Drug Coated Balloon Compared to Bare Metal Stent for de Novo Coronary Artery Lesions

April 2, 2019 updated by: Prof Eun-Seok Shin, MD. PhD., Ulsan University Hospital

Randomized Controlled Trial of Drug Coated Balloon Compared to Bare Metal Stent Using FFR-guidance for the Treatment of de Novo Coronary Artery Lesions

This randomized trial will assess the efficacy of Drug Coated Balloon (DCB) compared to Bare Metal Stent (BMS) using Fractional Flow Reserve (FFR) guidance for de novo coronary artery lesions in patients unable to tolerate dual antiplatelet therapy and at high risk of bleeding. Patients will be randomized after balloon angioplasty to receive either DCB or BMS. Endpoints are late luminal loss at 9 months, and major adverse cardiac events including arterial thrombosis at 1, 9 and 12 months.

Study Overview

Status

Status

Indicates the current recruitment status or the expanded access status.
Completed

Conditions

Conditions

The disease, disorder, syndrome, illness, or injury that is being studied. On ClinicalTrials.gov, conditions may also include other health-related issues, such as lifespan, quality of life, and health risks.

Intervention / Treatment

Intervention / Treatment

A process or action that is the focus of a clinical study. Interventions include drugs, medical devices, procedures, vaccines, and other products that are either investigational or already available. Interventions can also include noninvasive approaches, such as education or modifying diet and exercise.

Detailed Description

Although the use of drug-eluting stents (DES) has reduced in-stent restenosis when compared to bare metal stents (BMS) and decreased the incidence of adverse clinical events (1-2), DES therapy is limited by delayed arterial healing, late acquired malapposition and neo-atherosclerosis leading to an increased risk of late stent thrombosis and late restenosis (3-4). Conceptually, a permanent stent inhibits advantageous vascular remodeling and durable polymer provokes excessive inflammation (5). Non-stent based local drug delivery using paclitaxel-coated balloon has emerged as a new clinical treatment alternative by maintaining the anti-proliferative properties of DES (6). There is limited data on the efficacy of Drug Coated Balloon (DCB) treatment for de novo coronary lesions when compared to BMS. To avoid the risk of abrupt closure of target lesion after balloon angioplasty, a reliable predictor of coronary flow is necessary especially in de novo lesions of major coronary arteries. Therefore, using fractional flow reserve (FFR) after angioplasty as a good indicator of immediate functional improvement and reduced restenosis (7), the aim of this study is to assess the efficacy of DCB treatment compared to BMS in patients with de novo coronary artery lesions.

Patients with de novo coronary artery lesions with > 50% stenosis in a single vessel and at high risk of bleeding with the inability to tolerate dual antiplatelet therapy (DAPT) will be included in this trial. Patients will undergo balloon angioplasty and if the FFR post balloon angioplasty is > 0.80, they will be randomized to receive either DCB or BMS. Patients will receive Quantitative Coronary Angiography (QCA) analysis at 9 months follow-up. Endpoints are late luminal loss at 9 months and major adverse events including arterial thrombosis at 1, 9 and 12 months and these endpoints will be compared between DCB and BMS groups.

Study Type

Study Type

Describes the nature of a clinical study. Study types include interventional studies (also called clinical trials), observational studies (including patient registries), and expanded access.
Interventional

Enrollment (Actual)

Enrollment

The number of participants in a clinical study. The "anticipated" enrollment is the target number of participants that the researchers need for the study.
40

Phase

Phase

The stage of a clinical trial studying a drug or biological product, based on definitions developed by the U.S. Food and Drug Administration (FDA). The phase is based on the study's objective, the number of participants, and other characteristics. There are five phases: Early Phase 1 (formerly listed as Phase 0), Phase 1, Phase 2, Phase 3, and Phase 4. Not Applicable is used to describe trials without FDA-defined phases, including trials of devices or behavioral interventions.
  • Not Applicable

Contacts and Locations

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

Study Locations

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

Eligibility Criteria

The key requirements that people who want to participate in a clinical study must meet or the characteristics they must have. Eligibility criteria consist of both inclusion criteria (which are required for a person to participate in the study) and exclusion criteria (which prevent a person from participating). Types of eligibility criteria include whether a study accepts healthy volunteers, has age or age group requirements, or is limited by sex.

