Safety, tolerability, and impact on allergic inflammation of autologous E.coli autovaccine in the treatment of house dust mite asthma - a prospective open clinical trial
2011

E. coli Autovaccine for House Dust Mite Asthma

Sample size: 9 publication 10 minutes Evidence: moderate

Author Information

Author(s): Rose Markus, Weigand Bianca, Schubert Ralf, Schulze Johannes, Zielen Stefan

Primary Institution: Children's and Adolescents' Hospital, Goethe University

Hypothesis

Can autologous E. coli autovaccine reduce allergic inflammation in house dust mite asthma?

Conclusion

The autologous autovaccine treatment led to a reduction in exhaled nitric oxide levels, indicating decreased allergic inflammation.

Supporting Evidence

  • 101 episodes of local erythema were observed, indicating mild local reactions.
  • Median eNO levels increased significantly less after treatment compared to before.
  • No serious adverse events were reported during the study.

Takeaway

This study tested a vaccine made from a person's own E. coli to see if it helps with asthma caused by dust mites, and it showed some positive results.

Methodology

A prospective open trial with 9 subjects receiving 306 injections of an autologous E. coli autovaccine, measuring exhaled nitric oxide before and after treatment.

Potential Biases

Self-reported symptoms may introduce bias.

Limitations

Small sample size and potential type 2 errors due to limited applications.

Participant Demographics

9 subjects (6 females, 3 males), aged 18-50, with mild persistent house dust mite asthma.

Statistical Information

P-Value

0.034

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1186/1472-6882-11-45

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