NCT05974930

Brief Summary

The main goal of the ULTRA-STEMI trial is to investigate the prognostic impact of IVUS-guided PCI in patients with STEMI and correlate IVUS measurements with clinical, procedural, imaging and follow-up outcomes of interest. Study participants will undergo primary PCI as per standardized procedures; IVUS will be performed at baseline, post-intervention and post-optimization. Manual thrombus aspiration will be performed according to clinical indications. The aspirated thrombi will be collected and scanned with micro-computed tomography (micro-CT). Also, angiographic and peri-procedural data will be gathered. Post-PCI instantaneous wave-free ratio (IFR) will also be performed to assess the severity of the residual coronary-artery stenosis, if any. All patients will be followed up for at least12 months for the adjudication of major adverse cardiovascular events.

Trial Health

35
At Risk

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Trial has exceeded expected completion date
Enrollment
80

participants targeted

Target at P50-P75 for all trials

Timeline
Completed

Started Oct 2023

Typical duration for all trials

Status
unknown

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

First Submitted

Initial submission to the registry

July 16, 2023

Completed
18 days until next milestone

First Posted

Study publicly available on registry

August 3, 2023

Completed
2 months until next milestone

Study Start

First participant enrolled

October 1, 2023

Completed
1 year until next milestone

Primary Completion

Last participant's last visit for primary outcome

October 1, 2024

Completed
1.2 years until next milestone

Study Completion

Last participant's last visit for all outcomes

December 30, 2025

Completed
Last Updated

August 3, 2023

Status Verified

July 1, 2023

Enrollment Period

1 year

First QC Date

July 16, 2023

Last Update Submit

July 25, 2023

Conditions

Keywords

IVUSThrombusSTEMI

Outcome Measures

Primary Outcomes (2)

  • Rate of "Target vessel failure" at 12 months of follow-up in association with IVUS measurements

    Follow-up will be obtained using online patient-reported outcome measurements by email or standardized telephone calls at 30 days, 6 months and 12 months after the procedure. Primary follow-up outcome of interest is the composite endpoint of target vessel failure (cardiac death, new-onset heart failure, target vessel myocardial infarction, clinically driven target vessel revascularization or target lesion revascularization).

    2 years

  • All-cause mortality at 12 months of follow-up in association with IVUS measurements

    Co-primary study outcome will be the investigation of all-cause mortality (i.e., death from any cause) after hospitalization and during follow-up.

    2 years

Secondary Outcomes (15)

  • In-hospital (post-PCI) adverse events in association with IVUS measurements

    2 years

  • Pre-procedural angiographic outcomes in association with IVUS measurements

    2 years

  • Post-procedural angiographic outcomes in association with IVUS measurements

    2 years

  • Post-PCI iFR measurement in association with IVUS measurements

    2 years

  • Microtomographic thrombus volume in association with IVUS measurements

    2 years

  • +10 more secondary outcomes

Study Arms (1)

Patients with STEMI undergoing IVUS-guided primary PCI

The ULTRA-STEMI trial will include consecutive patients with STEMI undergoing IVUS-guided primary PCI. All participants will undergo: IVUS intra-coronary imaging at baseline-, post-intervention and post-optimization. If manual thrombus aspiration is needed, the aspirated thrombotic material will be collected to be micro-CT scanned. Post-PCI iFR will be also performed in each participant. Clinical, angiographic and peri-procedural data will be collected. Each participant will be subject to telephone follow-up at 1, 6 and 12 months.

Device: IVUS imaging for primary PCI guidance

Interventions

Eagle Eye Platinum Intravascular ultrasound (IVUS) will be used to assess intra-coronary plaque, thrombus or stenosis in patients with STEMI. The device is FDA- and EMA-approved and routinely used in clinical practice. Quantitative and qualitative IVUS parameters will be collected and recorded for all participants to be correlated with clinical, imaging and angiographic outcomes of interest.

