What if you could let go of transfusions?

For adult and pediatric patients with beta-thalassemia who require regular red blood cell (RBC) transfusions, ZYNTEGLO® is a one-time gene therapy that gives patients the potential to achieve transfusion independence.1

In two phase 3, open-label, single-arm studies, 89% (n=32/36; 95% CI: 74, 97) of patients* achieved transfusion independence.1†

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Call my bluebird support at 1-833-888-NEST (6378), Monday–Friday, 8 AM–8 PM ET to locate a treatment center and learn more about educational resources, insurance coverage, and support for ZYNTEGLO.

*The phase 3 studies evaluated the efficacy of ZYNTEGLO in 41 patients aged 4 to 34 years. Of those 41 patients, 36 were evaluable for transfusion independence.

Transfusion independence: a weighted average Hb ≥9 g/dL without any packed red blood cell transfusions for a continuous period of ≥12 months at any time during the study after ZYNTEGLO infusion. CI = confidence interval.

What if you could let go of
transfusions?

Actor portrayals.
Beta-thalassemia transfusion independence Beta-thalassemia transfusion independence Beta-thalassemia transfusion independence

Who is ZYNTEGLO for?

ZYNTEGLO is for patients with beta-thalassemia who require regular RBC transfusions.1
Made using the patient's
own stem cells.1
Studied in both adult and
pediatric patients.1
Assessed across all genotypes
00 and non-β00).1
In the phase 3 studies, the safety and efficacy of ZYNTEGLO were studied in patients aged 4–34 years.


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  • agree for bluebird bio, Inc. and companies working on behalf of bluebird bio, Inc., to use the information provided on this form to stay in contact with you for marketing and educational purposes and/or provide information about products, and other activities from bluebird bio, Inc.
    • Your privacy is important to us. For more information on how bluebird bio, Inc. will use, store, and protect the personal information provided through this form and collected on this website, please read our Privacy Policy
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