Second Line Bismuth Containing Quadruple Therapy With Supplementary Probiotic
The Effect of Supplementary Probiotic in the Dysbiosis of Gut Microbiota Caused by Second Line Bismuth Containing Quadruple Therapy in Helicobacter Pylori Eradication- A Multicentered, Randomized Double Blind Placebo-controlled Trial
1 other identifier
interventional
200
1 country
4
Brief Summary
This study is designed to evaluate the clinical outcome of second line Bismuth containing quadruple therapy with supplementary probiotic for Helicobacter pylori eradication
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P75+ for not_applicable
Started Aug 2021
Longer than P75 for not_applicable
4 active sites
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
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Study Timeline
Key milestones and dates
First Submitted
Initial submission to the registry
June 14, 2021
CompletedStudy Start
First participant enrolled
August 29, 2021
CompletedFirst Posted
Study publicly available on registry
October 13, 2022
CompletedPrimary Completion
Last participant's last visit for primary outcome
April 29, 2023
CompletedStudy Completion
Last participant's last visit for all outcomes
April 29, 2025
CompletedOctober 21, 2022
September 1, 2022
1.7 years
June 14, 2021
October 19, 2022
Conditions
Keywords
Outcome Measures
Primary Outcomes (2)
Evaluate the incidence of adverse effects after second line BQT between probiotic group (L) and placebo group (P) according to intentional to treat (ITT) and per-protocol (PP) analyses.
Adverse events are collected
From Day 0 to Day 10.
Evaluate the incidence of adverse effects after second line BQT between probiotic group (L) and placebo group (P) according to intentional to treat (ITT) and per-protocol (PP) analyses.
Adverse events are collected
From Day 0 to Day 56.
Secondary Outcomes (20)
Eradication rate of second line BQT between two groups
From Day 0 to Day 56.
Dynamic changes in the gut microbiota between two groups
Day 0.
Dynamic changes in the metabolic pathway of gut microbiota between two groups
Day 0.
Re-infection rate 1 year and 3 years after second line eradication therapy
From Day 0 to Day 56.
Changes in the parameters of metabolic syndrome between two groups
Day 0.
- +15 more secondary outcomes
Study Arms (2)
Probiotics packets
EXPERIMENTALProbiotics contains 450 billion colony-forming units per packet. The compositions are maltose, lactic acid bacteria and bifidobacteria blend, cornstarch, silicon dioxide.
Placebo packets
PLACEBO COMPARATORThe compositions are maltodextrin, silicon dioxide, sucralose
Interventions
The treatment period is designed for 56 days: Bismuth containing quadruple therapy is performed from day 1\~10 and Probiotics packets is taken from day 1\~56.
The treatment period is designed for 56 days: Bismuth containing quadruple therapy is performed from day 1\~10 and Placebo packets is taken from day 1\~56.
Eligibility Criteria
You may qualify if:
- Patients older than 20 years-old underwent documented non-Bismuth containing 1st line H. pylori eradication with failure defined by positive 13C-Urea Breath Test (13C-UBT) at least 6 weeks after completion of therapy is eligible to the study.
You may not qualify if:
- History of gastrectomy, surgery in the small intestine or colon
- History of gastric malignancy, including adenocarcinoma or lymphoma
- Allergic history, history of severe adverse effects or contraindication to antibiotics (Tetracycline, Metronidazole ), proton pump inhibitor, or probiotics
- Pregnant or lactating women
- Severe concurrent chronic or acute disease (e.g. renal failure, liver cirrhosis, or active malignancy)
- Concomitant use of clopidogrel or warfarin
- Recent (\<4 weeks) use of antibiotics, or recent (\<4 weeks) probiotic use duration \>2 weeks
- Not able to give consent on blinding or randomizatio
- Not able to give consent by his or herself
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Study Sites (4)
National Taiwan University Hospital Yunlin Branch
Douliu, 64041, Taiwan
Kaohsiung Medical University Chung-Ho Memorial Hospital
Kaohsiung City, 80756, Taiwan
National Taiwan University Hospital
Taipei, 100225, Taiwan
National Taiwan University Cancer Center
Taipei, 10672, Taiwan
Study Officials
- PRINCIPAL INVESTIGATOR
Ming-Lun Han, doctor
National Taiwan University Hospital
Central Study Contacts
Study Design
- Study Type
- interventional
- Phase
- not applicable
- Allocation
- RANDOMIZED
- Masking
- QUADRUPLE
- Who Masked
- PARTICIPANT, CARE PROVIDER, INVESTIGATOR, OUTCOMES ASSESSOR
- Purpose
- SUPPORTIVE CARE
- Intervention Model
- PARALLEL
- Sponsor Type
- OTHER
- Responsible Party
- SPONSOR
Study Record Dates
First Submitted
June 14, 2021
First Posted
October 13, 2022
Study Start
August 29, 2021
Primary Completion
April 29, 2023
Study Completion
April 29, 2025
Last Updated
October 21, 2022
Record last verified: 2022-09
Data Sharing
- IPD Sharing
- Will not share