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Best of Journal of Antimicrobial Chemotherapy 2024

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As we usher in the new year, Dr Peter Donnelly, the Editor-in-Chief of BSAC’s Journal of Antimicrobial Chemotherapy (JAC) would like to warmly thank all authors and expert peer reviewers who have contributed to the success of the journal in 2024.

To celebrate the research published in JAC, the Editor-in-Chief has selected a sample of 7 outstanding 2024 papers for you to peruse. These papers have played their part in furthering a better understanding of antimicrobial chemotherapy and resistance.

Ultra-rapid selection of the N74D capsid inhibitor resistance mutation after 3 weeks on lenacapavir
Marc Wirden and others
Journal of Antimicrobial Chemotherapy, Volume 79, Issue 7, July 2024, Pages 1706–1707, https://doi.org/10.1093/jac/dkae115
Lenacapavir is a very recent first-in-class capsid inhibitor approved for HIV-1 treatment. 1 It is a long-acting antiretroviral intended for dosing twice a year by subcutaneous injection. In combination with other antiretrovirals, lenacapavir is indicated in heavily treatment-experienced adults ...
Prevalence of MRSA in canine and feline clinical samples from one-third of veterinary practices in Germany from 2019–2021
Leonie Feuer and others
Journal of Antimicrobial Chemotherapy, Volume 79, Issue 9, September 2024, Pages 2273–2280, https://doi.org/10.1093/jac/dkae225
Background MRSA is a major contributor to AMR-related deaths. The WHO’s global action plan emphasizes a One Health approach, acknowledging the connection between humans and their companion animals. It is agreed on that comprehensive AMR surveillance is needed. Objectives This study provides a ...
Absence of maribavir penetration into the central nervous system: confirmation by multiple cerebrospinal fluid dosages in a solid organ transplant recipient
David Luque-Paz and others
Journal of Antimicrobial Chemotherapy, Volume 79, Issue 6, June 2024, Pages 1462–1463, https://doi.org/10.1093/jac/dkae094
Dear Editor-In-Chief, Drug-resistant cytomegalovirus (CMV) infections in solid organ recipients carry a high burden, and foscarnet administration is frequently associated with serious adverse events. 1 , 2 Maribavir is a new oral benzimidazole approved by the Food and Drug Administration for the ...
What are the optimal pharmacokinetic/pharmacodynamic targets for β-lactamase inhibitors? A systematic review
Getnet M Assefa and others
Journal of Antimicrobial Chemotherapy, Volume 79, Issue 5, May 2024, Pages 946–958, https://doi.org/10.1093/jac/dkae058
Background Pharmacokinetic/pharmacodynamic (PK/PD) indices are widely used for the selection of optimum antibiotic doses. For β-lactam antibiotics, fT >MIC , best relates antibiotic exposure to efficacy and is widely used to guide the dosing of β-lactam/β-lactamase inhibitor (BLI) combinations, ...
Efficacy of SPR720 in murine models of non-tuberculous mycobacterial pulmonary infection
Nicole Cotroneo and others
Journal of Antimicrobial Chemotherapy, Volume 79, Issue 4, April 2024, Pages 875–882, https://doi.org/10.1093/jac/dkae046
Background Non-tuberculous mycobacterial pulmonary disease (NTM-PD) is increasing worldwide, with Mycobacterium avium complex (MAC) and Mycobacterium abscessus as the predominant pathogens. Current treatments are poorly tolerated and modestly effective, highlighting the need for new treatments. ...
Why do we use 100 mg of clofazimine in TB and NTM treatment?
Jakko van Ingen
Journal of Antimicrobial Chemotherapy, Volume 79, Issue 4, April 2024, Pages 697–702, https://doi.org/10.1093/jac/dkae041
Current tuberculosis and non-tuberculous mycobacterial disease guidelines recommend the use of clofazimine in a 100 mg once-daily dose. The rationale behind this exact dose is not provided. I performed a literature review to determine the reasoning behind the current dosing regimen. The current 100 ...
In vivo development of cefiderocol resistance in carbapenem-resistant Acinetobacter baumannii associated with the downregulation of a TonB-dependent siderophore receptor, PiuA
Jacqueline Findlay and others
Journal of Antimicrobial Chemotherapy, Volume 79, Issue 4, April 2024, Pages 928–930, https://doi.org/10.1093/jac/dkae018
In conclusion, this study illustrated the in vivo development of FDC resistance in an OXA-23-producing ST2 A. baumannii isolate, as a direct consequence of FDC therapy. A single mutation event was sufficient to result in a 32-fold increase in FDC MIC although this resistance was shown to come ...

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