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Endothelial DysfunctionPhase 4FUNCOMBONCT04202172

Functional Assessment of the Infart-related Artery With Bioactive and Polymer-free Coronary Stents (The FUNCOMBO Trial)

A Phase 4 study testing Stent implantation in the infart-related artery in patients with ST elevation myocardial infarction in people with Endothelial Dysfunction and Coronary Microvascular Disease, run by Institut d'Investigació Biomèdica de Bellvitge at 1 site in Spain.

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

A total of 50 patients with ST-elevation myocardial infarction (STEMI) undergoing primary-percutaneous coronary intervention (PPCI) will be randomized to two different coronary stents: BIOFREEDOM vs. COMBO stent. Read more about this study

Who is it for?
Ages 18 years and older
What is being tested?
Stent implantation in the infart-related artery in patients with ST elevation myocardial infarction
Could I receive a placebo?
No, everyone receives an active treatment
How many people
60 participants
Where
1 siteSpain
Study dates
5 Nov 2018to 1 Sep 2020
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 18 years and older
  • All sexes
  • No healthy volunteers
  • Adult, Older adult

Who may be able to join

  • STEMI < 12 hours undergoing primary PCI.
  • ST-segment elevation of > 1mm in > 2 contiguous leads, or (presumably new) left bundle branch block, or true posterior MI with ST depression of >1mm in >2 contiguous anterior leads.
  • Presence of at least one acute infarct artery target vessel with one or more de-novo coronary artery stenosis in a native coronary artery within 2.75 - 3.75 mm reference vessel diameter and < 24 mm length (visually estimated).

Who cannot join

  • Inability to provide informed consent
  • Female of childbearing potential (age <50 years and last menstruation within the last 12 months), who did not undergo tubal ligation, ovariectomy or hysterectomy
  • Known intolerance to aspirin, heparin, PLLA, everolimus, contrast material
  • Cardiogenic Shock
  • Unprotected left main coronary artery stenosis
  • Distal occlusion of target vessel
Show all 12Show fewer
  • Acute myocardial infarction secondary to stent thrombosis
  • Mechanical complications of acute myocardial infarction
  • Severe tortuous, calcified or angulated coronary anatomy of the study vessel that in the opinion of the investigator would result in sub-optimal imaging or excessive risk of complication in the follow-up procedure
  • Active bleeding or coagulopathy or patients at chronic anticoagulation therapy
  • Chronic renal dysfunction with creatinine clearance < 45 ml/minm2
  • Subject is currently participating in another clinical trial that has not yet completed its primary endpoint

Trial locations and contacts

1 site in 1 country.

Spain1 site
  • Hospital Universitari de Bellvitge

    L'Hospitalet de Llobregat, Barcelona, 08907

Other trials in Spain

About this study

Official title: Six-month Endothelial and Microcirculatory Function of the Bioactive Sirolimus-eluting Combo Stent Versus the Polymer-free Biolimus-eluting Biofreedom Stent in Patients With ST-segment Elevation Myocardial Infarction

A total of 50 patients with ST-elevation myocardial infarction (STEMI) undergoing primary-percutaneous coronary intervention (PPCI) will be randomized to two different coronary stents: BIOFREEDOM vs. COMBO stent.

All patients will undergo to 6-month scheduled coronary angiography to evaluate the endothelial function response of the distal coronary segment and other functional parameters.

Read the detailed description

The bioengineered COMBO stent (Orbus Neich, Fort Lauderdale, Florida, United States) has a dual-therapy strategy, which combines a sirolimus-eluting coating with an anti-CD34 antibody layer to promote vessel healing. Sirolimus release (5 μg/mm) is completed in 30 days, and the biodegradable polymer disappears within 90 days.

CD34 antibodies are immobilized on the surface of the stent and capture circulating endothelial progenitor cells (EPCs). The captured EPCs are triggered by sheer stress from the circulating blood and other cell signals to differentiate and mature into endothelial cells. COMBO Plus is the only stent with a biological coating that actively repairs the vessel morphology. However, little is known regarding the endothelial function after stent implantation.

