To provide access to ALXN1840 treatment, an investigational medicinal product (IMP) that has not yet been granted marketing authorization, to participants who complete Studies ALXN1840-WD-205, WTX101-301, or ALXN1840-WD-302, or other studies with ALXN1840 who, in the opinion of the Treating Physician, may benefit from continued treatment with ALXN1840, and who meet the eligibility criteria described in this protocol.
This is an open-label, single-arm, multi-center EAP, designed to provide early access to ALXN1840 for eligible patients with WD.