24 Versus 12-Month Dual Antiplatelet Therapy After Drug-Eluting Stent in Patients With Elevated Lipoprotein(a) Levels: A Prospective, Multicenter, Double-Blind, Placebo-Controlled Randomized Trial
1. Main objective Among patients with elevated Lp(a) levels (\>30mg/dL) who did not experience cardiovascular events or BARC type 2, 3, or 5 bleeding within 12 months after PCI and DES implantation, was it possible to reduce the primary adverse cardiovascular and cerebrovascular events (a composite endpoint consisting of all-cause death, non-fatal myocardial infarction, and stroke) by extending th…
1. Main objective Among patients with elevated Lp(a) levels (\>30mg/dL) who did not experience cardiovascular events or BARC type 2, 3, or 5 bleeding within 12 months after PCI and DES implantation, was it possible to reduce the primary adverse cardiovascular and cerebrovascular events (a composite endpoint consisting of all-cause death, non-fatal myocardial infarction, and stroke) by extending the duration of DAPT (24 months) compared to the standard duration (12 months)? (Efficacy test)
2. Secondary Objectives Key secondary research objective: Among patients with elevated Lp(a) levels (\> 30mg/dL) who underwent PCI and received DES implantation within 12 months after the procedure, and who did not experience cardiovascular events or BARC type 2, 3, or 5 bleeding, whether extending the DAPT duration (24 months) compared to the standard DAPT duration (12 months) does not result in an increase in clinical net adverse events (a composite endpoint consisting of all-cause death, non-fatal myocardial infarction, stroke, and BARC type 3 or 5 bleeding) compared to the standard DAPT duration. (Non-inferiority test) Other secondary research objectives: To evaluate the differences in the incidence of the composite endpoint consisting of BARC type 3 or 5 bleeding (the primary safety endpoint) between extending the DAPT duration (24 months) and the standard DAPT duration (12 months); the differences in the incidence of the composite endpoint consisting of cardiovascular death and myocardial infarction; the differences in the incidence of the composite endpoint consisting of all-cause death and myocardial infarction; the differences in the incidence of stent thrombosis; the differences in the incidence of any myocardial infarction; the differences in the incidence of target vessel myocardial infarction; the differences in the incidence of stroke; the differences in the incidence of ischemic stroke; the differences in the incidence of hemorrhagic stroke; the differences in the incidence of cardiovascular death; the differences in the incidence of all-cause death; the differences in the incidence of repeat revascularization; the differences in the incidence of target vessel revascularization; the differences in the incidence of BARC type 2, 3, or 5 bleeding; the differences in the incidence of any bleeding.
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Eligibility Criteria
Inclusion Criteria:
1. Male or nonpregnant female between 18-75 years;
2. Subjects with Lp(a) levels \> 30mg/dL before percutaneous coronary intervention (PCI);
3. PCI procedure with drug-eluting stent (DES) implantation and no cardiovascular events or BARC type 2, 3, or 5 bleeding events occurring…
Inclusion Criteria:
1. Male or nonpregnant female between 18-75 years;
2. Subjects with Lp(a) levels \> 30mg/dL before percutaneous coronary intervention (PCI);
3. PCI procedure with drug-eluting stent (DES) implantation and no cardiovascular events or BARC type 2, 3, or 5 bleeding events occurring within 12 months after the procedure
4. Subjects (or legal guardian) understand the trial requirements and the treatment procedures and provides written informed;
Exclusion Criteria:
1. Subjects with Lp(a) \< 30mg/dL or Lp(a) level unavailable before PCI;
2. Subjects who experience adverse cardiovascular events (death, myocardial infarction, stent thrombosis, stroke, repeat coronary revascularization, or Bleeding Academic Research Consortium \[BARC\] type 2, 3 or 5 bleeding) within 1-year after PCI;
3. BARC type 2, 3, or 5 bleeding occurred before PCI
4. Unable to tolerate DAPT therapy or anticoagulant therapy at the same time, long-term use of non-steroidal anti-inflammatory drugs is required Or glucocorticoids;
5. Discontinuation of DAPT for ≥14 days for planned surgical procedures in the next 12 months;
6. Systolic blood pressure \< 90mmHg for \> 30 minutes accompanied by hypoperfusion symptoms or systolic blood pressure ≥ 90mmHg is maintained with mechanical/pharmacologic hemodynamic support;
7. Persistent symptoms of myocardial ischemia;
8. Moderate to severe heart failure (New York Heart Association \[NYHA\] Functional Classification III or IV) or last known left ventricular ejection fraction (LVEF) \< 40%;
9. Severe valvular heart disease, myocarditis or cardiomyopathy;
10. Severe hepatic insufficiency (ALT or AST \> 3 times upper limit of normal, total bilirubin \> 2.5 times upper limit of normal);
11. Severe renal dysfunction, defined as creatinine clearance \<30 mL/min or estimated glomerular filtration (eGFR) rate less than 30 ml/min/1.73m2, or requirement for peritoneal dialysis or hemodialysis for renal insufficiency;
12. Severe acute or chronic infectious disease;
13. History of severe rheumatic immune disease or malignant tumor;
14. Currently receiving treatment in another investigational device or drug study, or less than 30 days since ending treatment on another investigational device or drug study(ies), or receiving other investigational agent(s);
15. Drug or alcohol abuse, and inability/unwillingness to abstain from drug abuse and excessive alcohol consumption during the study;
16. Recipient of any major organ transplant (eg, lung, liver, heart, bone marrow, renal);
17. Known significant active and uncontrolled disease, or any medical, physical condition, as judged by the investigator Or surgical status, may interfere with participation in this study
18. Mental/psychological disorder or any other reason that the subject is expected to have difficulty complying with the study requirements or understanding the participants With the objectives and potential risks of the study;
19. To the knowledge of the investigator, subjects were unlikely to follow up or were not expected to complete 1 year of follow-up;
20. Life expectancy is less than 1 year;
22\. Refusal to participate in the study
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