Being tested
Stent implantation in the infart-related artery in patients with ST elevation myocardial infarction
Keywords
endothelial function
Medical subject headings
Microvascular Angina, Myocardial Infarction

What participants receive

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

  • Stent implantation in the infart-related artery in patients with ST elevation myocardial infarctionProcedure or surgery

    Also called All patients will undergo to 6-month coronary angiography after stent implantation in order to assess the endothelial and microvascular function of the infarct related artery

    The 6-month scheduled coronary angiography will perform 3 interventions:

    1. Endothelial function assessment with intracoronary acetyl-choline infusion.
    2. Microcirculatory function assessment with a pressure wire during endovenous adenosine infusion.
    3. Stent healing assessment using optical coherence tomography
Study groups in NCT04202172
Study groupRoleWhat they receive
BIOFREEDOMActive comparatorImplantation of Drug-eluting coronary stent without polymer in patients with myocardial infarction.
Receives: Procedure: Stent implantation in the infart-related artery in patients with ST elevation myocardial infarction
COMBOExperimentalImplantation of Bioactive coronary stent in patients with myocardial infarction.
Receives: Procedure: Stent implantation in the infart-related artery in patients with ST elevation myocardial infarction

What is being measured

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

  1. Endothelial function of the distal coronary segment of patients with myocardial infarction treated with two types of drug-eluting stents

    To compare the mean lumen diameter changes to intracoronary acetyl-choline infusion of the distal coronary segment by quantitative coronary angiography between the COMBO stent vs. the BIOFREEDOM stent in STEMI patients. Endothelial dysfunction is defined as >4% vasoconstriction to intracoronary acetylcholine compared to the 6-month baseline mean lumen diameter of the matched segment.

    Measured: At 6 months of the stent implantation

Secondary outcomes (2)
  1. Index of microcirculatory resistance

    To compare the index of microcirculatory resistance (IMR) between the culprit arteries treated with COMBO vs. BIOFREEDOM in STEMI patients.

    Measured: At 6 months of the stent implantation

  2. Coronary flow reserve

    To compare the coronary flow reserve (CFR) between the culprit arteries treated with COMBO vs. BIOFREEDOM in STEMI patients

    Measured: At 6 months of the stent implantation

Timeline

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

  1. First posted17 Dec 2019
  2. Study start5 Nov 2018
  3. Primary completion1 Mar 2020
  4. Study completion1 Sep 2020

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
Parallel groups
Masking
Single blind
Who is masked
Participant
Enrolment
60 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT04202172
Sponsor's protocol ID
AC009/18
Acronym
FUNCOMBO
Status last verified
Oct 2020
First submitted
28 Oct 2018
Last updated
26 Oct 2020
Results posted
No
Data monitoring committee
Yes
FDA-regulated drug
Yes
FDA-regulated device
Yes
Individual data sharing
No

Publications

  • Gomez-Lara J, Oyarzabal L, Brugaletta S, Salvatella N, Romaguera R, Roura G, Fuentes L, Perez Fuentes P, Ortega-Paz L, Ferreiro JL, Teruel L, Gracida M, Vaquerizo B, Sabate M, Comin-Colet J, Gomez-Hospital JA. Coronary endothelial and microvascular function distal to polymer-free and endothelial cell-capturing drug-eluting stents. The randomized FUNCOMBO trial. Rev Esp Cardiol (Engl Ed). 2021 Dec;74(12):1013-1022. doi: 10.1016/j.rec.2021.01.007. Epub 2021 Feb 24. English, Spanish.

    PubMed 33640311

Questions about this trial

What is this clinical trial studying?

A Phase 4 study testing Stent implantation in the infart-related artery in patients with ST elevation myocardial infarction in people with Endothelial Dysfunction and Coronary Microvascular Disease, run by Institut d'Investigació Biomèdica de Bellvitge at 1 site in Spain.

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 12 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 26 Oct 2020. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 1 site in Spain. Whether a site is taking part right now should be confirmed with that site. See every site.

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?

Endothelial function of the distal coronary segment of patients with myocardial infarction treated with two types of drug-eluting stents (time frame: At 6 months of the stent implantation). 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 NCT04202172, 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 26 Oct 2020.

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