Clinical Efficacy QuestionsThe Phase 3 trial met the hemoglobin endpoint but missed significance on the pain crisis measure, raising doubts about relying on that trial alone for full approval and potentially necessitating further studies.
Commercialization HeadwindsREMS certification and prior authorization processes can delay prescription fulfillment and introduce a multi-week lag before revenue recognition, slowing near-term sales realization.
Regulatory Trial UncertaintyUndisclosed specifics for the confirmatory trial design leave uncertainty about FDA expectations and create a key gating risk for regulatory approval.