Comparative study of FFR and dPR

Comparative study of Fractional Flow Reserve (FFR) and Diastolic Pressure Ratio (dPR) using a guide wire with a sensor and a monitor for measuring intravascular pressure

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-jRCTs042200015

Enrollment

100

Registered

2020-06-03

Start date

2020-06-03

Completion date

Unknown

Last updated

2026-06-29

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Ischemic heart Disease Ischemic heart disease

Interventions

Prevention / examination / inspection

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Patients who have coronary artery disease and may have a visually moderate stenosis (50-75% and less than 40 mm lesion length) in the main coronary arteries by coronary angiography

Exclusion criteria

Exclusion criteria: Patients whose measurement target is a lesion that cannot deliver the device under study to the area 3.5 cm beyond the target lesion

Design outcomes

Primary

Measure	Time frame
Correlation coefficient between FFR and dPR	—

Secondary

Measure	Time frame
Correlation coefficient of FFR and dPR measurement vessels	—

Contacts

Public ContactAkihito Tanaka

Nagoya University

akihito17491194@med.nagoya-u.ac.jp+81-527442147

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026