hay fever
Conditions
Interventions
None listed
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: * Signed an informed consent consistent with ICH-GCP guidelines prior to participating in the trial; * Male or female aged at least 16 years; * Positive anamnesis of hay fever; * Living in the region of Leiden in order to compare the results with the daily pollen counts of the LUMC. * Positive specific IgE test for grass pollen
Exclusion criteria
Exclusion criteria: * a clinically relevant pet allergy and the very pet at home; * immunotherapy within 3 years prior to visit 1 * daily use of inhaled corticosteroids for asthma; * daily use of oral corticosteroids; * pregnant or breast feeding; * chronically blocked nose; * other significant disease (e.g. severe cardiovascular or pulmonary disease, malignancy, autoimmune diseases). Significant is defined as any disease that in the opinion of the investigator would put safety of the subject at risk through participation.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| The relationship between the amount of pollen in the environment of the hay fever suffers measured via the pollensniffer and the severity of their symptoms. | — |
Secondary
| Measure | Time frame |
|---|---|
| Knowledge on the user friendliness of the handheld pollensniffer based on a questionnaire outcome and suggestions for improvements. | — |
Countries
Netherlands