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A Phase I/II, Multicenter, Open-Label, Single-Dose, Dose-Ranging Study to Assess the Safety and Tolerability of ST-920, an AAV2/6 Human Alpha Galactosidase A Gene Therapy in Subjects with Fabry Disease

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A Phase I/II, Multicenter, Open-Label, Single-Dose, Dose-Ranging Study to Assess the Safety and Tolerability of ST-920, an AAV2/6 Human Alpha Galactosidase A Gene Therapy in Subjects with Fabry Disease

Dose-Ranging Study of ST-920, an AAV2/​6 Human Alpha Galactosidase A Gene Therapy in Subjects With Fabry Disease (STAAR)

ClinicalTrials.gov ID NCT04046224

Sponsor Sangamo Therapeutics

Information provided by Sangamo Therapeutics (Responsible Party)

Last Update Posted 2024-05-09

Study Overview

This is the first in human treatment with ST-920, a recombinant AAV2/6 vector encoding the cDNA for human a-Gal A. The purpose of this study is to evaluate the safety and tolerability of ascending doses of ST-920. ST-920 aims to provide stable, long-term production of α-Gal A at therapeutic levels in subjects with Fabry disease. The constant production of α-Gal A in humans should, importantly, enable reduction and potentially clearance of Fabry disease substrates Gb3 and lyso-Gb3. On Day 1, patients will be infused intravenously with a single dose of ST-920 and followed for a period of 52 weeks.