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PHANTOM: Anastrozole in Patients with Pulmonary Arterial Hypertension

Study category: Heart and Blood Conditions

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Men and women over 18 years of age Must have been diagnosed with pulmonary hypertension by a right heart catheterization Must have PAH which is idiopathic, heritable, drug or toxin induced, associated with connective tissue disease, congenital heart disease, portal hypertension or HIV and receiving treatment for PAH Cannot be pregnant, of child bearing potential or on any hormone replacement therapy Must be able to preform a 6 min walk test Must not have a history of Breast Cancer Must not have untreated obstructive sleep apnea


II - Research Studies that gather preliminary data on whether a drug works in people who have a certain condition/disease (that is, the drug's effectiveness). For example, participants receiving the drug may be compared to similar participants receiving a different treatment, usually an inactive substance (called a placebo) or a different drug. Safety continues to be evaluated, and short-term adverse events are studied.

Type of Study



University of Colorado Hospital

Principal Investigator
Todd Bull,  MD

Todd Bull, MD

Study ID

Protocol Number: 17-0536

More information available at NCT03229499

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