Michigan Food and Atopic Dermatitis (M-FAD) Program - Molecular Analytics Project
NCT ID: NCT06300697
Last Updated: 2025-11-25
Study Results
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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RECRUITING
NA
200 participants
INTERVENTIONAL
2024-02-15
2027-03-31
Brief Summary
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This is a mechanistic study consisting of obtaining blood and skin samples from participants at baseline. Individuals may also undergo a clinically indicated oral food challenge and have blood and skin samples collected at various times during the oral food challenge. This study will create a molecular map of the pathology of atopic dermatitis and food allergy. This information will be deployed to evaluate the hypothesis that atopic dermatitis and food allergy share unique genetic transcriptional signals in which the study team can then further analyze pathological pathways and cell types.
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Detailed Description
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Conditions
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Study Design
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NON_RANDOMIZED
PARALLEL
BASIC_SCIENCE
NONE
Study Groups
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Control group Adult
Participation will be approximately 14 days after enrollment.
Data and biospecimen collection
Enrolled participants will have health-related information and blood specimens collected.
Skin biopsies
Participants will be asked to provide one or two skin biopsies (days 1 and 2) from the forearm, unless the participant is a healthy child (no food allergy and no atopic dermatitis), in which case there will be no skin biopsy.
Oral Food Challenge (OFC) procedures
Participants will have the choice of consenting to an OFC (approximately 2-4 hours) to peanut, tree nut, egg, milk, or sesame. If there is no allergy history, the study team will conduct an oral food challenge to one of the choices. The OFC will occur in the clinical research area. and done the same as a clinical care OFC. A transepidermal water loss monitor will be applied to participant's arm with a sticky pad and will stay on the arm for the challenge. Food doses will be given in small amounts that increase in size up to a defined single serving of the food based upon the participants age/size. The OFC will proceed until a full dose is consumed without symptoms, or until anaphylaxis occurs. Depending upon the participant's reaction to the oral food challenge, the participant may be requested to return the next day for a research visit that would take less than an hour. The 24-hour post oral food challenge visit will include an interview to assess condition and a blood sample.
Food allergy-only group
Participation will be approximately 14 days after enrollment.
Data and biospecimen collection
Enrolled participants will have health-related information and blood specimens collected.
Skin biopsies
Participants will be asked to provide one or two skin biopsies (days 1 and 2) from the forearm, unless the participant is a healthy child (no food allergy and no atopic dermatitis), in which case there will be no skin biopsy.
Oral Food Challenge (OFC) procedures
Participants will have the choice of consenting to an OFC (approximately 2-4 hours) to peanut, tree nut, egg, milk, or sesame. If there is no allergy history, the study team will conduct an oral food challenge to one of the choices. The OFC will occur in the clinical research area. and done the same as a clinical care OFC. A transepidermal water loss monitor will be applied to participant's arm with a sticky pad and will stay on the arm for the challenge. Food doses will be given in small amounts that increase in size up to a defined single serving of the food based upon the participants age/size. The OFC will proceed until a full dose is consumed without symptoms, or until anaphylaxis occurs. Depending upon the participant's reaction to the oral food challenge, the participant may be requested to return the next day for a research visit that would take less than an hour. The 24-hour post oral food challenge visit will include an interview to assess condition and a blood sample.
Food allergy plus atopic dermatitis group
Participation will be approximately 14 days after enrollment.
Data and biospecimen collection
Enrolled participants will have health-related information and blood specimens collected.
Skin biopsies
Participants will be asked to provide one or two skin biopsies (days 1 and 2) from the forearm, unless the participant is a healthy child (no food allergy and no atopic dermatitis), in which case there will be no skin biopsy.
Oral Food Challenge (OFC) procedures
Participants will have the choice of consenting to an OFC (approximately 2-4 hours) to peanut, tree nut, egg, milk, or sesame. If there is no allergy history, the study team will conduct an oral food challenge to one of the choices. The OFC will occur in the clinical research area. and done the same as a clinical care OFC. A transepidermal water loss monitor will be applied to participant's arm with a sticky pad and will stay on the arm for the challenge. Food doses will be given in small amounts that increase in size up to a defined single serving of the food based upon the participants age/size. The OFC will proceed until a full dose is consumed without symptoms, or until anaphylaxis occurs. Depending upon the participant's reaction to the oral food challenge, the participant may be requested to return the next day for a research visit that would take less than an hour. The 24-hour post oral food challenge visit will include an interview to assess condition and a blood sample.
Atopic dermatitis without food allergy group
Participation will be approximately 14 days after enrollment.
Data and biospecimen collection
Enrolled participants will have health-related information and blood specimens collected.
Skin biopsies
Participants will be asked to provide one or two skin biopsies (days 1 and 2) from the forearm, unless the participant is a healthy child (no food allergy and no atopic dermatitis), in which case there will be no skin biopsy.
