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Tonix Pharmaceuticals Announces Publication of Phase 1 Clinical Data of TNX-1500, an Fc-Modified anti-CD40L (CD154) Monoclonal Antibody, in the Peer-Reviewed Journal of Clinical Immunology

$TNXPPress releaseMay 27, 2026, 7:00 AM ETRead the release

Tonix Pharmaceuticals published Phase 1 clinical data for TNX-1500, an Fc-modified anti-CD40L monoclonal antibody, in the Journal of Clinical Immunology. The study of 26 healthy volunteers showed TNX-1500 was well tolerated with no serious adverse events and demonstrated dose-proportional pharmacokinetics with half-lives supporting monthly dosing. TNX-1500 successfully blocked primary and secondary T cell-dependent antibody responses, validating its mechanism of action for preventing transplant rejection.

Key figures

Drug Name
TNX-1500
Phase Of Trial
Phase 1
Study subjects
26
Half life days 10mg
37.8
Half life days 30mg
33.8
Dose cohorts mg per kg
[3,10,30]
Secondary response reduction pct
70

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