The Safety and Long-Term Clinical Benefit of PCSK9i in Addition to Statin Therapy in Patients With ST-Segment Elevation Myocardial Infarction. A Randomized, Open Label Study.
试验速览
- 阶段
- 4 期
- 状态
- 尚未招募
- 入组人数
- 350
- 主要终点
- Major cardiovascular events, defined as the composite of cardiovascular death, myocardial infarction, stroke, hospitalization for unstable angina, or coronary revascularization.
研究概览
简要总结
Patients with acute coronary syndromes (ACS) have an increased risk of recurrent ischemic events, particularly during the first year following the index event, which is mainly due to unattended risk factors and/ or poor compliance with medications. Lowering low-density lipoprotein cholesterol (LDL-C) reduces cardiovascular morbidity and mortality in patients with atherosclerotic cardiovascular disease (ASCVD), with a magnitude of clinical benefit that is proportional to the reduction in LDL-C levels. Proprotein convertase subtilisin/ kexin type 9 (PCSK9) antibodies have emerged as a new class of drugs that rapidly and effectively lower LDL-C levels up to 77 % of the original value in combination with statins.
The primary objective of this study is to confirm the safety and the long-term clinical benefit associated with the use of PCSK9i when combined with statin in patients with ACS-STEMI.
The study is an investigator-initiated, prospective, randomized, open label study that will be the first study looking for the safety and the clinical benefit and outcome associated with the use of PCSK9i in ACS-STEMI patients specifically. Internationally, this will be the first trial studying the effect of PCSK9i on patients with acute myocardial infarction (STEMI) in terms of reduction in cholesterol level and reduction in cardiac events rate (re-infarction and cardiac death) after myocardial infarction. This trial will have a significant impact in the management of patients with STEMI, locally and internationally and it will be conducted purely in Qatar. This trial will help to improve the clinical outcome of patients in Qatar in terms of reduction of myocardial reinfarction rate and mortality.
详细描述
The study is an investigator-initiated, prospective, randomized, open-label study. Patients will be eligible for participation in the trial if they are between 18-70 years of age. All patients presenting with STEMI will be screened for the trial, those patients with LDL-C levels higher than guideline-recommended targets despite prior high-intensity statin therapy (on statin therapy prior to hospital admission), or when the LDL-C not projected to decrease below the recommended targets if they are newly initiated on high intensity statin therapy, will be considered for the study.
Procedures and study interventions.
- Patients hospitalized for ST-segment elevation myocardial infarction [STEMI] with symptom onset <12 h prior to hospitalization) will be potentially eligible.
- Patient will receive the standard care as per the HH guidelines in terms of coronary angiogram, standard therapy of statin, dual antiplatelet, B -Blockers and ACE.
- These patients will be screened for suitability to participate in the study
- The patients will be considered for enrolment if he/she is hemodynamically stable and had a successful PPCI to De-novo lesion in an infarct related artery (NOT stent thrombosis- those will be excluded from the study, also acute occlusion of cardiac grafts will be excluded from the study as well).
- LDL- C will be assessed immediately post angiography: The patient will be eligible for the trial if the LDL-C levels at the screening blood test is one of the following:
>1.8 mmol/l if patients are on stable (unchanged for >4 weeks before screening) treatment with high-intensity statin.
2.3 mmol/l in patients previously taking low- or moderate-intensity statin. 3.2 mmol/l in patients not on statin treatment. 6. Eligible patients will be randomly assigned in a 1:1 ratio to one of the two groups: The control group or the intervention group. 7. The control group will receive the standard, guidelines directed optimal medical therapy. 8. The interventional group will receive Evolocumab 140 mg every 2 weeks in addition to the standard, guideline directed, optimal medical therapy. 9. The optimal medical therapy will include high intensity statin (either atorvastatin 40-80 mg/day or rosuvastatin 20-40 mg /day throughout the study) or maximal tolerated statin (in both groups the statin dose can be titrated up or down as per the standard clinical practice). 10. The study drug will be administered at baseline as early as possible but within 24 hr following hospitalization. In our institute, patients admitted with STEMI will receive primary percutaneous intervention by default. The average time for door to balloon time is around 50 minutes (department data). Randomization and drug administration is not possible within such a short time, in addition consider randomization and drug administration before angiography may results in delay of delivering standard therapy which is of not in the best interest of the patient. 11. The randomization will be done immediately after angiography and aim for drug administration within 24 hr of admission. 12. Blood samples will be obtained at baseline for assessment of fasting lipids and inflammatory markers. 13. All patients recruited for the trial, will receive medical treatment for ACS as per the Heart hospital and international guidelines. Patients that will be considered for the trial should have received coronary angiography and revascularization (percutaneous coronary intervention) as per the hospital guidelines. 14. Patients not fit or rejected re-vascularization with PCI or patient that will need coronary artery bypass grafting [CABG] surgery) will be excluded from this study. 15. Written informed consent will be obtained from all the patients. 16. The research team may ask for supervised injection when suspect non-compliance.
