allergie allergic reactions
Conditions
Interventions
None listed
Sponsors
HAL Allergenen Lab
Eligibility
Age
18 Years to 99 Years
Inclusion criteria
Inclusion criteria: 1. Subjects who give a positive reaction on the skin prick test (sum of erythema diameters >
Exclusion criteria
Exclusion criteria: 1. Treatment with immunotherapy (IT) of the involved allergen during the last 5 years 2. The use of oral and/or local antihistamines in the last 4 days 3. The use of oral corticosteroids or mast cell stabilizers in the last 48 hours 4. Pregnancy 5. Lack of cooperation or severe psychological disorders 6. Negative control in the SPT sum of wheal diameters > 5 mm 7. Positive control in the SPT sum of erythema diameters * 30 mm
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| The test parameter is the sum of diameters of the erythema 20 minutes after intracutanous injection of the allergen extract dilution. The sum is determined by the sum of the longest diameter of the redness and the mid-point diameter perpendicular to the longest diameter. From the main study parameter the biological alergy units of the extract will be calculated. | — |
Secondary
| Measure | Time frame |
|---|---|
| No secondary parameters will be determined. | — |
Countries
Netherlands
Outcome results
None listed