300 Longwood Avenue Boston, MA 02115 (617) 355-6000 Clinical Services (Cardiovascular Program): Pulmonary Hypertension Back to New Research & Treatments Children's Hospital Boston is a leader in the use of nitric oxide, prostacyclin analogs, endothelin antagonists and other investigational therapies to treat both secondary and primary pulmonary hypertension in children. Innovations such as these are making primary pulmonary hypertension, once presumed irreversible, a treatable and potentially curable disease. Research in this area is on-going. The information on this website should not be taken as medical advice, which can only be given to you by your personal health care professional. Copyright © Children's Hospital Boston. All rights reserved.