- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT00204945
Catheterization Laboratory Study: Acute Responses in Diastolic Heart Failure
February 6, 2019 updated by: University of Wisconsin, Madison
Acute Responses in Diastolic Heart Failure
- Research question: What is the response of the heart's pumping function to changes in heart chamber pressures?
- Experimental design: Patients undergoing routine cardiac catheterization will be studied. A thermodilution pulmonary artery catheter will be inserted through a venous sheath and threaded into the pulmonary artery. After several minutes of quiet rest, baseline hemodynamics will be obtained, including a determination of cardiac output using thermodilution techniques and 30 seconds of pressure recordings from the left ventricle and proximal aorta. In addition, a brief echocardiogram will be performed, to determine ejection fraction and indices of diastolic filling. Finally, arterial tonometry will be obtained in quick succession from the brachial, radial, femoral, and carotid arteries. Following the collection of baseline data, a bolus and infusion of nesiritide will be started. After 10 minutes of nesiritide infusion, with the drug still infusing, a full set of invasive hemodynamics will again be obtained, as well as brief echocardiographic and arterial tonometry examinations.
Study Overview
Study Type
Interventional
Enrollment (Actual)
15
Phase
- Not Applicable
Contacts and Locations
This section provides the contact details for those conducting the study, and information on where this study is being conducted.
Study Locations
-
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Wisconsin
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Madison, Wisconsin, United States, 53792
- University of Wisconsin Hospital and Clinics
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-
Participation Criteria
Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.
Eligibility Criteria
Ages Eligible for Study
18 years to 90 years (Adult, Older Adult)
Accepts Healthy Volunteers
No
Genders Eligible for Study
All
Description
Inclusion Criteria:
- Cardiac catheterization
Exclusion Criteria:
- Unstable coronary syndrome,
- Critical coronary stenoses (>90%),
- Severe peripheral vascular disease,
- Symptomatic hypotension at completion of routine diagnostic cath,
- Significant valvular disease, resting heart rate >120 beats/min,
- Ejection fraction <45%,
- Presence of contraindications to nesiritide administration,
- Any evidence of clinical instability.
Study Plan
This section provides details of the study plan, including how the study is designed and what the study is measuring.
How is the study designed?
Design Details
- Primary Purpose: Health Services Research
- Allocation: Non-Randomized
- Interventional Model: Single Group Assignment
- Masking: None (Open Label)
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Time Frame |
---|---|
arterial tonometry
Time Frame: following catheterization, then following 10 minutes of nesiritide infusion
|
following catheterization, then following 10 minutes of nesiritide infusion
|
Collaborators and Investigators
This is where you will find people and organizations involved with this study.
Sponsor
Collaborators
Investigators
- Principal Investigator: Nancy K Sweitzer, MD PhD, University of Wisconsin, Madison
Study record dates
These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.
Study Major Dates
Study Start
February 1, 2005
Primary Completion (Actual)
June 20, 2007
Study Completion (Actual)
June 20, 2007
Study Registration Dates
First Submitted
September 13, 2005
First Submitted That Met QC Criteria
September 13, 2005
First Posted (Estimate)
September 20, 2005
Study Record Updates
Last Update Posted (Actual)
February 8, 2019
Last Update Submitted That Met QC Criteria
February 6, 2019
Last Verified
February 1, 2019
More Information
Terms related to this study
Keywords
Additional Relevant MeSH Terms
Other Study ID Numbers
- 2001-496
- K23 AGO01022
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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