- ICH GCP
- Registro degli studi clinici negli Stati Uniti
- Sperimentazione clinica NCT03419533
Study to Assess Oropharyngeal Carriage of N. Meningitidis in South Australian School Leavers (B Part Of It)
An Observational Cross-sectional Study to Assess Oropharyngeal Carriage of N. Meningitidis in South Australian School Leavers
Panoramica dello studio
Stato
Condizioni
Descrizione dettagliata
This carriage study of a cohort of school leavers in South Australia (SA) will provide an opportunity to assess carriage rates in the young adult population (school leavers) following introduction of a 4CMenB vaccination program in senior school students from 2017-2018.This will allow a comparison of carriage prevalence in the two years (2018 and 2019) following implementation of the school program to assess impact on carriage at a population level and compare carriage prevalence in vaccinated versus non-vaccinated groups. Assessment of any association between risk factors and prevalence of nasopharyngeal carriage in school leavers will be made and compared between vaccinated and unvaccinated students.
School leavers are defined as students who were enrolled in year 12 at school in the preceding year of recruitment and have been chosen as they are likely to have the highest carriage rates. A high proportion (approximately two thirds) of students will be immunised by the time of throat swab collection in years 2018 and 2019. Assessing carriage in both vaccinated and unvaccinated cohorts will further inform the effect of 4CMenB vaccine on carriage at a population level. This will help determine any herd immunity impact of 4CMenB vaccine and persistence of any effect.
Tipo di studio
Iscrizione (Effettivo)
Contatti e Sedi
Luoghi di studio
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South Australia
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Adelaide, South Australia, Australia, 5006
- Women's and Children's Hosptial
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Criteri di partecipazione
Criteri di ammissibilità
Età idonea allo studio
Accetta volontari sani
Sessi ammissibili allo studio
Metodo di campionamento
Popolazione di studio
Descrizione
Inclusion Criteria:
- South Australian school leavers between 17 to 25 years of age (enrolled in year 12 in the previous year ie year 2018, students are eligible if they were enrolled in year 12 in 2017, year 2019, students are eligible if they were enrolled in year 12 in 2018).
Exclusion Criteria:
- No exclusion criteria
Piano di studio
Come è strutturato lo studio?
Dettagli di progettazione
Coorti e interventi
Gruppo / Coorte |
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2018 school leavers
South Australian school leavers in 2018 (year 12 in 2017)
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2019 school leavers
South Australian school leavers in 2019 (year 12 in 2018)
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Cosa sta misurando lo studio?
Misure di risultato primarie
Misura del risultato |
Misura Descrizione |
Lasso di tempo |
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Estimate the Difference in Carriage Prevalence of Disease Associated Genogroups of N. Meningitidis (A, B, C, W, X, Y) Between School Leavers in 2018 (Year 12 in 2017) and 2019 (Year 12 in 2018), Following a 4CMenB School Immunisation Program
Lasso di tempo: 2018 to 2019
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As measured by PCR in school leavers in 2018 and 2019
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2018 to 2019
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Misure di risultato secondarie
Misura del risultato |
Misura Descrizione |
Lasso di tempo |
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Estimate the Difference in Carriage Prevalence of All N. Meningitidis Genogroups Between South Australian School Leavers in 2018 (Year 12 in 2017) and 2019 (Year 12 in 2018)
Lasso di tempo: 2018 to 2019
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As measured by PCR in school leavers in 2018 and 2019
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2018 to 2019
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Estimate the Difference in Carriage Prevalence of Each N. Meningitidis Genogroup (A, B, C, W, X, Y) Between South Australian School Leavers in 2018 (Year 12 in 2017) and 2019 (Year 12 in 2018)
Lasso di tempo: 2018 to 2019
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As measured by PCR in school leavers in 2018 and 2019
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2018 to 2019
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Across Years, Estimate the Difference in Carriage Prevalence of N. Meningitidis Genogroups Causing Disease (A, B, C, W, X, Y) Between South Australian School Leavers Who Received 4CMenB Vaccine and Unvaccinated Students
Lasso di tempo: 2018 to 2019
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As measured by PCR in vaccinated and unvaccinated school leavers
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2018 to 2019
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Across Years, Estimate the Difference in Carriage Prevalence of All N. Meningitidis Genogroups Between South Australian School Leavers Who Have Received 4CMenB and Unvaccinated Students.
