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High-dose Dual Therapy with Different Administration Frequencies

Phase 4
Completed
Conditions
Helicobacter Pylori Infection
Interventions
Registration Number
NCT05901051
Lead Sponsor
Shanghai Jiao Tong University School of Medicine
Brief Summary

This study is a single center, randomized controlled clinical study. The enrolled patients are HP positive. They are diagnosed as HP positive by rapid urease test and/or 13C urea breath test. According to the declaration of Helsinki, 327 patients will be included in this study. After obtaining the written informed consent of the patients, HP culture and drug sensitivity test will be conducted on all the selected patients with the success rate, adverse reactions, compliance, antibiotic resistance of HP and its impact on HP eradication.

Detailed Description

According to relevant literature research, amoxicillin TID groups (including before meal group and after meal group) were given Vonorasen (Takeda China) 20mg bid and Amoxicillin 1.0 TID (Zhejiang Jinhua Kangenbei biopharmaceutical Co., Ltd.). Amoxicillin Qid group was given Vonorasen (Takeda China) 20mg bid and Amoxicillin 0.75 Qid (Zhejiang Jinhua Kangenbei biopharmaceutical Co., Ltd.), all the drugs were purchased by the patients from the hospital. The three groups were treated for 14 days respectively, and 13C urea breath test was performed 6 weeks after drug withdrawal. The negative ones were judged as HP eradication.

Recruitment & Eligibility

Status
COMPLETED
Sex
All
Target Recruitment
327
Inclusion Criteria
  • Ability and willingness to participate in the study and to sign and give informed consent
  • Confirmed H. pylori infection
Exclusion Criteria
  • Pregnant and lactating women;
  • History of gastrointestinal malignancies;
  • History of previous subtotal gastrectomy;
  • Serious dysfunction of heart, liver, kidney, lung and other important organs and congenital diseases; Such as grade IV cardiac insufficiency, liver failure, uremia, respiratory failure, hemophilia, Wilson disease, etc;
  • History of hematological diseases
  • People who are allergic to drugs;
  • The guardian or patient refused to join the group;
  • Alcohol and / or drug abuse (addiction or dependence) or poor compliance judged by doctors;
  • No legal capacity or poor self-knowledge
  • administration of antibiotics, bismuth, antisecretory drugs, or Chinese herb medicine in the preceding 8 weeks

Study & Design

Study Type
INTERVENTIONAL
Study Design
PARALLEL
Arm && Interventions
GroupInterventionDescription
dual therapy BAmoxicillinVonoprazan 20mg bid ac and amoxicillin 1g tid pc
dual therapy AvonoprazanVonoprazan 20mg bid ac and amoxicillin 0.75g qid pc
dual therapy CvonoprazanVonoprazan 20mg bid ac and amoxicillin 1g tid ac
dual therapy AAmoxicillinVonoprazan 20mg bid ac and amoxicillin 0.75g qid pc
dual therapy BvonoprazanVonoprazan 20mg bid ac and amoxicillin 1g tid pc
dual therapy CAmoxicillinVonoprazan 20mg bid ac and amoxicillin 1g tid ac
Primary Outcome Measures
NameTimeMethod
Helicobacter pylori eradication rateSix weeks after completion of therapy

Six weeks after completion of therapy, H. pylori eradication was assessed by ¹³C-rea breath test. Eradication was defined as negative result from urea breath test (\<4‰) (4‰ as the cutoff value).

Secondary Outcome Measures
NameTimeMethod
Rate of adverse eventsWithin 7 days after completion of therapy

The subjects were asked to record side effects and discomfort during treatment and actual drug administration.

Compliance rateWithin 7 days after completion of therapy

Compliance was defined as poor when they had taken less than 80% of the total medication

Trial Locations

Locations (1)

Renji Hospital, School of Medicine, Shanghai Jiao Tong University

🇨🇳

Shanghai, Shanghai, China

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