would have needed to prove that the companion drug could prevent life-threatening infections in people who were taking antibiotics. History suggested that this would be challenging. Years earlier ...

In this study, the authors collected stool samples from the subset of infants with a complete antibiotic history and those ...

or antibiotic history) or antibiotic-specific factors (e.g., maximum length of therapy and combination therapy). For instance, linezolid use may be limited to patients with methicillin-resistant ...