NCT06777732

Brief Summary

The purpose of this study was to compare the efficacy of 14-day eradication of Helicobacter pylori with different doses of Keverprazan combined with Amoxicillin dual therapy and Keverprazan-based bismuth quadruple therapy and compare the adverse reactions, compliance, and factors affecting the efficacy of eradication schemes among different groups.

Trial Health

35
At Risk

Trial Health Score

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

Trial has exceeded expected completion date
Enrollment
672

participants targeted

Target at P75+ for early_phase_1

Timeline
Completed

Started Mar 2025

Shorter than P25 for early_phase_1

Status
not yet recruiting

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

First Submitted

Initial submission to the registry

January 10, 2025

Completed
6 days until next milestone

First Posted

Study publicly available on registry

January 16, 2025

Completed
1 month until next milestone

Study Start

First participant enrolled

March 1, 2025

Completed
6 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

September 1, 2025

Completed
4 months until next milestone

Study Completion

Last participant's last visit for all outcomes

January 1, 2026

Completed
Last Updated

January 16, 2025

Status Verified

December 1, 2024

Enrollment Period

6 months

First QC Date

January 10, 2025

Last Update Submit

January 15, 2025

Conditions

Outcome Measures

Primary Outcomes (1)

  • Adverse event

    Adverse drug reactions are classified into six types: dose-related, non-dose-related, dose-related and time-related, time-related, withdrawal, and failure of therapy.

    Within 7 days after completion of therapy

Secondary Outcomes (1)

  • Helicobacter pylori eradication rate

    four to six weeks after completion of the medication

Study Arms (3)

standard dose keverprazan with high dose amoxicillin group

ACTIVE COMPARATOR

Keverprazan Hydrochloride Tablets 20mg bid and Amoxicillin 1000mg tid for 14 days

Drug: KeverprazanDrug: Amoxicillin

low dose keverprazan with high dose amoxicillin group

EXPERIMENTAL

Keverprazan Hydrochloride Tablets 10mg bid and Amoxicillin 1000mg tid for 14 days

Drug: KeverprazanDrug: Amoxicillin

Keverprazan-based bismuth quadruple therapy

EXPERIMENTAL

Keverprazan Hydrochloride Tablets 20mg bid and Amoxicillin 1000mg bid and Furazolidone 100mg bid and Colloidal Bismuth Pectin 300mg bid for 14 days

Drug: KeverprazanDrug: AmoxicillinDrug: FurazolidoneDrug: Colloidal Bismuth Pectin

Interventions

Potassium-competitive acid blocker

Keverprazan-based bismuth quadruple therapylow dose keverprazan with high dose amoxicillin groupstandard dose keverprazan with high dose amoxicillin group

Antibiotic for H. pylori eradication

Keverprazan-based bismuth quadruple therapylow dose keverprazan with high dose amoxicillin groupstandard dose keverprazan with high dose amoxicillin group

Antibiotic for H. pylori eradication

Keverprazan-based bismuth quadruple therapy

Gastric mucosal protectant

Keverprazan-based bismuth quadruple therapy

Eligibility Criteria

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

You may qualify if:

  • Ages 18-65
  • Patients who tested positive for H. pylori by 13C or 14C breath test and have not received previous eradication therapy
  • Voluntarily join the trial and sign the informed consent form.

You may not qualify if:

  • Allergic to the study drug (e.g. penicillin allergy)
  • Recent bleeding or within 4 weeks of bleeding history in the stomach or duodenum
  • Patients who have previously received eradication therapy for Helicobacter pylori
  • Use antibiotics or bismuth medication 4 weeks before starting the study;use P-CAB or PPI 2 weeks before starting the study
  • Patients who have had surgery on the stomach or intestines, which affects the drug's metabolism
  • Pregnant or lactating women
  • Patients with other serious physiological or psychological conditions, or those with liver or kidney dysfunction
  • Patients with Zollinger-Ellison syndrome, gastric mucosal-associated lymphoid tissue lymphoma (MALT), or malignant tumors
  • Patients with glucose-6-phosphate dehydrogenase (G-6PD) deficiency, peptic ulcer disease, or bronchial asthma
  • Patients with concomitant medications including azatanavir or lopinavir, tricyclic antidepressants, levodopa, paracetamol, codeine phosphate/dextromethorphan, monoamine oxidase inhibitors, tramadol, etc.
  • Other factors that the investigator considers unsuitable for participation in the study, etc.

Contact the study team to confirm eligibility.

Sponsors & Collaborators

MeSH Terms

Interventions

AmoxicillinFurazolidone

Intervention Hierarchy (Ancestors)

AmpicillinPenicillin GPenicillinsbeta-LactamsLactamsAmidesOrganic ChemicalsSulfur CompoundsHeterocyclic Compounds, 2-RingHeterocyclic Compounds, Fused-RingHeterocyclic CompoundsNitrofuransNitro CompoundsOxazolidinonesOxazolesAzolesHeterocyclic Compounds, 1-RingFurans

Central Study Contacts

Study Design

Study Type
interventional
Phase
early phase 1
Allocation
RANDOMIZED
Masking
NONE
Purpose
TREATMENT
Intervention Model
PARALLEL
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Director of Gastroenterology

Study Record Dates

First Submitted

January 10, 2025

First Posted

January 16, 2025

Study Start

March 1, 2025

Primary Completion

September 1, 2025

Study Completion

January 1, 2026

Last Updated

January 16, 2025

Record last verified: 2024-12

Data Sharing

IPD Sharing
Will not share