Bluebird Bio (NASDAQ: BLUE) stock got off to a roaring start on Monday, trouncing the S&P 500 index with a nearly 8% gain. The market was cheered by a clinical update and the potential for a new regulatory application in the near future.

On Saturday at a healthcare conference, Bluebird presented recent data on its gene therapies for beta-thalassemia and sickle cell disease (SCD).

The former, Zynteglo, produced transfusion independence for 41 participants in the 63-person set of phase 3 clinical trials. Beta thalassemia is an inherited blood disorder in which the body produces less hemoglobin than usual. Additionally, testimonials from three years after treatment indicate that 93% of those recipients were able to work, well above the 67% baseline. All participants reported overall improvement from the medication.

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Source Fool.com