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IgE and IgG4 Levels in Allergic Patients During Immunotherapy

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Abstract:

The IgG4 is the predominant antibody response in patients receiving chronic exposure to high doses of antigen, and this seems to be true for immunotherapy as well. The duration and the dose of immunotherapy (IT) seems to increase specific IgG4 levels, but this increase does not seem to be related to the clinical response, seasonal exposure, duration of disease, and IgE antibody levels. The measurement of IgE and IgG4 antibodies to allergens did not predict the clinical effect of immunotherapy in our study. However, it indicated that the patients were continuing to receive the allergenic extracts and that the extract used in vivo, although produced by a different manufacturer, was closely resembling the one used for coating plastic wells in the FAST assay. The increase of antibody titres demonstrate that long term monitoring of IT administration may be accomplished by these in vitro tests, although individual patients may exhibit different responses in time but similar clinical results. Longitudinal studies on a cohort of atopic subjects may help define more precisely doses and timings required to achieve useful indications on both compliance with IT injections and predictivity of its outcome.

Document Type: Research Article

DOI: https://doi.org/10.2500/108854187778999676

Publication date: 1987-11-01

More about this publication?
  • Allergy and Asthma Proceedings is a peer reviewed publication dedicated to distributing timely scientific research regarding advancements in the knowledge and practice of allergy, asthma and immunology. Its primary readership consists of allergists and pulmonologists.

    The goal of the Proceedings is to publish articles with a predominantly clinical focus which directly impact quality of care for patients with allergic disease and asthma.

    Featured topics include asthma, rhinitis, sinusitis, food allergies, allergic skin diseases, diagnostic techniques, allergens, and treatment modalities. Published material includes peer-reviewed original research, clinical trials and review articles.

    Articles marked "F" offer free full text for personal noncommercial use only.

    The journal is indexed in Thomson Reuters Web of Science and Science Citation Index Expanded, plus the National Library of Medicine's PubMed service.
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