{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,3]],"date-time":"2026-09-03T21:36:29Z","timestamp":1788471389283,"version":"build-2803163510"},"reference-count":30,"publisher":"Oxford University Press (OUP)","issue":"12","license":[{"start":{"date-parts":[[2024,10,17]],"date-time":"2024-10-17T00:00:00Z","timestamp":1729123200000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by-nc\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2024,12,2]]},"abstract":"<jats:title>Abstract<\/jats:title>\n               <jats:sec>\n                  <jats:title>Objectives<\/jats:title>\n                  <jats:p>Since June 2022, there has been a rise in the number of ceftriaxone-resistant Neisseria gonorrhoeae cases detected in England (n\u200a=\u200a15), of which a third were XDR. We describe the demographic and clinical details of the recent cases and investigate the phenotypic and molecular characteristics of the isolates. For a comprehensive overview, we also reviewed 16 ceftriaxone-resistant cases previously identified in England since December 2015 and performed a global genomic comparison of all publicly available ceftriaxone-resistant N. gonorrhoeae strains with mosaic penA alleles.<\/jats:p>\n               <\/jats:sec>\n               <jats:sec>\n                  <jats:title>Methods<\/jats:title>\n                  <jats:p>All N. gonorrhoeae isolates resistant to ceftriaxone (MIC\u200a&amp;gt;\u200a0.125\u2005mg\/L) were whole-genome sequenced and compared with 142 global sequences of ceftriaxone-resistant N. gonorrhoeae. Demographic, behavioural and clinical data were collected.<\/jats:p>\n               <\/jats:sec>\n               <jats:sec>\n                  <jats:title>Results<\/jats:title>\n                  <jats:p>All cases were heterosexual, and most infections were associated with travel from the Asia-Pacific region. However, some had not travelled outside England within the previous few months. There were no ceftriaxone genital treatment failures, but three of five pharyngeal infections and the only rectal infection failed treatment. The isolates represented 13 different MLST STs, and most had the mosaic penA-60.001 allele. The global genomes clustered into eight major phylogroups, with regional associations. All XDR isolates belonged to the same phylogroup, represented by MLST ST16406.<\/jats:p>\n               <\/jats:sec>\n               <jats:sec>\n                  <jats:title>Conclusions<\/jats:title>\n                  <jats:p>Most cases of ceftriaxone-resistant N. gonorrhoeae detected in England were associated with travel from the Asia-Pacific region. All genital infections were successfully treated with ceftriaxone, but there were extragenital treatment failures. Ceftriaxone resistance continues to be associated with the penA-60.001 allele within multiple genetic backgrounds and with widespread dissemination in the Asia-Pacific region.<\/jats:p>\n               <\/jats:sec>","DOI":"10.1093\/jac\/dkae369","type":"journal-article","created":{"date-parts":[[2024,10,1]],"date-time":"2024-10-01T19:22:59Z","timestamp":1727810579000},"page":"3332-3339","source":"Crossref","is-referenced-by-count":55,"title":["Ceftriaxone-resistant <i>Neisseria gonorrhoeae<\/i> detected in England, 2015\u201324: an observational analysis"],"prefix":"10.1093","volume":"79","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-7756-403X","authenticated-orcid":false,"given":"Helen","family":"Fifer","sequence":"first","affiliation":[{"name":"Blood Safety, Hepatitis, STI & HIV Division, United Kingdom Health Security Agency , London 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,","place":["UK"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-1360-8288","authenticated-orcid":false,"given":"John","family":"Evans-Jones","sequence":"additional","affiliation":[{"name":"Cheshire West and Chester Sexual Health Services , Chester ,","place":["UK"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Alison","family":"Blume","sequence":"additional","affiliation":[{"name":"Sexual Health Service, Solent NHS Trust , Portsmouth ,","place":["UK"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Olamide","family":"Dosekun","sequence":"additional","affiliation":[{"name":"Jefferiss Wing Centre for Sexual Health & HIV, Imperial College Healthcare NHS Trust , London ,","place":["UK"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0009-0006-0251-2378","authenticated-orcid":false,"given":"Kenny","family":"Poon","sequence":"additional","affiliation":[{"name":"Jefferiss 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