Diagnostic value of exhaled breath analysis in an outpatient sleep laboratory

Diagnostic value of exhaled breath analysis in an outpatient sleep laboratory - eNose in an outpatient sleep laboratory

Status

Recruiting

Phases

Unknown

Study type

Interventional

Source

DRKS

Registry ID

DRKS00007819

Enrollment

360

Registered

2015-02-16

Start date

2015-03-09

Completion date

Unknown

Last updated

2025-04-07

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

G47.39

Interventions

Group 1: Single arm diagnostic study. All patients are diagnosed the same diagnostic pathway. Polygraphy serves as diagnostic standard (reference test), while the analysis of exhaled breath via eNose

Eligibility

Sex/Gender

All

Age

18 Years to No maximum

Inclusion criteria

Inclusion criteria: - To be examined in an sleep laboratory (any reason) - 18 years or older

Exclusion criteria

Exclusion criteria: - Withdrawal of informed consent

Design outcomes

Secondary

Measure	Time frame
Correlation between AHI and inflammatory markers in serum or pharyngeal washings	—

Primary

Measure	Time frame
Correlation between LDA (linear discriminant - value derived from eNose) and apopnoe/hypopnoe index	—

Countries

Germany

Contacts

Public ContactTimm Greulich

UKGM MarburgKIM SP Pneumologie

greulich@med.uni-marburg.de06421 - 5865078

Outcome results

None listed

Source: DRKS (via WHO ICTRP) · Data processed: Feb 4, 2026