Pharmaceutical Significant research news last week included US biotech CytomX Therapeutics releasing positive new data on its colorectal cancer candidate varsetatug masetecan (VarsetaM). Pfizer reported encouraging data on its investigational breast cancer drug atirmociclib, which could be a successor for its Ibrance, and Eli Lilly posted new Phase III data on its diabetes candidate retatrutide. Also of note, Johnson & Johnson and Protagonist’s gained US Food and Drug Administration (FDA) approval for their plaque psoriasis drug Icotyde (icotrokinra). 22 March 2026