- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT01506843
Sublingual Immunotherapy in Children With Allergic Rhinitis (SLIT)
January 9, 2012 updated by: Ernesto Akio Taketomi, Federal University of Uberlandia
Clinical Efficacy and Mucosal/Systemic Antibody Response Changes After Sublingual Immunotherapy in Mite-allergic Children in a Randomized Double-blind, Placebo-controlled Study in Brazil
The purpose of this study is to evaluate the clinical efficacy and mucosal/systemic antibody response changes after SLIT using house dust mite allergen with or without bacterial extracts in mite-allergic children.
Study Overview
Status
Completed
Conditions
Intervention / Treatment
Detailed Description
Patients with allergic rhinitis with or without asthma were selected for a randomized double-blind, placebo-controlled trial and distributed into three groups: DPT (Dpt allergen extract, n=34), DPT+MRB (Dpt allergen plus mixed respiratory bacterial extracts, n=36), and Placebo (n=32).
Clinical evaluation and immunological analyses are being carried out before and after 12 and 18 months of treatment, including rhinitis/asthma symptom and medication scores, skin prick test (SPT) to Dpt, and measurements of Dpt-, Der p 1-, Der p 2-specific serum IgE, IgG4, IgG1 and -specific salivary IgA.
Study Type
Interventional
Enrollment (Actual)
122
Phase
- Not Applicable
Contacts and Locations
This section provides the contact details for those conducting the study, and information on where this study is being conducted.
Study Locations
-
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Goias
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Itumbiara, Goias, Brazil, 75503-520
- Asthma and Rhinitis Control Program
-
-
Participation Criteria
Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.
Eligibility Criteria
Ages Eligible for Study
5 years to 15 years (Child)
Accepts Healthy Volunteers
No
Genders Eligible for Study
All
Description
Inclusion Criteria:
- Clinical diagnosis of allergic rhinitis
- Positive skin test to Dermatophagoides pteronyssinus total extract
- Positive serum levels of specific IgE to D. pteronyssinus extract
Exclusion Criteria:
- Previous allergen immunotherapy
- Use of antihistamines 1 week or topical corticosteroid up to 3 weeks prior to skin prick test
- Long term use of systemic corticosteroid.
- Airway infection 30 days prior to the selection.
- Children with severe asthma, malignant, cardiovascular or autoimmune diseases, under chemotherapy or immunosuppressor therapy.
- Users of cigarette smoke
- Presence of severe skin lesions
Study Plan
This section provides details of the study plan, including how the study is designed and what the study is measuring.
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: Randomized
- Interventional Model: Factorial Assignment
- Masking: Quadruple
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Active Comparator: mite allergen drop
Children with allergic rhinitis sensitized with dust mites will receive progressive doses of allergen drops comparing those receiving placebo.
|
All treatments were given by sublingual route according to schedule of EAACI, with some modification.
Patients received up-dosing sublingual drops once a day, reaching in approximately 3 months a monthly maintenance dose of 36 μg of Der p 1 given three times a week in alternate days for mite, mite and bacterial allergen extract, and no Der p 1 and no bacterial components in the placebo group.
Doses were delivered by using vials equipped with a metered-dose dropper, and subjects were instructed to hold the solution under the tongue for 2 min and not to eat or drink for 60 min after the dose.
Subjects self-administered the treatment at home.
Adjustments in the schedule were made on an individual basis according to standard guidelines for specific immunotherapy
Other Names:
|
Active Comparator: mite plus bacterial extracts
Vaccine constituted with mite and bacterial extracts will be compared to placebo.
|
All treatments were given by sublingual route according to schedule of EAACI, with some modification.
Patients received up-dosing sublingual drops once a day, reaching in approximately 3 months a monthly maintenance dose of 36 μg of Der p 1 given three times a week in alternate days for mite, mite and bacterial allergen extract, and no Der p 1 and no bacterial components in the placebo group.
Doses were delivered by using vials equipped with a metered-dose dropper, and subjects were instructed to hold the solution under the tongue for 2 min and not to eat or drink for 60 min after the dose.
Subjects self-administered the treatment at home.
Adjustments in the schedule were made on an individual basis according to standard guidelines for specific immunotherapy
Other Names:
|
Placebo Comparator: Placebo
Placebo will be constituted by the same solution used to make dilution of the allergen extracts.
|
All treatments were given by sublingual route according to schedule of EAACI, with some modification.
Patients received up-dosing sublingual drops once a day, reaching in approximately 3 months a monthly maintenance dose of 36 μg of Der p 1 given three times a week in alternate days for mite, mite and bacterial allergen extract, and no Der p 1 and no bacterial components in the placebo group.
Doses were delivered by using vials equipped with a metered-dose dropper, and subjects were instructed to hold the solution under the tongue for 2 min and not to eat or drink for 60 min after the dose.
Subjects self-administered the treatment at home.
Adjustments in the schedule were made on an individual basis according to standard guidelines for specific immunotherapy
Other Names:
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Change from Baseline in Symptom and Medication Scores at 12 months
Time Frame: Baseline and 12 months
|
For clinical evaluation will be used a questionnaire determining the symptom and medication scores.
|
Baseline and 12 months
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Change from Baseline in Specific Antibody Levels.
Time Frame: Baseline, 12 months and 18 Months
|
Measurement of serum specific antibodies (IgE, IgG1, IgG4, and IgA) to Dermatophagoides pteronyssinus total extract, and Der p 1 and Der p 2 allergens.
|
Baseline, 12 months and 18 Months
|
Collaborators and Investigators
This is where you will find people and organizations involved with this study.
Sponsor
Investigators
- Principal Investigator: Ernesto A Taketomi, MD, PhD, Federal University of Uberlandia
Study record dates
These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.
Study Major Dates
Study Start
October 1, 2008
Primary Completion (Actual)
October 1, 2010
Study Completion (Actual)
April 1, 2011
Study Registration Dates
First Submitted
December 20, 2011
First Submitted That Met QC Criteria
January 9, 2012
First Posted (Estimate)
January 10, 2012
Study Record Updates
Last Update Posted (Estimate)
January 10, 2012
Last Update Submitted That Met QC Criteria
January 9, 2012
Last Verified
August 1, 2007
More Information
Terms related to this study
Keywords
Additional Relevant MeSH Terms
Other Study ID Numbers
- F3046
- CNPq (Other Grant/Funding Number: CNPq480010/2007-2)
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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