Conditions: Rhinitis, Allergic, Perennial
Keywords: Persistent Allergic Rhinitis HDM Parietaria sneezing rhinorrhea ocular pruritus Rhinasthma inflammatory cells ICAM-1 ATAREAL Xyzal Levocetirizine
Allocation: RANDOMIZED | Intervention model: PARALLEL
Enrollment: 62
Healthy volunteers: no

Brief summary:
Comparison of clinical efficacy and safety of levocetirizine in PER continuous versus on demand, measured by evolution of individual symptom scores during 6 months.

Detailed description:

Arms:
arm 1: 5 mg of Levocetirizine (LCTZ) was taken orally once a day. arm 2: 5 mg of Levocetirizine (LCTZ) was taken whenever needed.

Interventions: intervention 1: Levocetirizine
Intervention descriptions: intervention 1: * Pharmaceutical form: Tablet
* Concentration: 5 mg
* Route of administration: Oral use

Protocol document: