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Clinical Trial Summary

A randomised, double blind, parallel group, multicentre study to compare the pharmacokinetics, pharmacodynamics, immunogenicity and safety of Rituximab (Mabscale LLC, Russia) versus MabThera® in patients with rheumatoid arthritis.


Clinical Trial Description

RIT-1/01092021 is a double-blind randomized, parallel group, multicenter clinical trial comparing pharmacokinetics, pharmacodynamics, immunogenicity and safety of Rituximab (Mabscale LLC, Russia) and MabThera® in adult patients with moderate or severe rheumatoid arthritis with insufficient response to treatment tumor necrosis factor (TNF-α) inhibitors receiving background treatment with methotrexate. The purpose of the study is to demonstrate equivalence of pharmacokinetics, pharmacodynamics, immunogenicity and safety of Rituximab (Mabscale LLC, Russia) and MabThera®. The study will take place across approximately 30 study sites in Russia in order to randomize 208 patients. Rituximab is a monoclonal antibody currently being developed by Mabscale LLC, as a proposed biosimilar to MabThera®, which is approved as treatment in case of insufficient response or toxicity to treatment tumor necrosis factor (TNF-α) inhibitors receiving background treatment with methotrexate. This randomized equivalence study is designed to meet the regulatory requirement for approval of a biosimilar product. ;


Study Design


Related Conditions & MeSH terms


NCT number NCT06175338
Study type Interventional
Source Mabscale, LLC
Contact Sofia Ermolenko, MD
Phone +74997149289
Email Ermolenko.s@benerix.ru
Status Recruiting
Phase Phase 1
Start date June 14, 2023
Completion date April 2025

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