Acute Myocardial InfarctionCOMPLETE-2NCT05701358
Physiology-guided vs Angiography-guided Non-culprit Lesion Complete Revascularization for Acute MI & Multivessel Disease
A study testing Physiology-guided NCL PCI and Angiography-guided NCL PCI in people with Acute Myocardial Infarction and Coronary Artery Disease, run by Population Health Research Institute at 138 sites in 20 countries.
Trial summary
COMPLETE-2 is a prospective, multi-centre, randomized controlled trial comparing a strategy of physiology-guided complete revascularization to angiography-guided complete revascularization in patients with acute ST-segment elevation myocardial infarction (STEMI) or non-ST-segment elevation myocardial infarction… Read more about this study
- Who is it for?
- Ages 18 years and older
- Conditions the study is for
- Acute Myocardial Infarction, Coronary Artery Disease
- What is being tested?
- Physiology-guided NCL PCI and Angiography-guided NCL PCI
- Type of treatment
- Surgery or procedure
- Could I receive a placebo?
- No, everyone receives an active treatment
- How many people
- 5,100 participants
- Where
- 138 sitesin 20 countries
- Study dates
- 22 Jun 2023to Jun 2028
- Phase
- Interventional
- Are there results?
- Not yet: the study is under way
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
- Patients presenting with STEMI or type 1 NSTEMI and within 72 hours of successful culprit-lesion PCI
- Residual coronary artery disease defined as at least 1 additional non-infarct-related coronary artery stenosis that meets all of the following criteria:
- Amenable to successful treatment with PCI
- At least 50% diameter stenosis by visual estimation
- At least 2.5 mm in diameter
- Planned complete revascularization strategy for qualifying MI
Who cannot join
- Planned or prior coronary artery bypass graft (CABG) surgery
- Inability to clearly identify a culprit lesion for STEMI or NSTEMI based on angiographic appearance and/or ECG changes and/or regional wall motion abnormalities
- Prior PCI of a non-culprit lesion in a different vessel from the culprit lesion within 45 days of randomization
- Planned medical treatment of all qualifying non-culprit lesions (i.e., no PCI)
- Presence of severe non-culprit-lesion stenosis with reduced epicardial flow (TIMI flow ≤ 2) or >90% visual diameter stenosis
- Presence of a chronic total occlusion (CTO) if it is the only qualifying non-culprit lesion (patients with a CTO plus additional qualifying non-culprit lesions are eligible)
Show all 10Show fewer
- The only qualifying non-culprit lesion is in the same vessel territory as the culprit lesion
- Baseline STEMI or NSTEMI was due to a suspected non-atherothrombotic mechanism such as type 2 MI (supply-demand mismatch), including spontaneous coronary artery dissection or coronary artery embolism
- Non-cardiovascular co-morbidity with expected life expectancy <2 years
- Any other medical, geographic, or social factor making study participation impractical or precluding 5 year follow-up
Trial locations and contacts
138 sites in 20 countries.
