The GATEWAY trial is a multi-center, non-randomized, open-label, Phase 1/2 clinical trial designed to assess the safety, tolerability and pharmacological activity of a single intravenous infusion of VTX-801 in adult patients with Wilson disease, prior to and following background WD therapy withdrawal.
Multiple leading centers in the United States and Europe are participating in the GATEWAY Phase 1/2 trial. The trial is expected to enroll up to sixteen adult patients with Wilson disease and will evaluate up to three doses of VTX-801. Patients will participate in a pre-dosing observational period and will be administered a prophylactic steroid regimen.
The primary endpoint of the GATEWAY trial is to assess the safety and tolerability of VTX-801 at 52 weeks after a single infusion. Additional endpoints include changes in disease-related biomarkers, including free serum copper and serum ceruloplasmin activity, as well as radiocopper-related parameters and VTX-801 responder status to allow standard-of-care withdrawal.
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