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Morata Ruiz L, Ruggieri A, Falcone M, Pasquau Liaño J, Gentile I, Salavert Lletí M, Moreno Núñez L, Cascio A, Tascini C, Loeches Yagüe M, De Rosa FG, Ori A, Comandini A, Cattaneo A, Grossi PA. Dalbavancin real-life utilization among diabetic patients suffering from infections in Italy and Spain: The DALBADIA retrospective cohort study. J Glob Antimicrob Resist 2024; 36:200-209. [PMID: 38211660 DOI: 10.1016/j.jgar.2023.11.015] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2023] [Revised: 11/14/2023] [Accepted: 11/29/2023] [Indexed: 01/13/2024] Open
Abstract
OBJECTIVES To retrospectively describe the patterns of use of dalbavancin for treating infections in diabetic patients in Italian and Spanish standard clinical practice. METHODS DALBADIA [NCT04959799] was a multicentre, observational, retrospective cohort study, conducted in Italy and Spain. The study enrolled 97 adults with type 1 or 2 diabetes mellitus, treated with dalbavancin as per standard clinical practice for a Gram-positive bacterial infection or the Gram-positive component of a mixed infection. RESULTS Dalbavancin was used to treat cellulitis (18/92 patients, 19.6%), followed by prosthetic joint infection (14 patients, 15.2%), endocarditis (13 patients, 14.1%), and primary bacteraemia (10 patients, 10.9%); 78/92 (84.8%) patients had Gram-positive infections only, and 14 (15.2%) had mixed infections. The most frequently isolated microorganisms were Staphylococcus aureus in 43 (55.8% of the patients with microbial isolation), 25.6% of which methicillin-resistant; Staphylococcus epidermidis in 13 (16.9%), 53.8% of which methicillin-resistant; Enterococcus faecalis in 11 (14.3%). The main reason for the dalbavancin choice was the intent to simplify the antibiotic regimen (81.5% of cases). A multidisciplinary team participated in the treatment choice process for 53 (57.6%) patients. Dalbavancin was given as first-line antibiotic in 34 (37.0%) patients and administered as one infusion in 32 (34.8%), and as two infusions in 39 (42.4%). In total, 57/62 (91.9%) eligible patients with available assessment were judged clinically cured or improved at the end of observation. CONCLUSION In clinical practice, dalbavancin was used in diabetic patients to treat ABSSSIs and other difficult-to-treat infections with a favourable safety profile and a high rate of positive clinical responses.
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Affiliation(s)
- Laura Morata Ruiz
- Hospital Clìnic, Department of Infectious Diseases, University of Barcelona, Barcelona, Spain
| | | | - Marco Falcone
- AOU Pisana PO Cisanello, UO Malattie Infettive, University of Pisa, Pisa, Italy
| | - Juan Pasquau Liaño
- Hospital Universitario Virgen de las Nieve, Unidad de Enfermedades Infecciosas, Granada, Spain
| | - Ivan Gentile
- AOU Federico II, Malattie Infettive, Patologia Clinica e Medicina Interna, Università di Napoli Federico II, Naples, Italy
| | - Miguel Salavert Lletí
- Hospital Universitario y Politécnico La Fe, Unidad de Enfermedades Infecciosas, Valencia, Spain
| | - Leonor Moreno Núñez
- Hospital Universitario Fundación Alcorcón, Enfermedades Infecciosas, Madrid, Spain
| | - Antonio Cascio
- AOU Policlinico Giaccone, UOC Malattie Infettive e Tropicali, Palermo, Italy
| | | | | | - Francesco Giuseppe De Rosa
- Ospedale Cardinal Massaia, SC Malattie Infettive, Asti, Italy, AOU Città della Salute e Scienza, Presidio Molinette, Turin, Italy
| | | | | | | | - Paolo Antonio Grossi
- ASST Sette Laghi, SC Malattie Infettive e Tropicali, University of Insubria, Varese, Italy
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Lange A, Thunberg U, Söderquist B. Ototoxicity associated with extended dalbavancin treatment for a shoulder prosthetic joint infection. BMC Infect Dis 2023; 23:706. [PMID: 37858087 PMCID: PMC10588017 DOI: 10.1186/s12879-023-08709-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2023] [Accepted: 10/13/2023] [Indexed: 10/21/2023] Open
Abstract
BACKGROUND Dalbavancin is a lipoglycopeptide antibiotic approved for treatment of skin and soft tissue infections, administered as a single or two-dose treatment. The extended half-life, good penetration into bone and synovial fluid, and bactericidal activity against gram-positive bacteria, including those in biofilm, make dalbavancin an appealing choice for treatment of bone and joint infections in outpatient settings. However, we present a rare case of ototoxicity associated with off-label extended dalbavancin treatment of a prosthetic joint infection. CASE PRESENTATION A 55-year-old man with a prosthetic joint infection of the shoulder underwent off-label extended dalbavancin treatment, receiving a cumulative dose of 2500 mg. The patient experienced a gradual onset of hearing loss following the first dose, leading to a diagnosis of bilateral sensorineural hearing loss that persisted 1 year after dalbavancin was discontinued. CONCLUSIONS This case report highlights the importance of exercising caution when administering dalbavancin beyond approved dosing guidelines, and emphasizes the need for vigilance regarding the potential for ototoxicity.
