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A Case Series of Rifabutin Use in Staphylococcal Prosthetic Infections
Miranda Monk1, Ramy Elshaboury1, Alexander Tatara2
1Department of Pharmacy, Massachusetts General Hospitalgrid.32224.35, Boston, Massachusetts, USA.
Abstract:
This case series describes seven patients who received rifabutin in place of rifampin combined with conventional antimicrobial therapy for treatment of hardware-associated staphylococcal infections. Infection recurrence, defined as need for unplanned surgical intervention within the evaluable follow up period after starting rifabutin, occurred in two patients. Two patients experienced possible treatment-associated adverse effects. Findings support future work to examine rifabutin use, when rifampin is not suitable, for adjunctive treatment of staphylococcal hardware infections. IMPORTANCE This work evaluates real-world data and clinical outcomes when rifabutin is used in place of rifampin for adjunctive management of staphylococcal hardware-associated infections. This is the second case study looking at this specific use of rifabutin, signifying the current lack of clinical data in this area. Assessing use of rifabutin in this capacity is clinically important given its lower propensity for drug interactions compared to rifampin.
Insights
Rifabutin may be an alternative to rifampin for staphylococcal hardware infections, with low recurrence and adverse events observed in a small case series. Further research is warranted for this important antibiotic substitution.
Area of Science:
- Infectious Diseases
- Pharmacology
- Orthopedic Surgery
Background:
- Hardware-associated staphylococcal infections pose a significant clinical challenge.
- Rifampin is a key component in treating these infections but has numerous drug interactions.
- Rifabutin offers a potential alternative with a lower drug interaction profile.
Purpose of the Study:
- To evaluate the clinical outcomes of using rifabutin as a substitute for rifampin in patients with staphylococcal hardware-associated infections.
- To assess the efficacy and safety of rifabutin in this specific clinical context.
Main Methods:
- A case series of seven patients receiving rifabutin in place of rifampin for staphylococcal hardware infections.
- Conventional antimicrobial therapy was used concurrently.
- Outcomes including infection recurrence and adverse events were monitored.
Main Results:
- Two out of seven patients experienced infection recurrence, defined as requiring unplanned surgery.
- Two patients reported possible treatment-associated adverse effects.
- The study provides real-world data on rifabutin's use in this setting.
Conclusions:
- Rifabutin demonstrates potential as an alternative to rifampin for adjunctive treatment of staphylococcal hardware infections, especially when drug interactions are a concern.
- Further investigation is needed to confirm these findings in larger studies.
- This case series contributes to the limited clinical data available for rifabutin in this indication.
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