RESUMO
OBJECTIVE@#To evaluate the efficacy of specific immunotherapy (SIT) with standardized house dust mite allergen preparation for allergic rhinitis (AR).@*METHOD@#Fifty-five patients with allergic rhinitis caused by house dust mites were selected in this self-control study. Clinical efficacy was evaluated by symptom and sign score after two years of specific immunotherapy and compared with pre-treatment scores.@*RESULT@#After completing the study, a clinically significant reduction in symptom and sign score in these patients was noted, compared with that of pretreatment. And the difference was statistically significant (P < 0.01).@*CONCLUSION@#Standardized house dust mite allergen preparation is an effective treatment in patients suffering from allergic rhinitis due to house dust mites.