138 sites in 20 countries
Canada24 sites
William Osler Health System
Brampton
University of Alberta Hospital, Mazankowski Heart
Edmonton
Hamilton Health Sciences
Hamilton
Kingston Health Sciences Centre
Kingston
St. Mary's General Hospital
Kitchener
London Health Sciences Centre
London
McGill University Health Centre (MUHC)
Montreal, Quebec, H4A 3J1
Centre Hospitalier de l'Universite de Montreal
Montreal
Hopital du Sacre-Coeur de Montreal
Montreal
Southlake Regional Health Centre
Newmarket
Nova Scotia Health
Nova Scotia
University of Ottawa Heart Institute
Ottawa
Institut Universitaire de Cardiologie et de Pneumologie de Québec
Québec
Regina General Hospital
Regina
Royal University Hospital
Saskatoon
Niagara Health
St. Catharines
Newfoundland and Labrador Health Services
St. John's
Thunder Bay Regional Health Sciences Centre
Thunder Bay
St. Michael's Hospital (Unity Health Toronto)
Toronto
Sunnybrook Health Sciences Centre
Toronto
Ciusss McQ - Chaur
Trois-Rivières
St Paul's Hospital
Vancouver
Vancouver General Hospital
Vancouver
St. Boniface Hospital
Winnipeg
United Kingdom21 sites
East Kent Hospitals University NHS Foundation Trust
Ashford
Blackpool Teaching Hospitals
Blackpool
Ninewells Hospital
Dundee
Harefield Hospital
Harefield
Kettering General Hospital
Kettering
Leeds General Infirmary
Leeds
University Hospitals of Leicester
Leicester
Liverpool Heart and Chest Hospital
Liverpool
Barts Health NHS Trust
London
Imperial College Healthcare NHS Trust
London
Royal Free London NHS Foundation Trust
London
Western Health and Social Care Trust
Londonderry
Manchester University NHS Foundation Trust
Manchester
The James Cook University Hospital
Middlesbrough
Freeman Hospital
Newcastle upon Tyne
Royal Berkshire Foundation NHS Trust
Reading
Sheffield Teaching Hospitals
Sheffield
East and North Hertfordshire NHS Trust
Stevenage
Royal Cornwall Hospitals NHS Trust
Truro
The Royal Wolverhampton NHS Trust
Wolverhampton
Worcestershire Acute Hospitals NHS Trust
Worcester
United States14 sites
University of Michigan
Ann Arbor, Michigan, 48109
The Johns Hopkins University School of Medicine
Baltimore, Maryland, 21205
University of Virginia Medical Center
Charlottesville, Virginia, 22903
Cleveland Clinic
Cleveland, Ohio, 44195
Metropolitan Cardiology Consultants / Metropolitan Heart and Vascular Institute (MCC/MHVI)
Coon Rapids, Minnesota, 55433
Bassett Medical Center
Cooperstown, New York, 13326
RWJ Barnabas Health
Jersey City, New Jersey, 07302
UCLA
Los Angeles, California, 90095
VA New York Harbor HealthCare System
New York, New York, 10010
NYU Grossman School of Medicine
New York, New York, 10016
The Heart Hospital Baylor Plano
Plano, Texas, 75093
University of California, San Francisco
San Francisco, California, 94143
Montefiore Medical Center
The Bronx, New York, 10467
Cardiovascular Research Institute of Kansas
Wichita, Kansas, 67226
India10 sites
Apollo Hospital
Chennai, Tamil Nadu
The Madras Medical Mission
Chennai, Tamil Nadu
Lisie Hospital
Ernākulam, Kerala
Medanta - The Medicity
Gurugramam
Apollo Rajshree Hospitals
Indore, Madhya Pradesh
Rukmani Birla Hospital
Jaipur, Rajasthan
Meditrina Hospital
Kollam, Kerala
Caritas Hospital Trust
Kottayam, Kerala
Meenakshi Mission Hospital and Research Center
Madurai, Tamil Nadu
Krishna Institute of Medical Sciences
Secunderabad
Australia9 sites
Flinders Medical Centre
Bedford Park
Eastern Health
Box Hill
Campbelltown Hospital
Campbelltown
The Prince Charles Hospital
Chermside
Gosford Hospital
Gosford
Northern Health
Melbourne