Oral Food Challenge (OFC) procedures
Participants will have the choice of consenting to an OFC (approximately 2-4 hours) to peanut, tree nut, egg, milk, or sesame. If there is no allergy history, the study team will conduct an oral food challenge to one of the choices. The OFC will occur in the clinical research area. and done the same as a clinical care OFC. A transepidermal water loss monitor will be applied to participant's arm with a sticky pad and will stay on the arm for the challenge. Food doses will be given in small amounts that increase in size up to a defined single serving of the food based upon the participants age/size. The OFC will proceed until a full dose is consumed without symptoms, or until anaphylaxis occurs. Depending upon the participant's reaction to the oral food challenge, the participant may be requested to return the next day for a research visit that would take less than an hour. The 24-hour post oral food challenge visit will include an interview to assess condition and a blood sample.
Control Group less than 18 years old
Participation will be approximately 14 days after enrollment.
Data and biospecimen collection
Enrolled participants will have health-related information and blood specimens collected.
Oral Food Challenge (OFC) procedures
Participants will have the choice of consenting to an OFC (approximately 2-4 hours) to peanut, tree nut, egg, milk, or sesame. If there is no allergy history, the study team will conduct an oral food challenge to one of the choices. The OFC will occur in the clinical research area. and done the same as a clinical care OFC. A transepidermal water loss monitor will be applied to participant's arm with a sticky pad and will stay on the arm for the challenge. Food doses will be given in small amounts that increase in size up to a defined single serving of the food based upon the participants age/size. The OFC will proceed until a full dose is consumed without symptoms, or until anaphylaxis occurs. Depending upon the participant's reaction to the oral food challenge, the participant may be requested to return the next day for a research visit that would take less than an hour. The 24-hour post oral food challenge visit will include an interview to assess condition and a blood sample.
Interventions
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Data and biospecimen collection
Enrolled participants will have health-related information and blood specimens collected.
Skin biopsies
Participants will be asked to provide one or two skin biopsies (days 1 and 2) from the forearm, unless the participant is a healthy child (no food allergy and no atopic dermatitis), in which case there will be no skin biopsy.
Oral Food Challenge (OFC) procedures
Participants will have the choice of consenting to an OFC (approximately 2-4 hours) to peanut, tree nut, egg, milk, or sesame. If there is no allergy history, the study team will conduct an oral food challenge to one of the choices. The OFC will occur in the clinical research area. and done the same as a clinical care OFC. A transepidermal water loss monitor will be applied to participant's arm with a sticky pad and will stay on the arm for the challenge. Food doses will be given in small amounts that increase in size up to a defined single serving of the food based upon the participants age/size. The OFC will proceed until a full dose is consumed without symptoms, or until anaphylaxis occurs. Depending upon the participant's reaction to the oral food challenge, the participant may be requested to return the next day for a research visit that would take less than an hour. The 24-hour post oral food challenge visit will include an interview to assess condition and a blood sample.
Eligibility Criteria
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Inclusion Criteria
* Have had skin and blood food allergy testing to the food allergen in question within the past 6 months. Meet the 80% likelihood positive predictive value threshold for allergy based on at least 1 of either the skin or blood immunoglobulin E (IgE) tests per current literature corrected for age. See protocol for more details.
* No history of atopic dermatitis
* Have a present diagnosis of atopic dermatitis by an allergist and/or dermatologist.
* Have no history of food allergy, past or present.
\- No history of food allergy or atopic dermatitis, past or present.
* Any recent change (within 6 months) of starting or stopping a biologic medication, such as dupilumab, tezepelumab, or others that might interfere with atopic dermatitis or food allergy.
* Any past or present history of oral immunotherapy (OIT) for any food allergen.
* Pregnancy - females of childbearing age will be asked and self-report pregnancy status.
Exclusion Criteria
* Any active cardiovascular disease, cancer, pulmonary disease except well-controlled asthma, or other condition that would preclude an OFC otherwise. Mild conditions that would not preclude an OFC are allowed (i.e., controlled hypertension or a surgically removed skin cancer that is resolved would not be exclusionary for this study, for example).
* Any medication use that cannot be stopped temporarily for the OFC that would interfere with the OFC result. Medications in this category include antihistamines (first or second generation) within 1 week.
10 Years
55 Years
ALL
Yes
Sponsors
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University of Michigan
OTHER
Responsible Party
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Charles (Chase) Schuler
Assistant Professor of Internal Medicine and Assistant Professor of Mary H Weiser Food Allergy
Principal Investigators
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Chase Schuler, MD
Role: PRINCIPAL_INVESTIGATOR
University of Michigan
Locations
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University of Michigan
Ann Arbor, Michigan, United States
Countries
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Central Contacts
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Facility Contacts
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Other Identifiers
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HUM00235532
Identifier Type: -
Identifier Source: org_study_id
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