CClinicalTrials.gg
CompletedNCT02761512Updated Aug 22, 2019

Study to Evaluate the Safety and Efficacy of CJ-12420 in Patients With Gastric Ulcer

A Phase 3 interventional study of CJ-12420 50 mg QD and CJ-12420 100 mg QD in Gastric Ulcer, sponsored by HK inno.N Corporation. Completed at 2 sites in Korea, Republic of. Open to participants aged 20 Years to 75 Years. Per ClinicalTrials.gov, last updated 2019-08-22.

Sponsored by HK inno.N Corporation · Phase 3, Interventional, and Treatment

Phase
Phase 3
Study type
Interventional
Enrollment
306
Allocation
Randomized
Ages
20 Years to 75 Years
Sex
All
01

Study summary

To demonstrate non-inferiority of CJ-12420 to lansoprazole 30 mg capsule in terms of therapeutic efficacy, and to confirm safety of CJ-12420, after once daily oral administration of CJ-12420 50 mg, 100 mg or Lansoprazole 30 mg capsule in gastric ulcer patients.

Read the detailed description

This is a double blind, randomized, placebo-controlled, phase 3 study. Subjects will be randomly assigned to one of the three treatment groups (CJ-12420 50 mg, 100 mg or Lansoprazole 30 mg).

02

Conditions studied

  • Gastric Ulcer
03

In context

Stomach Ulcer

112 studies on the registry are indexed under Stomach Ulcer; 13 are open to participants now.

This study's enrollment of 306 is above the median of 265 across 86 interventional studies indexed under Stomach Ulcer.

Browse Stomach Ulcer studies →

Lead sponsor

HK inno.N Corporation is the lead sponsor of 99 studies on the registry; 15 are open to participants now.

Counted across the registry records on this site, refreshed daily.

04

Who can participate

Ages eligible
20 Years to 75 Years
Sexes eligible
All
Accepts healthy volunteers
No

Inclusion criteria

  1. Diagnosis of 1 or more active gastric ulcers (≥3 mm \~ ≤30 mm using open biopsy forceps) according to the Sakita-Miwa classification (A1 or A2 stage) from upper GI endoscopy at the same institution within 14 days prior to initiation of the investigational product administration.

Exclusion criteria

Exclusion Criteria:

  1. Finding of gastrointestinal bleeding, esophageal stricture, ulcer stenosis, pyloric stenosis, esophageal gastric varices, Barrett's esophageal of >3 cm (long segment Barrett esophagus, LSBE), duodenal ulcer, intractable ulcer, digestive ulcer perforation or malignancy on upper GI endoscopy.
  2. Ulcer caused by an endoscopic surgery (e.g., ulcer after EMR/ESD)
  3. Requirement of persistent daily use of drugs that may cause an ulcer such as nonsteroidal anti-inflammatory drugs(NSAIDs) or aspirin during the course of the study
  4. Scheduled surgery requiring hospitalization or requirement of surgical treatment during study participation
  5. Subjects who participated in the other clinical trial within 4 weeks prior to randomization
05

Study design

Phase
Phase 3
Primary purpose
Treatment
Allocation
Randomized
Intervention model
Parallel assignment
Masking
Quadruple (Participant, Care provider, Investigator, Outcomes assessor)
Enrollment
306 participants (actual)

Study arms

  • Experimental
    CJ-12420 50 mg QD

    CJ-12420 50 mg, tablet, once daily, oral administration for up to 8 weeks

    Drug: CJ-12420 50 mg QD

  • Experimental
    CJ-12420 100 mg QD

    CJ-12420 100 mg, tablet, once daily, oral administration for up to 8 weeks

    Drug: CJ-12420 100 mg QD

  • Active comparator
    Lansoprazole 30 mg QD

    Lansoprazole 30 mg, capsule, once daily, oral administration for up to 8 weeks

    Drug: Lansoprazole 30 mg QD

Interventions

  • DrugCJ-12420 50 mg QD

    CJ-12420 50 mg tablets will be orally administered, once daily, for up to 8 weeks. For subjects whose gastric ulcer is not endoscopically healed(S1 or S2 stage) at Week 4, subjects will receive additional 4 weeks treatment of CJ-12420 50 mg.

    Also known as: Not yet decided

  • DrugCJ-12420 100 mg QD

    CJ-12420 100 mg tablets will be orally administered, once daily, for up to 8 weeks. For subjects whose gastric ulcer is not endoscopically healed(S1 or S2 stage) at Week 4, subjects will receive additional 4 weeks treatment of CJ-12420 100 mg.

    Also known as: Not yet decided

  • DrugLansoprazole 30 mg QD

    Lansoprazole 30 mg capsule will be orally administered, once daily, for up to 8 weeks. For subjects whose gastric ulcer is not endoscopically healed(S1 or S2 stage) at Week 4, subjects will receive additional 4 weeks treatment of Lansoprazole 30 mg.

    Also known as: Lanston cap.

06

What researchers measure

Primary outcomes

  1. Cumulative healing rate of gastric ulcer at 8-week

    Time frame: 8 weeks

Secondary outcomes

  1. Healing rate of gastric ulcer at 4-week

    Time frame: 4 weeks

  2. Week 8 healing rates by H. pylori infection

    Time frame: 8 weeks

07

Study locations

2 sites
  • Catholic Univ. Seoul St. Mary Hospita
    Seoul, Korea, Republic of
  • Kyung Hee University Medical Center
    Seoul, Korea, Republic of
08

References and documents

Individual participant data

Plan to share: No

No publications or documents are linked to this record.

09

Updates

Tracking since Sep 25, 2026
No changes since tracking began. The registry record was last updated on Aug 22, 2019, before this site started recording changes on Sep 25, 2026. Its history is on ClinicalTrials.gov ↗
10

Registry details

Key details

Study ID
NCT02761512
Lead sponsor
HK inno.N Corporation
Responsible party
Sponsor
First posted
May 4, 2016
Start date
May 2016
Primary completion
Jul 26, 2018
Completion
Dec 28, 2018
Last update
Aug 22, 2019

Study contacts

Myung Gyu Choi, M.D., Ph.D
principal investigator · Catholic Univ. Seoul St. Mary Hospital

Oversight

Data monitoring committee
No
View the source record on ClinicalTrials.gov ↗

Not currently enrolling

This study is completed, as verified in Apr 2018. You cannot join it, but the record below documents what was studied.

Follow this study

Get an email when the registry record changes — status, dates, results — or when someone posts here.

Sign in to follow

Discussion

Questions and observations about this study, from anyone following it. Not medical advice, and not a channel to the study team — their contact details are on the registry record.

Sign in to join the discussion. Reading takes no account; posting does. You choose a display name, and a pseudonym is the default.

Nothing here yet. If you are running this trial, taking part in it, or weighing whether to, this is the place to say so.

Start the discussion