FDA restricts bluebird bio’s Skysona to CALD patients without suitable stem cell donors after higher blood cancer risk emerges

FDA; bluebird bio; Skysona; elivaldogene autotemcel; eli-cel; cerebral adrenoleukodystrophy; CALD; hematologic malignancies; myelodysplastic syndrome (MDS); acute myeloid leukemia (AML); boxed warning; label update; postmarketing safety; HLA-matched donor; gene therapy safety

FDA tightens Skysona label, restricting use to CALD patients without alternative options due to increased blood cancer risk

FDA; bluebird bio; Skysona; elivaldogene autotemcel; labeling changes; boxed warning; hematologic malignancy; myelodysplastic syndrome; acute myeloid leukemia; cerebral adrenoleukodystrophy; CALD; HLA‑matched donor; gene therapy safety; post‑marketing reports