Study on the radial localization of gastroesophageal acid exposure in the distal esophagus by fixing a novel 8-channel pH sensor catheter to the esophageal wall among healthy subjects and patients with gastroesophageal reflux disease

Study on the radial localization of gastroesophageal acid exposure in the distal esophagus by fixing a novel 8-channel pH sensor catheter to the esophageal wall among healthy subjects and patients with gastroesophageal reflux disease - Study on radial localization of gastroesophageal acid reflux

Status

Active, not recruiting

Phases

Unknown

Study type

Observational

Source

JPRN

Registry ID

JPRN-UMIN000006130

Enrollment

Registered

2011-08-08

Start date

2011-09-01

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

gastroesophageal reflux disease

Interventions

None listed

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: 1)Healthy volunteers and patients with gastroesophageal reflux disease more than 18 years-old 2)Subjects with written informed consent

Exclusion criteria

Exclusion criteria: 1)Allegy for lidocaine 2)Past history of gastrectomy 3)The person who catch a clinically improper disease before study starting within 2 weeks 4)Severe diseases in heart, kidney, liver, nerve, digestive system,or severe mental disorder 5)other not applicable person recognized by a doctor

Design outcomes

Primary

Measure	Time frame
Percent time at pH <4, number of acid reflux episodes and acid clearance time obtained by intraesophageal pH monitoring during the 3-hour post-prandial period	—

Countries

Japan

Contacts

Public ContactKenji Furuta

Shimane University School of Medicine Gastroenterology and Hepatology

kfuruta@med.shimane-u.ac.jp0853-20-2190

Outcome results