Related Experiment Video
Updated: Jun 3, 2026
16:56
Sublingual Immunotherapy as an Alternative to Induce Protection Against Acute Respiratory Infections
Published on: August 30, 2014
Systematic reviews of sublingual immunotherapy (SLIT)
S Radulovic1, D Wilson, M Calderon
1Paediatric Allergy, King's College, London, UK.
Allergy
|March 30, 2011
Summary
Sublingual immunotherapy effectively reduces allergic rhinitis symptoms and medication needs. This treatment is a safe alternative for patients unresponsive to other therapies.
Area of Science:
- Allergy and Immunology
- Otolaryngology
Background:
- Allergic rhinitis affects many globally, impacting quality of life.
- Standard anti-allergic drugs are insufficient for some patients.
- Subcutaneous immunotherapy is effective but requires specialist administration.
Purpose of the Study:
- To update a 2003 Cochrane review on sublingual immunotherapy (SLIT) for allergic rhinitis.
- To assess the efficacy and safety of SLIT compared to placebo.
Main Methods:
- Systematic review and meta-analysis of randomized, double-blind, placebo-controlled trials.
- Inclusion of studies on SLIT in adult and pediatric populations.
- Statistical analysis using standardized mean difference (SMD) with a random effect model.
Main Results:
- Sixty studies were included, with 49 suitable for meta-analysis.
- Significant reductions in allergic rhinitis symptoms (SMD -0.49) and medication requirements (SMD -0.32) were observed with SLIT compared to placebo.
- No severe systemic reactions, anaphylaxis, or adrenaline use were reported in the included trials.
Conclusions:
- Sublingual immunotherapy is an effective treatment for allergic rhinitis.
- SLIT demonstrates a favorable safety profile, with no reported severe adverse events.
- This review supports SLIT as a safe and effective alternative for managing allergic rhinitis.
