Carsten Brunn, Selecta Biosciences CEO

Has Se­lec­ta found a way around gene ther­a­py's de­liv­ery prob­lem? Take­da puts down $1B-plus to find out

While gene ther­a­pies were tra­di­tion­al­ly thought of as one-and-done treat­ments, sci­en­tists now see a ben­e­fit in re­dos­ing pa­tients down the road. The on­ly prob­lem? Some pa­tients mount an im­mune re­sponse to the ade­no-as­so­ci­at­ed virus­es (AAV) used to de­liv­er the ther­a­pies.

It’s one of gene ther­a­py’s most press­ing is­sues, and a raft of com­pa­nies are work­ing on non-vi­ral de­liv­ery meth­ods to get around it. But Se­lec­ta Bio­sciences thinks it’s found an­oth­er way to tamp down the body’s im­mune re­sponse — and Take­da is ready to dole out more than $1 bil­lion to get in on the ac­tion.

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