Phase I/IIa Clinical Evaluation of AllerT vs Placebo in Subjects Allergic to Birch Pollen (AN003)
Phase I/IIa Study to Assess the Safety, Immunogenicity and Efficacy of AllerT, a Combination of Peptides Derived From Bet v 1, Administered Via the Subcutaneous or Intradermal Route to Volunteers Allergic to Birch Pollen
Study Overview
Status
Status
Conditions
Conditions
Intervention / Treatment
Intervention / Treatment
Detailed Description
Study Type
Study Type
Enrollment (Actual)
Enrollment
Phase
Phase
- Phase 2
- Phase 1
Contacts and Locations
Study Locations
-
-
-
Lausanne, Switzerland, 1005
- Lausanne University Hospital
-
-
Participation Criteria
Eligibility Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- Allergic rhinitis symptoms during the pollen season preceding the study, confirmed by SPT (prick tests) and/or a positive specific IgE CAP test for birch pollen (class I minimum)
- Positive SPT to Bet v 1 (prick tests), negative SPT to AllerT
Exclusion Criteria:
- received immunotherapy against any allergen within 3 years before the start of the study.
- symptomatic to perennial allergens or active seasonal allergy during the trial.
- non controlled asthma (peak flow lower than 30% of predicted value).
- history of any severe medical condition able to influence the course of the study
- Any confirmed or suspected immunodeficiency condition, including human immunodeficiency virus (HIV) infection and asplenia.
- Subjects under immunosuppressive medication.
- Pregnant or lactating women or women willing or intending to become pregnant during the study.
- Any other significant finding which, in the opinion of the investigator, would increase the risk of having an adverse outcome from participating in this protocol or of dropping out of the study
Study Plan
How is the study designed?
Design Details
- Primary Purpose: TREATMENT
- Allocation: RANDOMIZED
- Interventional Model: FACTORIAL
- Masking: QUADRUPLE
Number of Arms
Arms and Interventions
Participant Group / ArmParticipant Group / Arm |
Intervention / TreatmentIntervention / Treatment |
|---|---|
|
EXPERIMENTAL: AllerT SC
AllerT subcutaneous injections
|
AllerT subcutaneous injections on days 1, 7, 14, 21 and 56 - cumulative dose 440 microgram)
Other Names:
|
|
PLACEBO_COMPARATOR: Placebo SC
placebo subcutaneous injections
|
Placebo subcutaneous injections on days 1, 7, 14, 21 and 56
Other Names:
|
|
EXPERIMENTAL: AllerT ID
AllerT intra-dermal injections
|
AllerT intra-dermal injections on days 1, 7, 14, 21 and 56 - cumulative dose 440 microgram)
Other Names:
|
|
PLACEBO_COMPARATOR: Placebo ID
placebo intra-dermal injections
|
Placebo intra-dermal injections on days 1, 7, 14, 21 and 56
Other Names:
|
What is the study measuring?
Primary Outcome Measures
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
|---|---|---|
|
Number of participants with adverse events
Time Frame: 84 days
|
collection of local or systemic allergic reactions and any other adverse events through patient diaries and investigators' interviews during the 8-week treatment period and 4 week post-treatment follow-up (Day 84)
|
84 days
|
Secondary Outcome Measures
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
|---|---|---|
|
change from baseline in blood levels of specific IgG4 and IgE
Time Frame: after 7, 14, 21, 56 and 84 days and after 16 to 18 months and 40 to 42 months
|
blood samples were taken at baseline and at weeks 1, 2, 4 and 8 of the treatment period, 4 weeks later and then in July 2010 and in July 2012
|
after 7, 14, 21, 56 and 84 days and after 16 to 18 months and 40 to 42 months
|
|
change from baseline in nasal provocation tests
Time Frame: 84 days
|
nasal provocation tests with birch pollen extract are assessed before treatment and at visit on day 84 of the trial, 4 weeks after completion of treatment
|
84 days
|
Other Outcome Measures
Other Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
|---|---|---|
|
Total score of the Mini-RQLQ Quality-of-life questionnaire
Time Frame: 4 weeks during April 2009
|
weekly questionnaires are filled in by the subjects during April 2009 at the time of the birch pollen season in the trial center area
|
4 weeks during April 2009
|
Collaborators and Investigators
Sponsor
Sponsor
Investigators
Investigators
- Principal Investigator: Francois Spertini, MD, University of Lausanne Hospital
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
Keywords
Additional Relevant MeSH Terms
Other Study ID Numbers
Other Study ID Numbers
- AN003
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