FDA Approves Once-Weekly Product for Hemophilia AThe new product, efanesoctocog alfa (Altuviiio), is a long-acting factor VIII replacement that needs to be given only once weekly. FDA Approvalsadminfebrero 25, 2023Uncategorized The new product, efanesoctocog alfa (Altuviiio), is a long-acting factor VIII replacement that needs to be given only once weekly. FDA Approvals