Bronchoalveolar Immune Response Determination (BIRD)

January 17, 2018 updated by: A.W.J.Bossink, Bossink, A.W.J.

Study to Determine the Immune Response From Broncho-alveolar Cells Against Pigeon Specific Antigens

The purpose of this study is to establish if cells present in lung tissue during extrinsic allergic alveolitis (EAA) are able to elicit an immune response against specific antigens. The hypothesis is: cells in BAL lavage fluid from patients with EAA will be responsive to specific antigens and this response can be measured using ELISPOT.

Study Overview

Status

Completed

Detailed Description

Subjects suffering from extrinsic allergic alveolitis caused by pigeons will undergo a broncho alveolar lavage. Cells obtained from this BAL will be used for ELISPOT technique with pigeon specific antigens

Study Type

Observational

Enrollment (Actual)

10

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Locations

      • Utrecht, Netherlands, 3582 KE
        • Diakonessenhuis Utrecht

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Ages Eligible for Study

18 years and older (Adult, Older Adult)

Accepts Healthy Volunteers

No

Genders Eligible for Study

All

Sampling Method

Non-Probability Sample

Study Population

Patients suspected to have pigeon induced extrinsic allergic alveolitis will be recruited by advertisment in bird fanciers journals. Controls will be patients at the department of pulmonology and tuberculosis needing examination for other reasons

Description

Inclusion Criteria:

  • suspicion of pigeon induced extrinsic alveolitis

Exclusion Criteria:

  • use of oral steroids
  • unable to give informed consent
  • age below 18

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

Cohorts and Interventions

Group / Cohort
non-EAA, pigeon
subject with BAL because of diseases not suspected to be EAA
EAA, pigeon
Bird fanciers with a typical clinical presentation suspected for pigeon induced EAA

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Measure Description
Time Frame
ELISPOT response in cells obtained from broncho-alveolar lavage
Time Frame: 2 days
All elispots will be performed the same day, the end point will be available the next day
2 days

Secondary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Elispot response in cells from blood
Time Frame: 2 days
ELispots will be performed the same day as blood collection, results will be available the next day
2 days

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Sponsor

Investigators

  • Principal Investigator: Aik Bossink, MD PhD, Diakonessenhuis, Utrecht

Publications and helpful links

The person responsible for entering information about the study voluntarily provides these publications. These may be about anything related to the study.

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start

September 1, 2011

Primary Completion (Actual)

September 1, 2012

Study Completion (Actual)

December 1, 2012

Study Registration Dates

First Submitted

November 7, 2010

First Submitted That Met QC Criteria

November 8, 2010

First Posted (Estimate)

November 9, 2010

Study Record Updates

Last Update Posted (Actual)

January 19, 2018

Last Update Submitted That Met QC Criteria

January 17, 2018

Last Verified

January 1, 2018

More Information

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

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