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Combined Use of Angiography, Optical Coherence Tomography and Intravascular Ultrasound in Evaluation of Pulmonary Vascular Structure and Function in Patients With Pulmonary Arterial Hypertension Treated With Oral Bosentan

This study has been withdrawn prior to enrollment.
(Due to complex study protocol, no patients have been enrolled in the study.)
ClinicalTrials.gov Identifier:
First Posted: January 12, 2012
Last Update Posted: February 13, 2014
The safety and scientific validity of this study is the responsibility of the study sponsor and investigators. Listing a study does not mean it has been evaluated by the U.S. Federal Government. Read our disclaimer for details.
Information provided by (Responsible Party):
Ik-Kyung Jang, MD, PhD, Massachusetts General Hospital
No Study Results Posted on ClinicalTrials.gov for this Study
Study was withdrawn before participants were enrolled.
  Study Status: This study has been withdrawn prior to enrollment.
  Study Completion Date: February 2014
  Primary Completion Date: February 2014 (Final data collection date for primary outcome measure)