Interferon Gamma Responses in Children Evaluated for Tuberculosis
Author Information
Author(s): Herrmann Jean-Louis, Belloy Marie, Porcher Raphael, Simonney Nancy, Aboutaam Rola, Lebourgeois Muriel, Gaudelus Joel, De LosAngeles Laure, Chadelat Katarina, Scheinmann Pierre, Beydon Nicole, Fauroux Brigitte, Bingen Martine, Terki Mustapha, Barraud Dominique, Cruaud Philippe, Offredo Catherine, Ferroni Agnes, Berche Patrick, Moissenet Didier, Vuthien Hoang, Doit Catherine, Bingen Edouard, Lagrange Philippe Henri
Primary Institution: Assistance Publique Hôpitaux de Paris
Hypothesis
The study aims to evaluate the performance of IGRA in diagnosing and monitoring treatment of latent tuberculosis infection and active TB in French children.
Conclusion
The study found that IFNγ responses increased after 10 days of treatment in children with latent TB or active TB, indicating its potential for confirming diagnosis and monitoring therapy.
Supporting Evidence
- Children with latent TB and active TB showed significant increases in IFNγ levels after 10 days of treatment.
- IFNγ values were significantly lower at the end of treatment compared to day 0.
- 91% of the children were BCG vaccinated, indicating a high level of prior exposure to TB vaccination.
Takeaway
The study shows that a blood test can help doctors see how well children are responding to tuberculosis treatment, which is important for their health.
Methodology
A prospective multicenter study was conducted with children sampled at multiple time points to measure IFNγ responses during treatment.
Potential Biases
Potential bias due to the study being conducted in a single geographic area with specific demographic characteristics.
Limitations
The study was limited to a specific region in France and may not be generalizable to other populations.
Participant Demographics
Median age of participants was 7.4 years, with 91% being BCG vaccinated and 69% born in France.
Statistical Information
P-Value
0.035
Statistical Significance
p=0.035
Digital Object Identifier (DOI)
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