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Pulmonary Arterial Hypertension Pre-Screener
  1. Answer the questions  
Are you at least 18 years old?
Have you been diagnosed with Pulmonary Arterial Hypertension?
Are you pregnant or a nursing mother?
Do you have persistent symptoms due to Pulmonary Arterial Hypertension?
Do you have a history of drug or alcohol abuse in the past twelve months?
Do you have a history of immunodeficiency diseases, including a positive HIV test result?
Have you had more than one unplanned hospital admission for the treatment of Pulmonary Arterial Hypertension within the past three months?
Do you have moderate or severe hepatic (relating to the liver) impairment?
Have you participated in any other drug studies within the past 30 days?
Do you have a history of moderate or severe asthma?
  2. Choose study site  
  step 2 content  
  Crystal KOL2 Crystal KOL trial - PI Email
  eRecruitment Crystal KOL - Thank You Email
  trial Crystal KOL - Admin Email
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  Thank you for your interest in this clinical trial. Someone will be in touch with you shortly.  
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Thank you! Based upon your responses, you may be eligible to participate. If you are interested in participating, please contact one of the trial sites listed below.

To take the pre-screener again, please click here.

Pulmonary Arterial Hypertension Contact

This study is being conducted at clinical sites in various locations. Additional study locations may be listed in the future.

Washington University School of Medicine

Principal Investigator: Dr. Murali Chakinala

Address: 660 South Euclid Avneue, Box 8052, St Louis, MO 63110

Website contact: Susan Jones


Telephone: 314-747-3670

University of Pittsburgh School of Medicine

Principal Investigator: Dr. Marc Simons

Address: 200 Lothrop Street Pittsburgh, PA USA 15261

Website contact: Kristen Shoemaker


Telephone: 412-692-2769

Please see the links to this study on

Thank you for your interest. Based on your responses, this trial is not a match for you. There may be other studies in which you are interested. Please check for other clinical trials.

To try again, please click here.