Patients With High-risk Acute Coronary Syndrome Without ST-segment Elevation

Drugs will be provided by the sponsor to the study's patients on the reference presentation: 40 mg/0.4mL, 60 mg/0.6 mL and 80 mg/0.8 mL (solution for injection of enoxaparin sodium, 1 mg/ kg Sanofi-Aventis) or Eurofarma enoxaparin sodium (1 mg/ kg). The patients will use the drug corresponding to the arm of the study to which they were allocated. The drug administration must be performed through subcutaneous via on the dose of 1 mg/kg every 12 hours for at least 2 days and kept until the patient is discharged.