A Double-Blind, Placebo-Controlled, Randomized Phase III Study of Ipatasertib in Combination With Paclitaxel as a Treatment for Patients With PIK3CA/AKT1/PTEN-Altered, Locally Advanced or Metastatic, Triple-Negative Breast Cancer or Hormone Receptor-Positive, HER2-Negative Breast Cancer (HR+ ARM CLOSED)

• Triple negative cancer of the breast, locally advanced or metastatic not amenable to curative resection
• ECOG PS 0-1
• Valid results from central molecular analysis confirming PIK3CA/AKT1/PTEN-altered status by NGS
  • AKT1 missense mutations at E17, L52, or Q79
  • PIK3CA missense mutations at R88, G106, K111, G118, N345, C420, E453, E542, E545, Q546, M1043, H1047, or G1049
  • PTEN homozygous deletion, dominant negative short variant (C124S, G129E, or R130X), less of heterozygosity with copy number 1, double hit 
• No known brain mets
• No prior cancers within 5 years
• No known HIV
• No cirrhosis
• No active steroid use (> or = 10mg prednisone/daily)
• No clinically significant cardiac dysfunction including EF<50%
• No insulin dependent diabetes
• No Grade >=2 uncontrolled or untreated hyperlipidemia/hypertriglyceridemia

Primary- PFS: Secondary- ORR, DoR, CBR, OS, QoL, Safety, PK