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A multicenter, open-label trial of C13-CAC breath test in proton pump inhibitor resistant gastroesophageal reflux disease patients

A multicenter, open-label trial of C13-CAC breath test in proton pump inhibitor resistant gastroesophageal reflux disease patients

Status
Active, not recruiting
Phases
Phase 2
Study type
Interventional
Source
JPRN
Registry ID
JPRN-jRCT2080223657
Enrollment
100
Registered
2017-09-15
Start date
2017-10-31
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

investigational material(s) Generic name etc : Calcium Carbonate (13C) INN of investigational material : - Therapeutic category code : 729 Other diagnostic agents (except extracorporeal diagnostic med

Sponsors

Otsuka Pharmaceutical Co., Ltd.
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: 1) PPI resistant gastroesophageal reflux disease patients who have been judged to require additional treatment to improve their symptoms by investigator or subinvestigator. 2) Japanese

Exclusion criteria

Exclusion criteria: 1) Patients suspected to have hypothyroidism or hyperparathyroidism. 2) Patients with hypercalcemia. 3) Patients with a history of gastric or duodenal surgery. 4) Patients who have received the eradication therapy of Helicobacter pylori within six months prior to participation of the study. 5) Patients with a prior or current history of Zollinger-Ellison syndrome. 6) Patients with a history of surgery or treatment affecting gastroesophageal reflux. 7) Patients who have been diagnosed with acute upper gastrointestinal bleeding or active gastric or duodenal ulcer within 30 days prior to participation of the study. 8) Patients with serious central nervous system disorders, cardiovascular disease, pulmonary disease, hepatic disease, renal disease, metabolic disease, gastrointestinal disorders, urinary disorders, endocrine disease, or blood dyspraxia. 9) Patients scheduled for surgery requiring hospitalization or required surgery during the study period. 10) Patients who have had either a prior or current history of chest pain due to heart disease or with chest pain suspected to have caused by heart disease within one year prior to participation of the study.

Design outcomes

Primary

MeasureTime frame
efficacy 13CO2 concentration in expired air

Secondary

MeasureTime frame
efficacy Gastric pH

Countries

Japan

Outcome results

None listed

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