Question · Q3 2025
Thomas asked what specific data or outcomes would be needed from the fourth cohort of UX701 in Wilson disease to confidently advance the 4 x 10^13 vg/kg dose into future studies.
Answer
Emil Kakkis, CEO and President, stated the goal is to see a substantial and compelling effect in the majority of patients, aiming to enhance this fraction by increasing the dose. Eric Crombez, Chief Medical Officer, emphasized the need for the majority of patients to come off standard of care (chelators and zinc). He noted that changes in the immunomodulation program are expected to be additive or synergistic with the increased dose, and multiple copper measurements will aid in decision-making.
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