Royal Melbourne Hospital
Parkville
Royal Perth Hospital
Perth
Westmead Hospital
Westmead, New South Wales
Germany9 sites
Kerckhoff-Klinik Bad Nauheim
Bad Nauheim
Berufsgenossenschaftliches Universitatsklinikum
Bochum
St. Vinzenz-Hospital
Cologne
Helios Amper-Klinikum
Dachau
Universitatsklinikum Frankfurt
Frankfurt
Schoen Klink Hamburg
Hamburg
University Heart & Vascular Center Hamburg
Hamburg
WKK Heide
Heide
Heart Center Leipzig
Leipzig
Italy8 sites
Azienda USL Toscana Sud Est
Arezzo
UOC Cardiologia - Ospedale Maggiore
Bologna
Azienda Ospedaliero - Universitaria di Ferrara
Ferrara
Misericordia Hospital
Grosseto
Fondazione IRCCS Policlinico San Matteo
Pavia
Azienda USL-IRCCS di Reggio Emilia, Reggio
Reggio Emilia
Sant Andrea Hospital - Sapienza University
Rome
AOU Citta Della Salute e della Scienza di Torino
Torino
Sweden8 sites
Sahlgrenska University Hospital
Gothenburg
Karolinska University Hospital
Huddinge
Lanssjukhuset RYHOV
Jönköping
Karlstad Central Hospital
Karlstad
Skane University Hospital
Lund
Danderyd Hospital
Stockholm
Umeå University Hospital
Umeå
Uppsala University Hospital
Uppsala
Spain7 sites
Hospital Clinico San Carlos
Madrid
Hospital Ramon y Cajal
Madrid
Hospital Universitario de La Princesa
Madrid
Hospital Universitario La Paz
Madrid
Hospital Virgen del Rocio
Seville
Hospital Universitari i Politecnic La Fe
Valencia
Hospital Clinico Universitario de Valladolid
Valladolid
Poland5 sites
Provincial Specialized Hospital
Legnica, Lower Silesian Voivodeship
Miedziowym Centrum Zdrowia S.A. w Lubinie
Lubin, Lower Silesian Voivodeship
Medical University of Warsaw
Warsaw, Masovian Voivodeship
Provincial Specialist Hospital in Wroclaw
Wroclaw
Tadeusz Marciniak Lower Silesia Specialist Hospital
Wroclaw
Hungary4 sites
Gottsegen National Cardiovascular Center
Budapest
Semmelweis University Heart and Vascular Center
Budapest
Szabolcs-Szatmar-Bereg County Hospitals and University
Nyíregyháza
University of Szeged
Szeged
Netherlands4 sites
OLVG
Amsterdam
Albert Schweitzer Ziekenhuis
Dordrecht
Zuyderland Medisch Centrum
Heerlen
Radboud University Medical Cente
Nijmegen
Denmark3 sites
Aalborg University Hospital
Aalborg
Aarhus University Hospital
Aarhus
Rigshospitalet - Copenhagen University Hospital
Copenhagen
Finland3 sites
Helsinki University Hospital
Helsinki
TAYS Sydankeskus Oy
Tampere
Turku University Hospital
Turku
Norway3 sites
Sorlandet Hospital Arendal
Kristiansand, Arendal
Oslo University Hospital Ulleval
Oslo
Stavanger University Hospital
Stavanger
Serbia2 sites
Institute for Cardiovascular Diseases Dedinje
Belgrade
University Clinical Center of Serbia
Belgrade
About this study
Official title: A Randomized Trial of Physiology-guided vs Angiography-guided Non-culprit Lesion Complete Revascularization Strategies & an Observational Study of Optical Coherence Tomography in Patients With Acute MI & Multivessel Coronary Artery Disease
COMPLETE-2 is a prospective, multi-centre, randomized controlled trial comparing a strategy of physiology-guided complete revascularization to angiography-guided complete revascularization in patients with acute ST-segment elevation myocardial infarction (STEMI) or non-ST-segment elevation myocardial infarction (NSTEMI) and multivessel coronary artery disease (CAD) who have undergone successful culprit lesion Percutaneous Coronary Intervention (PCI).
COMPLETE-2 OCT is a large scale, prospective, multi-centre, observational, imaging study of patients with STEMI or NSTEMI and multivessel CAD in a subset of eligible COMPLETE-2 patients.
