The Clinical Trail to Evaluate the Efficacy and Safety of Anaprazole Sodium Enteric-coated Tablets Combined With Bismuth-containing Quadruple Therapy in Eradicating Helicobacter Pylori

May 19, 2026 updated by: Xuanzhu Biopharmaceutical Co., Ltd.

A Multicenter, Randomized, Double Blind, Double-simulated, Parallel Control of Positive Drug Phase III Clinical Study Evaluating the Efficacy and Safety of Anaprazole Sodium Enteric-coated Tablets Containing Bismuth in Quadruple Therapy for the Eradication of Helicobacter Pylori

This is a multicenter, randomized, double blind, double-simulated, parallel control of positive drug phase III clinical study to evaluate the efficacy and safety of Anaprazole versus Esomeprazole-containing Bismuth quadruple therapy for eradication of Helicobacter pylori in China.

Study Overview

Status

Status

Indicates the current recruitment status or the expanded access status.
Not yet recruiting

Conditions

Conditions

The disease, disorder, syndrome, illness, or injury that is being studied. On ClinicalTrials.gov, conditions may also include other health-related issues, such as lifespan, quality of life, and health risks.

Intervention / Treatment

Intervention / Treatment

A process or action that is the focus of a clinical study. Interventions include drugs, medical devices, procedures, vaccines, and other products that are either investigational or already available. Interventions can also include noninvasive approaches, such as education or modifying diet and exercise.

Study Type

Study Type

Describes the nature of a clinical study. Study types include interventional studies (also called clinical trials), observational studies (including patient registries), and expanded access.
Interventional

Enrollment (Estimated)

Enrollment

The number of participants in a clinical study. The "anticipated" enrollment is the target number of participants that the researchers need for the study.
556

Phase

Phase

The stage of a clinical trial studying a drug or biological product, based on definitions developed by the U.S. Food and Drug Administration (FDA). The phase is based on the study's objective, the number of participants, and other characteristics. There are five phases: Early Phase 1 (formerly listed as Phase 0), Phase 1, Phase 2, Phase 3, and Phase 4. Not Applicable is used to describe trials without FDA-defined phases, including trials of devices or behavioral interventions.
  • Phase 3

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Contact

Study Contact

The name and contact information for the person who can answer enrollment questions for a clinical study. Each location where the study is being conducted may also have a specific contact, who may be better able to answer those questions.

Study Locations

  • China
    • Guangdong
      • Shenzhen, Guangdong, China, 518100
        • Shenzhen Hospital of Southern Medical University
        • Contact:
        • Principal Investigator:
          • Ye Chen, PhD

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Eligibility Criteria

The key requirements that people who want to participate in a clinical study must meet or the characteristics they must have. Eligibility criteria consist of both inclusion criteria (which are required for a person to participate in the study) and exclusion criteria (which prevent a person from participating). Types of eligibility criteria include whether a study accepts healthy volunteers, has age or age group requirements, or is limited by sex.

Ages Eligible for Study

  • Adult
  • Older Adult

Accepts Healthy Volunteers

No

Description

Inclusion Criteria:

  1. Aged 18-75 years
  2. During the screening visit, the participants were determined to be Hp-positive by 13C-UBT and Hp eradication therapy was required by the investigator.
  3. Fully understand the content of the experiment, voluntarily participate in the experiment, and sign the informed consent.

Exclusion Criteria:

  1. Known allergic history to Anaprazole or Esomeprazole, or amoxicillin or clarithromycin and bismuth(including any related excipients ).
  2. Have a history of severe rapid-onset hypersensitivity to β-lactam agents (such as cephalosporins, carbapenems, monocyclic β-lactam).
  3. The participant has Zollinger-Ellison syndrome.
  4. Participants known to have acute upper gastrointestinal bleeding, active gastric or duodenal ulcer, acute gastric mucosal injury (AGML) or acute duodenal mucosal injury (ADML).
  5. Participants in the trial had previously undergone surgeries or procedures that might affect gastric acid secretion or drug absorption.
  6. Participants with a history of malignant tumors within 5 years prior to screening (Cutaneous basal cell carcinoma or cervical carcinoma in situ that has been cured is excluded).
  7. The subject has severe central nervous system, cardiovascular, respiratory, liver, kidney, gastrointestinal, urinary, endocrine or hematological diseases that the investigator believes may affect the study results and the safety of the participants.
  8. Laboratory examination during the screening period showed ALT or AST > 2 times of the upper limit of normal value, TBIL > 1.5 times of the upper limit of normal value; renal function Cr > 1.5 times of the upper limit of normal value (one review was allowed in the study, and those who still did not meet the requirements for inclusion were excluded).
  9. Participants with severe arrhythmia, multigenic premature ventricular contractions (PVC), second-degree or higher atrioventricular block, ventricular arrhythmia or prolonged QT interval (QTcF> 450ms in male and 470ms in female).
  10. Previously received Helicobacter pylori eradication treatment.
  11. Used PPI or P-CAB preparations within 2 weeks before 13C-UBT examination during the screening period; Antibiotics, bismuth-containing preparations, or traditional Chinese medicine with antibacterial effects were used within 4 weeks before 13C-UBT test during the screening period.
  12. Those with chronic drug abuse in the 12 months prior to screening.
  13. Those with alcohol dependence in the 12 months prior to screening.
  14. Participated used experimental drugs/devices in other drug/device clinical studies within 3 months before screening.
  15. Female participants who are suspected or already pregnant, breastfeeding; and female participant or a partner of male participant who are planning to become pregnant during the study.
  16. Others were deemed unsuitable for the trial .

