Roche drops antisense drug after seeing efficacy data, leaving Biogen, Ionis and Ultragenyx...

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via Roche has bowed out of the race to develop an antisense oligonucleotide (ASO) for Angelman syndrome. After getting a look at early efficacy data, the Swiss drugmaker opted against advancing the candidate, switching its Angelman focus to another asset and leaving the ASO space to Biogen, Ionis Pharmaceuticals and Ultragenyx.

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