Safety, Tolerability and Pharmacodynamic Effects of Sublingual Immunotherapy (Tablets) With Recombinant Bet v1
A Phase I Study to Investigate the Safety, Tolerability and Pharmacodynamic Effects of SLIT(Tablets) With Recombinant Bet v1 Given in Single Rising Doses and in Higher Multi Dose Regimens to Subjects Sensitised to Birch Pollen
Study Overview
Status
Status
Conditions
Conditions
Intervention / Treatment
Intervention / Treatment
Study Type
Study Type
Enrollment (Actual)
Enrollment
Phase
Phase
- Phase 1
Contacts and Locations
Study Locations
-
-
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Copenhagen, Denmark
- National University Hospital - Allergy Unit 4222
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-
Participation Criteria
Eligibility Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- written consent
- Symptoms of birch pollen induced allergic rhinitis for at least the last 2 years.
- Sensitisation to birch pollen as demonstrated with a positive SPT to birch pollen and specific IgE level (birch pollen and r Bet v1) of at least Class 2 at screening.
- FEV1 at least of 80% of predicted values at screening.
Exclusion Criteria:
- Patient who previously received desensitization treatment to birch pollen and/or other betulaceae (e.g., hazel tree, alder…) or who plan to start desensitization treatment during this study.
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 |
|---|---|
|
Placebo Comparator: Placebo
Placebo group
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Two matching placebo tablets were administered every day over 2 weeks with a 2-day break for the week-end.
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|
Experimental: Active group
rBet v 1 tablets
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Two tablets (1 placebo + 1 rBet v 1 or 2 rBet v 1) were administered every day over 2 weeks with a 2-day break for the week-end.
Administered doses ranged from 50 to 300 µg rBet v 1.
Other Names:
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What is the study measuring?
Primary Outcome Measures
Primary Outcome Measures
Outcome Measure |
Time Frame |
|---|---|
|
Local tolerability
Time Frame: Assessed every day over 2 weeks
|
Assessed every day over 2 weeks
|
|
Global safety
Time Frame: Assessed every day over 2 weeks
|
Assessed every day over 2 weeks
|
Secondary Outcome Measures
Secondary Outcome Measures
Outcome Measure |
Time Frame |
|---|---|
|
Immunological markers (IgE and IgG4)
Time Frame: Between selection and follow-up visit
|
Between selection and follow-up visit
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Collaborators and Investigators
Sponsor
Sponsor
Collaborators
Collaborators
Investigators
Investigators
- Principal Investigator: Hans-Jorgen MALLING, Professor, National University Hospital, Copenhagen
Publications and helpful links
General Publications
- L. Winther, L.K. Poulsen, B. Robin, M. Mélac, H. Malling Safety and Tolerability of Recombinant Bet v 1 (rBet v 1) Tablets in Sublingual Immunotherapy (SLIT) The Journal of Allergy and Clinical Immunology February 2009 (Vol. 123, Issue 2, Page S215)
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
- VO49.06 DK
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