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Identification of volatile organic compounds that specify severe asthma phenotypes in Japa

Not Applicable
Conditions
Asthma
Registration Number
JPRN-UMIN000041913
Lead Sponsor
ational Hospital Organization Tokyo National Hospital
Brief Summary

GC/MS detected 243 VOCs, and 142 frequently detected VOCs were used for statistical analyses. Cluster analysis showed the highest similarities between clusters 3 and 4 (early-onset clusters), followed by the similarities between clusters 1 and 2 (late-onset clusters). Comparisons between clusters 1- 5 and HC revealed 19 VOCs, in which only methanesulfonic anhydride showed p < 0.05 adjusted by false discovery rate. Comparison of these clusters yielded several VOCs showing different trends (p < 0.05).

Detailed Description

Not available

Recruitment & Eligibility

Status
Complete: follow-up complete
Sex
All
Target Recruitment
245
Inclusion Criteria

Not provided

Exclusion Criteria

1)As a result of medical interview, physical examination or investigation, the physician responsible considers the subject unfit for the study.

Study & Design

Study Type
Observational
Study Design
Not specified
Primary Outcome Measures
NameTimeMethod
Secondary Outcome Measures
NameTimeMethod
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