- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT02220634
Regadenoson for Acute Vasoreactivity Testing in Pulmonary Hypertension (RHINO)
Study Overview
Detailed Description
Pulmonary hypertension (PH) is an increase of blood pressure in the pulmonary vascular system that could cause shortness of breath, dizziness, leg swelling and heart failure. .
The diagnosis of PH requires confirmation of elevated pulmonary pressures.. Right heart catheterization (RHC) is a procedure to determine the diagnosis of PH. .
This research study is looking at the effect of intravenous infusion of the medication Regadenoson on pulmonary vasodilator response compared to the inhaled nitric oxide (iNO) response. iNO is the current standard of care practice.
The purpose of this study is to see if Regadenoson may offer improved ease of use, single dose administration, and better tolerance for testing for pulmonary hypertension than iNO. You will be screened to make sure Regadenoson is safe for you with a clinical evaluation, blood tests, and an ECG.
You will be asked to sign this informed consent form. Then, you will undergo right heart catheterization as part of your clinical care. Those who are positive for pulmonary hypertension will then undergo Regadenoson infusion and a inhaled iNO. Prior to the infusion, subjects will be asked if they have had in the last 12 hours any caffeine-containing foods or beverages, caffeine-containing medications such as theophylline 12 hours prior. Vital sign measurements will be taken to measure your heart. For those subjects that have low heart volume they will be given 500 cc of normal saline in their IV. Vital sign measurements will be taken again to make sure your heart volume is in the normal range. The doctor will administer Regadenoson 0.4 mg intravenously and this will cause your heart rate to increase. The doctor will be taking heart measurements 90 seconds, 5 minutes, 10 minutes, and 20 minutes after administration. Approximately 30 minutes after the Regadenoson has been administered you will be given iNO by facemask for 5 minutes.
Study Type
Enrollment (Actual)
Phase
- Not Applicable
Contacts and Locations
Study Locations
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Colorado
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Denver, Colorado, United States, 80206
- National Jewish Health
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Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- Age 18-75 years old
Diagnosis of RHC-proven PH
- Mean pulmonary artery pressure (mPAP) > 25 mmHg
- Pulmonary vascular resistance (PVR) > 3 woods units
- Pulmonary capillary wedge pressure (PCWP) < 15 mmHg).
Exclusion Criteria:
- Second- or third-degree AV block or sinus node dysfunction
- Known hypersensitivity to adenosine or regadenoson
- Systolic blood pressure < 90mm Hg
- Active bronchospasm
Autonomic dysfunction as defined by prior diagnosis of:
- Postural Orthostatic Tachycardia Syndrome (POTS)
- Neurocardiogenic Syncope (NCS)
- Neurally Mediated Hypotension (NMH)
- Vasovagal Syncope
- Hypovolemia
- > 40% Left main coronary stenosis
- Moderate or > valvular stenosis
- Pericarditis/pericardial effusions
- > 70% carotid artery stenosis
- Positive urine pregnancy test
Study Plan
How is the study designed?
Design Details
- Primary Purpose: TREATMENT
- Allocation: NA
- Interventional Model: SINGLE_GROUP
- Masking: NONE
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
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EXPERIMENTAL: Regadenoson
Intravenous infusion of the A2A agonist regadenoson has a preferential vasodilator effect on pulmonary vasculature that is comparable to iNO, the current gold standard for pulmonary vasoreactivity studies.
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Injection for intravenous administration
Other Names:
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What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Time Frame |
---|---|
Number of people
Time Frame: 5 years
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5 years
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Collaborators and Investigators
Sponsor
Collaborators
Investigators
- Principal Investigator: Brett E Fenster, MD, National Jewish Health
Study record dates
Study Major Dates
Study Start
Primary Completion (ACTUAL)
Study Completion (ACTUAL)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (ESTIMATE)
Study Record Updates
Last Update Posted (ACTUAL)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
- Cardiovascular Diseases
- Vascular Diseases
- Respiratory Tract Diseases
- Lung Diseases
- Hypertension
- Hypertension, Pulmonary
- Physiological Effects of Drugs
- Neurotransmitter Agents
- Molecular Mechanisms of Pharmacological Action
- Purinergic Agents
- Purinergic P1 Receptor Agonists
- Purinergic Agonists
- Adenosine A2 Receptor Agonists
- Regadenoson
Other Study ID Numbers
- HS-2820
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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