Pascal Demoly1, Waltraud Emminger2, Dorte Rehm3, Vibeke Backer4, Lene Tommerup3, Jörg Kleine-Tebbe5. 1. Department of Pulmonology, Division of Allergy, Hôpital Arnaud de Villeneuve, University Hospital of Montpellier, Paris, France. Electronic address: pascal.demoly@inserm.fr. 2. Allergy Outpatient Clinic, Rennweg, Vienna, Austria. 3. ALK, Hørsholm, Denmark. 4. Department of Respiratory Medicine, Bispebjerg University Hospital, Copenhagen, Denmark. 5. Allergy & Asthma Center Westend, Outpatient Clinic & Research Center, Berlin, Germany.
Abstract
BACKGROUND: The SQ HDM SLIT-tablet (ALK) has been developed for treatment of house dust mite (HDM)-induced respiratory allergic disease. OBJECTIVE: This trial investigated the efficacy and safety of the SQ HDM SLIT-tablet in adults with moderate-to-severe HDM-induced allergic rhinitis (AR). METHODS: The trial was a randomized, double-blind, placebo-controlled phase III trial conducted in 12 European countries including 992 adults with moderate-to-severe HDM-induced AR despite treatment withpharmacotherapy. Subjects were randomized 1:1:1 to 1 year of daily treatment with placebo, 6 SQ-HDM, or 12 SQ-HDM. The primary end point was the total combined rhinitis score (ie, the sum of rhinitis symptom and medication scores) during the efficacy assessment period (approximately the last 8 weeks of the treatment period). Key secondary end points were rhinitis symptoms, medication scores, quality of life, and the combined rhinoconjunctivitis score. RESULTS: Analysis of the primary end point (observed data) demonstrated absolute reductions in total combined rhinitis score of 1.18 (P = .002) and 1.22 (P = .001) compared with placebo for 6 SQ-HDM and 12 SQ-HDM, respectively. The statistically significant treatment effect was evident from 14 weeks of treatment onward. For all key secondary end points, efficacy was confirmed for 12 SQ-HDM, with statistically significant reductions of rhinitis symptoms and medication scores, improved quality of life, and a reduced combined rhinoconjunctivitis score in the efficacy assessment period compared with placebo. The treatment was well tolerated. CONCLUSION: The trial confirmed the efficacy and favorable safety profile of both 6 SQ-HDM and 12 SQ-HDM in adults with HDM-induced AR. The treatment effect was present from 14 weeks of treatment onward.
RCT Entities:
BACKGROUND: The SQ HDM SLIT-tablet (ALK) has been developed for treatment of house dust mite (HDM)-induced respiratory allergic disease. OBJECTIVE: This trial investigated the efficacy and safety of the SQ HDM SLIT-tablet in adults with moderate-to-severe HDM-induced allergic rhinitis (AR). METHODS: The trial was a randomized, double-blind, placebo-controlled phase III trial conducted in 12 European countries including 992 adults with moderate-to-severe HDM-induced AR despite treatment with pharmacotherapy. Subjects were randomized 1:1:1 to 1 year of daily treatment with placebo, 6 SQ-HDM, or 12 SQ-HDM. The primary end point was the total combined rhinitis score (ie, the sum of rhinitis symptom and medication scores) during the efficacy assessment period (approximately the last 8 weeks of the treatment period). Key secondary end points were rhinitis symptoms, medication scores, quality of life, and the combined rhinoconjunctivitis score. RESULTS: Analysis of the primary end point (observed data) demonstrated absolute reductions in total combined rhinitis score of 1.18 (P = .002) and 1.22 (P = .001) compared with placebo for 6 SQ-HDM and 12 SQ-HDM, respectively. The statistically significant treatment effect was evident from 14 weeks of treatment onward. For all key secondary end points, efficacy was confirmed for 12 SQ-HDM, with statistically significant reductions of rhinitis symptoms and medication scores, improved quality of life, and a reduced combined rhinoconjunctivitis score in the efficacy assessment period compared with placebo. The treatment was well tolerated. CONCLUSION: The trial confirmed the efficacy and favorable safety profile of both 6 SQ-HDM and 12 SQ-HDM in adults with HDM-induced AR. The treatment effect was present from 14 weeks of treatment onward.
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Authors: Oliver Pfaar; Tobias Ankermann; Matthias Augustin; Petra Bubel; Sebastian Böing; Randolf Brehler; Peter A Eng; Peter J Fischer; Michael Gerstlauer; Eckard Hamelmann; Thilo Jakob; Jörg Kleine-Tebbe; Matthias Volkmar Kopp; Susanne Lau; Norbert Mülleneisen; Christoph Müller; Katja Nemat; Wolfgang Pfützner; Joachim Saloga; Klaus Strömer; Peter Schmid-Grendelmeier; Antje Schuster; Gunter Johannes Sturm; Christian Taube; Zsolt Szépfalusi; Christian Vogelberg; Martin Wagenmann; Wolfgang Wehrmann; Thomas Werfel; Stefan Wöhrl; Margitta Worm; Bettina Wedi; Susanne Kaul; Vera Mahler; Anja Schwalfenberg Journal: Allergol Select Date: 2022-09-06