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Clinical Trial Details — Status: Recruiting

Administrative data

NCT number NCT06156085
Other study ID # FJUH112288
Secondary ID
Status Recruiting
Phase Phase 4
First received
Last updated
Start date November 14, 2023
Est. completion date December 31, 2025

Study information

Verified date November 2023
Source Fu Jen Catholic University Hospital
Contact Te-Ling Ma, MD
Phone 886905301798
Email martin1985831@gmail.com
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

Background:Helicobacter pylori infection is a well-established risk factor for peptic ulcer disease and gastric cancer. It's now a consensus of experts that H.pylori infection should be treated once it is recognized. Extended proton pump inhibitor (PPI)-based sequential therapy as one of the most commonly used first-line regimens provides a satisfactory eradication rate of 90.7% (95% CI, 87.4% - 94.0%). Nevertheless, its complexity of the "sequential" usage is sometimes confusing to the patients and may lead to treatment failure. The emerging new regimen - vonoprazan-based dual therapy, on the other hand, is another appealing choice with simplicity, and low pill burden. However, there's still no evidence regarding the use of vonoprazan-based dual therapy with high-dose amoxicillin (1000mg twice daily) as the first-line regimen in Taiwan. This study aimed to compare the efficacy of the current standard first-line regimen, sequential therapy, with that of vonoprazan-based dual therapy with high-dose Amoxicillin. Objectives: To compare the efficacy of the current standard first-line regimen, sequential therapy, with that of vonoprazan-based dual therapy, through a randomized controlled trial. Methods: Patients with H.pylori infection who was over 20 years old and agree to participate in the trial will be recruited. Those who had received H.pylori eradication before, are known to be allergic to any drug used in this trial, are pregnant, or refuse to participate in the trial for any reason will be excluded. We then allocate these patients into two groups randomly - one group receiving vonoprazan-based dual therapy with high-dose amoxicillin (vonoprazan 20 mg + amoxicillin 1000 mg twice daily for fourteen days) and the other receiving extended sequential therapy (lansoprazole 30mg plus amoxicillin 1000mg twice daily for 7 days, followed by lansoprazole 30mg, clarithromycin 500mg, and metronidzole 500mg twice daily for an additional 7 days). Eradication success was evaluated by 13C-urea breath test at least 4 weeks after treatment. Outcome analysis: The study will be designed as a non-inferiority trial. We anticipate that the two regimens will have comparable efficacy. Besides, we'll also design a questionnaire to evaluate the adverse effects, whether they took the drugs in the right way, and patient's satisfaction of the drug regimen. The vonoprazan dual therapy with high-dose amoxicillin will be anticipated to have fewer adverse effects, better compliance, and better satisfaction.


Description:

Background:Helicobacter pylori infection is a well-established risk factor for peptic ulcer disease and gastric cancer. It's now a consensus of experts that H.pylori infection should be treated once it is recognized. Extended proton pump inhibitor (PPI)-based sequential therapy as one of the most commonly used first-line regimens provides a satisfactory eradication rate of 90.7% (95% CI, 87.4% - 94.0%). Nevertheless, its complexity of the "sequential" usage is sometimes confusing to the patients and may lead to treatment failure. The emerging new regimen - vonoprazan-based dual therapy, on the other hand, is another appealing choice with simplicity, and low pill burden. However, there's still no evidence regarding the use of vonoprazan-based dual therapy with high-dose amoxicillin (1000mg twice daily) as the first-line regimen in Taiwan. This study aimed to compare the efficacy of the current standard first-line regimen, sequential therapy, with that of vonoprazan-based dual therapy with high-dose Amoxicillin. Objectives: To compare the efficacy of the current standard first-line regimen, sequential therapy, with that of vonoprazan-based dual therapy, through a randomized controlled trial. Methods: Patients with H.pylori infection who was over 20 years old and agree to participate in the trial will be recruited. Those who had received H.pylori eradication before, are known to be allergic to any drug used in this trial, are pregnant, or refuse to participate in the trial for any reason will be excluded. We then allocate these patients into two groups randomly - one group receiving vonoprazan-based dual therapy with high-dose amoxicillin (vonoprazan 20 mg + amoxicillin 1000 mg twice daily for fourteen days) and the other receiving extended sequential therapy (lansoprazole 30mg plus amoxicillin 1000mg twice daily for 7 days, followed by lansoprazole 30mg, clarithromycin 500mg, and metronidzole 500mg twice daily for an additional 7 days). Eradication success was evaluated by 13C-urea breath test at least 4 weeks after treatment. Outcome analysis: The study will be designed as a non-inferiority trial. We anticipate that the two regimens will have comparable efficacy. Besides, we'll also design a questionnaire to evaluate the adverse effects, whether they took the drugs in the right way, and patient's satisfaction of the drug regimen. The vonoprazan dual therapy with high-dose amoxicillin will be anticipated to have fewer adverse effects, better compliance, and better satisfaction.


Recruitment information / eligibility

Status Recruiting
Enrollment 318
Est. completion date December 31, 2025
Est. primary completion date June 30, 2025
Accepts healthy volunteers No
Gender All
Age group 20 Years and older
Eligibility Inclusion Criteria: 1. Patients with naive H. pylori infection 2. Subjects with over 20 years old Exclusion Criteria: 1. Younger than 20 years old 2. Ever received H. eradication therapy 3. ever received total or subtotal gastrectomy in the past 4. Severe chronic disease, such as end stage renal disease, liver cirrhosis, incurable malignant tumors 5. Women who are pregnant or breastfeeding 6. Those who are not suitable to receive study drugs: such as a history of allergies to study drugs or serious side effects, etc. 7. Patient with estimated glomerular filtration rate (eGFR) less than 60 ml/min/1.73 mt2

Study Design


Related Conditions & MeSH terms


Intervention

Drug:
Vonoprazan and Amoxicillin
vonoprazan 20 mg and amoxicillin 1000 mg b.i.d. PC for 14days
Lansoprazole, Amoxicillin, Clarithromycin and Metronidazole
lansoprazole 30 mg + amoxicillin 1000 mg b.i.d. AC for 7 days, followed by the same PPI + clarithromycin 500 mg + metronidazole 500 mg b.i.d. AC for 7 days

Locations

Country Name City State
Taiwan Fu Jen Catholic University Hospital, Fu Jen Catholic University New Taipei City

Sponsors (1)

Lead Sponsor Collaborator
Fu Jen Catholic University Hospital

Country where clinical trial is conducted

Taiwan, 

Outcome

Type Measure Description Time frame Safety issue
Primary primary outcome is the eradication rate in the first-line treatment At least 6 weeks after the end of treatment, the carbon 13-breath test will be used to evaluate whether the eradication is successful. The eradication rate in each group will be presented as "% Up to 8-12 weeks
Secondary The secondary outcomes are the compliance, frequency of adverse events After eradication treatment, participants will go back to the outpatients clinics to evaluate whether they take all of or > 80% drugs. The investigators will also record any side effect associated with treatment, such as skin rash, dizziness, headache, taste distortion, and etc. The severity grading include "none", "mild", "moderate" Up to 8-12 weeks
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