Safety and Efficacy of Sublingual Immunotherapy (SLIT) Tablets in Grass Pollen Rhinoconjunctivitis

NCT ID: NCT00367640

Last Updated: 2016-05-23

Study Results

Results available

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Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

PHASE2/PHASE3

Total Enrollment

628 participants

Study Classification

INTERVENTIONAL

Study Start Date

2004-11-30

Study Completion Date

2005-09-30

Brief Summary

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To evaluate the safety and efficacy of SLIT compared with placebo for reduction of symptoms and rescue medication usage

Detailed Description

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Conditions

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Allergy

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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100 IR

100 IR grass pollen allergen extract tablet

Group Type EXPERIMENTAL

100 IR grass pollen allergen extract tablet

Intervention Type DRUG

One sublingual tablet daily during 4 months before pollen season and during pollen season

300 IR

300 IR grass pollen allergen extract tablet

Group Type EXPERIMENTAL

300 IR grass pollen allergen extract tablet

Intervention Type DRUG

One sublingual tablet daily during 4 months before pollen season and during pollen season

500 IR

500 IR grass pollen allergen extract tablet

Group Type EXPERIMENTAL

500 IR grass pollen allergen extract tablet

Intervention Type DRUG

One sublingual tablet daily during 4 months before pollen season and during pollen season

Placebo

Placebo tablet

Group Type PLACEBO_COMPARATOR

Placebo tablet

Intervention Type DRUG

One sublingual tablet daily during 4 months before pollen season and during pollen season

Interventions

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100 IR grass pollen allergen extract tablet

One sublingual tablet daily during 4 months before pollen season and during pollen season

Intervention Type DRUG

300 IR grass pollen allergen extract tablet

One sublingual tablet daily during 4 months before pollen season and during pollen season

Intervention Type DRUG

500 IR grass pollen allergen extract tablet

One sublingual tablet daily during 4 months before pollen season and during pollen season

Intervention Type DRUG

Placebo tablet

One sublingual tablet daily during 4 months before pollen season and during pollen season

Intervention Type DRUG

Other Intervention Names

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Sublingual immunotherapy tablet Sublingual immunotherapy tablet Sublingual immunotherapy tablet Sublingual placebo tablet

Eligibility Criteria

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Inclusion Criteria

* Written consent
* Grass-pollen related allergic rhinoconjunctivitis for at least the last 2 pollen seasons.
* Sensitised to grass pollen (positive SPT and RAST level of at least class 2).
* Total symptom score of the RRTSS during the previous pollen season greater than or equal to 12.
* Safety laboratory resuts within the references ranges

Exclusion Criteria

* Pregnancy, breast-feeding/lactation
* Had received desensitisation treatment for grass pollen
* Treatment by immunotherapy with another allergen within the previous 5 years
* Usual contraindications of immunotherapy such as serious immunopathologic conditions or malignancies
* Treated with beta-blockers or under continuous corticotherapy
Minimum Eligible Age

18 Years

Maximum Eligible Age

45 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

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Stallergenes Greer

INDUSTRY

Sponsor Role lead

Responsible Party

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Responsibility Role SPONSOR

Principal Investigators

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Alain DIDIER, Professor

Role: PRINCIPAL_INVESTIGATOR

Hôpital Rangueil-Larrey, Toulouse, France

References

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Didier A, Malling HJ, Worm M, Horak F, Jager S, Montagut A, Andre C, de Beaumont O, Melac M. Optimal dose, efficacy, and safety of once-daily sublingual immunotherapy with a 5-grass pollen tablet for seasonal allergic rhinitis. J Allergy Clin Immunol. 2007 Dec;120(6):1338-45. doi: 10.1016/j.jaci.2007.07.046. Epub 2007 Nov 1.

Reference Type RESULT
PMID: 17935764 (View on PubMed)

Other Identifiers

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VO34.04

Identifier Type: -

Identifier Source: org_study_id

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