NCT02767479

Brief Summary

Patients infected with H. pylori are treated with rabeprazole 10 mg bid, AMPC 750 mg bid and CAM 200 mg bid or esomeprazole 20 mg bid, AMPC 750 mg bid and CAM 200 mg bid. Eradication rates are compared. Patients who have ever failed in eradication by CAM-based regimen are treated with rabeprazole 10 mg bid, AMPC 750 mg bid and MNZ 250 mg bid or esomeprazole 20 mg bid, AMPC 750 mg bid and MNZ 250 mg bid.

Trial Health

87
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
200

participants targeted

Target at P25-P50 for phase_3

Timeline
Completed

Started Jul 2012

Typical duration for phase_3

Geographic Reach
1 country

1 active site

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Start

First participant enrolled

July 1, 2012

Completed
2.4 years until next milestone

First Submitted

Initial submission to the registry

December 10, 2014

Completed
1.3 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

April 1, 2016

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

April 1, 2016

Completed
1 month until next milestone

First Posted

Study publicly available on registry

May 10, 2016

Completed
Last Updated

June 22, 2017

Status Verified

June 1, 2017

Enrollment Period

3.8 years

First QC Date

December 10, 2014

Last Update Submit

June 20, 2017

Conditions

Keywords

eradication ratesrabeprazoleesomeprazole

Outcome Measures

Primary Outcomes (3)

  • Eradication rates of H. pylori

    Success or failure eradication of H. pylori was judged based on the 13C-urea breath test performed 1 month after the treatment.

    At 4 weeks after treatment

  • influence of CYP2C19 genotypes on the eradication rates of H. pylori

    influence of CYP2C19 genotypes on the eradication rates of H. pylori are analyzed. CYP2C19 genotypes are classified to the three groups, rapid metabolizer (RM), intermiediate metabolizer (IM) and Poor metabolizer (PM). Because esomperazole is metabolized by CYP2C19, the effects of esomeprazole is influenced by genotypes of CYP2C19. The eradication rates in RMs, IMs and PMs are compared.

    At 4 weeks after treatment

  • Influences of susceptibility of H. pylori strains to clarithromycin (CAM) on the eradication rates of H. pylori

    Influences of susceptibility to clarithromycin on eradication rates of H. pylori are analyzed.

    At 4 weeks after treatment

Study Arms (2)

rabeprazole group

ACTIVE COMPARATOR

rabeprazole-based regimen. This group is treated with rabeprazole 10 mg bid, AMPC 750 mg bid and CAM 200 mg bid for 1 week. Success or Failure of eradication of H. pylori is assessed by 13C-UBT 1 month after the treatment.

Drug: rabeprazole-based regimen

esomeprazole group

ACTIVE COMPARATOR

'esomeprazole\^based regimen. This group is treated with esomeprazole 20 mg bid , AMPC 750 mg bid and CAM 200 mg bid for 1 week. Success or Failure of eradication of H. pylori is assessed by 13C-UBT 1 month after the treatment.

Drug: esomeprazole^based regimen

Interventions

This group is treated with rabeprazole 10 mg bid, AMPC 750 mg bid and CAM 200 mg bid for 1 week. Success or Failure of eradication of H. pylori is assessed by 13C-UBT 1 month after the treatment.

Also known as: RAC
rabeprazole group

This group is treated with esomeprazole 20 mg bid , AMPC 750 mg bid and CAM 200 mg bid for 1 week. Success or Failure of eradication of H. pylori is assessed by 13C-UBT 1 month after the treatment.

Also known as: EAC
esomeprazole group

Eligibility Criteria

Sexall
Healthy VolunteersNo
Age GroupsChild (0-17), Adult (18-64), Older Adult (65+)

You may qualify if:

  • Patients infected with H. pylori who can undergo the eradication therapy

You may not qualify if:

  • Patients with severe other disorders, cannot undergo eradication therapy, refuses to participate to the study.

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Hamamatsu University School of Medicine

Hamamatsu, Shizuoka, 431-3192, Japan

Location

Study Design

Study Type
interventional
Phase
phase 3
Allocation
RANDOMIZED
Masking
NONE
Purpose
TREATMENT
Intervention Model
PARALLEL
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Professor

Study Record Dates

First Submitted

December 10, 2014

First Posted

May 10, 2016

Study Start

July 1, 2012

Primary Completion

April 1, 2016

Study Completion

April 1, 2016

Last Updated

June 22, 2017

Record last verified: 2017-06

Locations