Trial of Iloprost Inhaled Solution as Add-On Therapy With Bosentan in Subjects With Pulmonary Arterial Hypertension (PAH)

Columbia University Medical Center, New York

University of Pittsburgh, Pittsburgh

Johns Hopkins University, Baltimore

Duke University Medical Center, Durham

University of Alabama at Birmingham, Birmingham

Vanderbilt University Medical Center, Nashville

University of Michigan, Ann Arbor

Mayo Clinic, Rochester

Rush Heart Institute, Center for Pulmonary Heart Disease, Chicago

Baylor College of Medicine, Houston

The Children's Hospital, Denver

University of Colorado HSC, Denver

Latter Day Saints Hospital, Salt Lake City

Harbor-UCLA Medical Center, Torrance

UCSD Medical Center, La Jolla

UCSF Medical Center, San Francisco

Stanford University Medical Center, Palo Alto