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Clinical Trial Details — Status: Recruiting

Administrative data

NCT number NCT05491668
Other study ID # 2022P000479
Secondary ID
Status Recruiting
Phase
First received
Last updated
Start date October 11, 2022
Est. completion date October 2024

Study information

Verified date June 2023
Source Beth Israel Deaconess Medical Center
Contact Eric Osborn, MD, PhD
Phone 617-632-7452
Email eosborn@bidmc.harvard.edu
Is FDA regulated No
Health authority
Study type Observational

Clinical Trial Summary

Traditionally, the severity of a blockage (stenosis) in a coronary artery has been determined by visual angiographic assessment of the diameter of the artery at the level of a blockage compared to a normal healthy area of the same artery. With the advent of invasive physiological testing to assess coronary blood flow, multiple clinical trials have demonstrated a clinical benefit to a physiology-guided percutaneous coronary intervention (PCI) approach. However, despite this and the potential for significant variation in the interpretation of coronary artery stenosis severity by visual angiography alone to guide PCI, invasive physiologic indices remain significantly under-utilized. The purpose of this study is to investigate the physiologic significance of coronary lesions deemed angiographically severe by visual estimation that are planned for PCI. The investigators plan to perform blinded physiologic assessment pre and post PCI. The primary aim of the study is to determine whether a subset of lesions visually estimated as severe by angiography treated with stent placement/PCI may in fact not be physiologically significant when assessed invasively, and thus PCI could safely be deferred in these patients. A secondary aim is to evaluate physiologic assessment post PCI to detect residual ischemia that could be utilized to optimize stent placement.


Description:

Invasive physiological assessment via both resting and hyperemic indices has been shown to correlate with clinical outcomes in multiple controlled clinical trials. The traditional approach for the use of physiologic assessment has been in the context of angiographic intermediate lesions, defined as a stenosis between 40-70% stenosis by visual assessment, however it is plausible it could also be used in the context of coronary artery stenosis deemed severe (>70%) by visual assessment given the clear limitations to an angiography approach alone. A subgroup analysis of the Fractional Flow Reserve Versus Angiography in Multivessel Evaluation (FAME trial) suggested that only 80% of the lesions deemed significant (70-90% diameter stenosis) by angiography were also flow limiting by invasive physiology. Recent studies have further revealed that the role of physiologic assessments can be expanded to optimize the results after PCI by detecting residual ischemia both in the form of diffuse and focal lesions. With advances in technology in recent years, the current generation of coronary pressure-sensing wires now exhibit performances similar to that of traditional work-horse wires. This, coupled with the advent of non-hyperemic pressure ratio (NHPR) metrics which allow rapid invasive coronary physiology measurements within seconds without the cost and potential side effects of adenosine administration associated with traditional hyperemic physiology measures, now offers the capability to routinely perform physiology guided PCI approach for visually severe lesions. REFINE-PCI is a prospective, single-center study in which participants with coronary artery stenosis deemed severe by visual angiography and planned for PCI without physiology assessment will undergo blinded invasive physiologic measurements using a coronary-pressure sensing wire pre and post PCI (OpSens OptoWire III) to assess the physiologic significance of the stenosis. Participants will also complete a health-related quality of life survey pre and 30 days post stent placement to assess for clinical change following PCI.


Recruitment information / eligibility

Status Recruiting
Enrollment 107
Est. completion date October 2024
Est. primary completion date October 2024
Accepts healthy volunteers No
Gender All
Age group 18 Years and older
Eligibility Inclusion Criteria: - Age >/= 18 years - Patient provides written informed consent - Clinical presentation with stable coronary artery disease or acute coronary syndromes (unstable angina, Non-ST Elevation Myocardial Infarction (NSTEMI), or ST Elevation Myocardial Infarction (STEMI)) - Scheduled for clinically indicated cardiac catheterization - At least one lesion with angiographic severity visually estimated to be >/= 70% diameter stenosis that is deemed suitable for PCI - The operator plans to perform PCI on an ad hoc or planned basis - The target lesion is not planned for assessment by invasive physiology Exclusion Criteria: - Failure to provide signed informed consent - Culprit vessel of acute ST Elevation Myocardial Infarction (STEMI) - Culprit vessel of Non-ST Elevation Myocardial Infarction (NSTEMI) - Thrombolysis In Myocardial Infarction (TIMI) flow less than grade 3 at baseline or visible thrombus - Chronic total occlusion (CTO) in the target vessel - Target vessel is supplied by major collaterals or supplies major collaterals to a CTO - Target lesion involves the left main coronary artery - Prior history of coronary artery bypass grafting (CABG) to the target vessel, except if bypass graft is occluded - Previously known untreated severe valvular heart disease - Previously known left ventricular ejection fraction <30% - Sustained ventricular arrhythmias - Patients who are currently pregnant (pregnancy testing will be performed as per standard cardiac catheterization laboratory protocol)

Study Design


Related Conditions & MeSH terms


Intervention

Diagnostic Test:
Non-hyperemic pressure ratio assessment pre and post PCI
Pre and post PCI invasive physiologic assessment

Locations

Country Name City State
United States Beth Israel Deaconess Medical Center Boston Massachusetts

Sponsors (2)

Lead Sponsor Collaborator
Beth Israel Deaconess Medical Center Opsens, Inc.

