Clinical Trial Comparing Safety and Pharmacokinetics of Standard Antibiotic Therapy, Plus Aurexis® or Placebo, for Treatment of Staphylococcus Aureus Bacteremia (SAB)

Inclusion Criteria: * Male or female, age ≥ 18 years old * Informed consent obtained from subject or legal guardian * Willing to practice reliable birth control measures during the study period * Diagnosis of SAB, as evidenced by clinical symptoms and one positive blood culture obtained ≤ 72 hours prior to initiation of study drug infusion Exclusion Criteria: * Pregnant or nursing females * Polymicrobial bacteremia * Diagnosis of septic shock (refer to APPENDIX B) * Neutropenia (absolute neutrophil count \< 500/mm³) * Undergoing any type of dialysis or expected to start dialysis within 30 days * Moribund clinical condition with a high likelihood of death within 72 hours of randomization * Received an investigational drug within 30 days of study entry * Considered unlikely to comply with the study procedures or to return for scheduled post-treatment evaluations