Recent Updates
Recently added Catalysts

D961H

Phase 3

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

D961H development status

Highest phase Phase 3
Registered trials 2 across 1 sponsor since Jun 2009

Success Probability

Subscribe to view

Market & Valuation

Subscribe to view

Trial Design

CONTROLLED
Total Trials1
Total Enrollment50

FDA Designations

No designations recorded

D961H clinical trials

D961H · 1 trial · 3 indications

Phase 3 1
NCT03553563A Study of Esomeplazole (D961H) in Japanese Paediatric Patients With Reflux Esophagitis, Gastric Ulcer or Duodenal UlcerReflux Esophagitis
COMPLETED50 Analytics
PHASE3COMPLETED
A Study of Esomeplazole (D961H) in Japanese Paediatric Patients With Reflux Esophagitis, Gastric Ulcer or Duodenal Ulcer
Reflux EsophagitisUnlock trial analytics

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 to 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

Frequently asked questions about D961H

What is D961H?

D961H is an investigational small molecule developed by AstraZeneca PLC (ticker AZN) for reflux esophagitis and related upper gastrointestinal conditions. It is also known as D961H capsule 10mg. The program is in Phase 3 development, and the drug has been studied in Japanese pediatric patients.

What is D961H used for?

D961H is being developed for reflux esophagitis, and it has also been studied in gastric ulcer and duodenal ulcer. The clinical program focuses on Japanese pediatric patients with these gastrointestinal conditions. It remains investigational and is not approved for commercial use.

Who makes D961H?

D961H is developed by AstraZeneca PLC, which trades under the ticker AZN. AstraZeneca is the sponsor of the clinical program evaluating D961H in reflux esophagitis and related gastrointestinal conditions.

What phase is D961H in?

D961H is in Phase 3 development. One Phase 3 trial has been completed, and no trials are currently active. The completed study enrolled 50 patients in Japan. D961H is investigational and has not been approved by the FDA.

What clinical trials is D961H in?

D961H has been evaluated in one completed Phase 3 trial, NCT03553563, titled A Study of Esomeplazole (D961H) in Japanese Paediatric Patients With Reflux Esophagitis, Gastric Ulcer or Duodenal Ulcer. The trial enrolled 50 participants in Japan and included patients aged 1 year and older.