In Phase A, participants will obtain distinctive doses and schedules of oral ABBV-744 tablet to discover safe dosing routine. More contributors will probably be enrolled at the determined monotherapy dosign program. In Phase B, participants will get oral ruxolitinib and ABBV-744 will be supplied as "add-on" therapy. In Segment C, https://howdoesabbv-744workincanc57901.blogofchange.com/32610370/rumored-buzz-on-abbv-744-for-small-cell-lung-cancer-research