NCT06292546

Brief Summary

The aim of this study was to evaluate the effects of High-dose Dual therapy combined with probiotics on the gut microbiota for Helicobacter pylori rescue treatment.

Trial Health

87
On Track

Trial Health Score

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

Enrollment
72

participants targeted

Target at P50-P75 for not_applicable

Timeline
Completed

Started Jan 2024

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

January 31, 2024

Completed
19 days until next milestone

First Submitted

Initial submission to the registry

February 19, 2024

Completed
15 days until next milestone

First Posted

Study publicly available on registry

March 5, 2024

Completed
10 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

December 30, 2024

Completed
2 months until next milestone

Study Completion

Last participant's last visit for all outcomes

February 28, 2025

Completed
Last Updated

May 13, 2025

Status Verified

May 1, 2025

Enrollment Period

11 months

First QC Date

February 19, 2024

Last Update Submit

May 10, 2025

Conditions

Keywords

Helicobacter pyloriEradicationVonoprazanAmoxicillinGut microbiota

Outcome Measures

Primary Outcomes (1)

  • Gut Microbiota

    Diversity and Compositional Analysis of Gut Microbiota is tested by Metagenomics.

    day 0, day 44 (or 58), day 104 (or 118)

Secondary Outcomes (5)

  • Fecal Metabolites

    day 0, day 44 (or 58), day 104 (or 118)

  • Eradication rate

    day 44 or day 58

  • Frequency of the adverse events

    day 44 or day 58

  • Compliance rate of the drugs

    day 44 or day 58

  • Small intestinal bacterial overgrowth

    day 0, day 44 (or 58), day 104 (or 118)

Study Arms (4)

Group A

EXPERIMENTAL

vonoprazan 20 mg bid + amoxicillin 0.75 g qid for 14 days, followed by 2 doses of bacillus subtilis enteric-coated capsules for 14 days.

Drug: VonoprazanDrug: AmoxicillinDrug: Bacillus subtilis enteric-coated capsules

Group B

EXPERIMENTAL

vonoprazan 20 mg bid + amoxicillin 0.75 g qid+ 2 doses of bacillus subtilis enteric-coated capsules for 14 days.

Drug: VonoprazanDrug: AmoxicillinDrug: Bacillus subtilis enteric-coated capsules

Group C

EXPERIMENTAL

2 doses of bacillus subtilis enteric-coated capsules for 14 days, followed by vonoprazan 20 mg bid + amoxicillin 0.75 g qid for 14 days.

Drug: VonoprazanDrug: AmoxicillinDrug: Bacillus subtilis enteric-coated capsules

Group D

ACTIVE COMPARATOR

vonoprazan 20 mg bid + amoxicillin 0.75 g qid for 14 days.

Drug: VonoprazanDrug: Amoxicillin

Interventions

Group A: vonoprazan 20 mg bid + amoxicillin 0.75 g qid for 14 days, followed by 2 doses of bacillus subtilis enteric-coated capsules for 14 days. Group B: vonoprazan 20 mg bid + amoxicillin 0.75 g qid+ 2 doses of bacillus subtilis enteric-coated capsules for 14 days. Group C: 2 doses of bacillus subtilis enteric-coated capsules for 14 days, followed by vonoprazan 20 mg bid + amoxicillin 0.75 g qid for 14 days. Group D: vonoprazan 20 mg bid + amoxicillin 0.75 g qid for 14 days.

Group AGroup BGroup CGroup D

Group A: vonoprazan 20 mg bid + amoxicillin 0.75 g qid for 14 days, followed by 2 doses of bacillus subtilis enteric-coated capsules for 14 days. Group B: vonoprazan 20 mg bid + amoxicillin 0.75 g qid+ 2 doses of bacillus subtilis enteric-coated capsules for 14 days. Group C: 2 doses of bacillus subtilis enteric-coated capsules for 14 days, followed by vonoprazan 20 mg bid + amoxicillin 0.75 g qid for 14 days. Group D: vonoprazan 20 mg bid + amoxicillin 0.75 g qid for 14 days.

Group AGroup BGroup CGroup D

Group A: vonoprazan 20 mg bid + amoxicillin 0.75 g qid for 14 days, followed by 2 doses of bacillus subtilis enteric-coated capsules for 14 days. Group B: vonoprazan 20 mg bid + amoxicillin 0.75 g qid+ 2 doses of bacillus subtilis enteric-coated capsules for 14 days. Group C: 2 doses of bacillus subtilis enteric-coated capsules for 14 days, followed by vonoprazan 20 mg bid + amoxicillin 0.75 g qid for 14 days. Group D: vonoprazan 20 mg bid + amoxicillin 0.75 g qid for 14 days.

Group AGroup BGroup C

Eligibility Criteria

Age18 Years - 65 Years
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • Age from 18 to 65 years;
  • H.pylori infection diagnosed by 13C-urea breath test;
  • A period of more than two months since the last eradication therapy for H. pylori;
  • Patients who had previously failed 2 or more eradication regimens.

You may not qualify if:

  • Allergy to any of the medications;
  • Zollinger-Ellison syndrome, GC, Upper gastrointestinal bleeding, or Active peptic ulcer;
  • Coexistence of significant concomitant illnesses, including heart disease, renal failure, hepatic disease, previous abdominal surgery, lactation, or pregnancy;
  • Patients who had used probiotics, vonoprazan, and antibiotics in the past 12 weeks;
  • Unwillingness to participate in this study.

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Zhongshan Hospital (Xiamen), Fudan University

Xiamen, Fujian, 361015, China

Location

Related Publications (1)

  • Hu Y, Xu X, Ouyang YB, He C, Li NS, Xie C, Peng C, Zhu ZH, Shu X, Xie Y, Lu NH, Zhu Y. Altered Gut Microbiota and Short-Chain Fatty Acids After Vonoprazan-Amoxicillin Dual Therapy for Helicobacter pylori Eradication. Front Cell Infect Microbiol. 2022 Jun 2;12:881968. doi: 10.3389/fcimb.2022.881968. eCollection 2022.

MeSH Terms

Interventions

1-(5-(2-fluorophenyl)-1-(pyridin-3-ylsulfonyl)-1H-pyrrol-3-yl)-N-methylmethanamineAmoxicillin

Intervention Hierarchy (Ancestors)

AmpicillinPenicillin GPenicillinsbeta-LactamsLactamsAmidesOrganic ChemicalsSulfur CompoundsHeterocyclic Compounds, 2-RingHeterocyclic Compounds, Fused-RingHeterocyclic Compounds

Study Officials

  • Yucheng Zhu, Ph.D.

    Zhongshan Hospital (Xiamen), Fudan University

    PRINCIPAL INVESTIGATOR

Study Design

Study Type
interventional
Phase
not applicable
Allocation
RANDOMIZED
Masking
NONE
Purpose
TREATMENT
Intervention Model
PARALLEL
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Deputy Chief Physician

Study Record Dates

First Submitted

February 19, 2024

First Posted

March 5, 2024

Study Start

January 31, 2024

Primary Completion

December 30, 2024

Study Completion

February 28, 2025

Last Updated

May 13, 2025

Record last verified: 2025-05

Data Sharing

IPD Sharing
Will not share

We may balance the potential benefits and risks for each request and then provide the data that could be shared.

Locations