A Study of RO4905417 in Patients With Non ST-Elevation Myocardial Infarction (Non-STEMI) Undergoing Percutaneous Coronary Intervention

Inclusion Criteria: * Adult patients, \>18 to \<75 years of age * Non ST-elevation myocardial infarction * Woman of childbearing potential will be allowed only if using two acceptable methods of contraception * Body mass index (BMI) \</= 40 kg/m2 Exclusion Criteria: * Acute ST-elevation myocardial infarction (STEMI) * Culprit coronary lesion with a total thrombotic occlusion or a lesion requiring the use of distal embolization protection or thrombectomy devices * Percutaneous coronary intervention (PCI) within the past 72 hours * Thrombolytic therapy within the past 7 days * Major surgery within the past 3 months * History of cerebral vascular disease or stroke in the past 3 months * Bleeding disorders * Inadequately controlled severe hypertension * Prior coronary artery bypass graft (CABG) surgery * Decompensated heart failure (oedema and/or rale) * Acute infection at screening or active chronic infection within 3 months prior to PCI * Patients known to be HIV positive, patients receiving antiretroviral drugs, or immuno-suppressed patients * Uncontrolled diabetes mellitus (HbA1C \>10%) at baseline