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Effect of Sublingual Immunotherapy in Patients With Atopic Dermatitis
Atopic dermatitis (AD) is a chronic and recurrent inflammatory disease, prevalent between 1 and 20% in the world population, with a predominance of childhood, but which may be present in adult life. AD results from a complex interaction between genetic and environmental factors, with the presence of a defect in the skin barrier and deregulation of the immune response, culminating in an inflammatory response in the skin predominantly type 2. Disease control is based on restoring skin hydration, smoothing itching and controlling the process specific sensitizing agents such as inhalant allergens and foods that may pathogenesis of the disease. In selected patients who present IgE mediated response to inhalant allergens, allergen-specific immunotherapy can be effective. Classically, the subcutaneous route is the most used, however, sublingual immunotherapy (SLIT) has been used in increasing form. There are still few studies on the efficacy and safety of SLIT in atopic dermatitis. Therefore, the present study aims to to investigate the role of SLIT in the management of patients with AD allergic mites, through a randomized, double-blind and placebo-controlled study
Healthy volunteers are participants who do not have a disease or condition, or related conditions or symptoms
An interventional clinical study is where participants are assigned to receive one or more interventions (or no intervention) so that researchers can evaluate the effects of the interventions on biomedical or health-related outcomes.
An observational clinical study is where participants identified as belonging to study groups are assessed for biomedical or health outcomes.
Searching Both is inclusive of interventional and observational studies.
|Eligible Ages||3 Years and Over|
Inclusion Criteria:- Diagnosis of AD according to Hanifin and Rajka criteria; - Age greater than or equal to 3 years; - SCORAD equal to or greater than 15 points; - Presence of skin tests and / or specific IgE positive for Dermatophagoides pteronyssinus and / or Dermatophagoides farinae;
Exclusion Criteria:- Pregnancy or breastfeeding;
This trial id was obtained from ClinicalTrials.gov, a service of the U.S. National Institutes of Health, providing information on publicly and privately supported clinical studies of human participants with locations in all 50 States and in 196 countries.
Phase 1: Studies that emphasize safety and how the drug is metabolized and excreted in humans.
Phase 2: Studies that gather preliminary data on effectiveness (whether the drug works in people who have a certain disease or condition) and additional safety data.
Phase 3: Studies that gather more information about safety and effectiveness by studying different populations and different dosages and by using the drug in combination with other drugs.
Phase 4: Studies occurring after FDA has approved a drug for marketing, efficacy, or optimal use.
The sponsor is the organization or person who oversees the clinical study and is responsible for analyzing the study data.
|Casa Espirita Terra de Ismael|
The person who is responsible for the scientific and technical direction of the entire clinical study.
|Karla L Arruda, PhD|
|Principal Investigator Affiliation||Faculdade de Medicina de Ribeirão Preto|
Category of organization(s) involved as sponsor (and collaborator) supporting the trial.
|Overall Status||Active, not recruiting|
The disease, disorder, syndrome, illness, or injury that is being studied.
|Atopic Dermatitis, Effects of Immunotherapy|
A total of 94 patients, 3 years of age or older, with clinical diagnosis of AD, without distinction of gender, ethnicity or social group, will be selected at HCFMRP-USP Allergy and Dermatology outpatient clinics. These patients will undergo clinical evaluation and laboratory tests, including blood count, total IgE, inhalant panel specific IgE, and immediate hypersensitivity skin tests, and mite allergen-specific IgG4 (Der p 1 and Der p 2), before of the study. To calculate the sample size, a response rate to the medication was defined as a 15
- - point decrease in SCORAD (a score that includes lesion extent, intensity and subjective symptoms such as pruritus and sleep), which was determined through the experience of the service.
- - Weekly dose schedule Monday Wednesday Friday 1.
- - Monthly Dilution Schedule Dilution of mite extract 1st and 2nd weeks (1st month) 1: 1000000 v: v 3rd and 4th weeks (1st month) 1: 100000 v: v 1st and 2nd weeks (2nd month)1: 10000 v: v 3rd and 4th weeks (2nd month) 1:1000 v: v 1st and 2nd weeks (3rd month) 1: 100 v:v 3rd and 4th weeks (3rd month) 1:10 v:v 3rd to 18th month 1:10 v: v Individuals will be selected during the SCORAD, of the outpatient clinics of the Allergy and Dermatology Service of the HCFMRP-USP.
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Hospital das Clínicas da Faculdade de Medicina de Ribeirão Preto
Ribeirão Preto, Sao Paulo, 14048-900