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Affiliation(s)
- Anna Lange
- Department of Infectious Diseases, Faculty of Medicine and Health, Örebro University, Örebro, Sweden.
| | - Ulrica Thunberg
- Department of Otorhinolaryngology, Faculty of Medicine and Health, Örebro University, Örebro, Sweden
| | - Bo Söderquist
- School of Medical Sciences, Faculty of Medicine and Health, Örebro University, Örebro, Sweden
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Dimopoulou D, Mantadakis E, Koutserimpas C, Samonis G. A Narrative Review on the Role of Dalbavancin in the Treatment of Bone and Joint Infections. Antibiotics (Basel) 2023; 12:1492. [PMID: 37887193 PMCID: PMC10604335 DOI: 10.3390/antibiotics12101492] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2023] [Revised: 09/26/2023] [Accepted: 09/27/2023] [Indexed: 10/28/2023] Open
Abstract
Bone and joint infections (BJI) require prolonged antimicrobial treatment, leading to lengthy hospitalizations, high costs, the risk of nosocomial infections, and the development of antimicrobial resistance. Dalbavancin is a novel semisynthetic lipoglycopeptide approved for the treatment of adults and children with acute bacterial skin and skin structure infections. This narrative review aims to summarize the characteristics of dalbavancin and the current scientific evidence regarding its clinical efficacy and safety in the treatment of BJI. A literature search until June 2023 was performed to identify all published research about the role of dalbavancin in the management of BJI. Due to its unique pharmacokinetics characterized by prolonged half-life, high bactericidal activity against most Gram-positive bacteria, a good safety profile, and high tissue penetration, dalbavancin can be a valuable alternative to the treatment of BJI. Clinical studies have shown its non-inferiority compared to conventional therapies in BJI, offering potent activity against key pathogens and an extended dosing interval that may shorten hospitalization. In conclusion, dalbavancin represents a promising treatment option for BJI with a favorable safety profile, but further research in both adults and particularly children, who are ideal candidates for long-acting antibiotics, is necessary to evaluate the role of dalbavancin in BJI.
