Title
Skin Prick Tests With AllerT in Subjects Allergic to Birch Pollen
Détermination de la réactivité cutanée de Volontaires Allergiques au Pollen de Bouleau Contre Des Peptides dérivés de Bet v 1
Phase
Phase 1Lead Sponsor
AnergisStudy Type
InterventionalStatus
Completed No Results PostedIndication/Condition
Allergic RhinitisIntervention/Treatment
birch allergen ...Study Participants
20Assessment of skin reactivity by skin prick tests to synthetic peptides derived from the major birch allergen bet v 1, in subjects allergic to birch pollen.
The study tested - all by skin tests - in the same group of 20 trial subjects, one positive control (histamine solution), one negative control (placebo saline) and five experimental peptides called T1, T2, T3, T4 and T5. Results of the skin prick tests were scored as negative (no reaction) or positive (wheal diameter > 4 mm with erythema)
saline solution
positive control
synthetic peptide T1
synthetic peptide T2
synthetic peptide T3
synthetic peptide T4
synthetic peptide T5
mix of peptides T1, T2 and T3
mix T4-T5
placebo histamine T1 T2 T3 T4 T5 T1-T2-T3 T4-T5
Inclusion Criteria: history of allergy symptoms during previous birch pollen season positive skin prick test to birch pollen extract Exclusion Criteria: pregnancy uncontrolled asthma other significant clinical conditions or immune disorders subjects taking antihistamines or drugs with antihistamine activity