研究设计
- 研究类型
- Interventional
- 分配方式
- Randomized
- 干预模型
- Parallel
- 主要目的
- Treatment
- 盲法
- None
入排标准
- 年龄范围
- 18 Years 至 70 Years（Adult, Older Adult）
- 性别
- All
- 接受健康志愿者
- 否
入选标准
- •Inclusion and exclusion criteria:
- •Inclusion Criteria
- •Male or female ≥ 18 years of age and less than 80 years
- •Hospitalized for a recent ACS-STEMI within 12 hours of onset of symptoms.
- •Successful revascularization with PCI.
- •LDL-C levels defined as follows:
- •LDL-C ≥1.8 mmol/L in patients who have been receiving stable treatment with high-intensity statin within ≥ 4 weeks prior to enrollment (i.e., continuous treatment that has not changed with regard to statin intensity over the past 4 weeks)
- •LDL-C ≥2.3 mmol/L in patients who have been receiving stable treatment with low- or moderate-intensity statin within ≥ 4 weeks prior to enrollment (i.e., continuous treatment that has not changed with regard to statin intensity over the past 4 weeks)
- •LDL-C ≥3.2 mmol/L in patients who are statin-naïve or have not been on a stable (unchanged) statin regimen for at least 4 weeks prior to enrollment.
- •Ability to understand the requirements of the study and to provide informed consent
- •Exclusion criteria
- •Unstable clinical status (hemodynamic or electrical instability)
- •Uncontrolled cardiac arrhythmia, defined as recurrent and symptomatic ventricular tachycardia or atrial fibrillation or flutter with rapid ventricular response not controlled by medications in the past 3 months prior to screening
- •Severe renal dysfunction, defined by estimated glomerular filtration rate <30 ml/min/1.73m2
- •Active liver disease or hepatic dysfunction, either reported in patient medical record or defined by aspartate aminotransferase (AST) or alanine aminotransferase (ALT) levels > 3x the upper limit of normal.
- •Patient need urgent CABG
- •patients symptoms onset is more than 12 hours.
- •Reported intolerance to atorvastatin (any dose) OR statin intolerance defined by the following criteria:
- •inability to tolerate at least 2 different statins (one statin at the lowest starting average daily dose and the other statin at any dose).
- •intolerance associated with confirmed, intolerable statin-related adverse effect(s) or significant biomarker abnormalities.
- •symptom or biomarker changes resolution or significant improvement upon dose decrease or discontinuation.
- •Known allergy to contrast medium, heparin, aspirin, ticagrelor or prasugrel
- •Known sensitivity to any substances or medication to be administered during the trial
- •Patients who previously received Evolocumab or other PCSK9 inhibitor
- •Treatment with systemic steroids or systemic cyclosporine in the past 3 months.
- •Known active infection or major hematologic, metabolic, or endocrine dysfunction in the judgment of the Investigator
- •Patients who will not be available for study-required procedures in the judgment of the Investigator
- •Current enrollment in another investigational device or drug study
- •Active malignancy requiring treatment
- •Pregnant women. For female of childbearing potential (age <50 years and last menstruation within the last 12 months), who did not undergo tubal ligation, ovariectomy or hysterectomy, pregnancy is excluded by a pregnancy test prior to inclusion in the study.
排除标准
- 未提供
研究组 & 干预措施
Interventional Arm
Patient that qualify for the trial will be randomized for receiving the PCSK9i injection in addition to the standard medical therapy.
干预措施: Evolocumab (Drug)
结局指标
主要结局
Major cardiovascular events, defined as the composite of cardiovascular death, myocardial infarction, stroke, hospitalization for unstable angina, or coronary revascularization.
时间窗: 12 months
The primary objective of this study is to confirm the safety and the long-term clinical benefit associated with the use of PCSK9i in combination with statin in patients with ACS-STEMI. The long terms clinical benefit is the reduction in major cardiovascular events, defined as the composite of cardiovascular death, myocardial infarction, stroke, hospitalization for unstable angina, or coronary revascularization.
The safety of PCSK9i in patients with STEMI
时间窗: 12 months
The safety of PCSK9i use in patients admitted with STEMI in terms of adverse events and complications related to the use of PCSK9i.
次要结局
- Changes in High-sensitivity C-reactive protein from baseline to the end of study period(12 months)
- Changes in left ventricular ejection fraction from baseline to the end of study period .(12 months)
- Adverse events and serious adverse events reported during study period.(12 months)
- Changes in carotid intimal thickening from baseline to the end of study period(12 months)
- Individual major cardiovascular events, defined as the composite of cardiovascular death, myocardial infarction, stroke, hospitalization for unstable angina, or coronary revascularization.(12 months)
- Percentage change in calculated LDL-C from baseline to end of study period.(12 months)
研究者
Dr. Mohammed Thamer Ali
Consultant Interventional Cardiologist
Hamad Medical Corporation