The aim of this retrospective observational study is to evaluate the efficacy of antibiotic therapy with dalbavancin in patients presenting with infection on prosthetic devices. The main questions the study aims to answer are:

What is the proportion of patients with early discontinuation of dalbavancin therapy? What are the reasons for early discontinuation of antibiotic treatment? What adverse events do patients report? The study is based on data collected as part of routine care practices.

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Inclusion Criteria:

• Patients with inextricable and/or inoperable osteoarticular or vascular prosthetic material.
• Patients requiring suppressive antibiotic therapy (>6 months) with dalbavancin.

Exclusion Criteria:

• Patients who are protected adult;
• Patients who are minors;
• Patients having expressed their opposition

Patients hospitalized for a prosthetic device infection requiring suppressive antibiotic therapy for more than 6 months.