Skip to content

Mono Antiplatelet and Colchicine Therapy

Aspirin-free Therapy After Successful Percutaneous Coronary Intervention for Acute Coronary Syndrome: the MACT (Mono Antiplatelet and Colchicine Therapy) Pilot Study

Status
Completed
Phases
Phase 4
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT04949516
Acronym
MACT
Enrollment
200
Registered
2021-07-02
Start date
2021-06-15
Completion date
2022-12-31
Last updated
2023-01-04

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Acute Coronary Syndrome, Drug-Eluting Stents

Keywords

Platelet Aggregation Inhibitors, Colchicine

Brief summary

The purpose of this study is to evaluate the efficacy and safety of aspirin-free, P2Y12 inhibitor single antiplatelet and colchicine treatment in patients with acute coronary syndrome treated with drug-eluting stents.

Detailed description

After successful drug-eluting stent implantation for acute coronary syndrome, screening for study subject enrollment is performed. For those who submitted written informed consent, aspirin is stopped the day after the intervention, and colchicine 0.6mg once daily is started. The P2Y12 inhibitor, prasugrel or ticagrelor, for single antiplatelet therapy remains. For the duration of hospital stay, platelet reactivity using VerifyNow test and C-reactive protein are measured. Aspirin may be restarted at the discretion of the investigator based on results of the platelet function test. C-reactive protein is remeasured 30 days after the intervention. Clinical follow-up is performed 30 days and 90 days after the intervention.

Interventions

DRUGAspirin

Aspirin is discontinued the day after drug-eluting stent implantation

DRUGColchicine

Colchicine is started the day after drug-eluting stent implantation

Sponsors

Wonkwang University Hospital
Lead SponsorOTHER

Study design

Allocation
NA
Intervention model
SINGLE_GROUP
Primary purpose
TREATMENT
Masking
NONE

Eligibility

Sex/Gender
ALL
Age
19 Years to 90 Years
Healthy volunteers
No

Inclusion criteria

* Successful PCI with drug-eluting stent for NSTE-ACS or STEMI * Provision of written informed consent

Exclusion criteria

* Cardiac arrest or cardiogenic shock * Age \<19 or \>90 years old * Severe liver impairment * Severe renal impairment (eGFR \<30 mL/min/1.73 m2) * Atrial fibrillation requiring anticoagulation therapy * Intolerance of prasugrel, ticagrelor, or colchicine * History of intracranial hemorrhage * Active bleeding

Design outcomes

Primary

MeasureTime frameDescription
Clinical outcomes - Definite, probable, and possible stent thrombosis (Academic Research Consortium)Assessed at hospital stay and 30/90 days after stent implantationDefinite, probable, and possible stent thrombosis (Academic Research Consortium)

Secondary

MeasureTime frameDescription
Clinical outcomes - Target lesion failureAssessed at hospital stay and 30/90 days after stent implantationComposite time-to-first event rate of cardiac death, TV-MI, or ischemia driven-target lesion revascularization (ID-TLR)
Clinical outcomes - All-cause mortalityAssessed at hospital stay and 30/90 days after stent implantationAll-cause mortality
Clinical outcomes - Cardiac and non-cardiac mortalityAssessed at hospital stay and 30/90 days after stent implantationCardiac and non-cardiac mortality
Clinical outcomes - All myocardial infarctionAssessed at hospital stay and 30/90 days after stent implantationAll myocardial infarction
Clinical outcomes - TV-MI and non-TV-MIAssessed at hospital stay and 30/90 days after stent implantationTV-MI and non-TV-MI
Clinical outcomes - Target vessel failureAssessed at hospital stay and 30/90 days after stent implantationComposite time-to-first event rate of cardiac death, target vessel-myocardial infarction (TV-MI), or ischemia driven-target vessel revascularization (ID-TVR)
Clinical outcomes - ID-TVR, ID-TLR and ID-non-TLR TVRAssessed at hospital stay and 30/90 days after stent implantationID-TVR, ID-TLR and ID-non-TLR TVR
Clinical outcomes - Type 1, type 2, type 3, type 4, and type 5 bleeding (Bleeding Academic Research Consortium)Assessed at hospital stay and 30/90 days after stent implantationType 1, type 2, type 3, type 4, and type 5 bleeding (Bleeding Academic Research Consortium)
Laboratory outcomes - P2Y12 reaction unitAssessed at hospital stayP2Y12 reaction unit using VerifyNow P2Y12 rapid analyzer
Laboratory outcomes - Percent platelet inhibitionAssessed at hospital stayPercent platelet inhibition using VerifyNow P2Y12 rapid analyzer
Laboratory outcomes - C-reactive proteinAssessed at hospital stay and 30 days after stent implantationC-reactive protein
Clinical outcomes - All revascularizationAssessed at hospital stay and 30/90 days after stent implantationAll revascularization

Countries

South Korea

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 10, 2026