PURPOSE:Sublingual Immunotherapy has been reported to be safe and effective in Allergic Rhinitis and Asthma.Purpose of this study is to Evaluate Clinical improvement and Changes in Serum IgE levels at the end of 2 Year course of Sublingual Immunotherapy against House Dust Mite.
METHODS:In a Double blind, placebo controlled trial, 62 patients suffering from clinically relevant Asthma and Allergic Rhinitis with Positive skin reactions to House Dust Mite and Elevated Total and Specific IgE underwent daily treatment with Sublingual Immunotherapy with Standardized extract of House Dust Mite for 2 years. Clinical symptom medication score and IgE levels were estimated after 2 years.
RESULTS:When comparing with the placebo, active group showed good improvement in clinical symptoms and signs.Specific and Total IgE levels showed significant reduction in active group while no change in control group.They were no drop outs.They were no significant side effects exept for minimal itching and burning sensation locally for first few days of immunotherapy.
CONCLUSION:Sublingual Immunotherapy seems to be very effective and well tolerated.Since compliance rate is very high and no side effects it can be preferred over Injection Immunotherapy.
CLINICAL IMPLICATIONS:Further studies are needed in a larger group of patients and long term studies in order to have an accurate results about the efficacy of Sublingual form of Immunotherapy. Also further and detailed immunological evaluation is necessary following Sublingual Immunotherapy.
DISCLOSURE:Manimaran Marappan, No Financial Disclosure Information; No Product/Research Disclosure Information