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Trial details imported from ClinicalTrials.gov
For full trial details, please see the original record at
https://clinicaltrials.gov/study/NCT01472575
Registration number
NCT01472575
Ethics application status
Date submitted
9/11/2011
Date registered
16/11/2011
Date last updated
16/11/2011
Titles & IDs
Public title
Impact of Rotavirus Vaccine Introduction for South Australian Children
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Scientific title
An Observational, Cross-sectional, Cohort Study to Assess the Impact of the Rotavirus Vaccine Introduction on Severe Gastroenteritis in South Australian Children
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Secondary ID [1]
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38070
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Secondary ID [2]
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38070
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Universal Trial Number (UTN)
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Trial acronym
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Linked study record
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Health condition
Health condition(s) or problem(s) studied:
Viral Gastroenteritis Due to Rotavirus
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Gastroenteritis
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Condition category
Condition code
Infection
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Other infectious diseases
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Infection
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Studies of infection and infectious agents
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Oral and Gastrointestinal
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Other diseases of the mouth, teeth, oesophagus, digestive system including liver and colon
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Intervention/exposure
Study type
Observational
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Patient registry
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Target follow-up duration
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Target follow-up type
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Description of intervention(s) / exposure
Pre- rotavirus vaccination introduction - Children aged 0-less than 6 years of age admitted to hospital in South Australia with ICD10-AM separation codes consistent with rotaviral infection or gastroenteritis of any cause during the period 01May2005-30Apr2007 (pre vaccine introduction)
post rotavirus vaccine introduction - Children aged 0-less than 6 years of age admitted to hospital in South Australia with ICD10-AM separation codes consistent with rotaviral infection or gastroenteritis of any cause during the period 01May2009-30Apr2011 (post vaccine introduction)
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Comparator / control treatment
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Control group
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Outcomes
Primary outcome [1]
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Change in prevalence of rotavirus coded hospital admissions before and after introduction of rotavirus vaccination
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Assessment method [1]
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Timepoint [1]
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2 years prior to vaccine introduction (01May2005-30Apr2007) and 2 years post vaccine introduction (01May2009-30Apr2011)
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Secondary outcome [1]
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Change in prevalence of all-cause gastroenteritis coded hospital admissions before and after rotavirus vaccination introduction
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Assessment method [1]
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Timepoint [1]
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2 years prior to vaccine introduction (01May2005-30Apr2007) and 2 years post vaccine introduction (01May2009-30Apr2011)
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Secondary outcome [2]
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Change in proportion of admissions scored as severe (scored by severity index) for rotavirus coded hospital admissions before and after introduction of rotavirus vaccination
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Assessment method [2]
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Timepoint [2]
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2 years prior to vaccine introduction (01May2005-30Apr2007) and 2 years post vaccine introduction (01May2009-30Apr2011)
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Eligibility
Key inclusion criteria
* males and females aged 0-less than 6 years of age admitted to SA hospital with ICD10-AM separation codes consistent with rotaviral infection or gastroenteritis of any cause.
* for severity component, only admissions to the Women's and Children's Hospital will be examined
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Minimum age
No limit
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Maximum age
6
Years
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Sex
Both males and females
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Can healthy volunteers participate?
No
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Key exclusion criteria
* nosocomial rotaviral infections (defined as onset >48 hours post admission date) will be reported separately in the severity analysis
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Study design
Purpose
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Duration
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Selection
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Timing
Retrospective
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Statistical methods / analysis
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Recruitment
Recruitment status
UNKNOWN
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Data analysis
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Reason for early stopping/withdrawal
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Other reasons
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Date of first participant enrolment
Anticipated
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Actual
1/05/2009
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Date of last participant enrolment
Anticipated
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Actual
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Date of last data collection
Anticipated
1/12/2011
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Actual
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Sample size
Target
1200
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Accrual to date
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Final
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Recruitment in Australia
Recruitment state(s)
SA
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Recruitment hospital [1]
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Women's and Children's Hospital - North Adelaide
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Recruitment postcode(s) [1]
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5006 - North Adelaide
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Funding & Sponsors
Primary sponsor type
Government body
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Name
Associate Professor Helen Marshall
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Address
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Country
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Other collaborator category [1]
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Commercial sector/industry
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Name [1]
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Merck Sharp & Dohme LLC
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Address [1]
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Country [1]
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Ethics approval
Ethics application status
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Summary
Brief summary
This project aims to assess the impact of rotavirus vaccine introduction on severe gastroenteritis in South Australian children. Prevalence of rotavirus coded hospitalisations and all-cause gastroenteritis hospitalisations will be compared for a two year period prior to introduction of the vaccine and a two year period following introduction of the vaccine. Severity of rotavirus coded admissions during the periods will also be assessed. Hypotheses: 1. Introduction of the rotavirus vaccine will result in an 80% reduction in hospitalisations for rotavirus positive gastroenteritis (ICD code A0.80) in children less than two years of age. 2. Introduction of rotavirus vaccine will result in an 80% reduction in Paediatric Emergency presentations for rotavirus positive gastroenteritis in children under two years of age. 3. Introduction of the rotavirus vaccine will result in a 50% reduction in hospitalisations for all cause gastroenteritis (ICD codes A0.00-A0.90) in children less than two years of age. 4. Introduction of the rotavirus vaccine will result in a 50% reduction in Paediatric Emergency presentations for all cause gastroenteritis in children less than two years of age. 5. Introduction of rotavirus vaccine will result in a reduction in hospitalisation and Paediatric Emergency presentations in children aged four and five years with rotavirus positive gastroenteritis (unvaccinated cohort). 6. There will be no difference in severity of disease as scored by the Vesikari and/or clark severity score prior to and post introduction of rotavirus vaccine
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Trial website
https://clinicaltrials.gov/study/NCT01472575
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Trial related presentations / publications
Clarke MF, Davidson GP, Gold MS, Marshall HS. Direct and indirect impact on rotavirus positive and all-cause gastroenteritis hospitalisations in South Australian children following the introduction of rotavirus vaccination. Vaccine. 2011 Jun 24;29(29-30):4663-7. doi: 10.1016/j.vaccine.2011.04.109. Epub 2011 May 14.
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Public notes
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Contacts
Principal investigator
Name
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Helen S Marshall, MBBS MD MPH
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Address
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Women's and Children's Health Network
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Country
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Phone
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Fax
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Email
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Contact person for public queries
Name
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Address
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Country
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Phone
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Fax
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Email
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Contact person for scientific queries
No information has been provided regarding IPD availability
What supporting documents are/will be available?
No Supporting Document Provided
Results publications and other study-related documents
Type
Citations or Other Details
Journal
Clarke MF, Davidson GP, Gold MS, Marshall HS. Dire...
[
More Details
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Results not provided in
https://clinicaltrials.gov/study/NCT01472575
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