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

  • Primary Purpose: Treatment
  • Allocation: Randomized
  • Interventional Model: Parallel Assignment
  • Masking: Quadruple

Arms and Interventions

Participant Group / Arm

Participant Group / Arm

A group or subgroup of participants in a clinical trial that receives a specific intervention/treatment, or no intervention, according to the trial's protocol.
Intervention / Treatment

Intervention / Treatment

A process or action that is the focus of a clinical study. Interventions include drugs, medical devices, procedures, vaccines, and other products that are either investigational or already available. Interventions can also include noninvasive approaches, such as education or modifying diet and exercise.
Experimental: Anaprazole sodium enteric-coated tablets
Anaprazole sodium enteric-coated tablets + Esomeprazole magnesium enteric-coated tablets placebo +Bismuth potassium citrate capsules + Amoxicillin capsules + Clarithromycin tablets
Drug: Anaprazole Sodium enteric-coated tablet
Anaprazole sodium enteric-coated tablets 20mg + Esomeprazole magnesium enteric-coated tablets placebo 1 tablet +Bismuth potassium citrate capsules 240mg + Amoxicillin capsules 1000mg + Clarithromycin tablets 500mg,BID,oral,twice daily for 14 days
Active Comparator: Esomeprazole magnesium enteric-coated tablets
Anaprazole sodium enteric-coated tablets placebo + Esomeprazole magnesium enteric-coated tablets +Bismuth potassium citrate capsules + Amoxicillin capsules + Clarithromycin tablets
Drug: Esomeprazole magnesium enteric-coated tablets
Anaprazole sodium enteric-coated tablets placebo 1 tablet + Esomeprazole magnesium enteric-coated tablets20mg +Bismuth potassium citrate capsules 240mg + Amoxicillin capsules 1000mg + Clarithromycin tablets 500mg,BID,oral,twice daily for 14 days

What is the study measuring?

Primary Outcome Measures

Primary Outcome Measures

In a clinical study's protocol, the planned outcome measure that is the most important for evaluating the effect of an intervention/treatment. Most clinical studies have one primary outcome measure, but some have more than one.
Outcome Measure
Measure Description
Time Frame
Percentage of all participants with successful Helicobacter Pylori (Hp) eradication
Time Frame: Day 28+7 days following the completion of treatment(duration of treatment was 2 weeks)
Percentage of all patients with Hp eradication determined by a 13^C-urea breath test after study treatment
Day 28+7 days following the completion of treatment(duration of treatment was 2 weeks)

Secondary Outcome Measures

Secondary Outcome Measures

In a clinical study's protocol, a planned outcome measure that is not as important as the primary outcome measure for evaluating the effect of an intervention but is still of interest. Most clinical studies have more than one secondary outcome measure.
Outcome Measure
Time Frame
Percentage of participants with successful Helicobacter Pylori (H.Pylori) eradication in participants with Clarithromycin-resistant strain and Clarithromycin-sensitive strain of H.Pylori at baseline
Time Frame: Day 28+7 days following the completion of treatment(duration of treatment was 2 weeks)
Day 28+7 days following the completion of treatment(duration of treatment was 2 weeks)
Percentage of participants with successful Helicobacter Pylori (H.Pylori) eradication in participants with Amoxicillin-resistant strain and Amoxicillin-sensitive strain of H.Pylori at baseline
Time Frame: Day 28+7 days following the completion of treatment(duration of treatment was 2 weeks)
Day 28+7 days following the completion of treatment(duration of treatment was 2 weeks)

