Effects of subcutaneous immunotherapy in allergic rhinitis children sensitive to dust mites

Main Article Content

Yanfen Lin
Jinling Liu
Jing He
Lei Wu
Shuxian Li
Beilei Cheng
Yanan Shao
Yuanyuan Zhang
Yingshuo Wang
Lanfang Tang
Zhimin Chen


allergic rhinitis, children, clinical response, dust mite, subcutaneous immunotherapy


Background: Subcutaneous immunotherapy (SCIT) is now the only treatment that can modify the natural course of allergic rhinitis (AR). However, not all children with AR benefit from SCIT.

Objective: To evaluate the efficacy of SCIT in dust-mites-induced AR children and explore correlative factors predicting treatment response to SCIT.

Methods: 225 children aged 4–17 years old with AR were recruited from January 2016 to September 2019, and monitored at baseline, 4, 12, and 24 months after the start of SCIT treatment. The visual-analogue-score (VAS) was used to assess the clinical symptoms. Multivariate binary logistic regression analyses and receiver operating characteristic curves were used to explore correlative factors in predicting the efficacy of SCIT.

Results: The significant declines in VAS started after 4 months of SCIT and continued to improve throughout the study compared with baseline. An increase in children’s age (OR=0.688, 95%CI: 0.479–0.988) and those with allergic history (OR=0.097, 95%CI: 0.009–1.095) were negatively associated with the risk of poor efficacy. Polysensitized children were more likely to suffer poor efficacy (OR=15.511 95%CI: 1.319–182.355). The clinical response at month 4 (r=0.707) and month 12 (r=0.925) was related to that at month 24. The area under the curve (AUC) for improvement at month 4 and month 12 was 0.746 and 0.860, respectively.

Conclusion: Our study confirmed the clinical efficacy of SCIT in AR children. Children with younger age, negative allergic history, and multiple allergens may predict a worse efficacy. The onset of action and the clinical response to SCIT in the second year can be predicted as early as by month 4.

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