Seattle Genetics CEO Clay Siegall (Image: Life Science Washington)

Mer­ck’s Roger Perl­mut­ter steps up with a cash-heavy, $4.5 bil­lion deal to al­ly with Seat­tle Ge­net­ics on an un­der-the-radar ADC and new­ly-ap­proved Tukysa

While Gilead was cross­ing the last t’s and dot­ting the last i’s on their $21 bil­lion deal to buy Im­munomedics and their ADC for triple neg­a­tive breast can­cer, Mer­ck was do­ing the same for a two-pronged, $4.5 bil­lion pact with Seat­tle Ge­net­ics cov­er­ing an­oth­er ADC with the same dis­ease tar­get in mind.

The new Mer­ck deals are freight­ed with a chart-top­ping load of close to $1.9 bil­lion in cash, a rare sight at Mer­ck, where deals — par­tic­u­lar­ly for ex­per­i­men­tal drugs —  tend to run on the small side for one of the biggest R&D groups in bio­phar­ma.

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