A Research Study to Evaluate the Efficacy and Safety of SGC001 in Patients With Anterior Wall ST-Segment Elevation Myocardial Infarction

Summary

The research study is being done to see if SGC001 can be used to treat people scheduled to undergo percutaneous coronary intervention for Anterior ST-segment Elevation Myocardial Infarction. SGC001 might reduce the infarct size and inhibited inflammation, thereby preventing the incidence of major adverse cardiovascular events(MACE) events. Participants will either get SGC001 (active medicine) or placebo (a dummy medicine which has no effect on the body). Which treatment participants get is decided by chance. The chance of getting SGC001 or placebo is the same. The participant was administered intravenously once. SGC001 is not yet approved in any country or region in the world. It is a new medicine that doctors cannot prescribe.

Eligibility

Inclusion Criteria:

1. 18-79 years of age (including boundary values), male or female;
2. Anterior wall STEMI: (a) history of persistent chest pain/precordial discomfort (\>30 minutes); (b) upon admission, the ECG must meet the Anterior wall STEMI requirements:
3. Planned for pPCI treatment;
4. Assessed as being able to complete dosing within 6 hours of the onset of persistent chest pain/precordial discomfort symptoms;
5. The participant or their legal guardian fully understands the objectives, nature, methods, and potential adverse reactions of the study, voluntarily agrees to participate, and has signed the informed consent form (ICF).

Exclusion Criteria:

1. History of the following cardiac conditions:

   1. History of myocardial infarction, coronary revascularization (including percutaneous coronary intervention \[PCI\] and coronary artery bypass grafting \[CABG\], etc.);
   2. History of cardiopulmonary resuscitation;
   3. History of stroke;
   4. Presence of severe cardiac structural abnormalities such as aortic dissection, and ventricular aneurysm (including new-onset ventricular aneurysm);
2. Patients who have received thrombolysis;
3. Patients with a life expectancy of less than 1 year;
4. Febrile infection requiring systemic treatment within 2 weeks prior to screening;
5. Left bundle branch block (QRS duration ≥0.12 seconds. Broad R waves in leads V5 and V6, with a notch or slurring at the top, and no preceding q wave. Broad S waves or rS patterns in leads V1 and V2. T waves in leads V5 and V6 are opposite in direction to the main QRS wave);
6. Cardiogenic shock or hemodynamic instability;
7. Concomitant severe arrhythmia (including high-degree atrioventricular block, sick sinus syndrome, sustained ventricular tachycardia, etc.) or implanted cardiac pacemaker;
8. Definitive diagnosis of acute cardiac failure (Killip classification ≥ III; for details on Killip classification, see Appendix);
9. Unable to undergo cardiac magnetic resonance (CMR) imaging according to the study protocol, or known allergy to any radiocontrast agent;
10. Participation in other drug clinical trials and use of other investigational drugs within 3 months before receiving the study drug;
11. Concomitant history of the following serious diseases:

    1. Severe hepatic or renal insufficiency (e.g., requiring dialysis);
    2. Malignant tumor or history of malignant tumor;
    3. Severe autoimmune disease requiring therapeutic intervention;
12. Men and women of childbearing potential (WOCBP) who are fertile and have plans to conceive during the study period, as well as pregnant or lactating women;

Conditions2

Interventions1

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