AllergyNCT04828603
Understanding Allergies and Sensitizations in Healthy and Allergic Individuals
An observational study of Allergy, run by Stanford University at 1 site in United States.
Trial summary
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 Read more about this study
- Who is it for?
- Ages 1 week to 90 yearsHealthy volunteers can take part
- Conditions the study is for
- Allergy
- How many people
- 2,500 participants
- Where
- 1 siteUnited States
- Study dates
- Oct 2007to Dec 2028
- Phase
- Observational
- Are there results?
- Not yet: the study is under way
Key requirements
Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.
- Ages 1 week to 90 years
- All sexes
- Healthy volunteers accepted
- Child, Adult, Older adult
Study population: Patients ages 1 week through 90 years who have or are suspected of having allergic sensitivities will be invited to participate
Who may be able to join
- Any individual with possible allergy
Who cannot join
- Patients with special risks attendant to venipuncture will be excluded
Trial locations and contacts
1 site in 1 country. Contact the study team or a site near you to ask about taking part.
United States1 site, 1 recruiting
- Recruiting
Sean N. Parker Center for Allergy and Asthma Research, Stanford University
Palo Alto, California, 94304
SNP Center Inquiry, 650-521-7237, snpcenterallergy_inquiry@stanford.edu
About this study
Official title: 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
- Conditions
- Allergy
- Medical subject headings
- Hypersensitivity
What is being measured
The primary outcome is the main question the study is designed to answer.
Skin testing to evaluate food allergen responses
Standardized skin testing performed to detect sensitivity to allergens of interest
Measured: 1 year
Timeline
From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.
- First posted2 Apr 2021
- Study startOct 2007
- Primary completionDec 2028 (estimated)
- Study completionDec 2028 (estimated)
Resources
- Official record on ClinicalTrials.govThe registry entry this page is built from, with its full change history.
- Other trials for AllergyStudies of the same condition, open and under way.
- More trials run by Stanford UniversityThe sponsor's other registered studies.
- What the trial phases meanHow a treatment moves from first tests in people to approval.
More details
For doctors and researchers: how the study is designed, who runs it, and its registry IDs.
Study design
- Study type
- Observational
- Observational model
- Other
- Time perspective
- Prospective
- Enrolment
- 2,500 participants (estimated)
Sponsor and investigators
- Lead sponsor
- Stanford University
- Sponsor type
- University, hospital or other
- Collaborators
- National Institutes of Health (NIH), Crown Fundation, Sunshine Foundation, National Institute of Allergy and Infectious Diseases (NIAID), National Human Genome Research Institute (NHGRI), Harvard School of Public Health (HSPH)
- Responsible party
- Principal investigator, R. Sharon Chinthrajah, Stanford University
- Investigators
- R. Sharon Chinthrajah, MD, Principal investigator, Stanford University
IDs, dates and publications
- ClinicalTrials.gov ID
- NCT04828603
- Sponsor's protocol ID
- 8629
- Other IDs
- 1R01AI165866-01, 1DP2HG012480-01
- Status last verified
- Mar 2026
- First submitted
- 30 Mar 2021
- Last updated
- 17 Mar 2026
- Results posted
- No
- Data monitoring committee
- No
- FDA-regulated drug
- No
- FDA-regulated device
- No
- Individual data sharing
- No
Study at a glance
From the registry record, last updated by the sponsor on 17 Mar 2026. Recruitment status is as the sponsor reported it: confirm with the study team.
- Official title
- Understanding Allergies
- ClinicalTrials.gov ID
- NCT04828603
- Acronym / sponsor ID
- 8629
- Conditions
- Allergy
- Study type
- Observational
- Recruitment status
- Recruiting
- Enrolment
- 2,500 participants (estimated)
- Lead sponsor
- Stanford UniversityUniversity, hospital or other
- Collaborators
- National Institutes of Health (NIH), Crown Fundation, Sunshine Foundation, National Institute of Allergy and Infectious Diseases (NIAID), National Human Genome Research Institute (NHGRI), Harvard School of Public Health (HSPH)
- Study start
- Oct 2007 (actual)
- Primary completion
- Dec 2028 (estimated)
- Study completion
- Dec 2028 (estimated)
- First posted
- 2 Apr 2021 (actual)
- Results
- Not posted in the source record
Clinical summary
The research question as the sponsor registered it. This describes what the study plans to test, not what it found.
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 design
- Observational model
- Other
- Time perspective
- Prospective
Who may qualify
- Ages
- 1 week to 90 years
- Sex
- All
- Healthy volunteers
- Accepted
- Age groups
- Child, Adult, Older adult
- Study population
- Patients ages 1 week through 90 years who have or are suspected of having allergic sensitivities will be invited to participate
Key inclusion criteria (1 listed)
- Any individual with possible allergy
Key exclusion criteria (1 listed)
- Patients with special risks attendant to venipuncture will be excluded
Eligibility is decided by the study team after screening; this overview does not establish that a patient qualifies. Full inclusion and exclusion criteria.
Primary outcome
Skin testing to evaluate food allergen responses
Time frame: 1 year
Standardized skin testing performed to detect sensitivity to allergens of interest
Results and safety
This study is still under way. Results are not available in the source record yet.
Research links
- Official record on ClinicalTrials.govLast updated by the sponsor 17 Mar 2026.
- Individual participant dataSharing planned: No
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Referral and contact
AzTrials does not enrol participants or take referrals. Contact the study team or a site listed below; they decide who can take part.
R. Sharon Chinthrajah, MD principal investigator
Stanford University
1 site in 1 country: see every site and its status.
Questions about this trial
What is this clinical trial studying?
An observational study of Allergy, run by Stanford University at 1 site in United States.
The full registered description is in the About this study section and the official record.
Who may be eligible to take part?
The sponsor lists 1 inclusion and 1 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.
Is this clinical trial currently recruiting?
The record says: looking for participants now, as of the sponsor's last update on 17 Mar 2026. Status can change between updates, so confirm with the study contact before making plans.
Where is the study taking place?
The record lists 1 site in United States. Whether a site is taking part right now should be confirmed with that site. See every site.
What are the possible benefits and risks?
They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.
Are results available for this study?
This study is still under way. Results are not available in the source record yet.
How can a doctor refer a patient or contact the research team?
Contact SNP Center Inquiry ((650) 521-7237, snpcenterallergy_inquiry@stanford.edu), or a site near the patient. AzTrials does not enrol participants or take referrals.
What does the primary outcome measure?
Skin testing to evaluate food allergen responses (time frame: 1 year). It is what the study was designed to measure, not a finding.
Where can I read the original study information?
Does a listing mean the treatment is approved or proven to work?
No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.
How often is this information updated?
AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 17 Mar 2026.