Efficacy of Sublingual Versus Subcutaneous Allergen Immunotherapy in

Status Completed

Clinical Trial Summary

Asthma is characterized by airway inflammation and is manifested by acute episodes of obstruction related to loss of control of airway inflammation mostly in response to a viral respiratory tract infection .The significance of eosinophilic inflammation in asthma is well established. Late clinical reactions in asthma are associated with increase of immunoglobulin E (IgE) in serum. Serum IgE can be used as a measure of allergen provocation causing increased eosinophil activity. Serum IgE can be used to assess the exposure to environmental allergens, or decreasing presence of allergen in the environment and the need for increase or reduction of therapy. Allergen immunotherapy is defined as the repeated administration of specific allergens to patients with IgE-mediated conditions for the purpose of providing protection against the allergic symptoms and inflammatory reactions associated with natural exposure to these allergens. The aim of this work is to evaluate the effect of sublingual versus subcutaneous allergen immunotherapy as regard clinical response, serum IgE and sputum eosinophils

Clinical Trial Description

study was conducted in Mansoura University Hospitals, Chest Medicine Department on patients attended to Asthma and Allergy clinic. The asthma symptoms and leukotrienes antagonist, inhaled B2 agonist, inhaled steroid and systemic steroid usage recorded throughout the study period. Venous blood and sputum samples were collected before and at the end of the study for determination of IgE and sputum eosinophil levels respectively. Fifty asthmatic patients recruited from Mansoura university allergy outpatient clinic were included before treatment with subcutaneous immunotherapy (SCIT) vaccines and another Fifty asthmatic patients were included before treatment with sublingual immunotherapy (SLIT) vaccines. In this study, All of patients were symptomatic and on medications either bronchodilators or inhaled corticosteroids (ICS). All patients were diagnosed by previous pulmonary function test (PFT) with reversibility test and follow up with our outpatient clinic (OPC). Each patient underwent spirometry to determine forced expiratory volume at 1st second (FEV1) and to ensure that his condition is stable before starting immunotherapy. Serum IgE and sputum eosinophil count were measured in 100 patients with asthma before and after 6 , 12 , 18 months of treatment with immunotherapy vaccines. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT05786638
Study type	Interventional
Source	Mansoura University Hospital
Contact
Status	Completed
Phase	N/A
Start date	October 20, 2021
Completion date	March 10, 2023

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Clinical trials are conducted in a series of steps, called phases - each phase is designed to answer a separate research question.

Phase 1: Researchers test a new drug or treatment in a small group of people for the first time to evaluate its safety, determine a safe dosage range, and identify side effects.
Phase 2: The drug or treatment is given to a larger group of people to see if it is effective and to further evaluate its safety.
Phase 3: The drug or treatment is given to large groups of people to confirm its effectiveness, monitor side effects, compare it to commonly used treatments, and collect information that will allow the drug or treatment to be used safely.
Phase 4: Studies are done after the drug or treatment has been marketed to gather information on the drug's effect in various populations and any side effects associated with long-term use.

Efficacy of Sublingual Versus Subcutaneous Allergen Immunotherapy in Patients With Bronchial Asthma — Sublingual

Clinical Trial Summary

Clinical Trial Description

Study Design

Related Conditions & MeSH terms