Long-term observation of atopic dermatitis and related allergic conditions
Official title: Prospective Longitudinal Observational Research Study to Investigate the Remission of Atopic Dermatitis and Associated Allergic Diseases
Run by University of Zurich · NCT04240522 · Data updated 2026-11-12
This project will collect medical and lab data over time to see which genetic, immune, environmental, and microbial factors relate to the course or remission of atopic dermatitis and other atopic diseases in people of all ages.
Quick facts
| Study type | Observational |
|---|---|
| Ages | 1 Year to 85 Years |
| Sex | All |
| Enrollment | 1000 (estimated) |
| Sponsor | University of Zurich Academic / other |
| Locations | 1 site (Zurich, Canton of Zurich) |
| Status | Recruiting |
| Started | April 4, 2017 |
| Main results expected | March 30, 2031 |
| Study ends | March 30, 2031 |
| Registry record updated | February 5, 2026 |
| Trial ID | NCT04240522 on ClinicalTrials.gov |
Is this trial a fit for you?
✓Likely a good fit
Ideal candidates are people aged 0–85 with a diagnosis of atopic dermatitis or another atopic disease, and healthy volunteers without allergic disease, who can provide informed consent (or have a guardian provide consent).
✕Probably not a fit
People seeking immediate experimental therapies or direct clinical benefit from the protocol are unlikely to gain treatment benefit since this is an observational data-collection project, and those unable to attend follow-up visits or provide samples will not benefit from the study's aims.
A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.
What this trial studies
This is a prospective, longitudinal observational cohort that will enroll people with atopic dermatitis and other atopic diseases, plus healthy controls, across ages 0–85. Participants will remain on their medically indicated therapies while clinicians collect standardized clinical data, biosamples, and laboratory measurements over time. The study aims to link endogenous factors (genetic, immunological, molecular) and exogenous factors (environmental, socioeconomic, microbial) to disease course, remission, and the development of related atopic conditions. Collected data will be used to define patient subgroups (endotypes) and search for biomarkers that predict individual clinical trajectories.
Why it matters
Potential benefit: If successful, the findings could enable earlier prediction of flares or remission and support more personalized prevention and treatment strategies for atopic diseases.
How similar studies have gone: Previous longitudinal cohorts have identified some genetic and immune markers linked to atopic march and endotypes, but results have been only partially reproducible and larger, multi-factor studies are still needed.
Who can join: the full rules
Show full inclusion / exclusion criteria
Inclusion Criteria: * Age 0 - 85 years * Diagnosis of AD and/or another disease of the atopic group (i.e. allergic rhinitis, allergic asthma, food allergy) * The inclusion of patients in this study is independent from the current therapy. During the study all patients will be kept on a therapy that is medically indicated The inclusion criteria for healthy controls in this study are as follows: * Age 0 - 85 years * No diagnosis or history of allergic disease * The inclusion of patients in this study is independent from the current therapy. During the study all patients will be kept on a therapy that is medically indicated Written consent will be obtained after detailed information of the study was given to the participant. Exclusion Criteria \- Unable to give consent or refusal to participate in the study
Where it's running
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Allergy Unit, Dept. of Dermatology, Unviersity Hosptial of Zurich
Zurich, Canton of Zurich, Switzerland Recruiting
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How to take part
- Review the eligibility criteria above with your treating physician.
- Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
- Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.