grass pollen allergy hay fever
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: Patients: *Written informed consent *Age * 18 and 20 or use of rescue medication on days with a pollen count > 20
Exclusion criteria
Exclusion criteria: Patients: *Chronic autoimmune disease such as Diabetes Mellitus type 1, Rheumatoid Arthritis, Multiple Sclerosis, Psoriasis or Crohn*s disease *Known hypersensitivity to one of the constituents of Citrus/Cydonia comp.® *Participation in a further clinical trial at the same time or within 4 weeks prior to enrolment into this study *Previous use of medicinal products containing Citrus and/or Cydonia *Pregnancy or lactation *Severe internal or systemic disease (e.g. cardiac, hepatic, renal diseases) *A known history of drug, alcohol and/or medication dependence or addiction *Immunotherapy in the last two years . * Use of cromoglycates *Other allergies (non seasonal allergies)
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| *Days with symptom control* defined by: a)A Total Symptom Score of * 8 (while exposed to a mean pollen count of 20-50) or * 12 (while exposed to a mean pollen count of > 50) and b)No use of rescue medication in the verum group compared to the placebo group in the last two weeks of treatment | — |
Secondary
| Measure | Time frame |
|---|---|
| 1.Total use of rescue medication throughout the whole treatment period. 2.Number of drop outs between verum and placebo group. 4.Safety: Adverse events | — |
Countries
Netherlands