Ages Eligible for Study

20 years to 85 years (Adult, Older Adult)

Accepts Healthy Volunteers

No

Genders Eligible for Study

All

Description

Inclusion Criteria:

  • Stable Angina and Unstable angina
  • single de novo coronary artery lesions in a single vessel with > 50% diameter stenosis with a reference diameter > 2.75mm
  • Patients at high risk of bleeding and whom cannot tolerate dual antiplatelet therapy for > 1 month are inclusion criteria for the study and are listed here:
  • Unexplained anemia
  • Atrial fibrillation with CHADSVASC > or equal to 1
  • Patients awaiting for non cardiac surgery within a year
  • History of massive hemorrhage requiring transfusion
  • History of upper GI bleeding
  • Malignancy
  • Poor compliance with medication

Exclusion Criteria:

  • STEMI/NSTEMI within the preceding 72 hours
  • Multivessel disease, chronic total occlusion, long lesions and left main disease
  • heart failure with ejection fraction < 35% and/or cardiogenic shock
  • Previous history of or planned coronary artery bypass grafting
  • life expectancy of less than 1 year

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

  • Primary Purpose: Treatment
  • Allocation: Randomized
  • Interventional Model: Parallel Assignment
  • Masking: Single

Arms and Interventions

Participant Group / Arm

Participant Group / Arm

A group or subgroup of participants in a clinical trial that receives a specific intervention/treatment, or no intervention, according to the trial's protocol.
Intervention / Treatment

Intervention / Treatment

A process or action that is the focus of a clinical study. Interventions include drugs, medical devices, procedures, vaccines, and other products that are either investigational or already available. Interventions can also include noninvasive approaches, such as education or modifying diet and exercise.
Experimental: Drug Coated Balloon
PCB (SeQuent Please®, paclitaxel-coated balloon catheter, B. Braun, Melsungen, Germany)
Device: Drug Coated Balloon
If post balloon angioplasty FFR is more than 0.80, either DCB treatment or BMS implantation will be carried out based on randomization of 1:1. DCB (SeQuent Please paclitaxel-coated balloon catheter, B. Braun, Melsungen, Germany) will be applied at the predilated lesions. PCB will be delivered rapidly and inflated for 60 seconds with nominal pressure.
Active Comparator: Bare Metal Stent
BMS (Vision®)
Device: Bare Metal Stent
BMS (Vision®) will be applied at the predilated lesions after angiographic confirmation of the target lesion.

What is the study measuring?

Primary Outcome Measures

Primary Outcome Measures

In a clinical study's protocol, the planned outcome measure that is the most important for evaluating the effect of an intervention/treatment. Most clinical studies have one primary outcome measure, but some have more than one.
Outcome Measure
Time Frame
Late luminal loss
Time Frame: 9 months
9 months

Secondary Outcome Measures

Secondary Outcome Measures

In a clinical study's protocol, a planned outcome measure that is not as important as the primary outcome measure for evaluating the effect of an intervention but is still of interest. Most clinical studies have more than one secondary outcome measure.
Outcome Measure
Measure Description
Time Frame
Major adverse cardiovascular events (MACE) (death, myocardial infarction, repeat revascularization, recurrent ischemic symptoms)
Time Frame: Post procedure (up to 1 hour), 1 month, 9 months and 12 months
Post procedure (up to 1 hour), 1 month, 9 months and 12 months
Arterial thrombosis
Time Frame: Post procedure (up to 1 hour), 1 month, 9 months and 12 months
Any stent thrombosis - acute, subacute/late stent thrombosis
Post procedure (up to 1 hour), 1 month, 9 months and 12 months
Fractional Flow Reserve
Time Frame: Post procedure (up to 1 hour) and 9 months
FFR is the ratio of the pressure measured at the distal portion of the target lesion and the aortic ostium at maximal hyperemia
Post procedure (up to 1 hour) and 9 months

