Clinical trial NCT06168084: Helicobacter Rescue Therapy With Vonorazon and Amoxicillin Dual Therapy Versus Bismuth-containing Quadruple Therapy
Official title: Rescue Therapy for Helicobacter Pylori Eradication: A Randomized and Non-inferiority Trail of Vonorazon and Amoxicillin Dual Therapy Versus Bismuth-containing Quadruple Therapy
Study type: INTERVENTIONAL
Overall status: RECRUITING
Phase: PHASE4
Conditions: Gastritis Dyspepsia Helicobacter Pylori Infection Gastric Cancer Peptic Ulcer
Lead sponsor: Xijing Hospital of Digestive Diseases
Sponsor class: OTHER
First posted: 2023-12-13
Enrollment: 688
Sex: ALL
Minimum age (years): 18
Maximum age (years): 70
Standard ages: ADULT
OLDER_ADULT
Accepts healthy volunteers: no
Allocation: RANDOMIZED
Intervention model: PARALLEL
Primary purpose: TREATMENT

Brief summary: This study aims at evaluating efficacy and safety of Vonorazon and amoxicillin dual therapy versus bismuth-containing quadruple Therapy(bismuth#esomeprazole#tetracycline and furazolidone) in H. pylori rescue therapy. It is hypothesized that Vonorazon and amoxicillin dual therapy is non-inferior to bismuth-containing quadruple Therapy. Patients with confirmed failure of H. pylori eradication will be randomized to one of the treatments described above. At week 6 follow-up visits, a urea breath test#rapid urease test or helicobacter pylori stool antigen test will be performed to confirm eradication.

Detailed description: The study will include three phases: screening, treatment and follow-up. Screening: this phase will last a maximum of 14 days and subjects eligibility will be evaluated after signing informed consent. One of urea breath test#rapid urease test or helicobacter pylori stool antigen test will be performed in addition to the baseline routine evaluations.

Treatment: Subjects are randomly assigned to treatment and will be treated for 14 days. A randomization visit will take place on Day 0 and an end-of-treatment visit will take place between day 14 and 16.

Follow-up: includes one visits. Approximately 28 days after the end of treatment. Eradication of H. Pylori will be confirmed by one of urea breath test#rapid urease test or helicobacter pylori stool antigen test.

Eligibility criteria: Inclusion Criteria:

* 1. Age between 18\~70, both gender. 2. Patients who had failed H.pylori eradication therapies . 3. Women are eligible if they are not pregnant or nursing, and if they are of childbearing potential they are required to use medically acceptable contraception for the duration of the study and 30 days thereafter.

Exclusion Criteria:

* 1. Patients who have previously used tetracycline and furazolidone antibiotics to eradicate infection with H. pylori.

  2. Contraindications to study drugs. 3. Substantial organ impairment, severe or unstable cardiopulmonary or endocrine disease.

  4. Constant use of anti-ulcer drugs ( including taking proton-pump.inhibitors(PPI) within 2 weeks before the \[13C\] urea breath test), antibiotics or bismuth complexes (more than 3 times /1 month before screening).

  5. Pregnant or lactating women. 6. Underwent upper gastrointestinal Surgery. 7. Dysphagia. 8. Evidence of bleeding or iron efficiency anemia. 9. A history of malignancy. 10. Drug or alcohol abuse history in the past 1 year. 11. Systemic use of corticosteroids, non steroidal anti-inflammatory drugs, anticoagulants, platelet aggregation inhibitors (except the use of aspirin for less than 100 mg/d).

  12. Mental disorder. 13. Enrolled in other clinical trials in the past 3 months. 14. Refuse to sign informed consent.

Primary outcomes:
measure: Helicobacter pylori eradication
timeFrame: 28 days after treatment
Secondary outcomes:
measure: symptoms effective rates
timeFrame: 14 days of treatment, and 28 days after treatment
measure: adverse events
timeFrame: 14 days of treatment, and 28 days after treatment
Other outcomes:
Locations:
city: Xi'an
country: China
facility: Xijing Hosipital of Digestive Disease
state: Shaanxi
city: Xi'an
country: China
facility: Xijing Hosipital of Digestive Disease
state: Shanxi
Study officials:
References: