ArticleJAC-antimicrobial resistance2026
A real-world implementation study of a TDM-guided dalbavancin model for bone and joint infections (101 Dalbatians).
Article in JAC-antimicrobial resistance, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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16 authors.
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Abstract
Background: Dalbavancin is increasingly used off-label for chronic Gram-positive bone and joint infections (BJIs) requiring prolonged antimicrobial therapy, but optimal dosing strategies and the role of therapeutic drug monitoring (TDM) remain unclear. We evaluated the real-world implementation of a proactive TDM-guided dalbavancin workflow within an outpatient parenteral antimicrobial therapy (OPAT) programme. Methods: Single-centre prospective observational implementation study including adult patients with BJIs consecutively treated with dalbavancin in OPAT service between July 2022 and August 2025. A multidisciplinary team developed a workflow incorporating TDM-guided pharmacokinetic modelling to individualize dosing intervals after fixed initial administrations (Days 1, 8 and 43). Target C Results: The workflow was applied to 101 patients accounting for 418 TDM-guided dalbavancin administrations (feasibility). Three patient-driven treatment discontinuations were observed (3/101, 3.0%), and scheduled administrations occurred within the predefined time window in 335/418 (83.5%) of cases (fidelity). Pharmacological target attainment was achieved in 285/342 (89.6%) of administrations without dosing delays (appropriateness). Clinical effectiveness was achieved in 55/73 (75.3%) patients completing therapy, with 28/101 (28%) still on treatment. Adverse events-related discontinuation occurred in 3/101 (3%) patients. Overall workflow success was observed in 74/101 (73.2%) patients. Conclusions: A multidisciplinary TDM-guided dalbavancin workflow within an OPAT programme was feasible and safe, achieving high target attainment and favourable clinical outcomes. This approach supports individualized long-acting dalbavancin therapy for complex chronic BJIs.
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