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Trial registered on ANZCTR
Registration number
ACTRN12612000518864
Ethics application status
Approved
Date submitted
4/05/2012
Date registered
15/05/2012
Date last updated
16/04/2019
Date data sharing statement initially provided
16/04/2019
Date results provided
16/04/2019
Type of registration
Prospectively registered
Titles & IDs
Public title
OM-85 in the prevention of asthma in high-risk children
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Scientific title
A phase 3, single-centre, double-blind, randomised, placebo-controlled study testing the primary prevention of persistent asthma in high risk children by protection against acute respiratory infections during early childhood using OM-85.
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Secondary ID [1]
280436
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Nil
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Universal Trial Number (UTN)
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Trial acronym
OMPAC
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Linked study record
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Health condition
Health condition(s) or problem(s) studied:
Asthma
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Condition category
Condition code
Respiratory
286659
286659
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0
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Asthma
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Inflammatory and Immune System
286727
286727
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0
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Normal development and function of the immune system
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Intervention/exposure
Study type
Interventional
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Description of intervention(s) / exposure
OM-85 capsule powder (3.5mg) in five blocks of 10 days treatment plus 20 days no treatment, during the first two winter viral seasons (April to September) of a child's life. Capsule powder can be dissolved in fruit juice, water or milk for administration. Parents/guardians will be contacted toward the start of each treatment block as a reminder. Parents/guardians will be given a calendar as a reminder to start treatment blocks and to record doses given or missed. Parents/guardians will return empty and full blister packs at study visits to monitor adherence.
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Intervention code [1]
284795
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Prevention
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Comparator / control treatment
Placebo comprising of excipients of neutralising agents including starch (gluten free).
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Control group
Placebo
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Outcomes
Primary outcome [1]
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Frequency of severe lower respiratory tract infections (sLRI) (fever +/- wheeze) over the first two winter viral seasons of the child's life
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Assessment method [1]
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Timepoint [1]
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Patient diary review at three years of age
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Secondary outcome [1]
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The time to first severe lower respiratory tract infection (sLRI)
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Assessment method [1]
297291
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Timepoint [1]
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Patient diary review at three years of age
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Secondary outcome [2]
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The frequency of sLRI during each winter of the study period
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Assessment method [2]
297292
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Timepoint [2]
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Patient diary review at three years of age
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Secondary outcome [3]
297293
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The cumulative frequency of sLRI (fever +/- wheeze) during the first 3 years of life
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Assessment method [3]
297293
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Timepoint [3]
297293
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Patient diary review at three years of age
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Secondary outcome [4]
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The proportion of children with a doctor diagnosis of asthma during the first 3 years of life
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Assessment method [4]
297294
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Timepoint [4]
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Three years of age
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Secondary outcome [5]
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The proportion of children requiring hospitalization for sLRI during the first 3 years of life
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Assessment method [5]
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Timepoint [5]
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Review of hospitalization records up to three years of age
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Secondary outcome [6]
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Incidence of hospitalization/accident and Emergency department (A&E) visits for a sLRI
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Assessment method [6]
297296
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Timepoint [6]
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Review of hospitalization records up to three years of age
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Secondary outcome [7]
297297
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Number of days hospitalized for sLRI
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Assessment method [7]
297297
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Timepoint [7]
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Review of hospitalization records up to three years of age
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Secondary outcome [8]
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Body mass index at 3 years of age
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Assessment method [8]
297298
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Timepoint [8]
297298
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Three years of age
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Secondary outcome [9]
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Lung function measures at 3 years of age
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Assessment method [9]
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Timepoint [9]
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Lung function measurements using the forced oscillation technique at three years of age
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Eligibility
Key inclusion criteria
1. Children of either sex, aged 3-9 months old whose biological mother, father, or sibling has a history of asthma and/or atopy (defined as SPT reactivity to one or more allergen, food allergy, atopic dermatitis or allergic rhinitis) 2. Participants who, in the opinion of the investigator, are able to comply with the protocol for its duration 3. Written informed consent signed and dated by parent/legal guardian according to local regulations
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Minimum age
3
Months
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Maximum age
9
Months
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Sex
Both males and females
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Can healthy volunteers participate?
