Recent Updates
Recently added Catalysts

D961H

Phase 3

Reflux Esophagitis | Small molecule | Gastrointestinal |AstraZeneca PLC|Last Updated: Mar 4, 2026

Success Probability
Approval Probability 71%
TA Base Rate26%
Adjusted LOA41%
ML RiskLOW_RISK
Premium
Market & Valuation
rNPV $3.2B
Market Size $9.4B
Revenue Basis $1.6B
Competitors 6
Premium
Trial Design
CONTROLLEDBiomarker
Total Trials1
Total Enrollment50
FDA Designations
No designations recorded
Clinical Trials (1)
NCT IDTitlePhaseStatusEnrollmentVelocityDesignStartCompletionLast UpdatedSitesCountries
NCT03553563A Study of Esomeplazole (D961H) in Japanese Paediatric Patients With Reflux Esophagitis, Gastric Ulcer or Duodenal UlcerPHASE3 COMPLETED 50Jul 24, 2018Dec 27, 2022Mar 4, 202615 Japan
Unlock Drug Trial Details
Study Endpoints
Primary Endpoints
Presence/Absence of Reflux Esophagitis Relapse
8 to 32 weeks

Maintenance therapy for healed reflux esophagitis study part: Presence/absence of reflux esophagitis relapse from 8 to 32 weeks for all participants by assessment of the composite endpoint (reflux esophagitis -related symptoms or optional esophagogastroduodenoscopy findings) during the maintenance therapy.

Presence/Absence of Gastric Ulcer or Duodenal Ulcer Recurrence
0 to 32 weeks

Prevention of gastric ulcer or duodenal ulcer recurrence associated with long term non-steroidal anti-inflammatory drugs or low-dose aspirin therapy study part: Presence/absence of gastric ulcer or duodenal ulcer recurrence from 0 to 32 weeks for all participants by assessment of the composite endpoint (gastric ulcer or duodenal ulcer-related symptoms or optional esophagogastroduodenoscopy findings) during the prevention therapy.

Adverse Events During Reflux Esophagitis Maintenance Therapy
8 to 32 weeks

Maintenance therapy for healed reflux esophagitis study part: Safety from 8 to 32 weeks for all participants. Number of participants with any adverse event during the period.

Adverse Events During Gastric Ulcer or Duodenal Ulcer Recurrence Prevention Therapy
0 to 32 weeks

Prevention of gastric ulcer or duodenal ulcer recurrence associated with long term non-steroidal anti-inflammatory drugs or low-dose aspirin therapy study part: Safety from 0 to 32 weeks for all participants. Number of participants with any adverse event during the period.

Secondary Endpoints
Presence/Absence of Reflux Esophagitis Relapse
8 to 52 weeks
Presence/Absence of Gastric Ulcer or Duodenal Ulcer Recurrence
0 to 52 weeks
Adverse Events During Reflux Esophagitis Maintenance Therapy
8 to 52 weeks
Unlock Study Endpoints
Study Design & Arms
AllocationNON_RANDOMIZED
MaskingNONE
ModelPARALLEL
PurposePREVENTION
Treatment Arms
ArmTypeDescription
Group1EXPERIMENTALInitial healing phase (8 weeks), D961H 10 mg once-daily; Maintenance phase (24 or 44 weeks), D961H 10 mg once-daily
Group2EXPERIMENTALInitial healing phase (8 weeks), D961H 20 mg once-daily; Maintenance phase (24 or 44 weeks) starts with D961H 10 mg once-daily and may be increased to 20 mg once-daily based on investigator's discretion
Group3EXPERIMENTALD961H 10 mg once-daily (32 or 52 weeks)
Group4EXPERIMENTALD961H starts with 10 mg once-daily, and may be increased to 20 mg once-daily based on investigator's discretion (32 or 52 weeks)
Interventions
NameTypeDescription
D961H capsule 10mgDRUGAll Groups can select either capsule or sachet during the study.
D961H sachet 10mgDRUGAll Groups can select either capsule or sachet during the study.
Unlock Study Design Details
Eligibility Criteria
Age Range1 Year — 14 Years
SexALL
Healthy VolunteersNo
Study Sites15

Inclusion Criteria: For healed reflux esophagitis study * Endoscopically verified reflux esophagitis, Grade A or higher according to the Los Angels classification as judged by central evaluation committee. For prevention of gastric ulcer or duodenal ulcer recurrence study * Patients with documen...

Countries:Japan
Unlock Eligibility Criteria
Recent Changes (Last 90 Days)
MEDIUMApr 8, 2026NCT03553563TRIAL_REMOVED: changed
MEDIUMApr 8, 2026NCT03553563TRIAL_REMOVED: changed