Schizophrenia.com

An Open-Label Trial of Tocilizumab in Schizophrenia


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This study is a Phase 1 clinical trail to determine the safety, tolerability, and efficacy of Tocilizumab (Actemra) as an adjunct to antipsychotic medications in stable outpatients with schizophrenia. Tocilizumab (structural formula C6428H9976N1720O2018S42) is a recombinant humanized anti-human interleukin-6 (IL-6) receptor monoclonal antibody of the immunoglobulin (Ig) IgG1 subclass. Tocilizumab is formulated as a concentrate for solution for infusion, and will be administered by intravenous infusion.

The investigators propose an 8-week trial to determine the safety, tolerability, and effectiveness of tocilizumab, given in addition to antipsychotic medications, in 10 stable outpatients with schizophrenia. The investigators hypothesize that tocilizumab will be associated with clinically significant improvement in cognition and total psychotic symptoms over the course of the trial. Tocilizumab is administered as an intravenous infusion every 4 weeks. Following a screening evaluation, participants will receive two infusions of tocilizumab, one at baseline and another at week 4 of the study. The investigators will measure changes in cognitive function and symptoms over an 8-week period. Complementing previous positive clinical trials of non-steroidal anti-inflammatory drugs, this would be a “proof-of-concept” study that targeting specific cytokines is a viable treatment for schizophrenia.

Wondered whether anyone had heard of this.