Heart Attack Research Program- Imaging Study (HARP)
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ClinicalTrials.gov Identifier: NCT02905357 |
Recruitment Status :
Recruiting
First Posted : September 19, 2016
Last Update Posted : May 24, 2023
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Condition or disease | Intervention/treatment |
---|---|
Myocardial Infarction | Device: OCT Other: CMR |
HARP is a multi-center, observational study which enrolls men and women with MI who are referred for cardiac catheterization. Eligible participants with MINOCA (defined as no stenosis of >50% in any major epicardial vessel) will undergo optical coherence tomography (OCT) at the time of diagnostic angiography and cardiac magnetic resonance imaging (CMR).
Participants will also have the option to enroll in the HARP-Platelet Sub-Study.
Study Type : | Observational |
Estimated Enrollment : | 450 participants |
Observational Model: | Cohort |
Time Perspective: | Prospective |
Official Title: | Heart Attack Research Program- Imaging Study |
Actual Study Start Date : | July 1, 2020 |
Estimated Primary Completion Date : | June 30, 2025 |
Estimated Study Completion Date : | June 30, 2025 |

Group/Cohort | Intervention/treatment |
---|---|
MINOCA
OCT and CMR imaging
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Device: OCT
Optical Coherence Tomography (OCT): Intracoronary imaging for amount and type of plaque as well as plaque rupture, ulceration, dissection and/or thrombosis. |
MI-CAD
Screen failures with MI found to have obstructive CAD. Limited data collection for comparison to MINOCA cohort.
|
Other: CMR
Cardiac Magnetic Resonance Imaging (CMR): MRI of the heart to identify areas of infarction (damage) and/or edema (swelling). |
- Proportion of patients with MINOCA who have plaque disruption (any of the following: rupture, erosion, calcified nodule with thrombosis) [ Time Frame: 1 week ]
- Proportion of patients with MINOCA who have spontaneous coronary dissection. [ Time Frame: 1 week ]
- Proportion of patients with MINOCA who have late gadolinium enhancement and/or myocardial edema [ Time Frame: 1 week ]
- Correlation of the presence and location of myocardial abnormalities on CMR with presence and location of plaque disruption on OCT among women with MINOCA. [ Time Frame: 1 week ]
- Proportion of patients for whom an etiology can be clearly identified after combining OCT and CMR. [ Time Frame: 1 week ]
- Area under curve of clinical prediction model for plaque disruption on OCT in patients with MINOCA. [ Time Frame: 1 week ]
- Composite clinical endpoint: Death, unstable angina, stroke, recurrent MI, catheterizations and revascularization, other cardiac hospitalization. [ Time Frame: 10 years ]components of composite will also be examined
- Perceived stress [ Time Frame: 1 week ]
Biospecimen Retention: Samples With DNA

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Ages Eligible for Study: | 21 Years to 99 Years (Adult, Older Adult) |
Sexes Eligible for Study: | All |
Accepts Healthy Volunteers: | No |
Sampling Method: | Non-Probability Sample |
Inclusion Criteria:
- Acute ischemic symptoms compatible with diagnosis of MI, such as chest pain or anginal equivalent symptoms at rest or new onset exertional anginal equivalent symptoms
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Objective evidence of MI (either or both of the following):
- Elevation of troponin to above the laboratory upper limit of normal
- ST segment elevation of ≥1mm on 2 contiguous ECG leads
- Willing to provide informed consent and comply with all aspects of the protocol
- Age ≥ 21 years
Exclusion Criteria:
- Stenosis ≥50% of any major epicardial vessel on invasive angiography, as determined by the angiographer at the time of clinically ordered cardiac catheterization
- History of known obstructive coronary artery disease at angiography, including history of percutaneous coronary intervention (PCI) or coronary artery bypass grafting (CABG)
- Recent use of vasospastic agents, such as cocaine, triptans, or ergot alkaloids (≤1 month)
- Alternate explanation for troponin elevation, such as hypertensive urgency, acute exacerbation of heart failure, chronic elevation due to kidney disease, pulmonary embolism, cardiac trauma
- Coronary dissection apparent on angiography
- Excessive coronary tortuosity which, in the angiographer's opinion, increases the risks of OCT
- eGFR<45 or contraindication to additional contrast needed for OCT in the opinion of the angiographer or treating physician
- Contraindication to MRI (including but not limited to ferromagnetic implants)
- Pregnancy
- Thrombolytic therapy for STEMI (qualifying event)

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.
Please refer to this study by its ClinicalTrials.gov identifier (NCT number): NCT02905357
Contact: Harmony R Reynolds, MD | 646-501-0302 | harmony.reynolds@nyumc.org |

Principal Investigator: | Harmony R Reynolds, MD | NYU Langone Medical Center |
Responsible Party: | NYU Langone Health |
ClinicalTrials.gov Identifier: | NCT02905357 |
Other Study ID Numbers: |
16-01104-2 |
First Posted: | September 19, 2016 Key Record Dates |
Last Update Posted: | May 24, 2023 |
Last Verified: | May 2023 |
Individual Participant Data (IPD) Sharing Statement: | |
Plan to Share IPD: | Yes |
Plan Description: | De-identified data will be shared after the end of the study. |
Studies a U.S. FDA-regulated Drug Product: | No |
Studies a U.S. FDA-regulated Device Product: | No |
Myocardial Infarction Imaging |
Myocardial Infarction Infarction Ischemia Pathologic Processes Necrosis |
Myocardial Ischemia Heart Diseases Cardiovascular Diseases Vascular Diseases |