Biosimilarity of HS-20090 to Denosumab in Healthy Chinese Subjects: a Randomized, Double-Blinded, Pharmacokinetics/pharmacodynamics Study
Expert opinion on investigational drugs(2022)
Abstract
ABSTRACT Objective HS-20090 is a proposed biosimilar candidate of Denosumab (Xgeva®). The study aimed to evaluate the similarity of pharmacokinetics (PK), pharmacodynamics (PD), safety, and immunogenicity between HS-20090 and Xgeva® in healthy Chinese subjects. Methods A single-center, randomized, double-blinded, active-controlled study was conducted in healthy Chinese adult male subjects. A total of 154 subjects were planned to be randomly assigned (1:1) to receive 120 mg of either HS-20090 or Xgeva® in a single subcutaneous injection, with a follow-up period of 155 days. The primary objective was to evaluate the bioequivalence of PK. The primary endpoints were Cmax and AUC0-∞. The secondary objectives were to evaluate the similarity of PD, safety, and immunogenicity. Results All 154 subjects were included in the PK, PD, and safety analyses. The 90% CIs of GMRs of HS-20090/Xgeva® for Cmax, AUC0-t, and AUC0-∞ were 90.49 ~ 100.23%, 94.45 ~ 104.61%, and 94.08 ~ 105.23%, respectively, achieving the bioequivalence criteria of 80 ~ 125%. The PD parameters and incidence of adverse events between HS-20090 and denosumab were also similar, with no detection of ADA in both the groups. Conclusion HS-20090 was highly similar to Xgeva®, with regard to PK, PD, safety profiles, and immunogenicity in healthy Chinese subjects. These data support subsequently comparative clinical study for bone metastases in solid tumors. Clinical trial registration www.clinicaltrials.gov identifier is NCT04494373.
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Key words
HS-20090,Denosumab,biosimilar,pharmacokinetics,pharmacodynamics
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