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Ischemic Heart DiseasePhase 4OPTIMA-CNCT03056118

Optimal Duration of Clopidogrel in Second-Generation Drug-Eluting Stents

A Phase 4 study testing 6-month dual anti-platelet therapy, 12-month dual anti-platelet therapy and Zotarolimus eluting stent in people with Ischemic Heart Disease, run by Gangnam Severance Hospital.

Completed

Finished. The study has ended and is not enrolling. Results may be posted on the official record.

Official record
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Trial summary

Investigators try to assess the safety of 6-months or 12-months maintenance of dual antiplatelet therapy (DAPT, aspirin + clopidogrel) in patients undergoing percutaneous coronary intervention using the Zotarolimus-eluting, Resolute Integrity™ stent (Medtronic Vascular Inc, Santa Rosa, CA) or the BioMatrix™ stent… Read more about this study

Who is it for?
Ages 20 years and older
Conditions the study is for
Ischemic Heart Disease
What is being tested?
6-month dual anti-platelet therapy, 12-month dual anti-platelet therapy and Zotarolimus eluting stent
Type of treatment
Medical device
Could I receive a placebo?
No, everyone receives an active treatment
How many people
1,368 participants
Where
No sites listed yet
Study dates
2 May 2011to 7 Sep 2015
Phase
Phase 4
Are there results?
None posted in the registry

Key requirements

Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.

  • Ages 20 years and older
  • All sexes
  • No healthy volunteers
  • Adult, Older adult

Who may be able to join

  • Subject must be at least 20 years of age.
  • Subject must have evidence of myocardial ischemia (e.g. stable angina, non-ST elevation acute coronary syndrome, silent ischemia, positive functional study or a reversible changes in the electrocardiogram (ECG) consistent with ischemia).
  • Subject is able to verbally confirm understandings of risks, benefits and treatment alternatives of receiving the Resolute Integrity or BioMatrix stent and he/she or his/her legally authorized representative provides written informed consent prior to any study related procedure.

Who cannot join

  • Acute ST elevation myocardial infarction
  • The patient has a known hypersensitivity or contraindication to any of the following medications: heparin, aspirin, clopidogrel, zotarolimus, biolimus, contrast media
  • Clinical conditions requiring systemic immune suppression over 2 weeks or anti-cancer therapy
  • Prior history of the following presentations: Thromboembolic disease, Stent thrombosis
  • Pregnant women or women with childbearing potential, unless a recent pregnancy test is negative, who possibly plan to become pregnant any time after enrollment into this study.
  • History of bleeding diathesis or known coagulopathy (including heparin-induced thrombocytopenia), or will refuse blood transfusions.
Show all 13Show fewer
  • Gastrointestinal or genitourinary bleeding within the prior 3 months, or major surgery within 2 months.
  • Current known current platelet count < 100,000 cells/mm3 or Hgb <10 g/dL.
  • Non-cardiac co-morbid conditions are present with life expectancy < 1 year or that may result in protocol non-compliance (per site investigator's medical judgment
  • Patients with left ventricular ejection fraction < 35%
  • Patients with cardiogenic shock
  • Creatinine level > 2.4mg/dL
  • Severe hepatic dysfunction (aspartate aminotransferase and/or alanine aminotransferase ≥ 3 times upper normal reference values)

About this study

Official title: Optimal Duration of Clopidogrel After Implantation of Second-Generation Drug-Eluting Stents (OPTIMA-C)

Investigators try to assess the safety of 6-months or 12-months maintenance of dual antiplatelet therapy (DAPT, aspirin + clopidogrel) in patients undergoing percutaneous coronary intervention using the Zotarolimus-eluting, Resolute Integrity™ stent (Medtronic Vascular Inc, Santa Rosa, CA) or the BioMatrix™ stent (Biosensors. Singapore).

Read the detailed description

Dual antiplatelet therapy (DAPT) has proven the most effective treatment in reducing thrombotic complications after drug eluting stent (DES) implantation. Although the optimal duration of antiplatelet therapy is still under investigation, late stent thrombosis (ST) with DES has pushed the recommendation for duration of clopidogrel therapy for one year or more, in patients without risks for bleeding. However, recent controversies regarding the risk of stent thrombosis in patients receiving DES has brought up the issue of the appropriate duration of antiplatelet therapy after percutaneous coronary intervention, and a recent study reported that the use of extended DAPT for a period longer than 12 months in patients who had received DES was not significantly more effective than aspirin monotherapy in reducing the rate of myocardial infarction (MI) or death for cardiac causes.

Zotarolimus-eluting stent (Resolute Integrity™) and biolimus-eluting stent with biodegradable polymer system (BioMatrix™) share several similarities. Both stents are flexible thin strut stents eluting sirolimus-analogue drugs targeting at mammalian target of rapamycin. The advantages that Resolute Integrity™ stent strut is quite thin and coated with highly biocompatible polymer and BioMatrix™ stent has the abluminal drug coating system with biodegradable polymer might provide clinical studies showing that both stents are quite safe as well as efficacious. Moreover, recent report showed that continuation of clopidogrel for only 3 months after implantation of Endeavor stent seems to be safe in low-to-moderate coronary artery risk group. Based on these clinical evidences, the duration of DAPT continuation for 12 months or less after implantation of Resolute Integrity™ or BioMatrix™ stent, 'the second generation DES', would be safe, however, there are no data available about this. Therefore, the purpose of this study is to assess the safety of 6-months or 12-months maintenance of DAPT in patients undergoing percutaneous coronary intervention (PCI) using Resolute Integrity™ or BioMatrix™ stent.

