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A Phase 3 Double-Blind Study of TAK-438 (10 mg or 20 mg) in the Treatment of Non-Erosive Gastroesophageal Reflux Disease

A Phase 3, Randomized, Double Blind, Placebo Control, Multicenter Study to Evaluate the Efficacy and Safety of TAK- 438 (10 and 20 mg Once-Daily) in Patients with Non-Erosive Gastroesophageal Reflux Disease.

Status
Unknown
Phases
Phase 3
Study type
Interventional
Source
JPRN
Registry ID
JPRN-jRCT2080221622
Enrollment
840
Registered
2011-10-17
Start date
2011-10-17
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

Non-erosive gastroesophageal reflux disease

Interventions

Sponsors

TAKEDA PHARMACEUTICAL COMPANY LTD.
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: 1.Participants with grade N or M in the modified LA classification system confirmed by endoscopy at initiation of the pre-observation period (VISIT 1). 2.Participants with repeated acid reflux symptoms (heartburn or regurgitation) for 2 days or more in one week in the 3 weeks before initiation of the pre-observation period (VISIT 1). 3.Participants with severity of moderate or higher for acid reflux symptoms (heartburn or acid reflux) in the 3 weeks before initiation of the pre-observation period (VISIT 1) 4.Outpatients (hospitalization for testing possible)

Exclusion criteria

Exclusion criteria: 1.Participants with an esophagus-related complication [Barrett's esophagus (3 cm or more, LSBE), eosinophilic esophagitis, esophageal varices, scleroderma, viral or fungal infections, esophageal stenosis, etc.], or a history of radiotherapy or cryotherapy of the esophagus, a caustic or physiochemical trauma (esophageal sclerotherapy, etc.). However, participants with Barrett's esophagus (less than 3 cm, SSBE) or Schatzki's ring (mucosal tissue ring around inferior esophageal sphincter) are allowed to be included. 2.Participants who have received surgery or treatment affecting gastroesophageal reflux (cardioplasty, dilation of esophageal stenosis [excluding Schatzki's ring], etc.), or who have a history of surgery of stomach or duodenum (excluding removal of benign polyp under endoscopy) 3.Participants with acute upper gastrointestinal bleeding, gastric ulcers (mucosal defects associated with white coating) or duodenal ulcers (mucosal defects associated with white coating) within 30 days before initiation of the pre-observation period (VISIT 1). However, participants with gastric or duodenal erosions are allowed to be included. 4.Participants with acute gastritis or acute exacerbation of chronic gastritis as a complication 5.Participants with a previous or current history of the Zollinger-Ellison syndrome or other gastric acid hypersecretion disorders 6.Participants with a previous or current history of chest pain due to heart disease or with chest pains suspected of being caused by heart disease within one year before initiation of the pre-observation period (VISIT 1)

Design outcomes

Primary

MeasureTime frame
"Heartburn" symptoms in 4 weeks of treatment Heartburn symptoms will be collected by participant diaries. Percentage of symptom-free days, cumulative symptom improvement rate, and severity of heartburn are evaluation parameters.

Secondary

MeasureTime frame
Primary endpoint stratified by Week 2 improvement Primary endpoint stratified by endoscopic findings (grade N or M) Primary endpoint stratified by Week 2 improvement and endoscopic findings (grade N or M)

Outcome results

None listed

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