Country where clinical trial is conducted

United States, 

References & Publications (5)

Collison D, McClure JD, Berry C, Oldroyd KG. A randomized controlled trial of a physiology-guided percutaneous coronary intervention optimization strategy: Rationale and design of the TARGET FFR study. Clin Cardiol. 2020 May;43(5):414-422. doi: 10.1002/clc.23342. Epub 2020 Feb 10. — View Citation

Davies JE, Sen S, Dehbi HM, Al-Lamee R, Petraco R, Nijjer SS, Bhindi R, Lehman SJ, Walters D, Sapontis J, Janssens L, Vrints CJ, Khashaba A, Laine M, Van Belle E, Krackhardt F, Bojara W, Going O, Harle T, Indolfi C, Niccoli G, Ribichini F, Tanaka N, Yokoi H, Takashima H, Kikuta Y, Erglis A, Vinhas H, Canas Silva P, Baptista SB, Alghamdi A, Hellig F, Koo BK, Nam CW, Shin ES, Doh JH, Brugaletta S, Alegria-Barrero E, Meuwissen M, Piek JJ, van Royen N, Sezer M, Di Mario C, Gerber RT, Malik IS, Sharp ASP, Talwar S, Tang K, Samady H, Altman J, Seto AH, Singh J, Jeremias A, Matsuo H, Kharbanda RK, Patel MR, Serruys P, Escaned J. Use of the Instantaneous Wave-free Ratio or Fractional Flow Reserve in PCI. N Engl J Med. 2017 May 11;376(19):1824-1834. doi: 10.1056/NEJMoa1700445. Epub 2017 Mar 18. — View Citation

De Bruyne B, Pijls NH, Kalesan B, Barbato E, Tonino PA, Piroth Z, Jagic N, Mobius-Winkler S, Rioufol G, Witt N, Kala P, MacCarthy P, Engstrom T, Oldroyd KG, Mavromatis K, Manoharan G, Verlee P, Frobert O, Curzen N, Johnson JB, Juni P, Fearon WF; FAME 2 Trial Investigators. Fractional flow reserve-guided PCI versus medical therapy in stable coronary disease. N Engl J Med. 2012 Sep 13;367(11):991-1001. doi: 10.1056/NEJMoa1205361. Epub 2012 Aug 27. Erratum In: N Engl J Med. 2012 Nov;367(18):1768. Mobius-Winckler, Sven [corrected to Mobius-Winkler, Sven]. — View Citation

Gotberg M, Christiansen EH, Gudmundsdottir IJ, Sandhall L, Danielewicz M, Jakobsen L, Olsson SE, Ohagen P, Olsson H, Omerovic E, Calais F, Lindroos P, Maeng M, Todt T, Venetsanos D, James SK, Karegren A, Nilsson M, Carlsson J, Hauer D, Jensen J, Karlsson AC, Panayi G, Erlinge D, Frobert O; iFR-SWEDEHEART Investigators. Instantaneous Wave-free Ratio versus Fractional Flow Reserve to Guide PCI. N Engl J Med. 2017 May 11;376(19):1813-1823. doi: 10.1056/NEJMoa1616540. Epub 2017 Mar 18. — View Citation

Jeremias A, Davies JE, Maehara A, Matsumura M, Schneider J, Tang K, Talwar S, Marques K, Shammas NW, Gruberg L, Seto A, Samady H, Sharp A, Ali ZA, Mintz G, Patel M, Stone GW. Blinded Physiological Assessment of Residual Ischemia After Successful Angiographic Percutaneous Coronary Intervention: The DEFINE PCI Study. JACC Cardiovasc Interv. 2019 Oct 28;12(20):1991-2001. doi: 10.1016/j.jcin.2019.05.054. — View Citation

Outcome

Type Measure Description Time frame Safety issue
Primary The percentage of physiologically non-significant lesions observed Non-significant lesions defined as a diastolic pressure ratio (dPR) Time of procedure
Primary Correlation of the operator visual angiographic assessment of stenosis severity with quantitative coronary angiography (QCA) and resting non-hyperemic pressure resting indices (NHPR) Visual stenosis severity and QCA are numerical variables reported as percentages, and expressed as mean and standard deviation. NHPR is a numerical variable from 0 to 1, expressed as mean and standard deviation. Pearson correlation coefficient used to express correlation between two variables. Within 30 days post procedure
Primary Correlation between QCA and NHPR QCA is a numerical variable reported as a percentage, and expressed as mean and standard deviation. NHPR is a numerical variable from 0 to 1, expressed as mean and standard deviation. Pearson correlation coefficient used to express correlation between two variables. Within 30 days post procedure
Secondary Correlation of the post-PCI NHPR with burden of angina as assessed via the Seattle Angina Questionnaire at 30 days post PCI NHPR is a numerical variable from 0 to 1, expressed as mean and standard deviation. Seattle Angina Questionnaire assesses patients' physical limitations caused by angina, the frequency of and recent changes in their symptoms, their satisfaction with treatment, and the degree to which they perceive their disease to affect their quality of life. Each scale is transformed to a score of 0 to 100, expressed as mean and standard deviation. Pearson correlation coefficient used to express correlation between two variables. Day 30 post PCI
Secondary Change in angina as assessed via the Seattle Angina Questionnaire at baseline and 30 days after PCI, need for titration for anti-anginal medications, or need for repeat coronary angiography within 30 days of the procedure. Seattle Angina Questionnaire assesses patients' physical limitations caused by angina, the frequency of and recent changes in their symptoms, their satisfaction with treatment, and the degree to which they perceive their disease to affect their quality of life. Each scale is transformed to a score of 0 to 100, expressed as mean and standard deviation. Comparison of baseline and 30 days post PCI involves comparison of numerical variables and uses the Student's paired t test or Wilcoxon signed rank test. Need for titration for anti-anginal medications and need for repeat coronary angiography within 30 days of the procedure are descriptive data (Yes, No) Day 30 post PCI
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