Exploratory Phase II Clinical Trial to Evaluate the Efficacy and Safety of Clotinab® (Abciximab) in Acute Myocardial Infarction Patients: Multicenter, Randomized, Double-Blind, Placebo-controlled and Parallel Group Trial

This study was an exploratory phase 2 of Clinical Trial to evaluate the efficacy and safety of Clotinab® (Abciximab) in the acute myocardial infarction patients and was designed as a multicenter, randomized, double-blinded, placebo-controlled and parallel group study. The objective of this phase 2 clinical trial is to evaluate correlation between infarct size and major adverse cardiac event (MACE) of acute myocardial infarction patient, prearranged for percutaneous coronary intervention(PCI), to measure possibility to use infarct size as a primary efficacy test variable in phase 3 for final confirmation of safety and efficacy.

Also to determine exploratively an average variance estimation of infarct size between study drug and placebo to confirm safety and efficacy of study drug, compared to placebo and to use the estimation for calculating sample size for phase III clinical trial.

Inclusion criteria

1. Patients with acute myocardial infarction having ST segment, 1 mm or above, from at least 2 consecutive segment.
2. Patients have a plan of Percutaneous Coronary Intervention (PCI)

Exclusion criteria

1. History of myocardial infarction
2. History of hypersensitivity in aspirin, heparin, or protein drugs
3. Bleeding disorders
4. Thrombocytopenia (<100,000unit/㎕)
5. Cardiogenic shock, chronic atrial fibrillation, and cancer
6. Patients with following criteria: Implanted pacemakers, defibrillators, intracranial metallic implants, pregnant, etc
7. Had a history of surgical operation within 4 weeks
8. Participated in other clinical trials within 2 months

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