Bluebird Bio Wins European Approval for Beta Thalassemia Gene Therapy

Bluebird Bio’s one-time gene therapy, Zynteglo, has been cleared by E.U. regulators for the treatment of beta thalassemia in patients aged 12 and older. Zynteglo is a LentiGlobin therapy, through which mobilized autologous CD34-positive cells are obtained from patients and transduced ex vivo with the LentiGlobin BB305 vector, which encodes adult hemoglobin (HbAT87Q). Patients undergo conditioning with busulfan, then modified cells are re-infused.

The single-dose treatment, which aims to eliminate or substantially reduce a patient’s need for blood transfusions, will initially be administered to 2,500 patients across Germany, Italy, the U.K., and France.

In a value- and outcome-based payment model, Bluebird Bio set the price for the gene therapy at €1.575 million, or approximately $1.78 million. This amount is payable in installments of €315,000 ($356,600) over five years, and payments are made only if the treatment proves successful.

Bluebird Bio continues to develop the therapy for the treatment of sickle cell anemia.

Source: STAT, June 3, 2019; Bloomberg, June 3, 2019.

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