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Optimization of Minocycline for Helicobacter Pylori Rescue Treatment

Phase 4
Recruiting
Conditions
Helicobacter Pylori Infection
Interventions
Drug: Minocycline,Metronidazole
Drug: Tetracycline,Metronidazole
Registration Number
NCT06561711
Lead Sponsor
Shanghai Jiao Tong University School of Medicine
Brief Summary

The efficacy of bismuth-containing quadruple therapy with minocycline and metronidazole was not inferior to classical bismuth quadruple therapy for refractory H. pylori infection, though also accompanied with high occurrence of adverse events (55.4%). Optimization of minocycline-based regimen to achieve high eradication rate with fewer adverse events is imperative. This study aimed to compare the efficacy and tolerability of a 14-day bismuth-containing quadruple rescue therapy with different dosage of minocycline and metronidazole compared to classical bismuth quadruple therapy.

Detailed Description

Not available

Recruitment & Eligibility

Status
RECRUITING
Sex
All
Target Recruitment
476
Inclusion Criteria
  • Ability and willingness to participate in the study and to sign and give informed consent
  • Confirmed H. pylori infection and with previous treatment experience
Exclusion Criteria
  • subjects naive to H. pylori treatment,
  • under 18 or over 80 years old
  • history of gastrectomy
  • pregnant or lactating women
  • Previous history of tuberculosis
  • Allergy to any of the study drugs
  • severe systemic diseases or malignancy
  • 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
Minocycline group BBismuth Potassium CitrateVonoprazan 20mg bid, Bismuth Potassium Citrate 300mg qid, Minocycline 50mg bid, Metronidazole 400mg qid
Minocycline group CVonoprazanVonoprazan 20mg bid, Bismuth Potassium Citrate 300mg qid, Minocycline 50mg bid, Metronidazole 400mg tid
Minocycline group CMinocycline,MetronidazoleVonoprazan 20mg bid, Bismuth Potassium Citrate 300mg qid, Minocycline 50mg bid, Metronidazole 400mg tid
Minocycline group AMinocycline,MetronidazoleVonoprazan 20mg bid, Bismuth Potassium Citrate 300mg qid, Minocycline 50mg tid, Metronidazole 400mg tid
Minocycline group CBismuth Potassium CitrateVonoprazan 20mg bid, Bismuth Potassium Citrate 300mg qid, Minocycline 50mg bid, Metronidazole 400mg tid
Minocycline group ABismuth Potassium CitrateVonoprazan 20mg bid, Bismuth Potassium Citrate 300mg qid, Minocycline 50mg tid, Metronidazole 400mg tid
Minocycline group BMinocycline,MetronidazoleVonoprazan 20mg bid, Bismuth Potassium Citrate 300mg qid, Minocycline 50mg bid, Metronidazole 400mg qid
Tetracycline groupBismuth Potassium CitrateVonoprazan 20mg bid, Bismuth Potassium Citrate 300mg qid, Tetracycline 500mg qid, Metronidazole 400mg qid
Tetracycline groupTetracycline,MetronidazoleVonoprazan 20mg bid, Bismuth Potassium Citrate 300mg qid, Tetracycline 500mg qid, Metronidazole 400mg qid
Minocycline group BVonoprazanVonoprazan 20mg bid, Bismuth Potassium Citrate 300mg qid, Minocycline 50mg bid, Metronidazole 400mg qid
Minocycline group AVonoprazanVonoprazan 20mg bid, Bismuth Potassium Citrate 300mg qid, Minocycline 50mg tid, Metronidazole 400mg tid
Tetracycline groupVonoprazanVonoprazan 20mg bid, Bismuth Potassium Citrate 300mg qid, Tetracycline 500mg qid, Metronidazole 400mg qid
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-urea 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 effectsWithin 7 days after completion of therapy

The subjects were asked to grade the severity of adverse events according to their influence on daily activities, experienced as "mild" (transient and well tolerated), "moderate" (causing discomfort and partially interfering with daily activities), or severe" (causing considerable interference with daily activities). In addition, blood test were messured to access function of liver and kidney.

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 (4)

Peking University Third Hospital

🇨🇳

Beijing, Beijing, China

Renji Hospital, School of Medicine, Shanghai Jiao Tong University

🇨🇳

Shanghai, Shanghai, China

Songjiang Hospital, School of Medicine, Shanghai Jiao Tong University

🇨🇳

Shanghai, Shanghai, China

The Second Affiliated Hospital of Zhejiang University school of Medicine

🇨🇳

Hangzhou, Zhejiang, China

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