palbociclib,letrozole,rucaparib
pfizer,merck,clovis oncology
['palbo', 'ovarian', 'palbociclib', 'paloma-2', 'mbc']
some studies from #asco22:
1/4 (athena) rucaparip maintenance in ovarian cancer significantly prolonged pfs. (paloma-2) hr+/her2-, mbc, first-line palbociclib does not prolong os. 
Medical Oncologist