Infectious diseases now · 2026
Efficacy and safety of dalbavancin as suppressive therapy in chronic implant-associated infections.
СтатьяНазвание и аннотация: Перевод в очереди
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Beringheli Tomaso, Dupieux Céline, Goutelle Sylvain, Roussel-Gaillard Tiphaine, Dhelens Carole, Rascle Pauline, Doudet Charlotte, Roux Sandrine, Javaux Clément, Triffault-Fillit Claire, Braun Evelyne, Ferry Tristan, Valour Florent, Lyon BJI study group
Аннотация
INTRODUCTION: Long-acting lipoglycopeptides represent an innovative suppressive antimicrobial therapy (SAT) for Gram-positive chronic infections. We aimed to describe the off-label use of dalbavancin SAT.
METHODS: Retrospective cohort including all patients receiving dalbavancin SAT.
RESULTS: Thirty-three patients received dalbavancin SAT for bone/joint (n = 27, 81.8%) or cardiovascular (n = 6, 18.2%) implant-related infections, mostly caused by coagulase-negative staphylococci (n = 27/44, 61.4%). After initial surgery (n = 29, 87.9%) and 83 (IQR, 70-125) days of curative therapy, SAT was prescribed because of the impact of a potential relapse (n = 13, 39.4%), incomplete surgical source control (n = 9, 27.3%), or previous failures (n = 7, 21.3%). The initial dalbavancin dose was most commonly 1,500 mg (n = 28, 84.8%), with a second dose of 1,500 mg (n = 19, 57.6%) 14 (IQR, 7-15) days apart. The third administration was carried out 28 (IQR, 27-31)days later (1,000 [n = 13, 39.4%] or 1,500 [n = 12, 36.4%]mg). A median of 7 (IQR, 5-11; min-max, 3-49) infusions were performed over a period of 210 (IQR, 107-532) days, with a last dose of 1,500 (n = 13, 39.4%), 1,000 (n = 13, 39.4%) or 500 (n = 7, 21.2%)mg at a 42 (IQR, 28-56) days interval. At the last follow-up, 21 patients were still on dalbavancin SAT with favorable outcome. Dalbavancin was discontinued in three patients with no sign of infection. Six relapses were observed with the same pathogen including four with increased dalbavancin MIC. No dalbavancin-related adverse events were observed.
CONCLUSION: Dalbavancin SAT for implant-related infections was overall safe and effective, despite failures with emergence of resistance, advocating for close monitoring of treatment response.
METHODS: Retrospective cohort including all patients receiving dalbavancin SAT.
RESULTS: Thirty-three patients received dalbavancin SAT for bone/joint (n = 27, 81.8%) or cardiovascular (n = 6, 18.2%) implant-related infections, mostly caused by coagulase-negative staphylococci (n = 27/44, 61.4%). After initial surgery (n = 29, 87.9%) and 83 (IQR, 70-125) days of curative therapy, SAT was prescribed because of the impact of a potential relapse (n = 13, 39.4%), incomplete surgical source control (n = 9, 27.3%), or previous failures (n = 7, 21.3%). The initial dalbavancin dose was most commonly 1,500 mg (n = 28, 84.8%), with a second dose of 1,500 mg (n = 19, 57.6%) 14 (IQR, 7-15) days apart. The third administration was carried out 28 (IQR, 27-31)days later (1,000 [n = 13, 39.4%] or 1,500 [n = 12, 36.4%]mg). A median of 7 (IQR, 5-11; min-max, 3-49) infusions were performed over a period of 210 (IQR, 107-532) days, with a last dose of 1,500 (n = 13, 39.4%), 1,000 (n = 13, 39.4%) or 500 (n = 7, 21.2%)mg at a 42 (IQR, 28-56) days interval. At the last follow-up, 21 patients were still on dalbavancin SAT with favorable outcome. Dalbavancin was discontinued in three patients with no sign of infection. Six relapses were observed with the same pathogen including four with increased dalbavancin MIC. No dalbavancin-related adverse events were observed.
CONCLUSION: Dalbavancin SAT for implant-related infections was overall safe and effective, despite failures with emergence of resistance, advocating for close monitoring of treatment response.