Yes
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Key exclusion criteria
1. Children born less than 36 weeks gestation
2. Children who have been diagnosed with asthma
3. Children who have chronic pulmonary disease or other chronic disease (other than atopic dermatitis, food allergy, or chronic rhinitis) requiring therapy
4. Participation in another randomized controlled trial within the 3 months preceding inclusion in this study
5. Children who has previously received OM-85 or other immunostimulant or immunosuppressive drugs including cyclosporine
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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)
Participants will be identified antenatally from family history of asthma/allergies. Participants will be enrolled following birth. Participants will be randomised to a treatment using a code assigned by the treatment supplier.
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Methods used to generate the sequence in which subjects will be randomised (sequence generation)
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Masking / blinding
Blinded (masking 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 3
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Type of endpoint/s
Efficacy
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Statistical methods / analysis
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Recruitment
Recruitment status
Completed
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Date of first participant enrolment
Anticipated
1/02/2013
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Actual
10/04/2013
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Date of last participant enrolment
Anticipated
31/05/2016
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Actual
10/05/2016
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Date of last data collection
Anticipated
31/12/2018
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Actual
11/10/2018
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Sample size
Target
60
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Accrual to date
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Final
59
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Recruitment in Australia
Recruitment state(s)
QLD
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Funding & Sponsors
Funding source category [1]
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University
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Name [1]
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Child Health Research Centre, The University of Queensland
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Address [1]
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Level 7, Centre for Child Health Research
62 Graham Street
South Brisbane Queensland 4101
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Country [1]
285199
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Australia
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Primary sponsor type
University
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Name
Child Health Research Centre, University of Queensland
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Address
Level 7, Centre for Child Health Research
62 Graham Street
South Brisbane Queensland 4101
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Country
Australia
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Secondary sponsor category [1]
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None
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Name [1]
284068
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Address [1]
284068
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Country [1]
284068
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Ethics approval
Ethics application status
Approved
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Ethics committee name [1]
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Queensland Children's Health Services (RCH) HREC
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Ethics committee address [1]
287200
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Ethics committee country [1]
287200
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Date submitted for ethics approval [1]
287200
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18/06/2012
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Approval date [1]
287200
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14/08/2012
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Ethics approval number [1]
287200
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Summary
Brief summary
Persistent asthma is a major problem yet none of the current therapies do more than control the condition. The long-term solution is to prevent asthma from progressing to the persistent form. The major risk factors are: family history, early allergy and recurrent severe lower respiratory infections (sLRI) in the early life. We will conduct a randomized clinical trial to prevent sLRI using a novel bacterial-derived immunostimulant (OM-85) in infants at high risk of developing asthma. OM-85 works by priming the immune system so that body can respond quickly to infections. This will help reduce damage to the lungs during sLRI's and may prevent asthma from developing.
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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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Prof Peter Sly
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Address
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Level 7, Centre for Children's Health Research, The University of Queensland, 62 Graham Street, South Brisbane, QLD 4101
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Country
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Australia
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Phone
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+61 7 3069 7383
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Fax
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+61 7 3069 7159
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Email
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[email protected]
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Contact person for public queries
Name
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Peter Sly
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Address
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Level 7, Centre for Children's Health Research, The University of Queensland, 62 Graham Street, South Brisbane, QLD 4101
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Country
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Australia
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Phone
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+61730697445
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Fax
17384
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+61 7 3069 7159
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Email
17384
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[email protected]
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Contact person for scientific queries
Name
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Peter Sly
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Address
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Level 7, Centre for Children's Health Research, The University of Queensland, 62 Graham Street, South Brisbane, QLD 4101
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Country
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Australia
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Phone
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+61730697445
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Fax
8312
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+61 7 3069 7159
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Email
8312
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[email protected]
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Data sharing statement
Will individual participant data (IPD) for this trial be available (including data dictionaries)?
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No/undecided IPD sharing reason/comment
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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
Source
Title
Year of Publication
DOI
Embase
Primary prevention of severe lower respiratory illnesses in at-risk infants using the immunomodulator OM-85.
2019
https://dx.doi.org/10.1016/j.jaci.2019.05.032
N.B. These documents automatically identified may not have been verified by the study sponsor.
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