Understanding Allergies and Sensitizations in Healthy and Allergic Individuals

March 16, 2026 updated by: R. Sharon Chinthrajah, Stanford University

Understanding Allergies

The purpose of this study is to strengthen our ability to accurately diagnose allergies and understand cellular, humoral, genetic components and physiological changes in allergic disease

Study Overview

Status

Recruiting

Conditions

Study Type

Observational

Enrollment (Estimated)

2500

Contacts and Locations

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

Study Contact

Study Locations

    • California
      • Palo Alto, California, United States, 94304
        • Recruiting
        • Sean N. Parker Center for Allergy and Asthma Research, Stanford University
        • Contact:

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

1 week to 90 years (Child, Adult, Older Adult)

Accepts Healthy Volunteers

Yes

Sampling Method

Non-Probability Sample

Study Population

Patients ages 1 week through 90 years who have or are suspected of having allergic sensitivities will be invited to participate

Description

Inclusion Criteria:

  • Any individual with possible allergy

Exclusion Criteria:

  • Patients with special risks attendant to venipuncture will be excluded

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

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Skin testing to evaluate food allergen responses
Time Frame: 1 year
Standardized skin testing performed to detect sensitivity to allergens of interest
1 year

Collaborators and Investigators

This is where you will find people and organizations involved with this 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 (Actual)

October 1, 2007

Primary Completion (Estimated)

December 1, 2028

Study Completion (Estimated)

December 1, 2028

Study Registration Dates

First Submitted

March 30, 2021

First Submitted That Met QC Criteria

March 30, 2021

First Posted (Actual)

April 2, 2021

Study Record Updates

Last Update Posted (Actual)

March 17, 2026

Last Update Submitted That Met QC Criteria

March 16, 2026

Last Verified

March 1, 2026

More Information

Terms related to this study

Additional Relevant MeSH Terms

Other Study ID Numbers

  • 8629
  • 1R01AI165866-01 (U.S. NIH Grant/Contract)
  • 1DP2HG012480-01 (U.S. NIH Grant/Contract)

Plan for Individual participant data (IPD)

Plan to Share Individual Participant Data (IPD)?

NO

Drug and device information, study documents

Studies a U.S. FDA-regulated drug product

No

Studies a U.S. FDA-regulated device product

No

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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