug antibodies (ADAs), and adverse events (AEs) were assessed. The primary PK endpoints were area under the curve (AUC) of the concentration–time curve from zero to last quantifiable concentration (AUC0-t), AUC from zero to infinity (AUC0-∞), and peak concentration (Cmax). Bioequivalence was determined by assessing whether the 90% confidence intervals (CIs) for the geometric mean ratio (GMR) of LZM003 to reference drug fell within predefined margins of 80% − 125%.
Results: Forty-eight subjects (24 males and 24 females) were enrolled and one subject withdrew for personal reasons. Mean values of primary PK parameters were similar (p > 0.05) between LZM003 and the reference drug. The 90% CIs for primary PK endpoints’ GMR of LZM003 to reference drug ranged between 0.9144 and 1.1845, which were within bioequivalence margins of 80− 125%. Incidence of AEs was similar (p > 0.05) between the two groups. Neither LZM003 nor reference drug produced anti-drug antibody (ADA) in healthy subjects.
Conclusion: LZM003 and reference drug were bioequivalent. The PK and safety assessments were similar (p > 0.05) between the two formulations in healthy Chinese subjects.
Trial Registration Number: ChiCTR-IIR-16010158 (http://www.chictr.org.cn).
Trial Registration Date: December 15, 2016.

Keywords: bioequivalence, human chorionic gonadotropin, Chinese subject, pharmacokinetics

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