Testing heart valve infection treatment without one antibiotic

This trial is testing whether patients with a staphylococcal infection of a prosthetic heart valve can be treated successfully without rifampin, an antibiotic often used for this condition. Rifampin can cause side effects and interact with other medications, so researchers want to know if leaving it out of the treatment plan works just as well. You would receive standard antibiotics either with or without this medication.

While rifampin is commonly recommended for this type of heart valve infection, it often causes digestive problems, liver issues, and interactions with other drugs—problems that are especially troublesome for patients with prosthetic valves who may be taking multiple medications. A recent study suggested that patients treated without the medication had similar recovery rates, so this larger trial aims to confirm whether the medication is truly necessary.