Lasso di tempo: 2018 to 2019
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As measured by PCR in vaccinated and unvaccinated school leavers in 2018 and 2019
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2018 to 2019
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Across Years, Estimate the Difference in Each N. Meningitidis Genogroup (A, B, C, W, X, Y) Carriage Prevalence Between South Australian School Leavers Who Received 4CMenB Vaccine and Unvaccinated Students
Lasso di tempo: 2018 to 2019
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As measured by PCR in vaccinated and unvaccinated school leavers
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2018 to 2019
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Identify Characteristics Associated With Carriage Prevalence of All N. Meningitidis Genogroups in South Australian School Leavers in 2018/2019
Lasso di tempo: 2018 to 2019
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As measured by PCR in school leavers
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2018 to 2019
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Identify Characteristics Associated With Carriage Prevalence of N. Meningitidis Genogroups Causing Disease (A, B, C, W, X, Y) in South Australian School Leavers in 2018 /2019
Lasso di tempo: 2018 to 2019
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As measured by PCR in school leavers
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2018 to 2019
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Altre misure di risultato
Misura del risultato |
Misura Descrizione |
Lasso di tempo |
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Describe Carriage Density of N. Meningitidis Genogroups as Measured by qPCR in School Leavers
Lasso di tempo: 2018 to 2019
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Density of N. meningitides by qPCR
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2018 to 2019
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Describe Genome Sequencing of Pathogenic N. Meningitidis (A, B, C, W, X, Y) in Carriage Among School Leavers.
Lasso di tempo: 2018 to 2019
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Whole genome sequencing of N. meningitidis
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2018 to 2019
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Collaboratori e investigatori
Sponsor
Pubblicazioni e link utili
Pubblicazioni generali
- Marshall HS, McMillan M, Koehler A, Lawrence A, MacLennan J, Maiden M, Ramsay M, Ladhani SN, Trotter C, Borrow R, Finn A, Sullivan T, Richmond P, Kahler C, Whelan J, Vadivelu K. B Part of It School Leaver protocol: an observational repeat cross-sectional study to assess the impact of a meningococcal serogroup B (4CMenB) vaccine programme on carriage of Neisseria meningitidis. BMJ Open. 2019 May 6;9(5):e027233. doi: 10.1136/bmjopen-2018-027233.
- McMillan M, Bednarz J, Leong LEX, Lawrence A, Marshall HS. Impact of COVID-19 Containment Strategies and Meningococcal Conjugate ACWY Vaccination on Meningococcal Carriage in Adolescents. Pediatr Infect Dis J. 2022 Nov 1;41(11):e468-e474. doi: 10.1097/INF.0000000000003660. Epub 2022 Jul 27.
- McMillan M, Koehler AP, Lawrence A, Sullivan TR, Bednarz J, MacLennan JM, Maiden MCJ, Ladhani SN, Ramsay ME, Trotter C, Borrow R, Finn A, Kahler CM, Whelan J, Vadivelu K, Richmond PC, Marshall HS. B Part of It School Leaver Study: A Repeat Cross-Sectional Study to Assess the Impact of Increasing Coverage With Meningococcal B (4CMenB) Vaccine on Carriage of Neisseria meningitidis. J Infect Dis. 2022 Feb 15;225(4):637-649. doi: 10.1093/infdis/jiab444.
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Date di iscrizione allo studio
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Primo inviato che soddisfa i criteri di controllo qualità
Primo Inserito (Effettivo)
Aggiornamenti dei record di studio
Ultimo aggiornamento pubblicato (Effettivo)
Ultimo aggiornamento inviato che soddisfa i criteri QC
Ultimo verificato
Maggiori informazioni
Termini relativi a questo studio
Altri numeri di identificazione dello studio
- HREC/16/WCHN/140_3
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Queste informazioni sono state recuperate direttamente dal sito web clinicaltrials.gov senza alcuna modifica. In caso di richieste di modifica, rimozione o aggiornamento dei dettagli dello studio, contattare register@clinicaltrials.gov. Non appena verrà implementata una modifica su clinicaltrials.gov, questa verrà aggiornata automaticamente anche sul nostro sito web .
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