Clinical trial Recruiting at 1 site Interventional Ages 18 to 85

7-day tailored treatment to eradicate H. pylori infection

Official title: A Prospective, Single-center, Open-label, Clinical Trial to Compare the 10-day Sequential Therapy and 7-day Culture Based Tailored Therapy for the Eradication of Helicobacter Pylori

Run by Seoul National University Bundang Hospital · NCT02373280 · Data updated 2026-11-12

This will test whether a 7-day treatment chosen using H. pylori culture and antibiotic susceptibility works better than the usual 10-day sequential regimen for adults with H. pylori infection.

More Helicobacter Pylori Infection trials

Quick facts

Study typeInterventional
Ages18 Years to 85 Years
SexAll
Enrollment600 (estimated)
SponsorSeoul National University Bundang Hospital
Academic / other
Locations1 site (Seongnam-si, Gyeonggi-do)
StatusRecruiting
StartedAugust 2014
Main results expectedApril 2027
Study endsDecember 2027
Registry record updatedApril 24, 2026
Trial IDNCT02373280 on ClinicalTrials.gov

Is this trial a fit for you?

Likely a good fit

Adults (age ≥18) in Korea with confirmed H. pylori infection who have not previously received eradication therapy and who are not pregnant or lactating and meet safety labs are eligible.

Probably not a fit

Patients with prior H. pylori eradication, recent antibiotic or bismuth or PPI use within the exclusion windows, significant liver or kidney disease, pregnancy/lactation, or known allergies to study drugs are unlikely to benefit from participation.

A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.

What this trial studies

Because antibiotic resistance to H. pylori has been rising in Korea, investigators compared a 7-day regimen chosen from culture and minimal inhibitory concentration (MIC) results with a standard 10-day sequential regimen. Patients with confirmed H. pylori (by rapid urease test, histology, or urea breath test) received either the tailored 7-day therapy (PPI-based triple, bismuth quadruple, or moxifloxacin-containing triple depending on susceptibility) or 10-day sequential therapy. The primary outcome was eradication success rate; investigators also measured the prevalence of antibiotic resistance in the tailored group. The trial was conducted at a single center using microbiology-guided selection to individualize therapy.

Why it matters

Potential benefit: If successful, tailored 7-day therapy could raise eradication rates and reduce unnecessary use of ineffective antibiotics.

How similar studies have gone: Susceptibility-guided H. pylori therapy has improved eradication rates in multiple settings, but results vary and data are more limited in Korean populations facing high resistance.

Who can join: the full rules

Show full inclusion / exclusion criteria
Inclusion Criteria:

* The patients who proved H. pylori infection following three methods

  1. positive rapid urease test (CLOtest)
  2. histologic evidence of H. pylori by modified Giemsa staining
  3. positive Urea breath test
* Male and female Korean Adult (Aged ≥ 18 years)

Exclusion Criteria:

* Patients who received eradication therapy for H. pylori infection, previously
* H. pylori eradication failure because of poor compliance
* the administration of antibiotics or the consumption of bismuth salts within 4 weeks or the administration of a proton pump inhibitor (PPI) within 2 weeks
* Advanced gastric cancer or other malignancy
* Abnormal liver function or liver cirrhosis
* Abnormal renal function or chronic kidney disease
* Other severe concurrent diseases
* Previous allergic reactions to the study drugs
* Pregnant or lactating women

Where it's running

  • Seoul National University Bundang Hospital
    Seongnam-si, Gyeonggi-do, South Korea
    Recruiting

Study contacts

  • Principal investigator: Nayoung Kim, M.D., Ph. D — Seoul National University Bundang Hospital
  • Study coordinator: Nayoung Kim, M.D., Ph. D
  • Email: nayoungkim49@empas.com
  • Phone: 82-31-787-7008

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How to take part

  1. Review the eligibility criteria above with your treating physician.
  2. Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
  3. Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.
Last reviewed 2026-11-14 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.