Actively Recruiting
Quercus Ilex and Quercus Robur Allergen Extracts Standardisation
Led by Inmunotek S.L. · Updated on 2025-05-01
30
Participants Needed
1
Research Sites
148 weeks
Total Duration
On this page
AI-Summary
What this Trial Is About
The objective of this study is to determine the biological activity of Quercus illex and Quercus robur allergen extracts in histamine equivalent prick (HEP) units, in order to be used as in-house reference preparation (IHRP).
CONDITIONS
Official Title
Quercus Ilex and Quercus Robur Allergen Extracts Standardisation
Who Can Participate
Eligibility Criteria
You may qualify if you...
- Subjects must live in an area where allergies from Quercus ilex and Quercus robur are common.
- Have a positive history of inhalant allergy symptoms like rhinitis, rhinoconjunctivitis, or asthma due to these allergens.
- Show a positive skin prick test with a papule diameter of at least 3 mm for the allergen and/or have specific IgE against it.
- Have a mean papule area of at least 7 mm2 from histamine dichlorhydrate at 10 mg/mL.
- Be between 18 and 64 years old.
- Be able to provide informed consent.
You will not qualify if you...
- Subjects outside the age range of 18 to 64 years.
- Those who have had immunotherapy in the last 5 years for asthma or allergic rhinoconjunctivitis that might affect testing.
- Subjects with severe allergy symptoms where stopping systemic antihistamines is unsafe.
- Those who had severe reactions to previous skin prick tests.
- Subjects currently on beta-blocker treatment.
- Those who are clinically unstable, such as having acute asthma or fever.
- Subjects with active skin conditions like urticaria, severe dermographism, atopic dermatitis, sunburn, eczema, or psoriasis on the test site.
- Those with active herpes simplex or varicella zoster infections at the test site.
- Subjects with conditions where adrenaline use is unsafe, like hyperthyroidism, high blood pressure, or heart disease.
- Individuals unable to cooperate or with severe psychiatric disorders.
- Pregnant, breastfeeding, or women at risk of pregnancy.
AI-Screening
AI-Powered Screening
Complete this quick 3-step screening to check your eligibility
Trial Site Locations
Total: 1 location
1
Clínica Subiza, centro de asma y alergia
Madrid, Spain
Actively Recruiting
Research Team
M
Miguel Casanovas, MD
CONTACT
R
Raquel Caballero, BSc
CONTACT
How is the study designed?
Study Type
INTERVENTIONAL
Masking
NONE
Allocation
NA
Model
SINGLE_GROUP
Primary Purpose
OTHER
Number of Arms
1
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