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Affiliation(s)
- Dimitra Dimopoulou
- Second Department of Pediatrics, “Aghia Sophia” Children’s Hospital, 115 27 Athens, Greece;
| | - Elpis Mantadakis
- Department of Pediatrics, University General Hospital of Alexandroupolis, 681 00 Alexandroupolis, Greece;
| | - Christos Koutserimpas
- Department of Orthopaedics and Traumatology, “251” Hellenic Air Force General Hospital of Athens, 115 25 Athens, Greece;
| | - George Samonis
- Department of Medicine, University of Crete, 715 00 Heraklion, Greece
- First Department of Medical Oncology, “Metropolitan” Hospital, 185 47 Attica, Greece
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Lovatti S, Tiecco G, Mulé A, Rossi L, Sforza A, Salvi M, Signorini L, Castelli F, Quiros-Roldan E. Dalbavancin in Bone and Joint Infections: A Systematic Review. Pharmaceuticals (Basel) 2023; 16:1005. [PMID: 37513919 PMCID: PMC10385685 DOI: 10.3390/ph16071005] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2023] [Revised: 07/09/2023] [Accepted: 07/12/2023] [Indexed: 07/30/2023] Open
Abstract
BACKGROUND Approved for acute bacterial skin and skin structure infections, dalbavancin (DBV) has gradually acquired over the years a role as an off-label treatment for several infections caused by Gram-positive bacteria even in other anatomical sites. Osteoarticular (OA) infections are one of the most difficult-to-treat infections and, since the absence of recommendations, clinicians use different and heterogenic DBV dosing schedule regimens for the off-label treatment of osteomyelitis, spondylodiscitis, and septic arthritis. Our aim is to systematically review the current literature to describe DBV administration schedules and their outcome in OA infections. METHODS According to the 2020 updated PRISMA guidelines, all peer-reviewed articles regarding the use of DBV in OA infections were included. We conducted a literature search on PubMed and Cochrane Controlled Trials. RESULTS A total of 23 studies and 450 patients were included, prevalently male (144/195, 73.8%) and diabetic (53/163, 32.5%). Overall, 280 (280/388, 72.2%) osteomyelitis, 79 (79/388, 20.4%) spondylodiscitis, and 29 (29/388, 7.5%) septic arthritis were considered. Staphylococcus aureus (164/243, 67.5%) was the most common pathogen isolated. A previous treatment failure (45/96, 46.9%) was the main reason for a switch to a long-acting antibiotic. Most patients were successfully cured with DBV (318/401, 79.3%). A source control was performed in most patients with a favourable outcome (80.4%), while MRSA was prevalently isolated in people with an unfavourable outcome (57%). While a higher percentage of success was found in people who received three doses of DBV 1 week apart (92.3%), a higher rate of treatment failure was recorded in cases of when the DBV cycle was composed of less than two or more than four doses (27.8%). CONCLUSIONS DBV has shown to be effective as a treatment for OA infections. The most favourable outcome was found in patients receiving three doses of DBV and with an adequate surgical management prior to antibiotic treatment. Although a rigorous administration schedule does not exist, DBV is a viable treatment option in the management of OA infections.
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Affiliation(s)
- Sofia Lovatti
- Unit of Infectious and Tropical Diseases, Department of Clinical and Experimental Sciences, University of Brescia and ASST Spedali Civili di Brescia, 25123 Brescia, Italy
| | - Giorgio Tiecco
- Unit of Infectious and Tropical Diseases, Department of Clinical and Experimental Sciences, University of Brescia and ASST Spedali Civili di Brescia, 25123 Brescia, Italy
| | - Alice Mulé
- Unit of Infectious and Tropical Diseases, Department of Clinical and Experimental Sciences, University of Brescia and ASST Spedali Civili di Brescia, 25123 Brescia, Italy
| | - Luca Rossi
- Unit of Infectious and Tropical Diseases, Department of Clinical and Experimental Sciences, University of Brescia and ASST Spedali Civili di Brescia, 25123 Brescia, Italy
| | - Anita Sforza
- Unit of Infectious and Tropical Diseases, Department of Clinical and Experimental Sciences, University of Brescia and ASST Spedali Civili di Brescia, 25123 Brescia, Italy
| | - Martina Salvi
- Unit of Infectious and Tropical Diseases, Department of Clinical and Experimental Sciences, University of Brescia and ASST Spedali Civili di Brescia, 25123 Brescia, Italy
| | - Liana Signorini
- Unit of Infectious and Tropical Diseases, ASST Spedali Civili di Brescia, 25123 Brescia, Italy
| | - Francesco Castelli
- Unit of Infectious and Tropical Diseases, Department of Clinical and Experimental Sciences, University of Brescia and ASST Spedali Civili di Brescia, 25123 Brescia, Italy
| | - Eugenia Quiros-Roldan
- Unit of Infectious and Tropical Diseases, Department of Clinical and Experimental Sciences, University of Brescia and ASST Spedali Civili di Brescia, 25123 Brescia, Italy
