RE:RE:RE:RE:RE:AstraZeneca's ADC disappoints - on severe adverse eventsThe new timeline was the result of Pfizer withdrawing its merger notification paperwork, which it said it would refile the same day, according to Seagen. No refiling appears to have happened yet.
https://www.biopharmadive.com/news/pfizer-refile-ftc-seagen-deal-paperwork-hsr/652962/