Read the detailed description
COMPLETE-2 STUDY OBJECTIVES
- To determine whether a strategy of physiology-guided complete revascularization is non-inferior to a strategy of angiography-guided complete revascularization on the efficacy composite outcome of cardiovascular (CV) death, new myocardial infarction (MI) or ischemia-driven revascularization (IDR).
- To determine whether a physiology-guided complete revascularization strategy is superior to an angiography-guided complete revascularization strategy in reducing the safety composite outcome of clinically significant bleeding, stroke, stent thrombosis or contrast-associated acute kidney injury.
- Being tested
- Physiology-guided NCL PCI, Angiography-guided NCL PCI
- Keywords
- NSTEMI, STEMI, multi-vessel disease, optical coherence tomography, FFR, RFR, percutaneous coronary intervention
- Medical subject headings
- Coronary Artery Disease, Non-ST Elevated Myocardial Infarction, ST Elevation Myocardial Infarction
What participants receive
What participants receive. In a randomised study each person is assigned to one group by chance.
Physiology-guided NCL PCIProcedure or surgery
For RFR, PCI will be performed as per local practice for all lesions with RFR ≤0.89. For FFR, PCI will be performed as per local practice for all NCLs with FFR ≤0.80.
Angiography-guided NCL PCIProcedure or surgery
PCI will be performed as per local practice
| Study group | Role | What they receive |
|---|---|---|
| Physiology-guided Non-Culprit-Lesion (NCL) PCI | Active comparator | Patients randomized to this group will have their physiology assessment using RFR and/or FFR of all qualifying NCLs that were identified prior to randomization. Other validated non-hyperemic physiology ratios (eg. iFR) may only be used when RFR is not available. Receives: Procedure: Physiology-guided NCL PCI |
| Angiography-guided NCL PCI | Other | Patients randomized to this group will undergo routine staged PCI of all qualifying NCLs that were identified prior to randomization. Receives: Procedure: Angiography-guided NCL PCI |
What is being measured
The primary outcome is the main question the study is designed to answer.
Efficacy: Time to first occurrence of the composite of CV death, new MI, or IDR
Measured: at study completion, a minimum of 2 years
Safety: Time to first occurrence of the composite of clinically significant bleeding, stroke, stent thrombosis, or contrast-associated acute kidney injury.
Measured: at study completion, a minimum of 2 years
Secondary outcomes (2)
Time to first occurrence of the composite of CV death or new MI.
Measured: at study completion, a minimum of 2 years
Net clinical outcome: Time to first occurrence of the composite of CV death, new MI, clinically significant bleeding, stroke, stent thrombosis or contrast-associated acute kidney injury.
Measured: at study completion, a minimum of 2 years
Timeline
From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.
- First posted27 Jan 2023
- Study start22 Jun 2023
- Primary completionJun 2028 (estimated)
- Study completionJun 2028 (estimated)
Resources
- Official record on ClinicalTrials.govThe registry entry this page is built from, with its full change history.
- Publications (1)Papers the sponsor has linked to this study.
- Other trials for Acute Myocardial InfarctionStudies of the same condition, open and under way.
- What the trial phases meanHow a treatment moves from first tests in people to approval.
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 N/A
- Primary purpose
- Treatment
- Allocation
- Randomised
- Intervention model
- Parallel groups
- Masking
- Single blind
- Who is masked
- Outcomes assessor
- Enrolment
- 5,100 participants (estimated)
Sponsor and investigators
- Lead sponsor
- Population Health Research Institute
- Sponsor type
- University, hospital or other
- Responsible party
- Sponsor
- Investigators
- Shamir Mehta, MD, Principal investigator, Population Health Research Institute
IDs, dates and publications
- ClinicalTrials.gov ID
- NCT05701358
- Sponsor's protocol ID
- COMPLETE-2
- Acronym
- COMPLETE-2
- Status last verified
- Oct 2026
- First submitted
- 17 Jan 2023
- Last updated
- 20 Oct 2026
- Results posted
- No
- Data monitoring committee
- Yes
- FDA-regulated drug
- No
- FDA-regulated device
- No
Publications
Heller T, Ong P, Sechtem U, Bekeredjian R. Management of multivessel disease in patients with ST-segment elevation myocardial infarction: questioning routine immediate complete revascularization in all patients. Coron Artery Dis. 2026 Dec 1;37(8):625-633. doi: 10.1097/MCA.0000000000001661. Epub 2026 Jul 10.
