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OpenTrials
Completed

NCT Number: NCT01613885

Understanding and Diagnosing Allergic Disease in Twins

The purpose of this study is to gain better understanding of how the immune system works in twins with and without allergic disease. Healthy volunteers are not specifically targeted. Healthy non-allergic study participants may be found through the course of evaluation for the presence of allergies.

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Key information

Conditions

Allergies Hypersensitivity Immune System Diseases

Age range

0 year–80 year

Sex eligibility

All sexes

Study type

Observational

Primary location

Sean N Parker Center for Allergy and Asthma Research at Stanford, Stanford, California, United States

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About this study

The purpose of this study is to study the genetic control and gain better understanding of how the immune system works in twins with and without allergic disease. Although healthy volunteers are not specifically targeted, they might be identified when non-allergic study participants are found through the course of evaluation for the presence of allergies.

Who can participate

Healthy volunteers accepted: Yes

Only the study team can determine whether someone qualifies for participation.

Inclusion criteria

  • Twin participants ages 0 to 80 years who are with or without allergy disease.

Exclusion criteria

  • Patients with special risks attendant to venipuncture will be excluded.

Treatment and study plan

No intervention

Other

This study does not involve any intervention other than obtaining blood, nasal/cheek/throat/skin swabs, saliva, sputum, urine, and stool samples, breathing and skin tests.

Primary outcomes

  1. Comparing immune systems of food allergic twins

    Time frame: 2 years

    Differences in genetic and phenotypic characteristics between twin siblings

Sponsors and collaborators

Lead sponsor

Stanford University

Other

Registry information

Important dates

Study start
2010
Primary completion
2019
Study completion
2019
First posted
Jun 7, 2012
Registry last updated
Mar 17, 2021

OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.

View the official ClinicalTrials.gov record (opens in a new tab)

This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.

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