Evaluation of Effectiveness and Safety of Synergy XD and Synergy Megatron™ Stent (IRIS SynergyXD)

December 21, 2025 updated by: Jung-min Ahn

Evaluation of Effectiveness and Safety of Synergy™ XD Stent and Synergy Megatron™ Stent in Routine Clinical Practice; A Multicenter, Prospective Observational Study

The objective of this study is to evaluate the effectiveness and safety of Synergy XD stent and Synergy Megatron™ Stent in the "real world" daily practice as compared with the other drug-eluting stents.

Study Overview

Detailed Description

This study is a non-randomized, prospective, open-label registry to compare the effectiveness and safety of Synergy XD stent and Synergy Megatron™ Stents versus other drug-eluting stents (DES) in patients with coronary artery disease.

Study Type

Observational

Enrollment (Estimated)

2000

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Contact

Study Locations

      • Anyang, South Korea
        • Recruiting
        • Hallym University Medical Center
        • Principal Investigator:
          • Sang-ho Choi, MD
        • Contact:
          • Sang-ho Choi, MD
      • Busan, South Korea
        • Recruiting
        • Pusan National University Hospital
        • Contact:
          • Jeong-cheon Choi, MD
        • Principal Investigator:
          • Jeong-cheon Choi, MD
      • Busan, South Korea
        • Recruiting
        • Dong-A University Hospital
        • Principal Investigator:
          • Yong-rak Cho, MD
        • Contact:
          • Yong-rak Cho, MD
      • Busan, South Korea
        • Terminated
        • Inje University Busan Paik Hospital
      • Busan, South Korea
        • Recruiting
        • Inje University Pusan Paik Hospital
        • Contact:
          • Tae-hyun Yang, MD
        • Principal Investigator:
          • Tae-hyun Yang, MD
      • Busan, South Korea
        • Terminated
        • Pusan National University Hospital
      • Busan, South Korea
        • Recruiting
        • Pusan National University Yangsan Hospital
        • Contact:
          • Min-gu Cheon, MD
        • Principal Investigator:
          • Min-gu Cheon, MD
      • Changwon, South Korea
        • Recruiting
        • Gyeongsang National University Changwon Hospital
        • Contact:
          • Jae-seok Bae, MD
        • Principal Investigator:
          • Jae-seok Bae, MD
      • Changwon, South Korea
        • Recruiting
        • Samsung Changwon Hospital
        • Contact:
          • Yong-hwan Park, MD
        • Principal Investigator:
          • Yong-hwan Park, MD
      • Daegu, South Korea
        • Recruiting
        • Keimyung University Dongsan Medical Center
        • Contact:
          • Chul Hyun Lee, MD
        • Principal Investigator:
          • Chul Hyun Lee, MD
      • Daegu, South Korea
        • Recruiting
        • Veterans Hospital
        • Contact:
          • Sang-wook Kang, MD
        • Principal Investigator:
          • Sang-wook Kang, MD
      • Daegu, South Korea
        • Recruiting
        • Yeungnam University Medical Center
        • Principal Investigator:
          • Woong Kim, MD
        • Contact:
          • Woong Kim, MD
      • Gangneung, South Korea
        • Recruiting
        • GangNeung Asan Hospital
        • Contact:
          • Han-bit Park, MD
        • Principal Investigator:
          • Han-bit Park, MD
      • Gwangju, South Korea
        • Recruiting
        • Chonnam National University Hospital
        • Contact:
          • Min-cheol Kim, MD
        • Principal Investigator:
          • Min-cheol Kim, MD
      • Iksan, South Korea
        • Recruiting
        • Wonkwang University Hospital
        • Contact:
          • Kyung Ho Yoon, MD
        • Principal Investigator:
          • Kyung Ho Yoon, MD
      • Seongnam, South Korea
        • Terminated
        • Cha Bundang Medical Center, Cha University
      • Seongnam, South Korea
        • Recruiting
        • Seoul university Bundang hospital
        • Contact:
        • Principal Investigator:
          • Jung-won Suh, MD
      • Seoul, South Korea
        • Recruiting
        • Asan Medical Center
        • Contact:
          • Jung-min Ahn, MD
        • Principal Investigator:
          • Jung-min Ahn, MD
      • Seoul, South Korea
        • Recruiting
        • Korea University Anam Hospital
        • Contact:
          • Jae-hyung Park, MD
        • Principal Investigator:
          • Jae-hyung Park, MD
      • Seoul, South Korea
        • Recruiting
        • Hanyang University Seoul Hospital
        • Contact:
          • Young-hyo Lim, MD
        • Principal Investigator:
          • Young-hyo Lim, MD
      • Seoul, South Korea
        • Terminated
        • Korea University Guro Hospital
      • Suwon, South Korea
        • Recruiting
        • The Catholic University of Korea, St. Vincent'S Hospital
        • Contact:
          • Sung-ho Hur, MD
        • Principal Investigator:
          • Sung-ho Hur, MD
      • Ulsan, South Korea
        • Recruiting
        • Ulsan University Hospital
        • Contact:
          • Kyung-min Park, MD
        • Principal Investigator:
          • Kyung-min Park, MD

