Hydrolyzed Egg and Tolerance Induction
Assessment of the Effect of an HA Egg Administration for 6 Months on the Tolerance Induction to Egg in Children Allergic to Egg as Compared to a Placebo
Study Overview
Status
Status
Conditions
Conditions
Intervention / Treatment
Intervention / Treatment
Study Type
Study Type
Enrollment (Actual)
Enrollment
Phase
Phase
- Not Applicable
Contacts and Locations
Study Locations
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Athens, Greece, 11527
- University of Athens
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Padua, Italy, 35128
- University Hospital of Padua
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Davos Wolfgang, Switzerland, 7265
- Hochgebirgsklinik Davos
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Participation Criteria
Eligibility Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
Child of any ethnicity aged between 12 and 66 months at the time of enrolment
- Positive Skin Prick Test (SPT) to egg white within the last 3 months
- Either positive oral challenge OR convincing history, defined as an immediate (<1h) reaction following isolated ingestion of egg, positive SPT to egg white and positive sIgE (> 0.35 kU/L) for at least one of the following: egg, egg white, ovalbumin, ovomucoid, within the last 12 months
- Having obtained his/her signed legal representative's informed consent.
Exclusion Criteria:
History of severe anaphylaxis to egg
- Significant pre-natal and/or post-natal disease
- Child on systemic drugs (e.g. antihistamines, beta-agonists, ACE-inhibitors) according to half-life at time of enrolment
- Congenital illness or malformation that may affect normal growth (especially immunodeficiency)
- Child whose parents / caregivers cannot be expected to comply with treatment
- Child currently participating in another interventional clinical trial
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: Randomized
- Interventional Model: Parallel Assignment
- Masking: Quadruple
Number of Arms
Arms and Interventions
Participant Group / ArmParticipant Group / Arm |
Intervention / TreatmentIntervention / Treatment |
|---|---|
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Placebo Comparator: Placebo
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Daily dose of HA egg or placebo for 6 months
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Active Comparator: HA egg
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Daily dose of HA egg or placebo for 6 months
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What is the study measuring?
Primary Outcome Measures
Primary Outcome Measures
Outcome Measure |
Time Frame |
|---|---|
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positive or negative result (objective and subjective symptoms) of a challenge test with egg
Time Frame: 6 months
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6 months
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Secondary Outcome Measures
Secondary Outcome Measures
Outcome Measure |
Time Frame |
|---|---|
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compliance (product taken)
Time Frame: 6 months
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6 months
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skin prick test (sensitization to egg; size of wheal and flare)
Time Frame: 6 months
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6 months
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Immunological parameters: total and specific IgE and IgG4, cytokines, basophil activation
Time Frame: 6 months
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6 months
|
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Morbidity / Adverse Events
Time Frame: 6 months
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6 months
|
Collaborators and Investigators
Sponsor
Sponsor
Investigators
Investigators
- Study Chair: Nikolaos Papadopoulos, Prof., University of Athens, Greece
- Principal Investigator: Antonella Muraro, Prof, University Hospital of Padua, Italy
- Principal Investigator: Roger Lauener, Prof., Hochgebirgsklinik Davos, Switzerland
- Principal Investigator: Stavroula Giavi, Dr., University of Athens, Greece
Study record dates
Study Major Dates
Study Start
Study Start
Primary Completion (Actual)
Primary Completion
Study Completion (Actual)
Study Completion
Study Registration Dates
First Submitted
First Submitted
First Submitted That Met QC Criteria
First Submitted That Met QC Criteria
First Posted (Estimate)
First Posted
Study Record Updates
Last Update Posted (Estimate)
Last Update Posted
Last Update Submitted That Met QC Criteria
Last Update Submitted That Met QC Criteria
Last Verified
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
Other Study ID Numbers
- 10.53.NRC
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