Patients with STEMI undergoing IVUS-guided primary PCI

Eligibility Criteria

Age18 Years+
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)
Sampling MethodNon-Probability Sample
Study Population

All adult patients presenting with STEMI undergoing primary PCI for a native coronary artery culprit lesion will undergo IVUS (at baseline, post-intervention and post-optimization) and post-PCI iFR.

You may qualify if:

  • Patients with acute STEMI undergoing primary PCI within 12 hours of symptom onset according to the 4th universal definition of myocardial infarction.
  • Age \>18 years

You may not qualify if:

  • Patients presenting with cardiogenic shock
  • Patients with a known contraindication for primary PCI
  • Pregnancy
  • Presentation ≥12 hours after symptom onset

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Related Publications (3)

  • Groenland FTW, Mahmoud KD, Neleman T, Ziedses des Plantes AC, Scoccia A, Ligthart J, Witberg KT, Nuis RJ, den Dekker WK, Wilschut JM, Diletti R, Zijlstra F, Kardys I, Cummins P, Van Mieghem NM, Daemen J. Tissue characterisation and primary percutaneous coronary intervention guidance using intravascular ultrasound: rationale and design of the SPECTRUM study. Open Heart. 2022 Apr;9(1):e001955. doi: 10.1136/openhrt-2021-001955.

    PMID: 35437257BACKGROUND
  • Karagiannidis E, Papazoglou AS, Sofidis G, Chatzinikolaou E, Keklikoglou K, Panteris E, Kartas A, Stalikas N, Zegkos T, Girtovitis F, Moysidis DV, Stefanopoulos L, Koupidis K, Hadjimiltiades S, Giannakoulas G, Arvanitidis C, Michaelson JS, Karvounis H, Sianos G. Micro-CT-Based Quantification of Extracted Thrombus Burden Characteristics and Association With Angiographic Outcomes in Patients With ST-Elevation Myocardial Infarction: The QUEST-STEMI Study. Front Cardiovasc Med. 2021 Apr 21;8:646064. doi: 10.3389/fcvm.2021.646064. eCollection 2021.

    PMID: 33969012BACKGROUND
  • Didagelos M, Pagiantza A, Zegkos T, Zarra K, Angelopoulos V, Kouparanis A, Peteinidou E, Kassimis G, Karvounis H, Ziakas A. Low Molecular Weight Heparin in Improving RAO After Transradial Coronary Catheterization: The LOW-RAO Randomized Study. JACC Cardiovasc Interv. 2022 Aug 22;15(16):1686-1688. doi: 10.1016/j.jcin.2022.05.047. Epub 2022 Jul 27. No abstract available.

    PMID: 35981848BACKGROUND

Biospecimen

Retention: SAMPLES WITH DNA

Aspirated thrombotic samples (in cases with large thrombus burden) will be collected to undergo micro-CT scanning.

MeSH Terms

Conditions

ST Elevation Myocardial InfarctionThrombosis

Condition Hierarchy (Ancestors)

Myocardial InfarctionMyocardial IschemiaHeart DiseasesCardiovascular DiseasesVascular DiseasesInfarctionIschemiaPathologic ProcessesPathological Conditions, Signs and SymptomsNecrosisEmbolism and Thrombosis

Study Officials

  • Georgios Kassimis, MD, PhD

    2ND Cardiology Department, Hippokrateion General Hospital of Thessaloniki, Greece

    PRINCIPAL INVESTIGATOR

Central Study Contacts

Georgios Kassimis, MD, PhD

CONTACT

Efstratios Karagiannidis, MD, PhD

CONTACT

Study Design

Study Type
observational
Observational Model
COHORT
Time Perspective
PROSPECTIVE
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Principal Investigator

Study Record Dates

First Submitted

July 16, 2023

First Posted

August 3, 2023

Study Start

October 1, 2023

Primary Completion

October 1, 2024

Study Completion

December 30, 2025

Last Updated

August 3, 2023

Record last verified: 2023-07