<unk> (Giapreza) is a naturally occurring peptide hormone of the renin-angiotensin-aldosterone system (RAAS) that causes vasoconstriction and an increase in blood pressure that is FDA approved for the treatment of septic or other distributive shock.   Common adverse reactions include thromboembolic events.
Angiotensin II 
Prostacyclin
Aldosterone
Thromboxane
Elcatonin
Prostaglandin
Bryostatin
Synephrine