UMIN-CTR Clinical Trial

Unique ID issued by UMIN UMIN000048311
Receipt number R000054960
Scientific Title Near-infrared spectroscopy and intravascular ultrasound for risk stratification of coronary stenosis with deferred revascularization based on fractional flow reserve: The STRATIFY-NIRS study
Date of disclosure of the study information 2022/07/11
Last modified on 2025/01/14 16:58:56

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Basic information

Public title

Near-infrared spectroscopy and intravascular ultrasound for risk stratification of coronary stenosis with deferred revascularization based on fractional flow reserve: The STRATIFY-NIRS study

Acronym

STRATIFY-NIRS

Scientific Title

Near-infrared spectroscopy and intravascular ultrasound for risk stratification of coronary stenosis with deferred revascularization based on fractional flow reserve: The STRATIFY-NIRS study

Scientific Title:Acronym

STRATIFY-NIRS

Region

Japan


Condition

Condition

Acute coronary syndrome

Classification by specialty

Cardiology

Classification by malignancy

Others

Genomic information

NO


Objectives

Narrative objectives1

To evaluate the incidence of lipid rich plaque as assessed by NIRS-IVUS in deferred coronary arteries by FFR among ACS patients and its impact on prognosis.

Basic objectives2

Efficacy

Basic objectives -Others


Trial characteristics_1


Trial characteristics_2


Developmental phase



Assessment

Primary outcomes

Target vessel failure (cardiac death, target-vessel myocardial infarction, clinically-driven target vessel revascularization) at 2 years

Key secondary outcomes

TVF at 1, 3, 4, 5 years
Death at 1, 2, 3, 4, 5 years
Cardiac death at 1, 2, 3, 4, 5 years
Non-cardiac death at 1, 2, 3, 4, 5 years
MI at 1, 2, 3, 4, 5 years
Target-vessel MI at 1, 2, 3, 4, 5 years
Revascularization at 1, 2, 3, 4, 5 years
Clinically-driven revascularization at 1, 2, 3, 4, 5 years
Target vessel revascularization at 1, 2, 3, 4, 5 years
Clinically-driven target vessel revascularization at 1, 2, 3, 4, 5 years
Target lesion revascularization at 1, 2, 3, 4, 5 years
Clinically-driven target lesion revascularization at 1, 2, 3, 4, 5 years
Stroke at 1, 2, 3, 4, 5 years
Bleeding at 1, 2, 3, 4, 5 years

Secondary imaging outcome measures:
Correlation among FFR value, plaque burden by IVUS, MLA by IVUS, and LCBI.
Correlation among plaque burden by IVUS, MLA by IVUS, and LCBI by NIRS-IVUS, plaque burden by CT, plaque type by CT, and diameter stenosis by CT.
Correlation among PPG (pullback pressure gradient), plaque burden by IVUS, MLA by IVUS, and LCBI.

Sub-group analysis:
MaxLCBI4mm 400
MaxLCBI4mm median value
Plaque burden >=70%
Minimal lumen area <=4.0 mm2
Hemodialysis
PCI indication (STEMI vs. NSTEMI vs. UAP)
Ischemic risk
Diabetes
Sub categories of FFR value (FFR0.81-0.85, 0.86-0.90, 0.91-1.00)
Diameter stenosis, CT value <30 HU, positive remodeling, spotty calcification, napkin ring sign as assessed by coronary CT


Base

Study type

Observational


Study design

Basic design


Randomization


Randomization unit


Blinding


Control


Stratification


Dynamic allocation


Institution consideration


Blocking


Concealment



Intervention

No. of arms


Purpose of intervention


Type of intervention


Interventions/Control_1


Interventions/Control_2


Interventions/Control_3


Interventions/Control_4


Interventions/Control_5


Interventions/Control_6


Interventions/Control_7


Interventions/Control_8


Interventions/Control_9


Interventions/Control_10



Eligibility

Age-lower limit

18 years-old <=

Age-upper limit


Not applicable

Gender

Male and Female

Key inclusion criteria

1. Patients >=18 years of age.
2. Patients with ACS undergoing PCI within 4 weeks before study enrollment.
3. Patients with deferred coronary lesions by FFR (i.e. FFR>0.80) with a moderate stenosis (visual estimation of diameter stenosis >=50%, <90% by coronary angiography) in non-culprit coronary artery.

Key exclusion criteria

1. Target vessels* previously treated by PCI.
2. Target vessels* with significant coronary calcification or tortuosity deemed to preclude NIRS-IVUS evaluation.
3. Target vessels* with reference lumen diameter <=2mm.
4. History of CABG.
5. Unstable clinical status (hemodynamic or electrical instability).
6. Patients unwilling or unable to provide informed consent.
7. Life expectancy is less than 1 year at study enrollment.
8. Patients considered unsuitable for the study at the discretion of the operator.
*Target vessel is defined as a non-culprit coronary artery with deferred coronary lesions by FFR (i.e. FFR>0.80) with a moderate stenosis (visual estimation of diameter stenosis >=50%, <90% by coronary angiography).

Target sample size

400


Research contact person

Name of lead principal investigator

1st name Yasushi
Middle name
Last name Ueki

Organization

Shinshu University Hospital

Division name

Cardiovascular Medicine

Zip code

390-8621

Address

3-1-1 Asahi, Matsumoto, Nagano, 390-8621, Japan

TEL

0263-37-3352

Email

yasushi522@shinshu-u.ac.jp


Public contact

Name of contact person

1st name Yasushi
Middle name
Last name Ueki

Organization

Shinshu University Hospital

Division name

Cardiovascular Medicine

Zip code

390-8621

Address

3-1-1 Asahi, Matsumoto, Nagano, 390-8621, Japan

TEL

0263-37-3352

Homepage URL


Email

yasushi522@shinshu-u.ac.jp


Sponsor or person

Institute

Department of Cardiovascular Medicine, Shinshu University Hospital

Institute

Department

Personal name



Funding Source

Organization

none

Organization

Division

Category of Funding Organization

Other

Nationality of Funding Organization



Other related organizations

Co-sponsor


Name of secondary funder(s)



IRB Contact (For public release)

Organization

Shinshu University ethics committee

Address

3-1-1 Asahi, Matsumoto, Nagano, 390-8621, Japan

Tel

0263-37-2572

Email

md_rinri@shinshu-u.ac.jp


Secondary IDs

Secondary IDs

NO

Study ID_1


Org. issuing International ID_1


Study ID_2


Org. issuing International ID_2


IND to MHLW



Institutions

Institutions



Other administrative information

Date of disclosure of the study information

2022 Year 07 Month 11 Day


Related information

URL releasing protocol


Publication of results

Unpublished


Result

URL related to results and publications


Number of participants that the trial has enrolled


Results


Results date posted


Results Delayed


Results Delay Reason


Date of the first journal publication of results


Baseline Characteristics


Participant flow


Adverse events


Outcome measures


Plan to share IPD


IPD sharing Plan description



Progress

Recruitment status

Open public recruiting

Date of protocol fixation

2022 Year 04 Month 04 Day

Date of IRB

2022 Year 04 Month 04 Day

Anticipated trial start date

2022 Year 07 Month 06 Day

Last follow-up date

2029 Year 10 Month 01 Day

Date of closure to data entry


Date trial data considered complete


Date analysis concluded



Other

Other related information

Patients will be followed-up up to 5 years.


Management information

Registered date

2022 Year 07 Month 07 Day

Last modified on

2025 Year 01 Month 14 Day



Link to view the page

Value
https://center6.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000054960