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Trial details imported from ClinicalTrials.gov
For full trial details, please see the original record at
https://clinicaltrials.gov/study/NCT00133926
Registration number
NCT00133926
Ethics application status
Date submitted
23/08/2005
Date registered
24/08/2005
Date last updated
5/04/2007
Titles & IDs
Public title
Prevention of Pre-Term Birth by Treatment of Periodontal Disease
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Scientific title
Prevention of Pre-Term Birth by Treatment of Periodontal Disease During Pregnancy - The Smile Study
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Secondary ID [1]
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NHMRC Australia 353577
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Secondary ID [2]
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353577
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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:
Periodontal Diseases
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Premature Birth
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Pre-Eclampsia
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Condition category
Condition code
Oral and Gastrointestinal
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Other diseases of the mouth, teeth, oesophagus, digestive system including liver and colon
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Infection
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Other infectious diseases
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Reproductive Health and Childbirth
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Fetal medicine and complications of pregnancy
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Cardiovascular
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Hypertension
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Reproductive Health and Childbirth
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Complications of newborn
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Reproductive Health and Childbirth
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Childbirth and postnatal care
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Intervention/exposure
Study type
Interventional
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Description of intervention(s) / exposure
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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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Rate of pre-term birth
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Assessment method [1]
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Timepoint [1]
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Secondary outcome [1]
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Rate of fetal growth restriction
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Assessment method [1]
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Timepoint [1]
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Secondary outcome [2]
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Rate of pre-eclampsia
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Assessment method [2]
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Timepoint [2]
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Secondary outcome [3]
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Rate of complications of pre-term birth
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Assessment method [3]
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Timepoint [3]
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Eligibility
Key inclusion criteria
* Pregnant women, with single pregnancies, between 12 and 20 weeks gestation
* Periodontal disease defined as periodontal pocketing at a threshold of 4mm or more at 10% or more of sites
* Agree to receive periodontal treatment
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Minimum age
16
Years
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Maximum age
No limit
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Sex
Females
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Can healthy volunteers participate?
No
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Key exclusion criteria
* Unable to attend for treatment
* Less than 16 years of age
* Have a fetus with an abnormality that predisposes the pregnancy to pre-term birth
* Multiple pregnancy
* Cardiac disease that would require antibiotic therapy
* Have fewer than 20 teeth
* Present for antenatal care after 20 weeks gestation
* Unable to understand the implications of participation in the trial
* Currently receiving periodontal treatment
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Study design
Purpose of the study
Prevention
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Allocation to intervention
Randomised controlled trial
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Procedure for enrolling a subject and allocating the treatment (allocation concealment procedures)
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Methods used to generate the sequence in which subjects will be randomised (sequence generation)
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Masking / blinding
Open (masking not used)
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Who is / are masked / blinded?
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Intervention assignment
Single group
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Other design features
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Phase
Phase 2
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Type of endpoint/s
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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
1/03/2005
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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
1/06/2008
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Actual
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Sample size
Target
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Accrual to date
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Final
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Recruitment in Australia
Recruitment state(s)
WA
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Recruitment hospital [1]
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King Edward Memorial Hospital, Bagot Rd, Subiaco - Perth
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Recruitment postcode(s) [1]
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6008 - Perth
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Funding & Sponsors
Primary sponsor type
Other
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Name
King Edward Memorial Hospital
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Address
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Country
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Other collaborator category [1]
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Other
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Name [1]
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The University of Western Australia
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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
The aim of the study is to investigate, in an Australian population of pregnant women, whether the treatment of periodontal disease during pregnancy prevents pre-term birth and other complications of pregnancy. Dental screening and periodontal treatment protocols have been based on standard techniques employed by hygienists that can be readily applied to the general obstetric population.
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Trial website
https://clinicaltrials.gov/study/NCT00133926
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Trial related presentations / publications
Newnham JP, Newnham IA, Ball CM, Wright M, Pennell CE, Swain J, Doherty DA. Treatment of periodontal disease during pregnancy: a randomized controlled trial. Obstet Gynecol. 2009 Dec;114(6):1239-1248. doi: 10.1097/AOG.0b013e3181c15b40.
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Public notes
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Contacts
Principal investigator
Name
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John P Newnham, MD, FRANZCOG
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Address
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The University of Western Australia
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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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John P Newnham, MD, FRANZCOG
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Address
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Country
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Phone
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61 9 9340 1331
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Fax
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Email
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[email protected]
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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
No documents have been uploaded by study researchers.
Results not provided in
https://clinicaltrials.gov/study/NCT00133926
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