Al­ny­lam makes RNAi his­to­ry again as patisir­an gets ap­proved in Eu­rope; Ver­tex buys in­to UK-based ma­chine learn­ing group

→ Just days af­ter Al­ny­lam land­ed a his­toric FDA OK on patisir­an — and quick­ly launched it as On­pat­tro — the Eu­ro­pean Com­mis­sion has come through with its own mar­ket­ing au­tho­riza­tion. The drug, which treats hered­i­tary AT­TR amy­loi­do­sis by si­lenc­ing mes­sen­ger RNA and block­ing the pro­duc­tion of TTR pro­tein, is the first RNAi ther­a­py to be ap­proved in Eu­rope. It’s al­so a like­ly block­buster-to-be, with Clar­i­vate peg­ging 2022 pro­ject­ed sales at $1.21 bil­lion even though the dis­ease af­flicts on­ly about 30,000 peo­ple world­wide. In­ot­ersen, a ri­val prod­uct from Akcea and Io­n­is, was ap­proved in Eu­rope in Ju­ly.

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