Home/Get Matched/NCT05633810
Phase 3Recruiting
View on ClinicalTrials.gov

Testing Aspirin against a placebo for diabete type 2

Official title: COLchicine and Non-enteric Coated Aspirin in the Cardiovascular Outcomes Trial of Patients With Type 2 Diabetes

COLchicine and Non-enteric Coated Aspirin in the Cardiovascular Outcomes Trial of Patients With Type 2 Diabetes (COLCOT-T2D)

Condition: Diabete Type 2Sponsor: Montreal Heart InstituteTarget enrollment: 10000
  • Phase 3
  • 4 groups
  • Sites in Toronto and Montreal
  • Recruiting
St. Michael's Hospital, Toronto, OntarioMontreal Heart Institute, Montreal, Quebec

Interventions (4)

  • Medication

    Aspirin

    40 mg non-enteric-coated tablet taken twice daily.

  • Medication

    Aspirin Placebo

    non-enteric-coated tablet taken twice daily.

  • Medication

    Colchicine

    0.5 mg tablet taken once daily

Canadian Sites (2)

2 of 2 recruiting

  • St. Michael's Hospital

    Toronto, Ontario

    Recruiting
  • Montreal Heart Institute

    Montreal, Quebec

    Recruiting

Eligibility Criteria

See who this study is looking for47 criteria

The trial’s own eligibility text, word for word from the registry. Only the trial site can say who takes part.

Inclusion

  • +Men and women aged 55 to 80 years
  • +Women of childbearing potential must have a negative urine pregnancy test at screeningScreeningThe checks done before joining, to see whether a study fits.Read more →/randomizationRandomisedWhich group you go into is decided by chance, not by you or your doctor.Read more → visit 1 and must agree to use an effective method of birth controlControl groupThe group a new treatment is measured against.Read more → throughout the study. Acceptable means of birth control include: oral contraceptives, implantable contraceptives, injectable contraceptives, transdermal contraceptives, intrauterine devices, male or female condoms with spermicide, abstinence, or a sterile sexual partner.
  • +Type 2 diabetes treated as per national guidelines
  • +No previous history of coronary artery disease-related clinical event
  • +And at least one of the following:
  • +Duration of diabetes of 5 years or more,
  • +HbA1c ≥ 8.0% or more in the last 2 years
  • +High hs-CRP (\> 2.0 mg/L),
  • +High coronary calcium score (Agatston score \>100),
  • +High TG-levels (≥1.7 mmol/L) despite lipid lowering therapy administered as per guidelines,
  • +High LDL-C levels (≥3.5 mmol/L) or high non-HDL-C levels (≥4.2 mmol/L) despite lipid lowering therapy administered as per guidelines
  • +High Apo-B (≥1.05 g/L)
  • +Reduced HDL-C (\<1.05 mmol/L in men, \<1.3 mmol/L in women),
  • +Lp(a) \>50 mg/dL,
  • +Peripheral artery disease with stenosis ≥50% or prior revascularization,
  • +Cerebrovascular disease with stenosis ≥50% or prior revascularization,
  • +Diabetic retinopathy or diabetic neuropathy,
  • +Mild or moderate proteinuria (dipstick analysis) or micro-albuminuria
  • +Have had a hysterectomy or tubal ligation prior to baseline visitBaselineYour starting measurements, taken before treatment begins.Read more → or
  • +Are postmenopausal defined as no menses for 12 months or a FSH level (if available) in the menopausal range.
  • +Patients with the capacity to provide informed consentInformed consentThe process of being told what taking part involves, then choosing freely.Read more →.
  • +Women are considered not of childbearing potential if they either:
  • +Active cigarette smoking,

