By InvitationNot Applicable

Fractional Flow Reserve and Instantaneous Free-wave Ratio Revascularization Strategies in Women

United States500 participantsStarted 2019-04-19

Plain-language summary

A real world study to evaluate outcomes in women based on guideline identified fractional flow reserve (FFR) and instantaneous wave-free ratio (iFR) cutoffs for ischemia (ischemia defined as FFR ≤ 0.80 and iFR ≤ 0.89).

Who can participate

Age range

18 Years

Sex

FEMALE

See this in plain English?

AI-rewrites the medical criteria so a patient or caregiver can understand them. Always confirm with the trial site.

Inclusion criteria

. Female ≥ 18 years old at signing of informed consent
. Suspected myocardial ischemia or acute coronary syndrome
. Indication for non-invasive perfusion imaging study
. Indication for diagnostic catheterization
. Eligible for PCI
. Signed informed clinical procedural consent by subject or by surrogate

Exclusion criteria

. Inability to receive adenosine or regadenoson (for example, severe reactive airway disease, marked hypotension, or advanced atrioventricular block without pacemaker.

Questions worth asking your doctor

Bring these to your next appointment. They're a starting point for a shared conversation — not a sign you qualify or a recommendation to enrol.

1Based on my diagnosis and history, is this trial worth exploring for me — or is there a standard treatment we should try first?
2What does this trial's phase tell us about how much is already known about its safety and benefit?
3What would taking part actually involve for me — visits, tests, time, and travel?
4What are the known and possible risks or side effects I should weigh, and how would they be monitored?
5If this trial isn't the right fit, what other options or trials would you suggest I look into?

Generated to help you prepare — always confirm anything about your own eligibility and care with the study team and your doctor.

Questions for the trial coordinator

The trial coordinator is the person who runs the study day to day. These cover the practical side — logistics, costs, and what taking part would actually mean for your life. The study team confirms whether you meet the criteria; these are questions to ask, not a sign you qualify.

1What does taking part actually involve week to week — how many visits, where, and how long does each one take?
2What costs are covered by the study, and what might I have to pay for myself, including travel, parking, or time off work?
3What happens during screening, and what happens if the study team confirms I don't meet the criteria after those tests?
4Who pays for the scans, blood work, and other tests the trial requires — the study, my insurance, or me?
5How will being in the trial affect my regular care, and will my own doctor stay informed and involved?
6Can I leave the trial at any point if I change my mind, and what would happen to my care if I do?

A starting point for the conversation — always confirm anything about your own eligibility, costs, and care with the study team and your doctor.

What they're measuring

Repeat revascularization

Timeframe: 5 years

Non-fatal myocardial infarction

Timeframe: 5 years

Non-fatal stroke

Timeframe: 5 years

Cardiovascular death

Timeframe: 5 years

Trial details

NCT IDNCT04599192

SponsorYale University

Sponsor typeOTHER

Study typeOBSERVATIONAL

Primary completion2026-04-10

View on ClinicalTrials.gov More Coronary Disease trials

Who can participate

Age range

18 Years

Sex

FEMALE

See this in plain English?

AI-rewrites the medical criteria so a patient or caregiver can understand them. Always confirm with the trial site.

Inclusion criteria

. Female ≥ 18 years old at signing of informed consent
. Suspected myocardial ischemia or acute coronary syndrome
. Indication for non-invasive perfusion imaging study
. Indication for diagnostic catheterization
. Eligible for PCI
. Signed informed clinical procedural consent by subject or by surrogate

Exclusion criteria

. Inability to receive adenosine or regadenoson (for example, severe reactive airway disease, marked hypotension, or advanced atrioventricular block without pacemaker.