AIT studies in AD
Study type | Allergen | Treatment duration | Number of patients enrolled | Complementary medication | Route | Global endpoints achieved | Adverse reactions reported | References |
---|---|---|---|---|---|---|---|---|
Open-label, controlled, randomized trial | HDM | 12 months | 60 | Moisturisers, topical and systemic drugs | SL | Significant increase of allergen-specific Ig4 | Oropharyngeal itching, localized lip swelling | [170] |
Randomized controlled trial | HDM | 36 months | 440 | Topical glucocorticoids, skin moisturizers, oral antihistamines | SL | Significant improvement of SCORAD | Lip swelling, numbness, pruritus | [171] |
Randomized controlled trial | HDM | 6 months | 14 | Moisturizers, antihistamine and mild-potency anti-inflammatory topical treatments | SL | Significant improvement of SCORAD and TEWL | Not available | [172] |
Randomized, double-blind, placebo-controlled trial | HDM | 18 months | 66 | Topical corticosteroids, topical immunosuppressors, and systemic immunosuppressants | SL | Significant improvement of SCORAD | Vomiting, abdominal pain, aphthous ulcer, alopecia, dyspnea | [173] |
Randomized, placebo-controlled, double-blind trial | HDM | 12 months | 37 | Oral antihistamines, topical medications | SC | Significant improvement of EASI | Mild local reaction, transient urticaria | [174] |
Multi-centre, randomized, double-blind, placebo-controlled study | HDM | 36 weeks | 239 | Mometasone furoate cream, levocetirizine hydrochloride tablets, mupirocin ointment, clarithromycin tablets | SL | Significant improvement of SCORAD and SLA | Swelling in tough and lips, throat pain, diarrhoea, itching, numb in mouth | [175] |
Randomized controlled study | HDM | 24 months | 96 | Oral levocetirizine hydrochloride tablets, topical fluticasone | SL | Significant reduction of SCORAD | Transient oral itching, gastrointestinal discomfort | [176] |
Randomized controlled study | HDM | 12 months | 107 | Oral antihistamines and topical medications | SL | Significant increase of serum-specific IgG4 level | Transient oral itching, gastrointestinal discomfort | [177] |
Randomized, double-blind, placebo-controlled study | HDM | 18 months | 56 | Short term use (3 days) of topical fluticasone propionate and/or oral hydroxyzine | SL | Significant reduction of SCORAD in mild-moderate patients | Tiredness, oral itching, headache, mouth, lips, and face swelling | [178] |
Observational study | HDM; cat/dog dander | 2–58 months | 19 | Topical treatment and/or oral antihistamines | SL | Significant improvement of IGA and EASI | Not available | [179] |
Multi-centre randomized, double-blind, placebo-controlled parallel group trial | HDM | 18 months | 168 | Topical and (as necessary) systemic medication | SC | Significant reduction of SCORAD in severe AD patients | Flare-ups of eczematous and urticarial lesions, symptoms of rhinitis, pruritus, transient headache, and asthma | [180] |
AD: atopic dermatitis; AIT: allergen immunotherapy; EASI: eczema area and severity index; HDM: house dust mite; IGA: investigator global assessment; SC: subcutaneous; SL: sublingual; SLA: skin lesion area; SCORAD: scoring atopic dermatitis; TEWL: transepithelial water loss
GTS: Conceptualization, Writing—original draft, Writing—review & editing. EAF and MM: Writing—original draft. KN: Writing—review & editing. SB: Conceptualization, Writing—review & editing, Supervision, Funding acquisition. All authors read and approved the submitted version.
The authors declare that they have no conflicts of interest.
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This research was funded by the South African Research Chairs Initiative of the Department of Science and Technology (DST) and the National Research Foundation (NRF) [47904] of South Africa. The NRF and the South African Research Chair in Cancer Biotechnology have provided bursaries to support students contributing to this work. The funders had no role in study design, data collection and analysis, decision to publish, or preparation of the manuscript.
© The Author(s) 2024.