Exclusion

  • History of an allergic reaction or significant sensitivity to colchicine
  • History of an allergic reaction or significant sensitivity to aspirin (patients meeting this exclusion criterionExclusion criteriaThe things that would prevent someone from taking part.Read more → will not be randomizedRandomisedWhich group you go into is decided by chance, not by you or your doctor.Read more → to receive aspirin or placeboPlaceboA dummy treatment with no active medicine, used for comparison.Read more → but can be randomized to receive colchicine or placebo)
  • History of cirrhosis, chronic active hepatitis or severe hepatic disease
  • Any prior history of myocardial infarction, angina, coronary revascularization, coronary stenosis \>30%, stroke, transient ischemic attack, or known heart failure
  • Known chronic renal insufficiency defined as an estimated glomerular filtration rate (eGFR), using the MDRD equation, of \< 35 mL/min/1.73m2
  • History of cancer or lymphoproliferative disease within the last 3 years other than a successfully treated non-metastatic cutaneous squamous cell or basal cell carcinoma and/or localized carcinoma in situ of the cervix and/or low-grade prostate cancer
  • Inflammatory bowel disease (Crohn's disease or ulcerative colitis) or chronic diarrhea
  • Peptic ulcer diagnosed within the last 24 months or previous gastro-intestinal bleeding, except for mild hemorrhoidal bleeding more than 5 years ago which is permitted (patients meeting this exclusion criterion will not be randomized to receive aspirin or placebo but can be randomized to receive colchicine or placebo)
  • Pre-existent progressive neuromuscular disease or known CPK level \> 3 times the upper limit of normal as measured within the past 30 days and determined to be non-transient through repeat testing
  • Any of the following known parameters as measured within the past 90 days, and determined to be non-transient through repeat testing:
  • hemoglobin \< 100 g/L
  • 2\. white blood cell count \< 3.0 X 10⁹/L
  • platelet count \<110 X 10⁹/L
  • ALT \> 3 times the upper limit of normal (ULN)
  • total bilirubin \> 2 times ULN (unless due to Gilbert syndrome, which is allowed)
  • History of clinically significant drug or alcohol abuse in the last year
  • Patient is currently using or plans to begin chronic systemic steroid therapy (oral or intravenous) during the study (topical or inhaled steroids are allowed, as well as replacement corticosteroids for adrenal insufficiency)
  • Current chronic treatment with aspirin or another antiplatelet agent (patients meeting this exclusion criterion will not be randomized to receive aspirin or placebo but can be randomized to receive colchicine or placebo)
  • Chronic treatment with an anticoagulant agent (patients meeting this exclusion criterion will not be randomized to receive aspirin or placebo but can be randomized to receive colchicine or placebo)
  • Current use of colchicine for other indications (mainly chronic indications consisting of Familial Mediterranean Fever or gout); there is no wash-outWashout periodA gap with no treatment, so the previous one clears your system.Read more → period required for patients who have been treated with colchicine and stopped treatment prior to enrolmentEnrolmentThe number of participants a study plans to include, or has included.Read more →
  • Chronic treatment with an anti-inflammatory agent (for example, anti-TNF-alpha or nonsteroidal anti-inflammatory drug (NSAID))
  • Use of an investigational chemical agent less than 30 days or 5 half-lives prior to the screening visitScreeningThe checks done before joining, to see whether a study fits.Read more → (whichever is longer)
  • Patient is considered by the investigatorPrincipal investigatorThe doctor or researcher responsible for running the study at a site.Read more →, for any reason, to be an unsuitable candidate for the study.
  • Female patient who is pregnant, or breast-feeding or is considering becoming pregnant during the study or for 6 months after the last dose of study medication
5 concepts to explore on this page · up to 1,300 pointsTap any term to learn what it means.

In plain language

Assembled directly from this trial’s registry record. Every sentence traces to a field below — nothing here is generated or interpreted.

Learning 
What this study is

This study is testing a way to prevent a condition from developing.

Phase 3Phase 3A large study comparing a treatment against the current standard.Read more → — a large study comparing this against the current standard, usually across many hospitals.