Collaborators and Investigators

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

Sponsor

Sponsor

The organization or person who initiates the study and who has authority and control over the study.
Ulsan University Hospital

Collaborators

Collaborators

An organization other than the sponsor that provides support for a clinical study. This support may include activities related to funding, design, implementation, data analysis, or reporting.
Seoul National University Hospital

Investigators

Investigators

A researcher involved in a clinical study. Related terms include site principal investigator, site sub-investigator, study chair, study director, and study principal investigator.
  • Principal Investigator: Eun-Seok Shin, M.D., PhD., Ulsan University Hospital

Publications and helpful links

The person responsible for entering information about the study voluntarily provides these publications. These may be about anything related to the study.

General Publications

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)

Study Start

The actual date on which the first participant was enrolled in a clinical study. The "anticipated" study start date is the date that the researchers think will be the study start date.
April 1, 2015

Primary Completion (Actual)

Primary Completion

The date on which the last participant in a clinical study was examined or received an intervention to collect final data for the primary outcome measure. Whether the clinical study ended according to the protocol or was terminated does not affect this date. For clinical studies with more than one primary outcome measure with different completion dates, this term refers to the date on which data collection is completed for all the primary outcome measures. The "anticipated" primary completion date is the date that the researchers think will be the primary completion date for the study.
October 1, 2016

Study Completion (Actual)

Study Completion

The date on which the last participant in a clinical study was examined or received an intervention/treatment to collect final data for the primary outcome measures, secondary outcome measures, and adverse events (that is, the last participant's last visit). The "anticipated" study completion date is the date that the researchers think will be the study completion date.
October 1, 2016

Study Registration Dates

First Submitted

First Submitted

The date on which the study sponsor or investigator first submitted a study record to ClinicalTrials.gov. There is typically a delay of a few days between the first submitted date and the record's availability on ClinicalTrials.gov (the first posted date).
May 18, 2015

First Submitted That Met QC Criteria

First Submitted That Met QC Criteria

The date on which the study sponsor or investigator first submits a study record that is consistent with National Library of Medicine (NLM) quality control (QC) review criteria. The sponsor or investigator may need to revise and submit a study record one or more times before NLM's QC review criteria are met. It is the responsibility of the sponsor or investigator to ensure that the study record is consistent with the NLM QC review criteria.
May 25, 2015

First Posted (Estimate)

First Posted

The date on which the study record was first available on ClinicalTrials.gov after National Library of Medicine (NLM) quality control (QC) review has concluded. There is typically a delay of a few days between the date the study sponsor or investigator submitted the study record and the first posted date.
May 28, 2015

Study Record Updates

Last Update Posted (Actual)

Last Update Posted

The most recent date on which changes to a study record were made available on ClinicalTrials.gov. There may be a delay between when the changes were submitted to ClinicalTrials.gov by the study's sponsor or investigator (the last update submitted date) and the last update posted date.
April 3, 2019

Last Update Submitted That Met QC Criteria

Last Update Submitted That Met QC Criteria

The most recent date on which the study sponsor or investigator submitted changes to a study record that are consistent with National Library of Medicine (NLM) quality control (QC) review criteria. It is the responsibility of the sponsor or investigator to ensure that the study record is consistent with the NLM QC review criteria.
April 2, 2019

Last Verified

Last Verified

The most recent date on which the study sponsor or investigator confirmed the information about a clinical study on ClinicalTrials.gov as accurate and current. If a study with a recruitment status of recruiting; not yet recruiting; or active, not recruiting has not been confirmed within the past 2 years, the study's recruitment status is shown as unknown.
April 1, 2019

More Information

Terms related to this study

Additional Relevant MeSH Terms

Other Study ID Numbers

Other Study ID Numbers

Identifiers or ID numbers other than the NCT number that are assigned to a clinical study by the study's sponsor, funders, or others. These numbers may include unique identifiers from other trial registries and National Institutes of Health grant numbers.
  • 1111 (Prima Psychiatry internal research fund)

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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