Overview Study of Nesiritide in Diastolic Heart Failure. Status: Completed Trial end date: 2003-12-01 Target enrollment: Participant gender: Summary We hypothesize that nesiritide will have favorable effect in decreasing heart filling pressures and echocardiogram studies. Phase: Phase 1/Phase 2 Details Lead Sponsor: Massachusetts General HospitalCollaborator: Scios, Inc.Treatments: Natriuretic Peptide, Brain