期刊
EXPERT OPINION ON INVESTIGATIONAL DRUGS
卷 25, 期 12, 页码 1361-1370出版社
TAYLOR & FRANCIS LTD
DOI: 10.1080/13543784.2016.1255724
关键词
Adalimumab; BI 695501; bioequivalence; biosimilar; Humira; pharmacokinetics
Background: This Phase I study (VOLTAIRE (R)-PK) aimed to evaluate three-way pharmacokinetic similarity (bioequivalence), safety, and immunogenicity of BI 695501 (a Humira (R) [adalimumab] biosimilar candidate) compared with US-and EU-approved Humira in healthy male subjects. Methods: Subjects (N = 327) were randomized 1: 1: 1 to receive one 40-mg subcutaneous dose of BI 695501, US-or EU-approved Humira; safety was assessed for 70 days. Bioequivalence was evaluated using the average bioequivalence method to test if the 90% confidence intervals (CIs) of the geometric means (BI 695501 vs US-and EU-approved Humira) for the primary end points were within prespecified acceptance ranges (80-125%). Immunogenicity was assessed using a sensitive bridging method. Results: Bioequivalence between BI 695501 and US-and EU-approved Humira was demonstrated with the 90% CIs of the ratios of all primary end points: Cmax, AUC0-inf, pred and AUC0-tz being within the prespecified acceptance ranges of 80-125%. Concentration vs time profiles were similar as were the time course and frequency of immunogenic responses. All study drugs showed similar safety and tolerability results. Conclusions: Three-way bioequivalence of BI 695501 to US-and EU-approved Humira was demonstrated; safety and immunogenicity results of the three study drugs were also similar.
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