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Vodstrcil LA, Htaik K, Plummer EL, De Petra V, Sen MG, Williamson DA, Ong JJ, Wu J, Owlad M, Murray G, Chow EP, Fairley CK, Bradshaw CS. Near-to-patient-testing to inform targeted antibiotic use for sexually transmitted infections in a public sexual health clinic: the NEPTUNE cohort study. THE LANCET REGIONAL HEALTH. WESTERN PACIFIC 2024; 44:101005. [PMID: 38292654 PMCID: PMC10825687 DOI: 10.1016/j.lanwpc.2023.101005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/21/2023] [Revised: 12/04/2023] [Accepted: 12/27/2023] [Indexed: 02/01/2024]
Abstract
Background Empiric treatment of sexually transmitted infections can cause unnecessary antibiotic use. We determined if near-to-patient-testing (NPT) for Neisseria gonorrhoeae, Chlamydia trachomatis and Mycoplasma genitalium (MG) improved antibiotic-use for a range of clinical presentations. Methods Clients attending with non-gonococcal urethritis (NGU), proctitis, as STI-contacts, or for an MG-test-of-cure (MG-TOC) between March and December 2021 were recruited. Participants received near-to-patient-testing (NPT-group) for the three STIs using the GeneXpert® System (Cepheid), and concurrent routine-testing by transcription-mediated-amplification (TMA; Aptima, Hologic). Antibiotic-use among NGU or proctitis cases in the NPT-group was compared to clinic-controls undergoing routine-testing only. The proportion in the NPT-group who notified partners <24 hrs of their STI-specific result was calculated. Findings Among 904 consults by 808 NPT-participants, ≥1 STI was detected in 63/252 (25.0%) with NGU, 22/51 (43.1%) with proctitis, and 167/527 (31.7%) STI-contacts. MG was detected among 35/157 (22.3%) MG-TOC consults. Among NGU and proctitis cases, fewer in the NPT-group received empiric treatment compared to clinic-controls (29.4% [95% CI: 24.3-34.9%] vs 83.8% [95% CI: 79.2-87.8%], p < 0.001), resulting in more NPT-group cases appropriately treated (STI-specific drug/no drug appropriately; 80.9% [95% CI: 76.0-85.1%] vs 33.0% [95% CI: 27.7-38.6%], p < 0.001) and fewer mistreated (incorrect drug/treated but pathogen-negative; 17.8% [13.7-22.6%] vs 61.4% [55.6-66.9%], p < 0.001). Of 167/264 in the NPT-group with an STI who responded regarding partner-notification, 95.2% notified all/some partners; 85.9% notified them <24 hrs of the STI-specific result. Interpretation Near-to-patient-testing significantly improved antibiotic use and a high proportion of individuals rapidly notified partners of STI-specific results, highlighting the broad benefits of timely diagnostic strategies for STIs in clinical decision making and partner notification. Funding ARC ITRP Hub-grant; NHMRC.
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Affiliation(s)
- Lenka A. Vodstrcil
- Central Clinical School, Monash University, Melbourne, Victoria, Australia
- Melbourne Sexual Health Centre, Alfred Health, Melbourne, Victoria, Australia
- Centre for Epidemiology and Biostatistics, Melbourne School of Population and Global Health, The University of Melbourne, Melbourne, Victoria, Australia
| | - Kay Htaik
- Central Clinical School, Monash University, Melbourne, Victoria, Australia
- Melbourne Sexual Health Centre, Alfred Health, Melbourne, Victoria, Australia
| | - Erica L. Plummer
- Central Clinical School, Monash University, Melbourne, Victoria, Australia
- Melbourne Sexual Health Centre, Alfred Health, Melbourne, Victoria, Australia
| | - Vesna De Petra
- Microbiological Diagnostic Unit Public Health Laboratory, Department of Microbiology and Immunology, The Peter Doherty Institute for Infection and Immunity at the University of Melbourne, Melbourne, Victoria, Australia
| | - Melodi G. Sen
- Microbiological Diagnostic Unit Public Health Laboratory, Department of Microbiology and Immunology, The Peter Doherty Institute for Infection and Immunity at the University of Melbourne, Melbourne, Victoria, Australia
| | - Deborah A. Williamson
- Department of Microbiology, Royal Melbourne Hospital, Melbourne, Australia
- Victorian Infectious Diseases Reference Laboratory, The Peter Doherty Institute for Infection and Immunity, Melbourne, Victoria, Australia
| | - Jason J. Ong
- Central Clinical School, Monash University, Melbourne, Victoria, Australia
- Melbourne Sexual Health Centre, Alfred Health, Melbourne, Victoria, Australia
| | - Jason Wu
- Melbourne Sexual Health Centre, Alfred Health, Melbourne, Victoria, Australia
| | - Monica Owlad
- Melbourne Sexual Health Centre, Alfred Health, Melbourne, Victoria, Australia
| | - Gerald Murray
- Murdoch Children's Research Institute, Parkville, Victoria, Australia
- Women's Centre for Infectious Diseases, The Royal Women's Hospital, Parkville, Victoria, Australia
- Department of Obstetrics and Gynaecology, The University of Melbourne, Parkville, Victoria, Australia
| | - Eric P.F. Chow
- Central Clinical School, Monash University, Melbourne, Victoria, Australia
- Melbourne Sexual Health Centre, Alfred Health, Melbourne, Victoria, Australia
- Centre for Epidemiology and Biostatistics, Melbourne School of Population and Global Health, The University of Melbourne, Melbourne, Victoria, Australia
| | - Christopher K. Fairley
- Central Clinical School, Monash University, Melbourne, Victoria, Australia
- Melbourne Sexual Health Centre, Alfred Health, Melbourne, Victoria, Australia
| | - Catriona S. Bradshaw
- Central Clinical School, Monash University, Melbourne, Victoria, Australia
- Melbourne Sexual Health Centre, Alfred Health, Melbourne, Victoria, Australia
- Centre for Epidemiology and Biostatistics, Melbourne School of Population and Global Health, The University of Melbourne, Melbourne, Victoria, Australia
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