PubMed 42423587
Study at a glance
From the registry record, last updated by the sponsor on 20 Oct 2026. Recruitment status is as the sponsor reported it: confirm with the study team.
- Official title
- A Randomized Trial of Physiology-guided vs Angiography-guided Non-culprit Lesion Complete Revascularization Strategies & an Observational Study of Optical Coherence Tomography in Patients With Acute MI & Multivessel Coronary Artery Disease
- ClinicalTrials.gov ID
- NCT05701358
- Acronym / sponsor ID
- COMPLETE-2 / COMPLETE-2
- Keywords
- NSTEMI, STEMI, multi-vessel disease, optical coherence tomography, FFR, RFR, percutaneous coronary intervention
- Study type
- Interventional
- Recruitment status
- Active, not recruiting
- Enrolment
- 5,100 participants (estimated)
- Lead sponsor
- Population Health Research InstituteUniversity, hospital or other
- Study start
- 22 Jun 2023 (actual)
- Primary completion
- Jun 2028 (estimated)
- Study completion
- Jun 2028 (estimated)
- First posted
- 27 Jan 2023 (actual)
- Results
- Not posted in the source record
Clinical summary
The research question as the sponsor registered it. This describes what the study plans to test, not what it found.
COMPLETE-2 is a prospective, multi-centre, randomized controlled trial comparing a strategy of physiology-guided complete revascularization to angiography-guided complete revascularization in patients with acute ST-segment elevation myocardial infarction (STEMI) or non-ST-segment elevation myocardial infarction (NSTEMI) and multivessel coronary artery disease (CAD) who have undergone successful culprit lesion Percutaneous Coronary Intervention (PCI).
COMPLETE-2 OCT is a large scale, prospective, multi-centre, observational, imaging study of patients with STEMI or NSTEMI and multivessel CAD in a subset of eligible COMPLETE-2 patients.
Detailed description
COMPLETE-2 STUDY OBJECTIVES
- To determine whether a strategy of physiology-guided complete revascularization is non-inferior to a strategy of angiography-guided complete revascularization on the efficacy composite outcome of cardiovascular (CV) death, new myocardial infarction (MI) or ischemia-driven revascularization (IDR).
- To determine whether a physiology-guided complete revascularization strategy is superior to an angiography-guided complete revascularization strategy in reducing the safety composite outcome of clinically significant bleeding, stroke, stent thrombosis or contrast-associated acute kidney injury.