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Bai F, Mazzitelli M, Silvola S, Raumer F, Restelli U, Croce D, Marchetti G, Cattelan AM. Cost analysis of dalbavancin versus standard of care for the treatment of acute bacterial skin and skin structure infections (ABSSSIs) in two Italian hospitals. JAC Antimicrob Resist 2023; 5:dlad044. [PMID: 37090914 PMCID: PMC10116602 DOI: 10.1093/jacamr/dlad044] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2023] [Accepted: 03/25/2023] [Indexed: 04/25/2023] Open
Abstract
Objectives Thanks to its long half-life, dalbavancin qualifies as an optimal drug for saving costs. We aimed to assess the cost and effectiveness of dalbavancin versus the standard of care (SoC). Patients and methods We conducted a multicentre retrospective study, including all hospitalized or outpatients diagnosed with ABSSSIs at Padua University Hospital, Padua and San Paolo Hospital, Milan (1 January 2016 to 31 July 2020). We compared patients according to antibiotic treatment (dalbavancin versus SoC), the number of lines of dalbavancin treatment, and monotherapy or combination (dalbavancin in association with other antibiotics). Primary endpoints were direct medical costs and length of hospital stay (LOS) associated with ABSSSI management; Student's t-test, chi-squared test and one-way ANOVA were used. Results One hundred and twenty-six of 228 (55.3%) patients received SoC, while 102/228 (44.7%) received dalbavancin. Twenty-seven of the 102 (26.5%) patients received dalbavancin as first-line treatment, 46 (45.1%) as second-line, and 29 (28.4%) as third- or higher-line treatment. Most patients received dalbavancin as monotherapy (62/102; 60.8%). Compared with SoC, dalbavancin was associated with a significant reduction of LOS (5 ± 7.47 days for dalbavancin, 9.2 ± 5.59 days for SoC; P < 0.00001) and with lower mean direct medical costs (3470 ± 2768€ for dalbavancin; 3493 ± 1901€ for SoC; P = 0.9401). LOS was also reduced for first-line dalbavancin, in comparison with second-, third- or higher-line groups, and for dalbavancin monotherapy versus combination therapy. Mean direct medical costs were significantly lower in first-line dalbavancin compared with higher lines, but no cost difference was observed between monotherapy and combination therapy. Conclusions Monotherapy with first-line dalbavancin was confirmed as a promising strategy for ABSSSIs in real-life settings, thanks to its property in reducing LOS and saving direct medical costs.
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Affiliation(s)
| | | | - Sofia Silvola
- Carlo Cattaneo—LIUC University, Castellanza, VA, Italy
- Department of Public Health Medicine, School of Health System & Public Health, Faculty of Health Sciences, University of Pretoria, Pretoria, South Africa
| | | | - Umberto Restelli
- Carlo Cattaneo—LIUC University, Castellanza, VA, Italy
- School of Public Health, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, South Africa
| | - Davide Croce
- Carlo Cattaneo—LIUC University, Castellanza, VA, Italy
- Department of Public Health Medicine, School of Health System & Public Health, Faculty of Health Sciences, University of Pretoria, Pretoria, South Africa
| | | | - Anna Maria Cattelan
- Infectious and Tropical Diseases Unit Department, Padua University Hospital, Padua, Italy
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Mazzitelli M, Gatti M, Scaglione V, Mengato D, Trevenzoli M, Sattin A, Pea F, Cattelan AM. Off-Label Use of Dalbavancin for Sequential Treatment of Spondylodiscitis by Methicillin-Resistant Staphylococcus aureus: A Retrospective Single-Centre Experience. Antibiotics (Basel) 2022; 11:antibiotics11101377. [PMID: 36290035 PMCID: PMC9598816 DOI: 10.3390/antibiotics11101377] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2022] [Revised: 09/24/2022] [Accepted: 10/07/2022] [Indexed: 12/02/2022] Open
Abstract
Background: Our aim was to describe the clinical outcome and safety of the sequential treatment with off-label dalbavancin in patients with spondylodiscitis that is caused by methicillin-resistant Staphylococcus aureus (MRSA). Methods: We retrospectively included all patients >18 years of age with spondylodiscitis that is caused by MRSA that was treated with dalbavancin from January 2018−January 2021, recording the instances of clinical cure/failure, adverse events, and the need to be re-hospitalized after the initiation of dalbavancin. In 2/15 patients, we performed therapeutic drug monitoring (TDM) for dalbavancin. Results: We included 15 patients, 53.3% of them were females, with a median age of 67.9 years (57.4−78.5); 100% patients reported back pain, while a fever was present only in 2/15 cases. The spondylodiscitis was localized in 86.6% cases at the lumbar level. A median of a 2-week in-hospital intravenous vancomycin was followed by dalbavancin with a median duration of 12 weeks (12−16). All patients reported a clinical cure, except for a woman who is still on a suppressive treatment. No patient needed to be re-hospitalized, access to emergency department, or experienced adverse events. The TDM for dalbavancin showed that more than 90% of the determinations were above the pharmacodynamic target against staphylococci. Conclusions: The results from our unique, even if it was small, cohort demonstrated that dalbavancin can be a safe/effective option as a sequential treatment in patients with serious infections requiring prolonged antibiotic therapy, such as spondylodiscitis.
