Safety Study of Sublingual Immunotherapy Tablets of House Dust Mite Allergen Extracts in Adolescents

NCT ID: NCT01919554

Last Updated: 2025-01-17

Study Results

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Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

PHASE1

Total Enrollment

37 participants

Study Classification

INTERVENTIONAL

Study Start Date

2013-07-31

Study Completion Date

2013-09-30

Brief Summary

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The purpose of this study is to investigate the safety and tolerability of different doses of sublingual tablets of house dust mite (HDM) allergen extracts in adolescents with house dust mite-associated allergic rhinitis.

Detailed Description

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Conditions

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Allergic Rhinitis Due to House Dust Mite

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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500 IR

500 IR house dust mites allergen extract tablet

Group Type EXPERIMENTAL

500 IR house dust mites allergen extract tablet

Intervention Type BIOLOGICAL

One sublingual tablet daily during 10 days

1000 IR

1000 IR house dust mites allergen extract tablet

Group Type EXPERIMENTAL

1000 IR house dust mites allergen extract tablet

Intervention Type BIOLOGICAL

Two sublingual tablets daily during 10 days

1500 IR

1500 IR house dust mites allergen extract tablet

Group Type EXPERIMENTAL

1500 IR house dust mites allergen extract tablet

Intervention Type BIOLOGICAL

Three sublingual tablets daily during 10 days

Placebo

Placebo tablet

Group Type PLACEBO_COMPARATOR

Placebo tablet

Intervention Type BIOLOGICAL

One, two or three sublingual placebo tablets daily during 10 days matching with the sublingual immunotherapy tablets

Interventions

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500 IR house dust mites allergen extract tablet

One sublingual tablet daily during 10 days

Intervention Type BIOLOGICAL

1000 IR house dust mites allergen extract tablet

Two sublingual tablets daily during 10 days

Intervention Type BIOLOGICAL

1500 IR house dust mites allergen extract tablet

Three sublingual tablets daily during 10 days

Intervention Type BIOLOGICAL

Placebo tablet

One, two or three sublingual placebo tablets daily during 10 days matching with the sublingual immunotherapy tablets

Intervention Type BIOLOGICAL

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 informed consent from patient and parent(s)/legal representative.
* Male or female patient from 12 to 17 years.
* Diagnosed rhinitis with medical history consistent with HDM-induced allergic rhinitis for at least 1 year before visit 1
* Positive Skin Prick Test to House Dust Mites(HDM)and HDM-specific IgE serum value ≥ 0.7 kUnit/L.
* Concommittant controlled asthma allowed up to GINA 1 or 2 treatment step
* Spirometry with best FEV1 \> 80% of predicted FEV1.

Exclusion Criteria

* Patient with a nasal or oral disease that could interfere with the safety assessments
* Patient has undergone recent nasal surgery
* Patient with asthma receiving therapy consistent with GINA (Global INitiative for Asthama) treatment step 3, 4, or 5.
* Patient with partially controlled or uncontrolled asthma
* Patient with a past or current disease, which as judged by the Investigator, may affect the patient's participation in or the outcome of this study.
* Female patient pregnant or breast-feeding/lactating.
* Female patient of childbearing potential planning a pregnancy during this trial or not using a medically accepted contraceptive method.
* Patient treated with beta-blockers, tricyclic antidepressants or monoamine oxidase inhibitors (MAOIs).
* Patient who received allergy specific immunotherapy for house dust mites for more than 1 month in the 5 years before screening or who is currently receiving immunotherapy with any allergen.
* patient with a history of anaphylaxis
* patient having participated in any clinical study within the 12 weeks before visit 1
Minimum Eligible Age

12 Years

Maximum Eligible Age

17 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

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Syneos Health

OTHER

Sponsor Role collaborator

Stallergenes Greer

INDUSTRY

Sponsor Role lead

Responsible Party

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Responsibility Role SPONSOR

Principal Investigators

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Piyush Patel, MD

Role: PRINCIPAL_INVESTIGATOR

Inflamax Research Incorporated

Locations

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Inflamax Research Inc.

Mississauga, Ontario, Canada

Site Status

Countries

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Canada

Other Identifiers

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VO73.13

Identifier Type: -

Identifier Source: org_study_id

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