The Allergic Rhinitis Control Test Questionnaire Is Valuable in Guiding Step-Down Pharmacotherapy Treatment of Allergic Rhinitis

Abstract

Background: Allergic Rhinitis Control Test (ARCT) has been validated in the allergic rhinitis (AR) step-up pharmacotherapy management approach. Objective: The aim of our study was to evaluate the potential of ARCT in AR step-down pharmacotherapy. Methods: In an open-labeled randomized controlled study, patients with AR controlled with intranasal corticosteroid (INS) plus antihistamine (step 4) were included and randomized into an ARCT or a control group. In the ARCT group, the patients were followed up every 15 days; if the ARCT score was ≥20 (controlled AR), the patient would step down to step 3 (INS), step 2 (daily antihistamine), step 1 (antihistamine as needed), and step 0 (no medication) consecutively; if the ARCT score was strictly <20, the treatment would not be adjusted. In the control group, patients would be treated with step 4 medications during the whole study. Rhinitis Quality-of-Life Questionnaire (RQLQ), Morisky Questionnaire, and Brief Illness Perception Questionnaire (B-IPQ) were completed at baseline and the end of the study. Medication use and side effects were recorded. Results: A total of 255 patients with AR were enrolled into the study; 27 patients dropped out. The control rates at day 45 were 77.8% in the ARCT group and 85.8% in the control group (P >.05). The ARCT group had less mean medication use than the control group (INS 1.27 vs 2.22 bottle, antihistamines 35.9 vs 61.4 tablets) (P