Trial reportJournal of clinical immunology2009
Clinico-immunologic study on immunotherapy with mixed and single insect allergens.
Trial report in Journal of clinical immunology, 2009. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.
Who cites it
1 citing paper in PubMed.
- Guidelines for diagnosis and management of bronchial asthma: Joint ICS/NCCP (I) recommendations.Lung India : official organ of Indian Chest Society · 2015Article
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
4 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundImmunotherapy (IT) is practiced mainly with mixed and single allergen vaccines. But studies are rare with mixed allergen preparations.
objectiveThe objective of this study is to study mix and single insect allergen IT in patients of allergic rhinitis and asthma.
methodsWe performed a double-blind placebo-controlled trial of mix and single allergen IT for 1 year in 99 patients of asthma or rhinitis or both. There were two groups, (1) active allergen IT (n = 61) with three subgroups single insect extract (cockroach, housefly, or mosquito) and mix allergen IT (two or three insect extracts) and (2) placebo (n = 38). Clinical (skin reactivity, airway reactivity, and symptom score) and immunological (IgE/IgG4 and IgG1/IgG4 ratio) parameters were assessed at baseline and after 1 year of IT.
resultsEighty-five patients completed 1 year of IT. The active allergen IT group patients showed a significant improvement compared to baseline values (p < 0.05) and placebo group patients (p < 0.05) with regard to symptom scores, FEV1 values, and immunological parameters (IgG4). No significant difference was found between mixed and single IT group patients for changes in clinical and immunological parameters. Positive correlation was observed between increase in IgG4 and clinical improvement. The changes in above parameters in placebo group were nonsignificant after 1 year of treatment.
conclusionIT with two to three mix extract from the same allergen group is effective for insect hypersensitivity.
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Registered trials
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