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STUDY BASICS

Are you planning to have a right heart catheterization or did you have one in the past 6 months? You may be able to take part in a research study to find out more about how the microbiome (microorganisms that live within our bodies) interacts with other substances in the body, and the role the microbiome plays in the development of pulmonary hypertension with heart failure. Compensation provided.


STUDY PURPOSE
The microbiome is the community of bacteria and microscopic organisms that live within our bodies. Research shows that the microbiome may interact with other substances in our bodies to cause certain diseases, like pulmonary hypertension. Pulmonary hypertension, or high blood pressure in the arteries of the lungs, is a condition in which a person’s arteries thicken and the blood does not flow as well as it should. When this happens, the heart must work harder to pump blood through the lungs. Some cases of pulmonary hypertension can lead to serious health problems, such as heart failure. The purpose of this study is to find out how the microbiome of the mouth and gut interacts with a substance called nitrate, and learn more about the role it plays in the development of pulmonary hypertension with heart failure. Nitrate is a naturally occurring chemical found in soil, water, many healthy fruits and vegetables, and even our own bodies. Researchers hope their findings will lead to better ways to prevent and treat pulmonary hypertension with heart failure in the future.
COULD THIS STUDY BE RIGHT FOR YOU?
  • Ages 18 and up
  • Planning to have a right heart catheterization, or had one in the last 6 months at UPMC Presbyterian Cath Lab
  • No antibiotics or immune suppressing drugs (oral prednisone, chemotherapy, etc.) in the last 3 months
  • No history of chronic liver or kidney disease
  • Not pregnant or breastfeeding
  • Do NOT need to have pulmonary hypertension with heart failure (PH-HFpEF)

WHAT PARTICIPANTS CAN EXPECT
Participation involves at least 2 visits to UPMC Montefiore Hospital. A small group of participants will be asked to come in for a 3rd visit. Study procedures include a physical exam, questionnaires, following a special diet for 7 days, providing saliva, blood, urine and stool samples, and receiving a supplement and a single dose of the study drug, sodium nitrate, by mouth. Nitrate is not FDA approved for the purposes of this study.
IRB:
  PRO16090149 - An Open Label Study of Oral Nitrate in Adults with Pulmonary Hypertension with Heart Failure and Preserved Ejection Fraction and Normal Healthy Adults

RESEARCH AREAS:
  Healthy Volunteer

Age Range
AGE:   18 and Up

Duration DURATION:  About 1 week
VISITS:  2-3 visits

Location LOCATION: 
UPMC Montefiore Hospital
Compensation COMPENSATION: 

Up to $125

Phone Number PHONE NUMBER:
1-866-438-8230
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Phone Number PHONE NUMBER:
1-866-438-8230

MEET THE RESEARCHER


Alison Morris

Alison Morris, MD, MS, is a Professor of Medicine, Immunology, and Clinical and Translational Research in the Department of Medicine at the University of Pittsburgh. A graduate of Duke University (MD) and the University of Pittsburgh (MS), Dr. Morris’ research interests include HIV-associated lung disease and the role of the microbiome in disease.




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