From the trial registry

Built from these fields:

  • designModule.designInfo.primaryPurpose
  • designModule.phases
Who receives what

There are 4 groups in this study.

Group A, the comparison group, receives one or more of: Aspirin, Aspirin PlaceboPlaceboA dummy treatment with no active medicine, used for comparison.Read more →, Colchicine and Colchicine Placebo.

Registry label: A: Anti-thrombotic arm

Group B, the placebo group, receives one or more of: Aspirin, Aspirin Placebo, Colchicine and Colchicine Placebo.

Registry label: B: Anti-thrombotic arm (Placebo)

Group C, the comparison group, receives one or more of: Colchicine and Colchicine Placebo.

Registry label: C: Anti-inflammatory arm

Group D, the placebo group, receives one or more of: Colchicine and Colchicine Placebo.

Registry label: D: Anti-inflammatory arm (Placebo)

From the trial registry

Built from these fields:

  • armsInterventionsModule.armGroups[].label
  • armsInterventionsModule.armGroups[].type
  • armsInterventionsModule.armGroups[].interventionNames
How the study is run

Which group you would be placed in is decided by chance, like a coin flip — not by you and not by your doctor.

You, the study team, the people giving the treatment, and the people analysing the results would all be kept unaware of which group you are in until the study ends.

From the trial registry

Built from these fields:

  • designModule.designInfo.allocation
  • designModule.designInfo.maskingInfo.masking
Is there a placebo?

One group receives a placeboPlaceboA dummy treatment with no active medicine, used for comparison.Read more → — a dummy treatment with no active medicine in it.

One group receives an existing treatment, so the two can be compared.

From the trial registry

Built from these fields:

  • armsInterventionsModule.armGroups[].type
  • armsInterventionsModule.armGroups[].interventionNames
Who the study is looking for

The study lists an age range of 55 years to 80 years.

The study is open to people of any sex.

The study does not accept healthy volunteersHealthy volunteerSomeone without the condition being studied who takes part anyway.Read more →.

These are the criteria the study lists. Only the trial siteTrial siteA hospital or clinic where a study is actually run.Read more → can decide whether someone can take part.

From the trial registry

Built from these fields:

  • eligibilityModule.minimumAge
  • eligibilityModule.maximumAge
  • eligibilityModule.sex
  • eligibilityModule.healthyVolunteers
How big and how long

The study aims to enrol about 10,000 people.

The study is currently expected to finish around December 2027.

The main measurement is taken over: From randomizationRandomisedWhich group you go into is decided by chance, not by you or your doctor.Read more → to occurrence of first event, assessed up to 60 months.

From the trial registry

Built from these fields:

  • designModule.enrollmentInfo.count
  • statusModule.completionDateStruct.date
  • outcomesModule.primaryOutcomes[].timeFrame
What the study measures

First event of the composite of cardiovascular death, resuscitated cardiac arrest, non-fatal myocardial infarction, non-fatal stroke, or urgent hospitalization for angina requiring coronary revascularization — measured over From randomizationRandomisedWhich group you go into is decided by chance, not by you or your doctor.Read more → to occurrence of first event, assessed up to 60 months.

From the trial registry

Built from these fields:

  • outcomesModule.primaryOutcomes[].measure
  • outcomesModule.primaryOutcomes[].timeFrame

Source: NCT05633810 on ClinicalTrials.gov. The full registry text is further down this page — this summary never replaces it.

Not medical advice. What do these terms mean?

What is being tested — in plain terms

About AspirinDrug

40 mg non-enteric-coated tablet taken twice daily.

From the trial registry — its own words, unedited.

What a drug is here: A medicine — a chemical or small-molecule treatment — given as the thing being studied.

Read the full explanation → · in clinical review

About Aspirin PlaceboDrug

non-enteric-coated tablet taken twice daily.

From the trial registry — its own words, unedited.

What a drug is here: A medicine — a chemical or small-molecule treatment — given as the thing being studied.

