Correlation between digestive disease and hydrogen concentration in breath

Correlation between digestive disease and hydrogen concentration in breath - Digestive disease and hydrogen concentration in breath

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000020777

Enrollment

300

Registered

2016-03-15

Start date

2016-04-01

Completion date

Unknown

Last updated

2026-06-29

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

Conditions

Digestive disease

Interventions

expiration gas measurement biopsy(for patient needs gastrointestinal endoscopy) period:1 time:1 frequency:1

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Hospitalized patient and outpatient who receive gastrointestinal examination in Nagoya University Hospital.

Exclusion criteria

Exclusion criteria: Patients who reject to participate in this study Patients whom the investigator considers inappropriate for entry into the trial.

Design outcomes

Primary

Measure	Time frame
Correlation between digestive disease and hydrogen concentration in breath by thermoelectric sensor.	—

Secondary

Measure	Time frame
1) Component analysis of expiratory noble gases. 2) Differences in microbiota according to the disease and region. 3) Determination of specific concentration of expiratory hydrogen gas according to the disease. 4) Changes of expiratory hydrogen gas according to disease progression. 5) Correlation between expiratory noble gases in the exhaled air and gut microbiota, digestive diseases.	—

Countries

Japan

Contacts

Public ContactEizaburo Ohno

Nagoya University Hospital Department of Gastroenterology and Hepatology

eono@med.nagoya-u.ac.jp+81-52-744-2602

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026