Karyopharm lines up $150 mil­lion cash in­jec­tion to back con­tro­ver­sial drug launch

Karyopharm has en­tered in­to a roy­al­ty agree­ment worth up to $150 mil­lion to back the launch of their mul­ti­ple myelo­ma drug — re­cent­ly ap­proved by the FDA over the ob­jec­tions of a ma­jor­i­ty of the agency’s out­side ex­perts.

The deal with Health­Care Roy­al­ty Part­ners, worth $75 mil­lion now and $75 mil­lion once cer­tain reg­u­la­to­ry and com­mer­cial mile­stones have been reached, will fund the com­mer­cial­iza­tion of Karyopharm’s oral SINE com­pound Xpovio (se­linex­or) for pa­tients with mul­ti­ple myelo­ma who have al­ready had at least four pri­or ther­a­pies. The mon­ey will help Karyopharm as it mar­kets its new­ly ap­proved drug and push­es through clin­i­cal tri­als test­ing the drug on re­frac­to­ry mul­ti­ple myelo­ma pa­tients with one to three ther­a­pies and pa­tients with treat­ment-re­sis­tant dif­fuse large B-cell lym­phoma. It will give Karyopharm a cush­ion through mid-2021.

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