- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT03611153
MPO Inhibitor A_Zeneca for HFpEF
January 24, 2023 updated by: Barry Borlaug, Mayo Clinic
Hemodynamic Effects of a Novel Myeloperoxidase Inhibitor With Exercise in Heart Failure With Preserved Ejection Fraction - A Randomized, Double-Blind, Placebo Controlled Proof of Principle Study
Researchers are studying the effect of a single dose of oral myeloperoxidase on heart failure versus placebo.
Study Overview
Status
Completed
Conditions
Intervention / Treatment
Detailed Description
Enroll subjects with a normal ejection fraction referred to the catheterization laboratory for evaluation of breathlessness or shortness of breath.
Perform safety lab sampling, echocardiography, arterial tonometry for pulse wave analysis, and assessment of endothelial function prior to administration of study drug.
During the catheterization researchers will perform blood draws, assess baseline exercise capacity at rest and during exercise.
Researchers will also do an echocardiogram to take measurements of the heart.
Subjects will be randomized to one of two groups, Oral Myeloperoxidase Inhibitor or placebo group.
Study drug or placebo will be administered followed by a repeat of the baseline catheterization assessments.
At the conclusion of the second exercise test the subject will be moved to a room and monitored overnight for safety.
Repeat blood draws, echocardiogram, endothelial function test, and heart monitoring will be completed.
The subject will be asked to follow up with the researchers between 9-14 days after the study drug dosage.
The subjects history and blood work will be completed at that visit.
Study Type
Interventional
Enrollment (Actual)
30
Phase
- Phase 2
- Phase 1
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
-
-
Minnesota
-
Rochester, Minnesota, United States, 55905
- Mayo Clinic in Rochester
-
-
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
30 years and older (Adult, Older Adult)
Accepts Healthy Volunteers
No
Genders Eligible for Study
All
Description
Inclusion Criteria:
- Males and females of non-childbearing potential
- Age ≥ 30 years
- Symptoms of dyspnea (II-IV) at the time of screening
- EF ≥ 50% as determined on imaging study within 12 months of enrollment
- Catheterization documented elevated filling pressures at rest (PCWP ≥15) or with exercise (PCWP ≥25)
Exclusion Criteria:
- Use of nitrates, phosphodiesterase 5 inhibitors or other NO-providing therapy in the past 24 hours of screening
- Significant valvular disease (>moderate left-sided regurgitation, >mild stenosis)
- Requirement of intravenous heparin at the start of case
- Severe pulmonary parenchymal disease
- Acute coronary syndrome or coronary disease requiring revascularization in the judgement of investigators
- Resting systolic blood pressure < 100 mmHg
- Constrictive pericarditis
- Infiltrative, restrictive, or hypertrophic obstructive cardiomyopathies
- Previous anaphylaxis to any drug
- Pregnancy or breastfeeding mothers
- High Output heart failure
- Active thyroid disease
- Treatment with a new chemical entity (defined as a compound which has not been approved for marketing) within the preceding 3 months
- Patients with any prior allergy to propylthiouracil
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: Treatment
- Allocation: Randomized
- Interventional Model: Parallel Assignment
- Masking: Double
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Placebo Comparator: Placebo
Patient may take 30 mg of placebo oral capsule following baseline right heart catheterization.
|
A single administration dose of 30 mg placebo given orally following baseline, resting and exercise testing in patients during right heart catheterization.
|
Experimental: AZD4831 Oral myeloperoxidase inhibitor
Patient may take 30 mg of oral myeloperoxidase inhibitor following baseline right heart catheterization.
|
A single administration dose of 30 mg oral MPO inhibitor given orally following baseline, resting and exercise testing in patients during right heart catheterization.
Other Names:
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Exercise Pulmonary capillary wedge pressure (PCWP)
Time Frame: Baseline
|
Exercise PCWP values at 20 Watt workload.
Measured in mmHg.
Normal values are 4-12 mmHg
|
Baseline
|
Exercise Pulmonary capillary wedge pressure (PCWP)
Time Frame: 30min
|
Exercise PCWP values at 20 Watt workload.
Measured in mmHg.
Normal values are 4-12 mmHg
|
30min
|
Collaborators and Investigators
This is where you will find people and organizations involved with this study.
Sponsor
Investigators
- Principal Investigator: Barry A Borlaug, M.D., Mayo Clinic
Publications and helpful links
The person responsible for entering information about the study voluntarily provides these publications. These may be about anything related to the study.
Helpful Links
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 (Actual)
July 1, 2018
Primary Completion (Actual)
February 11, 2022
Study Completion (Actual)
February 24, 2022
Study Registration Dates
First Submitted
July 26, 2018
First Submitted That Met QC Criteria
July 31, 2018
First Posted (Actual)
August 2, 2018
Study Record Updates
Last Update Posted (Estimate)
January 26, 2023
Last Update Submitted That Met QC Criteria
January 24, 2023
Last Verified
January 1, 2023
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- 17-002907
- UL1TR000135 (U.S. NIH Grant/Contract)
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
No
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Yes
Studies a U.S. FDA-regulated device product
No
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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