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Prospective Study About Sensitization Pattern to Insects as Food Source in Patients With House Dust Mite Allergy

Study Purpose

Patients allergic to seafood and/or sensitized to Tropomyosin of Skin Prick tests SPT or crustacean origin will may be also be sensitized to edible insects. Aim of the study is to evaluate whether patients allergic to seafood and/or sensitized to Tropomyosin of SPT or crustacean origin may be more often be sensitized to edible insects used as food source.

Recruitment Criteria

Accepts Healthy Volunteers

Healthy volunteers are participants who do not have a disease or condition, or related conditions or symptoms

Study Type

An interventional clinical study is where participants are assigned to receive one or more interventions (or no intervention) so that researchers can evaluate the effects of the interventions on biomedical or health-related outcomes.

An observational clinical study is where participants identified as belonging to study groups are assessed for biomedical or health outcomes.

Searching Both is inclusive of interventional and observational studies.

Eligible Ages 18 Years - 70 Years
Gender All
More Inclusion & Exclusion Criteria

Inclusion Criteria:

  • - Age: 18 < x < 70.
  • - House dust mite sensitization with or without sensitization to seafood.
  • - Subject is capable of giving informed consent.
  • - Signed informed consent.

Exclusion Criteria:

  • - Use of antihistamines, systemic corticosteroids during testing and within three days (antihistamines) or two weeks (corticosteroids) prior to testing.
  • - Use of immunosuppressive agents.
  • - History of cancer except for treated basal cell or spinal cell carcinoma of the skin.
  • - Active or recurrent bacterial, fungal or viral infection at the time of enrollment, including patients with evidence of Human Immunodeficiency Virus (HIV) infection, Hepatitis B and Hepatitis C infection, active or untreated latent tuberculosis.
  • - Female patients of childbearing potential who are pregnant or breast feeding or planning a pregnancy during the duration of the trial and/or not practicing acceptable birth control for the duration of the trial.
- Known or suspected non-compliance, drug or alcohol abuse, - Inability to follow the procedures of the study, e.g. due to language problems, psychological disorders, dementia, etc. of the participant, - Previous enrollment into the current study, - Enrollment of the investigator, his/her family members, employees and other dependent persons,

Trial Details

Trial ID:

This trial id was obtained from ClinicalTrials.gov, a service of the U.S. National Institutes of Health, providing information on publicly and privately supported clinical studies of human participants with locations in all 50 States and in 196 countries.


Phase 1: Studies that emphasize safety and how the drug is metabolized and excreted in humans.

Phase 2: Studies that gather preliminary data on effectiveness (whether the drug works in people who have a certain disease or condition) and additional safety data.

Phase 3: Studies that gather more information about safety and effectiveness by studying different populations and different dosages and by using the drug in combination with other drugs.

Phase 4: Studies occurring after FDA has approved a drug for marketing, efficacy, or optimal use.

Lead Sponsor

The sponsor is the organization or person who oversees the clinical study and is responsible for analyzing the study data.

University of Zurich
Principal Investigator

The person who is responsible for the scientific and technical direction of the entire clinical study.

Peter Schmid, MD
Principal Investigator Affiliation Universitätsspital Zürich
Agency Class

Category of organization(s) involved as sponsor (and collaborator) supporting the trial.

Overall Status Recruiting
Countries Switzerland

The disease, disorder, syndrome, illness, or injury that is being studied.

Hypersensitivity, Food
Additional Details

House dust mite allergy is a common problem in Europe. In addition to inhalant allergies sensitization to mites can be related to food allergy namely seafood. Insects are also widespread food sources in many regions of the world. In this study skin testing and laboratory tests are planned in patients with known house dust mite allergy to evaluate a possible sensitization to insects. Patients must also complete a questionnaire. A drug therapy or other intervention is not planned. Aim of the study is to evaluate whether patients allergic to seafood and/or sensitized to Tropomyosin of SPT or crustacean origin may be more often be sensitized to edible insects used as food source.

Arms & Interventions


Other: All Patients

It is a single arm study. Skin prick testing and laboratory Tests are carried out on all patients in the same way


Other: - Skin prick test

a Skin prick test is planned in all patients

Contact a Trial Team

If you are interested in learning more about this trial, find the trial site nearest to your location and contact the site coordinator via email or phone. We also strongly recommend that you consult with your healthcare provider about the trials that may interest you and refer to our terms of service below.

International Sites

Allergy Unit,University Hospital, Zurich, Switzerland




Allergy Unit,University Hospital

Zurich, , 8091

Site Contact


[email protected]


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