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Ages Eligible for Study

15 years and older (Adult, Older Adult)

Accepts Healthy Volunteers

No

Sampling Method

Probability Sample

Study Population

Patients with Synergy XD stent or Synergy Megatron™ stent

Description

Inclusion Criteria:

  • Patients ≥ 19 years old
  • Patients receiving Synergy XD stent(s) or Synergy Megatron™ stent(s).
  • The patient or guardian agrees to the study protocol and the schedule of clinical follow-up and provides informed, written consent, as approved by the appropriate Institutional Review Board/Ethics Committee of the respective clinical site.

Exclusion Criteria:

  • Patients with a mixture of other drug-eluting stents (DESs)
  • Terminal illness with life-expectancy ≤1 year.
  • Patients with cardiogenic shock

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

  • Observational Models: Cohort
  • Time Perspectives: Prospective

Cohorts and Interventions

Group / Cohort
Intervention / Treatment
Coronary Artery Disease
Percutaneous coronary intervention with Synergy XD stent or Synergy Megatron™ Stent

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Measure Description
Time Frame
The composite event rate of death, non-fatal myocardial infarction, or target vessel revascularization
Time Frame: 1 year
A composite endpoint is an endpoint that is a combination of multiple clinical endpoints. An event that is considered to have occurred if any one of several different events is observed.
1 year

Secondary Outcome Measures

Outcome Measure
Measure Description
Time Frame
The event rate of all death
Time Frame: 5-year
5-year
The event rate of cardiac death
Time Frame: 5-year
5-year
The event rate of myocardial infarction
Time Frame: 5-year
5-year
The composite event rate of death or myocardial infarction
Time Frame: 5-year
5-year
The composite event rate of cardiac death or myocardial infarction
Time Frame: 5-year
5-year
The event rate of target-vessel revascularization
Time Frame: 5-year
5-year
The event rate of target-lesion revascularization
Time Frame: 5-year
5-year
The event rate of stent thrombosis
Time Frame: 5-year
According to Academic Research Consortium(ARC) criteria
5-year
The event rate of stroke
Time Frame: 5-year
5-year
The event rate of procedural success
Time Frame: 3 days
Defined as achievement of final diameter stenosis of <30% by visual estimation, without the occurrence of death, Q-wave myocardial infarction, or urgent revascularization during the index hospitalization.
3 days

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start (Actual)

September 1, 2022

Primary Completion (Estimated)

December 31, 2026

Study Completion (Estimated)

December 31, 2031

Study Registration Dates

First Submitted

September 6, 2021

First Submitted That Met QC Criteria

September 6, 2021

First Posted (Actual)

September 14, 2021

Study Record Updates

Last Update Posted (Actual)

December 29, 2025

Last Update Submitted That Met QC Criteria

December 21, 2025

Last Verified

December 1, 2025

More Information

Terms related to this study

Plan for Individual participant data (IPD)

Plan to Share Individual Participant Data (IPD)?

UNDECIDED

Drug and device information, study documents

Studies a U.S. FDA-regulated drug product

No

Studies a U.S. FDA-regulated device product

No

product manufactured in and exported from the U.S.

No

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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