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A Randomized, Open-label, Controlled Clinical Study on Eradication of Helicobacter pylori: Dual Therapy with Tegoprazan Combined with Amoxicillin or Doxycycline versus Bismuth-containing Quadruple Therapy

A Randomized, Open-label, Controlled Clinical Study on Eradication of Helicobacter pylori: Dual Therapy with Tegoprazan Combined with Amoxicillin or Doxycycline versus Bismuth-containing Quadruple Therapy

Status
Active, not recruiting
Phases
Phase 4
Study type
Interventional
Source
ChiCTR
Registry ID
ChiCTR2600123942
Enrollment
Unknown
Registered
2026-05-01
Start date
2026-05-01
Completion date
Unknown
Last updated
2026-05-11

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Helicobacter pylori infection

Interventions

Group B (Novel TD Dual Therapy):Tegoprazan 50 mg twice daily + Doxycycline 100 mg twice daily for 14 days.
Group A (High-dose TA Dual Therapy):Tegoprazan 50 mg twice daily + Amoxicillin 1.0 g three times daily for 14 days.
Group C (Control/Bismuth Quadruple Therapy):Tegoprazan 20 mg twice daily + Bismuth potassium citrate 220 mg twice daily + Amoxicillin 1.0 g twice daily + Doxycycline 100 mg twice daily for 14 days

Sponsors

Shenzhen Nanshan People's Hospital
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to 75 Years

Inclusion criteria

Inclusion criteria: 1. Age 18-75 years. 2. Confirmed active H. pyloriinfection by 13C-urea breath test or gastric histopathology. 3. Treatment-naïve patients (first-time eradication therapy);

Exclusion criteria

Exclusion criteria: 1. Allergy to any study drugs (e.g., tegoprazan, penicillins, tetracyclines, macrolides, bismuth). 2. Grade 3 or higher abnormalities per CTCAE v6.0, e.g., ALT >5.0–20.0 times the upper limit of normal (if baseline is normal or below normal) or >2.0–4.0 times baseline (if baseline is >1–5 times the upper limit of normal). 3. Pregnant or lactating women. 4. Use of PPIs, antibiotics, or bismuth within the past 4 weeks. 5. Presence of psychiatric disorders or cognitive impairment preventing study compliance;

Design outcomes

Primary

MeasureTime frame
Symptom Improvement;13C-urea breath test (13C-UBT);

Countries

China

Contacts

Public ContactLuo Qingtian

Shenzhen Nanshan People's Hospital

qingtian881215@126.com+86 755 2655 3111

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: May 16, 2026