Read the full explanation → · in clinical review

About ColchicineDrug

0.5 mg tablet taken once daily

From the trial registry — its own words, unedited.

What a drug is here: A medicine — a chemical or small-molecule treatment — given as the thing being studied.

Read the full explanation → · in clinical review

About Colchicine PlaceboDrug

tablet taken once daily.

From the trial registry — its own words, unedited.

What a drug is here: A medicine — a chemical or small-molecule treatment — given as the thing being studied.

Read the full explanation → · in clinical review

Common questions

Answered from this trial’s registry record. Where the record doesn’t say, these answers say so rather than filling the gap.

Am I eligible for this trial?

Only the trial siteTrial siteA hospital or clinic where a study is actually run.Read more → can decide whether someone can take part. Concord cannot make that determination, and neither can any tool that has not examined you.

What the study lists: an age range of 55 years to 80 years.

The full inclusionInclusion criteriaThe things you must have or be for a study to consider you.Read more → and exclusion criteriaExclusion criteriaThe things that would prevent someone from taking part.Read more → are published on this page, exactly as the study team wrote them.

The useful next step is to bring this trial to your doctor. Answering a few questions first gives them something concrete to review.

From the trial registry
  • eligibilityModule.minimumAge
  • eligibilityModule.maximumAge
  • eligibilityModule.eligibilityCriteria
Is there a placebo?

Yes. This study includes a placeboPlaceboA dummy treatment with no active medicine, used for comparison.Read more → group — a dummy treatment with no active medicine in it.

One group receives an existing treatment so the two can be compared.

From the trial registry
  • armsInterventionsModule.armGroups[].type
Would I know which treatment I am getting?

You, the study team, the people giving the treatment, and the people analysing the results would all be kept unaware of which group you are in until the study ends.

Which group you would be placed in is decided by chance, like a coin flip — not by you and not by your doctor.

From the trial registry
  • designModule.designInfo.maskingInfo.masking
  • designModule.designInfo.allocation
Who can join?

The study lists an age range of 55 years to 80 years.

It is open to people of any sex.

It does not accept healthy volunteersHealthy volunteerSomeone without the condition being studied who takes part anyway.Read more →.

Only the trial siteTrial siteA hospital or clinic where a study is actually run.Read more → can confirm whether a particular person can take part.

From the trial registry
  • eligibilityModule.minimumAge
  • eligibilityModule.maximumAge
  • eligibilityModule.sex
  • eligibilityModule.healthyVolunteers
How long would this take?

The study's main measurement is taken over: From randomizationRandomisedWhich group you go into is decided by chance, not by you or your doctor.Read more → to occurrence of first event, assessed up to 60 months..

The study as a whole is currently expected to finish around 2027-12.

How long any one person takes part can differ from the study length. The study team can tell you what the schedule looks like in practice.

From the trial registry
  • outcomesModule.primaryOutcomes[].timeFrame
  • statusModule.completionDateStruct.date
How many people are taking part?

The study aims to enrol about 10,000 people.

From the trial registry
  • designModule.enrollmentInfo.count
Where is this happening?

This study lists 2 locations, including: Toronto, Ontario, Canada; Montreal, Quebec, Canada.

Sites can open and close during a study, so confirm with the team before travelling.

From the trial registry
  • trial_locations

About This Trial

To evaluate the efficacy and safety of colchicine and non-enteric coated aspirin, combined or alone, to improve cardiovascular outcomes in high-risk patients with type 2 diabetes.

Think this trial might be right for you?

Complete a quick intake form and we will match you with this and other relevant trials based on your medical profile.

See if this trial could fit you

This page is for informational purposes only and does not constitute medical advice. Clinical trial eligibility can only be determined by the trial site after proper screening. Trial information is sourced from ClinicalTrials.gov and may not reflect the most current status. Always consult your healthcare provider before making decisions about clinical trial participation.