- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT05421169
Diastolic Hyperemia-Free Ratio in Patients With CAD (ICE-HEAT)
Invasive funCtional assEssment Using Diastolic HypEremia-Free RATio in Patient With Coronary Artery Disease: a Prospective Observation Study (ICE-HEAT)
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
Study Type
Enrollment (Actual)
Contacts and Locations
Study Contact
- Name: Yongcheol Kim, MD, Phd
- Phone Number: +82-031-5189-8967
- Email: yongcheol@yuhs.ac
Study Contact Backup
- Name: Ji Woong Roh, MD, PhD
- Phone Number: +82-031-5189-8792
- Email: NOMGALDA@yuhs.ac
Study Locations
-
-
Gyeonggi-do
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Yongin, Gyeonggi-do, Korea, Republic of, 16995
- Yongin Severance Hospital
-
-
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Sampling Method
Study Population
Description
Inclusion Criteria:
- Patients, ≥ 19 years of age, who are diagnosed with stable angina pectoris including silent ischemic heart disease and 50~90% stenosis of the coronary artery.
- Acute coronary syndrome patients with multivessel disease who have 50~90% stenosis of a non-culprit vessel on coronary angiography.
Exclusion Criteria:
- Patients with acute coronary syndrome and single vessel disease.
- Patients with hypersensitivity or contraindication to antiplatelet treatment.
- Female of childbearing potential, who possibly plan to become pregnant any time after enrollment into this study.
- Patients with a life expectancy shorter than 1 year.
Study Plan
How is the study designed?
Design Details
- Observational Models: Cohort
- Time Perspectives: Prospective
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Comparison of pre-interventional value between DFR <=0.89 and FFR <=0.80
Time Frame: through study completion, an average of 1 year
|
Efficacy and correlation of two invasive indexes of functional assessment by intracoronary pressure guidance in intermediate lesions with a cut-off point to defer the treatment of FFR< = 0.80 (with intravenous sigmart) and DFR < = 0.89.
|
through study completion, an average of 1 year
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Comparison of the value between DFR <=0.89 and Pd/Pa <=0.92
Time Frame: through study completion, an average of 1 year
|
Efficacy and correlation of two invasive indexes of functional assessment by intracoronary pressure guidance in intermediate lesions with a cut-off point to defer the treatment of and DFR < = 0.89 and Pd/Pa <=0.92. Pd/Pa (resting distal to aortic coronary pressure) was evaluated as the ratio of mean aortic pressure (Pa) to mean distal coronary arterial pressure (Pd), After getting the Pd/Pa value, investigators performed DFR computation considering average Pd/Pa during the period between Pa less than mean Pa ending at systole and calculated using auto-mated algorithms (Boston scientific) acting during a minimum of three beats. |
through study completion, an average of 1 year
|
Comparison of post-interventional value between DFR >=0.89 and FFR >=0.80 when DFR/FFR-guided PCI is performed.
Time Frame: through study completion, an average of 1 year
|
When the patients refered to PCI due to FFR <=0.80 or DFR <=0.89 for coronary stenotic lesion, investigators compared with post-interventional value between DFR and FFR after PCI.
|
through study completion, an average of 1 year
|
Comparison of the delta value (Δ post-interventional - pre-interventional value) between DFR and FFR.
Time Frame: through study completion, an average of 1 year
|
When PCI will be conduced, the comparison of the delta value between pre and post value of DFR and FFR will be measured.
|
through study completion, an average of 1 year
|
Discordance factors between DFR >=0.89 and FFR >=0.80
Time Frame: through study completion, an average of 1 year
|
After assessment of DFR and FFR, the investigators collected the date of mismatch between DFR >=0.89 and FFR >=0.80 and analyzed the discordance factors between DFR >=0.89 and FFR >=0.80
|
through study completion, an average of 1 year
|
Mortality within 30 days
Time Frame: through study completion, an average of 1 year
|
umber of participants who died due to sudden cardiac arrest, sudden death due to acute MI and death due to heart failure or cardiogenic shock within 30 days
|
through study completion, an average of 1 year
|
Collaborators and Investigators
Sponsor
Investigators
- Principal Investigator: Yongcheol Kim, MD, PhD, Yongin Severance Hopistal
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Actual)
Study Completion (Actual)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Actual)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Keywords
Additional Relevant MeSH Terms
Other Study ID Numbers
- 9-2022-0047
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
IPD Plan Description
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
product manufactured in and exported from the U.S.
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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