Study design
- Primary purpose
- Treatment
- Allocation
- Randomised
- Intervention model
- Parallel groups
- Masking
- Single blind (outcomes assessor)
- Number of arms
- 2
| Arm | Type | Receives |
|---|---|---|
| Physiology-guided Non-Culprit-Lesion (NCL) PCI | Active comparator | Procedure: Physiology-guided NCL PCIPatients randomized to this group will have their physiology assessment using RFR and/or FFR of all qualifying NCLs that were identified prior to randomization. Other validated non-hyperemic physiology ratios (eg. iFR) may only be used when RFR is not available. |
| Angiography-guided NCL PCI | Other | Procedure: Angiography-guided NCL PCIPatients randomized to this group will undergo routine staged PCI of all qualifying NCLs that were identified prior to randomization. |
Who may qualify
- Ages
- 18 years and older
- Sex
- All
- Healthy volunteers
- Not accepted
- Age groups
- Adult, Older adult
Key inclusion criteria (6 listed)
- Patients presenting with STEMI or type 1 NSTEMI and within 72 hours of successful culprit-lesion PCI
- Residual coronary artery disease defined as at least 1 additional non-infarct-related coronary artery stenosis that meets all of the following criteria:
- Planned complete revascularization strategy for qualifying MI
Key exclusion criteria (10 listed)
- Planned or prior coronary artery bypass graft (CABG) surgery
- Inability to clearly identify a culprit lesion for STEMI or NSTEMI based on angiographic appearance and/or ECG changes and/or regional wall motion abnormalities
- Prior PCI of a non-culprit lesion in a different vessel from the culprit lesion within 45 days of randomization
- Planned medical treatment of all qualifying non-culprit lesions (i.e., no PCI)
- Presence of severe non-culprit-lesion stenosis with reduced epicardial flow (TIMI flow ≤ 2) or >90% visual diameter stenosis
Eligibility is decided by the study team after screening; this overview does not establish that a patient qualifies. Full inclusion and exclusion criteria.
Interventions
| Intervention | Type | Arms |
|---|---|---|
| Physiology-guided NCL PCIFor RFR, PCI will be performed as per local practice for all lesions with RFR ≤0.89. For FFR, PCI will be performed as per local practice for all NCLs with FFR ≤0.80. | Procedure or surgery | Physiology-guided Non-Culprit-Lesion (NCL) PCI |
| Angiography-guided NCL PCIPCI will be performed as per local practice | Procedure or surgery | Angiography-guided NCL PCI |
Primary outcome
Efficacy: Time to first occurrence of the composite of CV death, new MI, or IDR
Time frame: at study completion, a minimum of 2 years
Safety: Time to first occurrence of the composite of clinically significant bleeding, stroke, stent thrombosis, or contrast-associated acute kidney injury.
Time frame: at study completion, a minimum of 2 years
2 secondary outcomes
Time to first occurrence of the composite of CV death or new MI.
Time frame: at study completion, a minimum of 2 years
Net clinical outcome: Time to first occurrence of the composite of CV death, new MI, clinically significant bleeding, stroke, stent thrombosis or contrast-associated acute kidney injury.
Time frame: at study completion, a minimum of 2 years
Results and safety
This study is still under way. Results are not available in the source record yet.
Research links
- Official record on ClinicalTrials.govLast updated by the sponsor 20 Oct 2026.
- Derived from this study: PubMed 42423587Heller T, Ong P, Sechtem U, Bekeredjian R. Management of multivessel disease in patients with ST-segment elevation myocardial infarction: questioning routine immediate complete revascularization in all patients. Coron Artery Dis. 2026 Dec 1;37(8):625-633. doi: 10.1097/MCA.0000000000001661. Epub 2026 Jul 10.
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Referral and contact
AzTrials does not enrol participants or take referrals. Contact the study team or a site listed below; they decide who can take part. This study is not recruiting at the moment.
Shamir Mehta, MD principal investigator
Population Health Research Institute
138 sites in 20 countries: see every site and its status.
Questions about this trial
What is this clinical trial studying?
A study testing Physiology-guided NCL PCI and Angiography-guided NCL PCI in people with Acute Myocardial Infarction and Coronary Artery Disease, run by Population Health Research Institute at 138 sites in 20 countries.
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 6 inclusion and 10 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: under way, not looking for participants, as of the sponsor's last update on 20 Oct 2026. Status can change between updates, so confirm with the study contact before making plans.
Where is the study taking place?
The record lists 138 sites in Canada, United Kingdom, United States, India, Australia and 15 more countries. 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.
Are results available for this study?
This study is still under way. Results are not available in the source record yet.
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?
Efficacy: Time to first occurrence of the composite of CV death, new MI, or IDR (time frame: at study completion, a minimum of 2 years). The study lists 2 primary outcomes in all. 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 NCT05701358, 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 20 Oct 2026.