Study: NCT04399525

Intervention type: DRUG
Group type: EXPERIMENTAL
Intervention: Desloratadine Single Dose
Description: Desloratadine (H1-antihistamine): oral tablet (1 x 5 mg), taken with 240 ml water, 4 hours prior to the histamine skin prick

Intervention type: DRUG
Group type: EXPERIMENTAL
Intervention: Desloratadine Single Dose
Description: Desloratadine (H1-antihistamine): oral tablet (1 x 5 mg), taken with 240 ml water, 4 hours prior to the histamine skin prick

Intervention type: DRUG
Group type: EXPERIMENTAL
Intervention: Desloratadine Single Dose
Description: Desloratadine (H1-antihistamine): oral tablet (1 x 5 mg), taken with 240 ml water, 4 hours prior to the histamine skin prick

Intervention type: DRUG
Group type: EXPERIMENTAL
Intervention: Desloratadine Single Dose
Description: Desloratadine (H1-antihistamine): oral tablet (1 x 5 mg), taken with 240 ml water, 4 hours prior to the histamine skin prick

Intervention type: DRUG
Group type: EXPERIMENTAL
Intervention: Levocetirizine Single Dose
Description: Levocetirizine (H1-antihistamine): oral tablet (1 x 5 mg), taken with 240 ml water, 4 hours prior to the histamine skin prick

Intervention type: DRUG
Group type: EXPERIMENTAL
Intervention: Levocetirizine Single Dose
Description: Levocetirizine (H1-antihistamine): oral tablet (1 x 5 mg), taken with 240 ml water, 4 hours prior to the histamine skin prick

Intervention type: DRUG
Group type: EXPERIMENTAL
Intervention: Levocetirizine Single Dose
Description: Levocetirizine (H1-antihistamine): oral tablet (1 x 5 mg), taken with 240 ml water, 4 hours prior to the histamine skin prick

Intervention type: DRUG
Group type: EXPERIMENTAL
Intervention: Levocetirizine Single Dose
Description: Levocetirizine (H1-antihistamine): oral tablet (1 x 5 mg), taken with 240 ml water, 4 hours prior to the histamine skin prick

Intervention type: DRUG
Group type: EXPERIMENTAL
Intervention: Desloratadine Fourfold Dose
Description: Desloratadine (H1-antihistamine): 2 oral tablets of 5 mg in the evening and 2 oral tablets of 5 mg in the morning, taken with 240 ml water, 14 and 4 hours prior to the histamine skin prick, respectively

Intervention type: DRUG
Group type: EXPERIMENTAL
Intervention: Desloratadine Fourfold Dose
Description: Desloratadine (H1-antihistamine): 2 oral tablets of 5 mg in the evening and 2 oral tablets of 5 mg in the morning, taken with 240 ml water, 14 and 4 hours prior to the histamine skin prick, respectively

Intervention type: DRUG
Group type: EXPERIMENTAL
Intervention: Desloratadine Fourfold Dose
Description: Desloratadine (H1-antihistamine): 2 oral tablets of 5 mg in the evening and 2 oral tablets of 5 mg in the morning, taken with 240 ml water, 14 and 4 hours prior to the histamine skin prick, respectively

Intervention type: DRUG
Group type: EXPERIMENTAL
Intervention: Desloratadine Fourfold Dose
Description: Desloratadine (H1-antihistamine): 2 oral tablets of 5 mg in the evening and 2 oral tablets of 5 mg in the morning, taken with 240 ml water, 14 and 4 hours prior to the histamine skin prick, respectively

Intervention type: DRUG
Group type: EXPERIMENTAL
Intervention: Levocetirizine Fourfold Dose
Description: Levocetirizine (H1-antihistamine): 2 oral tablets of 5 mg in the evening and 2 oral tablets of 5 mg in the morning, taken with 240 ml water, 14 and 4 hours prior to the histamine skin prick, respectively.

Intervention type: DRUG
Group type: EXPERIMENTAL
Intervention: Levocetirizine Fourfold Dose
Description: Levocetirizine (H1-antihistamine): 2 oral tablets of 5 mg in the evening and 2 oral tablets of 5 mg in the morning, taken with 240 ml water, 14 and 4 hours prior to the histamine skin prick, respectively.

Intervention type: DRUG
Group type: EXPERIMENTAL
Intervention: Levocetirizine Fourfold Dose
Description: Levocetirizine (H1-antihistamine): 2 oral tablets of 5 mg in the evening and 2 oral tablets of 5 mg in the morning, taken with 240 ml water, 14 and 4 hours prior to the histamine skin prick, respectively.

Intervention type: DRUG
Group type: EXPERIMENTAL
Intervention: Levocetirizine Fourfold Dose
Description: Levocetirizine (H1-antihistamine): 2 oral tablets of 5 mg in the evening and 2 oral tablets of 5 mg in the morning, taken with 240 ml water, 14 and 4 hours prior to the histamine skin prick, respectively.