Other Outcome Measures

Other Outcome Measures

For clinical trials, a planned measurement described in the protocol that is used to determine the effect of an intervention/treatment on participants. For observational studies, a measurement or observation that is used to describe patterns of diseases or traits, or associations with exposures, risk factors, or treatment. Types of outcome measures include primary outcome measure and secondary outcome measure.
Outcome Measure
Time Frame
Number of Subjects With Adverse Events (AEs)
Time Frame: Day 15+3 days following the completion of treatment(duration of treatment was 2 weeks)
Day 15+3 days following the completion of treatment(duration of treatment was 2 weeks)
AUC0-t
Time Frame: Up to 14 days from the start of administration
Up to 14 days from the start of administration
AUC0-∞
Time Frame: Up to 14 days from the start of administration
Up to 14 days from the start of administration
Cmax
Time Frame: Up to 14 days from the start of administration
Up to 14 days from the start of administration
Tmax
Time Frame: Up to 14 days from the start of administration
Up to 14 days from the start of administration
t½
Time Frame: Up to 14 days from the start of administration
Up to 14 days from the start of administration
CL/F
Time Frame: Up to 14 days from the start of administration
Up to 14 days from the start of administration
Vz/F
Time Frame: Up to 14 days from the start of administration
Up to 14 days from the start of administration

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Sponsor

Sponsor

The organization or person who initiates the study and who has authority and control over the study.
Xuanzhu Biopharmaceutical Co., Ltd.

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start (Estimated)

Study Start

The actual date on which the first participant was enrolled in a clinical study. The "anticipated" study start date is the date that the researchers think will be the study start date.
June 10, 2026

Primary Completion (Estimated)

Primary Completion

The date on which the last participant in a clinical study was examined or received an intervention to collect final data for the primary outcome measure. Whether the clinical study ended according to the protocol or was terminated does not affect this date. For clinical studies with more than one primary outcome measure with different completion dates, this term refers to the date on which data collection is completed for all the primary outcome measures. The "anticipated" primary completion date is the date that the researchers think will be the primary completion date for the study.
February 19, 2027

Study Completion (Estimated)

Study Completion

The date on which the last participant in a clinical study was examined or received an intervention/treatment to collect final data for the primary outcome measures, secondary outcome measures, and adverse events (that is, the last participant's last visit). The "anticipated" study completion date is the date that the researchers think will be the study completion date.
March 18, 2027

Study Registration Dates

First Submitted

First Submitted

The date on which the study sponsor or investigator first submitted a study record to ClinicalTrials.gov. There is typically a delay of a few days between the first submitted date and the record's availability on ClinicalTrials.gov (the first posted date).
May 19, 2026

First Submitted That Met QC Criteria

First Submitted That Met QC Criteria

The date on which the study sponsor or investigator first submits a study record that is consistent with National Library of Medicine (NLM) quality control (QC) review criteria. The sponsor or investigator may need to revise and submit a study record one or more times before NLM's QC review criteria are met. It is the responsibility of the sponsor or investigator to ensure that the study record is consistent with the NLM QC review criteria.
May 19, 2026

First Posted (Actual)

First Posted

The date on which the study record was first available on ClinicalTrials.gov after National Library of Medicine (NLM) quality control (QC) review has concluded. There is typically a delay of a few days between the date the study sponsor or investigator submitted the study record and the first posted date.
May 26, 2026

Study Record Updates

Last Update Posted (Actual)

Last Update Posted

The most recent date on which changes to a study record were made available on ClinicalTrials.gov. There may be a delay between when the changes were submitted to ClinicalTrials.gov by the study's sponsor or investigator (the last update submitted date) and the last update posted date.
May 26, 2026

Last Update Submitted That Met QC Criteria

Last Update Submitted That Met QC Criteria

The most recent date on which the study sponsor or investigator submitted changes to a study record that are consistent with National Library of Medicine (NLM) quality control (QC) review criteria. It is the responsibility of the sponsor or investigator to ensure that the study record is consistent with the NLM QC review criteria.
May 19, 2026

Last Verified

Last Verified

The most recent date on which the study sponsor or investigator confirmed the information about a clinical study on ClinicalTrials.gov as accurate and current. If a study with a recruitment status of recruiting; not yet recruiting; or active, not recruiting has not been confirmed within the past 2 years, the study's recruitment status is shown as unknown.
May 1, 2026

More Information

Terms related to this study

Other Study ID Numbers

Other Study ID Numbers

Identifiers or ID numbers other than the NCT number that are assigned to a clinical study by the study's sponsor, funders, or others. These numbers may include unique identifiers from other trial registries and National Institutes of Health grant numbers.
  • 3571-HP-3001

Drug and device information, study documents

Studies a U.S. FDA-regulated drug product

No

Studies a U.S. FDA-regulated device product

No

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

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