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Affiliation(s)
- Maria Mazzitelli
- Infectious and Tropical Diseases Unit, Padua University Hospital, Via Giustiniani, 35128 Padua, Italy
- Correspondence:
| | - Milo Gatti
- Department of Medical and Surgical Sciences, Alma Mater Studiorum, University of Bologna, 40138 Bologna, Italy
- SSD Clinical Pharmacology, IRCSS Azienda Ospedaliero-Universitaria Sant’Orsola di Bologna, 40138 Bologna, Italy
| | - Vincenzo Scaglione
- Infectious and Tropical Diseases Unit, Padua University Hospital, Via Giustiniani, 35128 Padua, Italy
| | - Daniele Mengato
- Pharmacy Unit, Padua University Hospital, 35100 Padua, Italy
| | - Marco Trevenzoli
- Infectious and Tropical Diseases Unit, Padua University Hospital, Via Giustiniani, 35128 Padua, Italy
| | - Andrea Sattin
- Infectious and Tropical Diseases Unit, Padua University Hospital, Via Giustiniani, 35128 Padua, Italy
| | - Federico Pea
- Department of Medical and Surgical Sciences, Alma Mater Studiorum, University of Bologna, 40138 Bologna, Italy
- SSD Clinical Pharmacology, IRCSS Azienda Ospedaliero-Universitaria Sant’Orsola di Bologna, 40138 Bologna, Italy
| | - Anna Maria Cattelan
- Infectious and Tropical Diseases Unit, Padua University Hospital, Via Giustiniani, 35128 Padua, Italy
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Righi E, Visentin A, Meroi M, Carrara E, Tacconelli E. Dalbavancin in the treatment of acute bacterial skin and skin structure and other infections: a safety evaluation. Expert Opin Drug Saf 2022; 21:1171-1181. [PMID: 36093622 DOI: 10.1080/14740338.2022.2122437] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Abstract
INTRODUCTION Dalbavancin is a second-generation lipoglycopeptide that was approved since 2014 to treat acute bacterial skin and skin-structure infections (ABSSSI). Dalbavancin is characterized by Gram-positive activity and novel pharmacokinetic properties that result in a prolonged terminal half-life, allowing once weekly dosing in adults. A good safety profile was reported by randomized clinical trials and meta-analyses. AREAS COVERED Dalbavancin safety and tolerability data from trials and post-marketing studies were reviewed. While most trials included predominantly ABSSSI, 2 clinical trials and recent observational studies have explored the use of dalbavancin for off-label indications, mainly including bloodstream and osteoarticular infections. EXPERT OPINION The occurrence of drug-related adverse effects (AE) was similar between dalbavancin and comparators in clinical trials enrolling patients with ABSSSI. Most common AE included gastrointestinal symptoms, infusion reaction, and hypersensitivity. Low rates of drug discontinuation and serious AE were reported across studies. In the past 5 years, several observational studies have reported safety data on the use of dalbavancin, confirming its favorable safety profile. Nevertheless, data from dalbavancin off-label use often derived from prolonged (> 2 weeks) treatments with variable dosing regimens, were mainly retrospective, and lacked comparators. Further research is required to allow a reliable analysis of short- and long-term dalbavancin-related AE in non-ABSSSI.
