Safety and Tolerability Study of rBet v1 SLIT Tablets

NCT ID: NCT00889460

Last Updated: 2009-04-29

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

PHASE1

Total Enrollment

55 participants

Study Classification

INTERVENTIONAL

Study Start Date

2007-11-30

Study Completion Date

2008-04-30

Brief Summary

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The purpose of this study is to determine the safety and tolerability of several doses of r Bet v1 administered as sub-lingual tablets in subjects sensitised to birch pollen.

Detailed Description

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Conditions

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Birch Pollen-Related Rhinoconjunctivitis Rhinitis, Allergic, Seasonal

Keywords

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rBet v 1 Birch pollen allergy Sublingual Immunotherapy

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

TREATMENT

Blinding Strategy

QUADRUPLE

Participants Caregivers Investigators Outcome Assessors

Study Groups

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1

Placebo group

Group Type PLACEBO_COMPARATOR

Placebo

Intervention Type BIOLOGICAL

Two matching placebo tablets were administered every day over 2 weeks with a 2-day break for the week-end.

2

rBet v 1 tablets

Group Type EXPERIMENTAL

rBet v 1

Intervention Type BIOLOGICAL

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 12.5 to 100 µg rBet v 1.

Interventions

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rBet v 1

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 12.5 to 100 µg rBet v 1.

Intervention Type BIOLOGICAL

Placebo

Two matching placebo tablets were administered every day over 2 weeks with a 2-day break for the week-end.

Intervention Type BIOLOGICAL

Other Intervention Names

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rBet v 1.0101

Eligibility Criteria

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Inclusion Criteria

* written consent
* Male or female subject from 18 to 60 years old and in general good health
* For woman of child bearing potential:
* 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) \>0.70 kU/L at screening.
* FEV1 at least of 80% of predicted values at screening.
* Subject accepting to comply fully with the protocol.

Exclusion Criteria

* Past or current disease which as judged by the Investigator, may affect the outcome of this study.
* History of life-threatening asthma,
* Asthma requiring daily treatment (whatever the pharmaceutical class).
* Pregnant or lactating woman.
* Subject being treated with inhaled steroids within 4 weeks prior to screening visit or within 12 weeks prior to screening visit.
* Subject who previously received desensitisation treatment to birch pollen and/or other betulaceae (e.g., hazel tree, alder) or who plan to start desensitisation treatment during this study.
* Symptoms during the treatment phase due to a sensitivity to a second allergen.
* Subjects treated with ongoing immunotherapy with another allergen
Minimum Eligible Age

18 Years

Maximum Eligible Age

60 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

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Quintiles, Inc.

INDUSTRY

Sponsor Role collaborator

Stallergenes Greer

INDUSTRY

Sponsor Role lead

Responsible Party

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Stallergenes S.A.

Principal Investigators

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Hans-Jorgen MALLING, Pr. MD

Role: PRINCIPAL_INVESTIGATOR

National University Hospital - Copenhagen - DENMARK

Locations

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National University Hospital - Allergy Unit 4222

Copenhagen, , Denmark

Site Status

Countries

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Denmark

References

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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)

Reference Type RESULT

Other Identifiers

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VO58.07 DK

Identifier Type: -

Identifier Source: org_study_id