Study Results Published in the Journal of the American Medical Association Show Amgen's Parsabiv™ (Etelcalcetide ...Yahoo Finance10, 2017 /PRNewswire/ -- Amgen (AMGN) today announced the Journal of the American Medical Association (JAMA) publication of findings from three Phase 3 studies of Parsabiv™ (etelcalcetide), an investigational intravenous calcimimetic agent in the U.S. ...and more »