Kiniksa preps BLA as Re­gen­eron drug cruis­es to a PhI­II win — shares soar

Kiniksa made a mod­est $5 mil­lion cash bet on Re­gen­eron’s Ar­c­a­lyst (rilona­cept) back in 2017. The start­up forged a pact to use the drug, which tar­gets IL-1α and IL-1β, and see how it works against re­cur­rent peri­cardi­tis, agree­ing to split any prof­its to come while putting an­oth­er $27 mil­lion in mile­stones up for grabs.

And the wa­ger paid off hand­some­ly to­day, as the biotech’s stock surged on their re­port of a Phase III suc­cess that sets up a near-term FDA ap­pli­ca­tion. The drug has al­ready won the FDA’s break­through drug des­ig­na­tion here, height­en­ing ex­pec­ta­tions of a reg­u­la­to­ry suc­cess.

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