Microassay and Allergy Skin Prick Test Correlation Study

NCT ID: NCT03514303

Last Updated: 2018-10-17

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

UNKNOWN

Total Enrollment

100 participants

Study Classification

OBSERVATIONAL

Study Start Date

2018-04-01

Study Completion Date

2019-06-30

Brief Summary

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The purpose of this study is to evaluate the potential correlation of the results of allergen-specific skin prick tests (SPT) to that of allergen-specific microarray determination (microassay test). Subjects who meet enrollment criteria, after signing an IRB approved consent form, will perform a minor finger prick blood draw and blot to be mailed off for microassay analysis. Specific statistical analysis will be done to assess all potential correlations between SPT and microassay. This study design should enable assessment of the level of correlation between SPT results and microassay results for specified allergens within a cohort of subjects with allergic rhinitis.

Detailed Description

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Prospective subjects for study entry will initially be screened by the results of their allergy skin test that were acquired within the past two years. In order to be a prospective subject positive SPT results of five of the following ten allergens will be required: Dust Mite, Ragweed, Cat Dander, Johnson Grass, Bermuda Grass, Timothy Grass, Oak, Cladosporium, Dog Dander, and Cockroach. After signing an IRB approved consent form, these patients will undergo a finger prick blood draw and blot. This study will be conducted in compliance with the protocol, GCP and applicable regulatory requirements.

Subjects 18 years of age or over who have never initiated a course of allergy immunotherapy or have not completed more than three months of SCIT immunotherapy will be enrolled.

Sub-investigator(s) will screen patient charts from a database of patients previously tested using the UAS protocol. Patients that qualify based on inclusion criteria will be contacted by phone and asked if they would be willing to participate in this study.

Subject arrives to the clinic and all inclusion and exclusion criteria are verified by their primary physician and the sub-investigator. Sub-investigator insures that the IRB verified consent form is signed and that the patient has no questions. Subject or sub-investigator will perform the finger prick and blot using the instructions listed on the Allergenex sample collection packet. The sample will be mailed to Spiriplex to be analyzed using their microarray device. The microassay results will be sent to the primary investigation site for correlation analysis with the previously logged SPT results. These results will be blinded to the statisticians and researchers that will be determining potential correlation between SPT and microassay results.

Conditions

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Allergy Pollen

Study Design

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Observational Model Type

COHORT

Study Time Perspective

PROSPECTIVE

Study Groups

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Ragweed

Subjects will test positive or negative to the allergen Ragweed.

Spiriplex Allergenex Microassay

Intervention Type DIAGNOSTIC_TEST

A microassay test using a minimal blood draw for purposes of testing the allergenicity of a subject to specific allergenic proteins.

Timothy Grass

Subjects will test positive or negative to the allergen Timothy Grass.

Spiriplex Allergenex Microassay

Intervention Type DIAGNOSTIC_TEST

A microassay test using a minimal blood draw for purposes of testing the allergenicity of a subject to specific allergenic proteins.

Johnson Grass

Subjects will test positive or negative to the allergen Johnson Grass.

Spiriplex Allergenex Microassay

Intervention Type DIAGNOSTIC_TEST

A microassay test using a minimal blood draw for purposes of testing the allergenicity of a subject to specific allergenic proteins.

Bermuda Grass

Subjects will test positive or negative to the allergen Bermuda Grass.

Spiriplex Allergenex Microassay

Intervention Type DIAGNOSTIC_TEST

A microassay test using a minimal blood draw for purposes of testing the allergenicity of a subject to specific allergenic proteins.

Cladosporium

Subjects will test positive or negative to the allergen Cladosporium.

Spiriplex Allergenex Microassay

Intervention Type DIAGNOSTIC_TEST

A microassay test using a minimal blood draw for purposes of testing the allergenicity of a subject to specific allergenic proteins.

Cat Dander

Subjects will test positive or negative to the allergen Cat Dander.

Spiriplex Allergenex Microassay

Intervention Type DIAGNOSTIC_TEST

A microassay test using a minimal blood draw for purposes of testing the allergenicity of a subject to specific allergenic proteins.

Cockroach

Subjects will test positive or negative to the allergen Cockroach.

Spiriplex Allergenex Microassay

Intervention Type DIAGNOSTIC_TEST

A microassay test using a minimal blood draw for purposes of testing the allergenicity of a subject to specific allergenic proteins.

Dust Mite

Subjects will test positive or negative to the allergen Dust Mite.

Spiriplex Allergenex Microassay

Intervention Type DIAGNOSTIC_TEST

A microassay test using a minimal blood draw for purposes of testing the allergenicity of a subject to specific allergenic proteins.

Oak

Subjects will test positive or negative to the allergen Oak.

Spiriplex Allergenex Microassay

Intervention Type DIAGNOSTIC_TEST

A microassay test using a minimal blood draw for purposes of testing the allergenicity of a subject to specific allergenic proteins.

Dog Dander

Subjects will test positive or negative to the allergen Dog Dander.

Spiriplex Allergenex Microassay

Intervention Type DIAGNOSTIC_TEST

A microassay test using a minimal blood draw for purposes of testing the allergenicity of a subject to specific allergenic proteins.

Interventions

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Spiriplex Allergenex Microassay

A microassay test using a minimal blood draw for purposes of testing the allergenicity of a subject to specific allergenic proteins.

Intervention Type DIAGNOSTIC_TEST

Eligibility Criteria

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Inclusion Criteria

* Subjects 18 years of age or over who have never initiated a course of allergy immunotherapy or have not completed more than three months of subcutaneous immunotherapy will be enrolled.

Exclusion Criteria

* Subjects with bleeding disorders or a history of vasovagal reactions to blood draws will not be enrolled in this study.
Minimum Eligible Age

18 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

Yes

Sponsors

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United Allergy Services

INDUSTRY

Sponsor Role lead

Responsible Party

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Responsibility Role SPONSOR

Locations

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United Allergy Services

San Antonio, Texas, United States

Site Status RECRUITING

Countries

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United States

Central Contacts

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William W Wagoner, BS

Role: CONTACT

210-679-3926

Facility Contacts

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William W Wagoner, BS

Role: primary

210-679-3926

Other Identifiers

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Microassay study-1

Identifier Type: -

Identifier Source: org_study_id

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