vaccine
OBI-822/OBI-821 plus cyclophosphamide
la/mBC - HR positive 2
la/mBC - HR positive - (neo)adjuvant (NA) 3
la/mBC - HR positive - NA - PIK3CA mutant
la/mBC - HR-positive - 1st line (L1) 13
la/mBC - HR positive - L1 - PIK3CA mutant 1
la/mBC - HR-positive - 2nd line (L2) 20   
la/mBC - HR positive - L2 - all population 1
la/mBC - HR positive - L2 - PIK3CA mutant 1
Comparator:  vs chemotherapy; 
Risk of bias:  low;   some concerns;   high;  NA;