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Trial registered on ANZCTR
Registration number
ACTRN12605000379617
Ethics application status
Approved
Date submitted
8/09/2005
Date registered
13/09/2005
Date last updated
13/09/2005
Type of registration
Retrospectively registered
Titles & IDs
Public title
Botulinum toxin injections into the salivary glands to reduce drooling in children
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Scientific title
A randomised trial of botulinum toxin injections into the submandibular and parotid glands to reduce drooling in children with neurological disorders
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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:
Excessive drooling in children with neurological disorders
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Condition category
Condition code
Neurological
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Other neurological disorders
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Intervention/exposure
Study type
Interventional
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Description of intervention(s) / exposure
Single Injection of botulinum toxin A into submandibular and parotid glands (25 units per gland) x 1
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Comparator / control treatment
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Control group
Placebo
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Outcomes
Primary outcome [1]
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Questionnaire on frequency, severity and impact of drooling will be administered by phone
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Assessment method [1]
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Timepoint [1]
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At one month post injection, and each successive month for 6 months
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Secondary outcome [1]
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None
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Assessment method [1]
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Timepoint [1]
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Eligibility
Key inclusion criteria
Problem with drooling Guardians able to understand study requirements and give informed consent.
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Minimum age
6
Years
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Maximum age
18
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
Previous botulinum toxin therapy to salivary glandsPrevious saliva control surgeryAny BTX-A treatment in previous 6 monthsNot fit enough to undergo general anaesthesiaUnwillingness to go off drooling medication for length of study.
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Study design
Purpose of the study
Treatment
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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)
Central randomisation
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Methods used to generate the sequence in which subjects will be randomised (sequence generation)
R randomisation plan from http://www.randomization.com was used to generate the randomised sequence in 2 blocks stratified by centre
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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
Parallel
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Other design features
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Phase
Phase 4
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Type of endpoint/s
Efficacy
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Statistical methods / analysis
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Recruitment
Recruitment status
Recruiting
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Date of first participant enrolment
Anticipated
1/10/2004
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Actual
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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
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Actual
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Sample size
Target
56
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Accrual to date
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Final
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Recruitment in Australia
Recruitment state(s)
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Funding & Sponsors
Funding source category [1]
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Commercial sector/Industry
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Name [1]
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Allergan P/L
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Address [1]
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Country [1]
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Primary sponsor type
Other
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Name
Murdoch Children's Research Institute
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Address
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Country
Australia
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Secondary sponsor category [1]
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Hospital
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Name [1]
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Royal Children's Hospital, Melbourne
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Address [1]
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Country [1]
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Australia
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Ethics approval
Ethics application status
Approved
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Ethics committee name [1]
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Royal Children's Hospital
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Ethics committee address [1]
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Ethics committee country [1]
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Australia
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Date submitted for ethics approval [1]
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Approval date [1]
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Ethics approval number [1]
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Ethics committee name [2]
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Southern Health
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Ethics committee address [2]
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Ethics committee country [2]
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Australia
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Date submitted for ethics approval [2]
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Approval date [2]
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Ethics approval number [2]
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Summary
Brief summary
Children with cerebral palsy and other neurological impairments frequently have inadequate saliva control. The secretions may be odorous, cause chronic irritation of the facial skin and may damage clothing and books. Poor saliva control results in loss of self-esteem and can impede community inclusion. Conventional treatments include speech pathology intervention, the use of medication and surgical procedures. These interventions are not universally successful, and may be invasive (surgery) or lead to unwanted side effects (surgery and medication). There have been recent reports about the use of Botulinum toxin A (BTX-A), in the treatment of drooling. BTX-A is widely used as a treatment for spasticity in children with cerebral palsy, blocks the release of acetylcholine at the neuromuscular junction and selectively weakens the muscles for three to six months. This drug can be injected directly into the salivary glands under a general anaesthetic with ultrasound guidance. Within one to three days the drug binds on to the nerve endings and reduces the amount of saliva being produced from the injected salivary glands. Reports of the use of BTX-A are still limited with small groups of subjects, and include reports of studies in both adults and children, and also the injection of different combinations of glands in the various studies. The aim of our study is to assess the effectiveness of injections into the submandibular and parotid glands in a cohort of children with cerebral palsy and other neurological disorders. A randomised controlled study will be undertaken with children being allocated to either receive BTX-A at the start of the trial, or to a control group able to receive treatment at the conclusion of the six month study period. Measures will be undertaken at baseline for both groups, then at monthly intervals for six months. A sample size of 28 children per group will be required. Children will be recruited from the Saliva Control Clinic at the Royal Childrenÿ¿ÿ¢ÿ¿ÿ¿ÿ¿ÿ¿s Hospital and a cohort will also be recruited from the Monash Medical Centre (a separate ethics application will be made). BTX-A will then be injected into both submandibular and sublingual glands with ultrasound guidance. A short general anaesthetic will be necessary. Statistical analysis will be undertaken to determine the effectiveness of BTX-A in reducing poor saliva control. Adverse effects will be reported, and in particular, the views of parents will be established by means of a questionnaire.
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Trial website
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Trial related presentations / publications
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Public notes
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Contacts
Principal investigator
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 public queries
Name
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A/Professor Dinah Reddihough
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Address
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Child Development and Rehabilitation
Royal Children's Hospital
Parkville VIC 3052
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Country
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Australia
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Phone
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+61 3 93455898
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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
Name
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Sue Reid
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Address
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Child Development and Rehabilitation
Royal Children's Hospital
Parkville VIC 3052
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Country
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Australia
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Phone
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+61 3 93454807
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Fax
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Email
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[email protected]
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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
Documents added manually
No documents have been uploaded by study researchers.
Documents added automatically
No additional documents have been identified.
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