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Trial details imported from ClinicalTrials.gov
For full trial details, please see the original record at
https://clinicaltrials.gov/study/NCT00513487
Registration number
NCT00513487
Ethics application status
Date submitted
6/08/2007
Date registered
8/08/2007
Date last updated
15/07/2008
Titles & IDs
Public title
Effects of Multiple Nasal Exposures to House Dust Mite Allergen on Nasal and Body Inflammation and Airway Sensitivity
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Scientific title
Assessment of the Effects of Multiple Nasal Antigen Challenges With Dust Mite Allergen on Local and Systemic Allergic Inflammation and Bronchoreactivity in Subjects With Allergic Rhinitis Sensitive to House Dust Mite - a Feasibility and Site Evaluation Study
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Secondary ID [1]
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CPJMR0052107
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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:
Allergic Rhinitis
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Condition category
Condition code
Inflammatory and Immune System
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Allergies
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Inflammatory and Immune System
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Other inflammatory or immune system disorders
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Respiratory
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0
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Other respiratory disorders / diseases
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Intervention/exposure
Study type
Interventional
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Description of intervention(s) / exposure
Treatment: Drugs - Dust mite extract, Fluticasone, Methacholine
Treatment: Drugs: Dust mite extract, Fluticasone, Methacholine
Dust mite extract, Fluticasone, Methacholine
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Intervention code [1]
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Treatment: Drugs
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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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Total nasal symptom score recorded at baseline, and at pre-challenge,15 mins, 30 mins,and at 1,2,3,4,8 hours
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Assessment method [1]
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Timepoint [1]
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throughout the study
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Secondary outcome [1]
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Peak nasal inspiratory flow at time points of total nasal symptom score. Mechanistic markers during challenge days. Exhaled nitric oxide,forced expiratory vol in 1 second & airway resistance at baseline, first & last day
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Assessment method [1]
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Timepoint [1]
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throughout the study
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Eligibility
Key inclusion criteria
* Healthy non-smoking subjects with a history of allergic rhinitis consistent with dust mite allergy showing
* A positive skin prick test to dust mite at or within the 12 months before study start
* Demonstrate symptomatic worsening after graded nasal allergen challenge
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Minimum age
18
Years
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Maximum age
55
Years
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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
* Subjects found to be very sensitive to house dust mites (if the skin prick test produces a wheal of mean with a diameter greater than 11 mm).
* Presence of any respiratory disease other than a history of mild stable asthma not requiring regular treatment.
* Any known contraindications for methacholine challenge testing
Other protocol-defined inclusion/exclusion criteria may apply.
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Study design
Purpose of the study
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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
Parallel
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Other design features
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Phase
NA
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Type of endpoint/s
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Statistical methods / analysis
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Recruitment
Recruitment status
Completed
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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
1/07/2007
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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
1/11/2007
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Sample size
Target
18
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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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Recruitment hospital [1]
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Novartis Investigative site - Sydney
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Recruitment postcode(s) [1]
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- Sydney
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Funding & Sponsors
Primary sponsor type
Commercial sector/industry
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Name
Novartis
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Address
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Country
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Ethics approval
Ethics application status
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Summary
Brief summary
This study will evaluate whether multiple nasal antigen challenges with dust mite allergen produces increases in nasal symptoms and local allergic inflammatory cells in the nose and the blood.
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Trial website
https://clinicaltrials.gov/study/NCT00513487
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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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Novartis
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Address
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Investigative site
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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
No documents have been uploaded by study researchers.
Results not provided in
https://clinicaltrials.gov/study/NCT00513487
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