Efficacy & Safety of STG320 Sublingual Tablets of HDM Allergen Extracts in Adults and Adolescents With HDM-associated AR

NCT ID: NCT02443805

Last Updated: 2019-10-14

Study Results

Results available

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Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

PHASE3

Total Enrollment

1607 participants

Study Classification

INTERVENTIONAL

Study Start Date

2015-09-29

Study Completion Date

2018-06-25

Brief Summary

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The objective of this study was to assess the efficacy and safety of 12 months of treatment with 300 IR of STG320 sublingual tablets compared with placebo in adults and adolescents with HDM-associated allergic rhinitis.

Detailed Description

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This study was a randomized, double-blind, placebo-controlled, phase III study with 2 parallel arms in adults and adolescents with HDM-associated allergic rhinitis (AR) for at least one year.

The primary objective was to assess the efficacy of STG320 sublingual tablets at a daily dosage of 300 IR when administered for 12 months to adults and adolescents with HDM-associated AR. The primary efficacy variable was the average Total Combined Score.

Conditions

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Rhinitis, Allergic, Perennial House Dust Mite 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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300 IR

300 IR tablet of HDM Allergen Extracts

Group Type ACTIVE_COMPARATOR

300 IR

Intervention Type BIOLOGICAL

300 IR tablet of HDM Allergen Extracts

Placebo

Placebo tablet

Group Type PLACEBO_COMPARATOR

Placebo

Intervention Type BIOLOGICAL

Placebo tablet

Interventions

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300 IR

300 IR tablet of HDM Allergen Extracts

Intervention Type BIOLOGICAL

Placebo

Placebo tablet

Intervention Type BIOLOGICAL

Eligibility Criteria

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Inclusion Criteria

* Patients with HDM-associated allergic rhinitis (AR) for at least 1 year
* Patients sensitized to D. pteronyssinus (D. pte) and/or D. farinae (D. far) defined on skin prick test and HDM-specific serum IgE

Exclusion Criteria

* A history of rhinitis, rhinoconjunctivitis or asthma to allergens other than HDM, likely to result in rhinitis symptoms during the evaluation periods
* Partly controlled or uncontrolled asthma
* Controlled asthma requiring controller treatment(s) consistent with GINA 2014 treatment Steps 3 to 5
Minimum Eligible Age

12 Years

Maximum Eligible Age

65 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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Pascal Demoly, MD

Role: PRINCIPAL_INVESTIGATOR

CHU Arnaud de Villeneuve, Montpellier, France

Tom Casale, MD

Role: PRINCIPAL_INVESTIGATOR

University of South of Florida, Tampa, USA

Locations

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University of South of Florida

Tampa, Florida, United States

Site Status

CHU Arnaud de Villeneuve

Montpellier, , France

Site Status

Countries

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United States France

References

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Worm M, Demoly P, Okamoto Y, Vidal C, Daghildjian K, Yan K, Casale TB, Bergmann KC. Safety of 300IR house dust mite sublingual tablet from pooled clinical trial and post-marketing data. World Allergy Organ J. 2024 Jun 25;17(7):100924. doi: 10.1016/j.waojou.2024.100924. eCollection 2024 Jul.

Reference Type DERIVED
PMID: 39035788 (View on PubMed)

Pfaar O, De Blay F, Canonica GW, Casale TB, Gevaert P, Hellings PW, Kowal K, Passalacqua G, Tortajada-Girbes M, Vidal C, Worm M, Bahbah F, Demoly P. Clinical benefits with 300 IR HDM SLIT tablet in Europeans with house dust mite allergic rhinitis: Post hoc analysis of a large phase 3 trial. World Allergy Organ J. 2023 Dec 22;17(1):100849. doi: 10.1016/j.waojou.2023.100849. eCollection 2024 Jan.

Reference Type DERIVED
PMID: 38225952 (View on PubMed)

Provided Documents

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Document Type: Study Protocol

View Document

Document Type: Statistical Analysis Plan

View Document

Other Identifiers

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SL75.14

Identifier Type: -

Identifier Source: org_study_id

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