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Affiliation(s)
- Elda Righi
- Infectious Diseases Division, Diagnostic and Public Health Department, University of Verona, Italy
| | - Alessandro Visentin
- Infectious Diseases Division, Diagnostic and Public Health Department, University of Verona, Italy
| | - Marco Meroi
- Infectious Diseases Division, Diagnostic and Public Health Department, University of Verona, Italy
| | - Elena Carrara
- Infectious Diseases Division, Diagnostic and Public Health Department, University of Verona, Italy
| | - Evelina Tacconelli
- Infectious Diseases Division, Diagnostic and Public Health Department, University of Verona, Italy
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Gatti M, Barnini S, Guarracino F, Parisio EM, Spinicci M, Viaggi B, D’Arienzo S, Forni S, Galano A, Gemmi F. Orthopaedic Implant-Associated Staphylococcal Infections: A Critical Reappraisal of Unmet Clinical Needs Associated with the Implementation of the Best Antibiotic Choice. Antibiotics (Basel) 2022; 11:antibiotics11030406. [PMID: 35326869 PMCID: PMC8944676 DOI: 10.3390/antibiotics11030406] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2022] [Revised: 03/14/2022] [Accepted: 03/16/2022] [Indexed: 12/24/2022] Open
Abstract
Infections associated with orthopaedic implants represent a major health concern characterized by a remarkable incidence of morbidity and mortality. The wide variety of clinical scenarios encountered in the heterogeneous world of infections associated with orthopaedic implants makes the implementation of an optimal and standardized antimicrobial treatment challenging. Antibiotic bone penetration, anti-biofilm activity, long-term safety, and drug choice/dosage regimens favouring outpatient management (i.e., long-acting or oral agents) play a major role in regards to the chronic evolution of these infections. The aim of this multidisciplinary opinion article is to summarize evidence supporting the use of the different anti-staphylococcal agents in terms of microbiological and pharmacological optimization according to bone penetration, anti-biofilm activity, long-term safety, and feasibility for outpatient regimens, and to provide a useful guide for clinicians in the management of patients affected by staphylococcal infections associated with orthopaedic implants Novel long-acting lipoglycopeptides, and particularly dalbavancin, alone or in combination with rifampicin, could represent the best antibiotic choice according to real-world evidence and pharmacokinetic/pharmacodynamic properties. The implementation of a multidisciplinary taskforce and close cooperation between microbiologists and clinicians is crucial for providing the best care in this scenario.
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Affiliation(s)
- Milo Gatti
- Department of Medical and Surgical Sciences, Alma Mater Studiorum University of Bologna, 40138 Bologna, Italy;
- SSD Clinical Pharmacology, Department for Integrated Infectious Risk Management, IRCCS Azienda Ospedaliero-Universitaria di Bologna, 40138 Bologna, Italy
| | - Simona Barnini
- Bacteriology Unit, Azienda Ospedaliero Universitaria Pisana, 56126 Pisa, Italy;
| | - Fabio Guarracino
- Department of Anaesthesia and Critical Care Medicine, Azienda Ospedaliero Universitaria Pisana, 56126 Pisa, Italy;
| | - Eva Maria Parisio
- UOSD Microbiologia Arezzo PO San Donato, Azienda Usl Toscana Sud Est, 52100 Arezzo, Italy;
| | - Michele Spinicci
- Department of Experimental and Clinical Medicine, University of Florence, 50134 Florence, Italy;
- Infectious and Tropical Diseases Unit, Careggi University Hospital, 50134 Florence, Italy
| | - Bruno Viaggi
- Neurointensive Care Unit, Department of Anesthesiology, Careggi University Hospital, 50134 Florence, Italy;
| | - Sara D’Arienzo
- Agenzia Regionale di Sanità della Toscana, 50141 Florence, Italy; (S.D.); (S.F.)
| | - Silvia Forni
- Agenzia Regionale di Sanità della Toscana, 50141 Florence, Italy; (S.D.); (S.F.)
| | - Angelo Galano
- SOD Microbiologia e Virologia, Careggi University Hospital, 50134 Florence, Italy;
| | - Fabrizio Gemmi
- Agenzia Regionale di Sanità della Toscana, 50141 Florence, Italy; (S.D.); (S.F.)
- Correspondence:
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