A randomized phase III study to compare efficacy and safety of BAT2206 (proposed ustekinumab biosimilar) with reference ustekinumab in patients with moderate to severe plaque psoriasis - 19/03/25
Abstract |
Background |
BAT2206 is a proposed biosimilar to reference ustekinumab (UST; Stelara).
Objectives |
To compare the efficacy and safety of BAT2206 with UST at 2 treatment periods, ie, a 28-week initial treatment period 1 (TP1) and a 24-week secondary TP2. This article describes the results of TP1.
Methods |
In this randomized, double-blind, phase III study, adult patients with moderate to severe plaque psoriasis were randomized (1:1) to receive 45 or 90 mg of BAT2206 or UST until week 28 in TP1, depending on their baseline body weight. The primary end point was the percent change from baseline in Psoriasis Area and Severity Index score to week 8 or 12. The secondary end points included safety, pharmacokinetics, and immunogenicity parameters.
Results |
In all, 278 patients were each randomized into the BAT2206 or UST groups. At weeks 8 and 12, the least squares mean difference (standard error) for percent change from baseline in Psoriasis Area and Severity Index score was 0.964 (1.8952) and 1.774 (1.4912), respectively, and the least squares mean difference confidence intervals all completely fell within the predefined equivalence margins. Comparable results were observed between the treatment groups for secondary end points.
Limitations |
Owing to the length limit, this article only described the findings from TP1.
Conclusions |
BAT2206 and UST were comparable in terms of efficacy, safety, pharmacokinetics, and immunogenicity.
Il testo completo di questo articolo è disponibile in PDF.Key words : biosimilar, monoclonal antibody, psoriasis, randomized clinical trial, ustekinumab
Abbreviations used : ADA, AE, CfB, CI, Ctrough, EMA, IL, LS, NAb, PASI, PK, SE, sPGA, TEAE, TP
Mappa
| Funding sources: None. |
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| Patient consent: All patients provided written informed consent before the study was initiated. |
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| IRB approval status: Ethics approval was received from each national central or local ethical committee or institutional review board. |
Vol 92 - N° 4
P. 724-731 - aprile 2025 Ritorno al numero
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