Phase III Study to Assess the Long Term Efficacy, Carry-over Effect and Safety of 300 IR Sublingual Immunotherapy Tablets

NCT ID: NCT00418379

Last Updated: 2016-05-25

Study Results

Results available

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Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

PHASE3

Total Enrollment

633 participants

Study Classification

INTERVENTIONAL

Study Start Date

2006-12-31

Study Completion Date

2011-09-30

Brief Summary

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A phase III study to evaluate Long term efficacy , carry-over effect and safety of 300 IR sublingual Immunotherapy (SLIT) tablets in adults patients suffering from grass pollen rhinoconjunctivitis

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

DOUBLE

Participants Investigators

Study Groups

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300 IR (4M)

300 IR grass pollen allergen extract tablet, treatment starting 4 months before the pollen season

Group Type EXPERIMENTAL

300 IR (4M)

Intervention Type DRUG

300 IR grass pollen allergen extract tablet starting 4 months before the pollen season

300 IR (2M)

300 IR grass pollen allergen extract tablet, treatment starting 2 months before the pollen season

Group Type EXPERIMENTAL

300 IR (2M)

Intervention Type DRUG

300 IR grass pollen allergen extract tablet starting 2 months before the pollen season

Placebo

Placebo tablet

Group Type PLACEBO_COMPARATOR

Placebo

Intervention Type DRUG

Placebo tablet

Interventions

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300 IR (4M)

300 IR grass pollen allergen extract tablet starting 4 months before the pollen season

Intervention Type DRUG

300 IR (2M)

300 IR grass pollen allergen extract tablet starting 2 months before the pollen season

Intervention Type DRUG

Placebo

Placebo tablet

Intervention Type DRUG

Other Intervention Names

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Sublingual immunotherapy tablet Sublingual immunotherapy tablet Sublingual placebo tablet

Eligibility Criteria

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Inclusion Criteria

* Male or female outpatients aged 18 to 50 years
* Grass pollen-related allergic rhinoconjunctivitis for at least the last two pollen seasons
* Positive SPT and specific IgE values of at least Class 2 for grass pollen allergens
* A score of greater than or equal to 12 out of a possible 18 on the Retrospective Rhinoconjunctivitis Total Symptom Score (RRTSS)

Exclusion Criteria

* Patients with symptoms of rhinoconjunctivitis during the grass pollen season due to sensitisation to allergens other than grass pollen must not be included. Patients must be asymptomatic to all other allergens during the grass pollen season. Patients who have allergic rhinitis due to perennial allergen may not be included.
* Asthma requiring treatment other than beta-2 inhaled agonists.
* Patients who have received any desensitisation treatment for grass pollen or with any other allergen within the previous 5 years.
Minimum Eligible Age

18 Years

Maximum Eligible Age

50 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, MD, Pr

Role: PRINCIPAL_INVESTIGATOR

Hôpital Rangueil-Larrey, Toulouse, France

Locations

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DIDIER

Toulouse, , France

Site Status

Countries

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France

References

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Didier A, Worm M, Horak F, Sussman G, de Beaumont O, Le Gall M, Melac M, Malling HJ. Sustained 3-year efficacy of pre- and coseasonal 5-grass-pollen sublingual immunotherapy tablets in patients with grass pollen-induced rhinoconjunctivitis. J Allergy Clin Immunol. 2011 Sep;128(3):559-66. doi: 10.1016/j.jaci.2011.06.022. Epub 2011 Jul 29.

Reference Type RESULT
PMID: 21802126 (View on PubMed)

Didier A, Malling HJ, Worm M, Horak F, Sussman G, Melac M, Soulie S, Zeldin RK. Post-treatment efficacy of discontinuous treatment with 300IR 5-grass pollen sublingual tablet in adults with grass pollen-induced allergic rhinoconjunctivitis. Clin Exp Allergy. 2013 May;43(5):568-77. doi: 10.1111/cea.12100.

Reference Type RESULT
PMID: 23600548 (View on PubMed)

Didier A, Malling HJ, Worm M, Horak F, Sussman GL. Prolonged efficacy of the 300IR 5-grass pollen tablet up to 2 years after treatment cessation, as measured by a recommended daily combined score. Clin Transl Allergy. 2015 May 22;5:12. doi: 10.1186/s13601-015-0057-8. eCollection 2015.

Reference Type DERIVED
PMID: 26097680 (View on PubMed)

Other Identifiers

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VO53.06

Identifier Type: -

Identifier Source: org_study_id

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