Sublingual Immunotherapy in Patients With Atopic Dermatitis
Atopic Dermatitis
About this trial
This is an interventional treatment trial for Atopic Dermatitis focused on measuring sublingual immunotherapy, atopic dermatitis, Dermatophagoides Farinae Drops
Eligibility Criteria
Inclusion Criteria:
- Patients of either sex ,aged from 18 to 60 years. Diagnosed of atopic dermatitis.
- Mild to moderate AD ( [SCORAD] 1O-40)
- The results of skin prick tests with dermatophagoides farinae allergen extracts preparation is positive(≥2+)
- Written informed consent by the subject or legal guardian.
- Female patients of child-bearing potential must be negative pregnant test on screening and use an appropriate method of contraception.
Exclusion Criteria:
- Dust mites are not the primary allergens.
- Pregnant, breastfeeding women or women planned to pregnant within 1 year.
- Have concurrent skin disease that it could interfere with the study evaluation.
- Were treated with antihistamines or topical therapy within 7 days of randomization.
- Have received systemic corticosteroids,leukotriene receptor antagonists or immunosuppressants within 4 weeks of randomization.
- Have received phototherapy (e.g. UVA, UVB) within 4 weeks of randomization.
- Have a history of immune suppressed diseases(malignant tumor or infection of HIV), autoimmune disease or tuberculosis.
- Patients with impaired liver function (aspartate aminotransferase and/ or alanine aminotransferase levels 1.5 times the upper limit of normal), impaired renal function(serum creatinine>normal value) or other severe diseases.
- Bronchial asthma patients who need treatments with corticosteroids and or β agonists(including injection, oral administration or inhalation) regularly.
- Patients who need to take β-blockers during research.
- Have received investigational drugs within 3 months prior to randomization or planned use of other investigational drugs during participation in this study.
- Have received immunotherapy with dust mite preparation within 3 years prior to randomization.
- Patients with severe mental disorders.
Sites / Locations
- Second Affiliated Hospital,School of Medicine,Zhejiang University.
Arms of the Study
Arm 1
Arm 2
Arm 3
Arm 4
Experimental
Experimental
Experimental
Experimental
Dermatophagoides Farinae Drops Group 1
Dermatophagoides Farinae Drops Group 2
Dermatophagoides Farinae Drops Group 3
Placebo
Dermatophagoides Farinae Drops Group 1 is the group with maintenance dose of 2 drops of grade 5 Dermatophagoides Farinae and 1 drop of placebo.
Dermatophagoides Farinae Drops Group 2 is the group with maintenance dose of one drop of grade 5 Dermatophagoides Farinae and 2 drops of placebo.
Dermatophagoides Farinae Drops Group 3 is the group with maintenance dose of 3 drops of grade 4 Dermatophagoides Farinae.
Placebo Group is the group with maintenance dose of 3 drops of placebo.