Pictilisib (GDC-0941, RG7321) is a potent inhibitor of PI3K?/? with IC50 of 3 nM in cell-free assays, with modest selectivity against p110? (11-fold) and p110? (25-fold). Pictilisib (GDC-0941) induces autophagy and apoptosis. Phase 2. *For Research & Development use only. Product is not intended for drug, household, or human consumption.