Being tested
6-month dual anti-platelet therapy, 12-month dual anti-platelet therapy, Zotarolimus eluting stent, Biolimus eluting stent
Keywords
OPTIMA-C
Medical subject headings
Myocardial Ischemia

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

  • 6-month dual anti-platelet therapyDrug

    Also called Aspirin and Clopidogrel

    Aspirin and P2Y12 inhibitor after percutaneous coronary intervention continues for 6 months

  • 12-month dual anti-platelet therapyDrug

    Also called Aspirin and Clopidogrel

    Aspirin and P2Y12 inhibitor after percutaneous coronary intervention continues for 12 months

  • Zotarolimus eluting stentDevice

    Zotarolimus eluting stent is applied to coronary stenotic lesion

  • Biolimus eluting stentDevice

    Biolimus eluting stent is applied to coronary stenotic lesion

Study groups in NCT03056118
Study groupRoleWhat they receive
6-month dual anti-platelet therapyExperimentalmaintain dual anti-platelet agents for 6 months
Receives: Drug: 6-month dual anti-platelet therapy
12-month dual anti-platelet therapyActive comparatormaintain dual anti-platelet agents for 12 months
Receives: Drug: 12-month dual anti-platelet therapy
Zotarolimus eluting stent armActive comparatorimplant with zotarolimus eluting stent (Resolute Integrity)
Receives: Device: Zotarolimus eluting stent
Biolimus eluting stent armActive comparatorimplant with biolimus eluting stent (Biomatrix)
Receives: Device: Biolimus eluting stent

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. A composite of major adverse cardiac events (MACE; cardiac death, target vessel MI and ischemia driven-target lesion revascularization; TLR)

    1. Cardiac death: Any death due to proximate cardiac cause (eg, MI, low-output failure, fatal arrhythmia), unwitnessed death and death of unknown cause, and all procedure-related deaths, including those related to concomitant treatment, will be classified as cardiac death.
    2. MI Classification and Criteria for Diagnosis is defined by the Academic Research Consortium
    3. TLR is defined as any repeat percutaneous intervention of the target lesion or bypass surgery of the target vessel performed for restenosis or other complication of the target lesion. All TLRs should be classified prospectively as clinically indicated* or not clinically indicated by the investigator prior to repeat angiography. An independent angiographic core laboratory should verify that the severity of percent diameter stenosis meets requirements for clinical indication and will overrule in cases where investigator reports are not in agreement.

    Measured: 12 months

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted17 Feb 2017
  2. Study start2 May 2011
  3. Primary completion1 Jun 2015
  4. Study completion7 Sep 2015

Resources

More details

For doctors and researchers: how the study is designed, who runs it, and its registry IDs.

Study design
Study type
Interventional
Phase
Phase 4
Primary purpose
Treatment
Allocation
Randomised
Intervention model
Factorial
Masking
Single blind
Who is masked
Outcomes assessor
Enrolment
1,368 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT03056118
Sponsor's protocol ID
3-2011-0054
Acronym
OPTIMA-C
Status last verified
Feb 2017
First submitted
8 Feb 2017
Last updated
17 Feb 2017
Results posted
No
Data monitoring committee
Yes
FDA-regulated drug
No
FDA-regulated device
No
Individual data sharing
Yes: If PI and scientific committee approve to share individual participant data to other researchers.

Publications

  • Jang JY, Jung HW, Lee BK, Shin DH, Kim JS, Hong SJ, Ahn CM, Kim BK, Ko YG, Choi D, Hong MK, Park KW, Gwon HC, Kim HS, Kwon HM, Jang Y. Impact of PRECISE-DAPT and DAPT Scores on Dual Antiplatelet Therapy Duration After 2nd Generation Drug-Eluting Stent Implantation. Cardiovasc Drugs Ther. 2021 Apr;35(2):343-352. doi: 10.1007/s10557-020-07008-7.

    PubMed 32588238

Questions about this trial

What is this clinical trial studying?

A Phase 4 study testing 6-month dual anti-platelet therapy, 12-month dual anti-platelet therapy and Zotarolimus eluting stent in people with Ischemic Heart Disease, run by Gangnam Severance Hospital.

The full registered description is in the About this study section and the official record.

Who may be eligible to take part?

The sponsor lists 3 inclusion and 13 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.

Is this clinical trial currently recruiting?

The record says: finished, as of the sponsor's last update on 17 Feb 2017. Status can change between updates, so confirm with the study contact before making plans.

What are the possible benefits and risks?

They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.

What does this phase mean?

Phase 4 studies take place after a treatment is approved, to learn more about its long-term benefits and risks in everyday use.

Not every study follows the same path, and some studies (observational studies, device studies) have no phase.

Are results available for this study?

The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.

How can a doctor refer a patient or contact the research team?

The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

A composite of major adverse cardiac events (MACE; cardiac death, target vessel MI and ischemia driven-target lesion revascularization; TLR) (time frame: 12 months). It is what the study was designed to measure, not a finding.

Where can I read the original study information?

On the ClinicalTrials.gov record for NCT03056118, which also lists 1 linked publication.

Does a listing mean the treatment is approved or proven to work?

No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.

How often is this information updated?

AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 17 Feb 2017.

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