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NCT05874570
Doxycycline for Helicobacter Pylori Rescue Treatment
Phase 4 trial testing Esomeprazole in Helicobacter Pylori Infection in 368 participants. Currently enrolling.
10 October 2025
Quick facts
| Lead sponsor | Shanghai Jiao Tong University School of Medicine |
|---|---|
| Phase | Phase 4 |
| Status | Recruiting now |
| Study type | INTERVENTIONAL |
| Allocation | randomized |
| Design | parallel |
| Masking | none |
| Primary purpose | treatment |
| Enrollment | 368 |
| Start date | 20 June 2023 |
| Primary completion | 10 October 2025 |
| Estimated completion | 31 October 2025 |
| Sites | 1 location across China |
Drugs / interventions tested
- Esomeprazole (esomeprazole) — full drug profile →
- Bismuth Potassium Citrate — full drug profile →
- Tetracycline — full drug profile →
- Doxycycline (doxycycline) — full drug profile →
- Metronidazole (METRONIDAZOLE) — full drug profile →
Conditions studied
- Helicobacter Pylori Infection — all drugs for Helicobacter Pylori Infection →
Sponsor
Shanghai Jiao Tong University School of Medicine
Who can join
Adults 18 to 70, any sex, with Helicobacter Pylori Infection. Patients with the condition only — healthy volunteers not accepted.
Sponsor's own description
Current guidelines have recommended classical bismuth-containing quadruple therapy including proton-pump inhibitor, bismuth, tetracycline, metronidazole as the empirical rescue therapy. However, tetracycline is clinically unavailable in China and the high frequency of adverse events of bismuth quadruple therapy often result in poor compliance, which limited the applicability of this recommendation. This study aimed to compare the efficacy and tolerability of a 14-day bismuth-containing quadruple rescue therapy in which tetracycline was replaced by doxycycline.
Publications & conference data
No peer-reviewed publications indexed yet for this trial.
Verify or expand the search:
- PubMed search for NCT05874570
- Europe PMC full search
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Other recruiting trials for Helicobacter Pylori Infection
Currently open trials in the same condition.
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- NCT06929962 — VA Dual Sequential Therapy · Phase 4 · recruiting
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Other Shanghai Jiao Tong University School of Medicine trials
Trials by the same sponsor.
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Verify against primary sources
- ClinicalTrials.gov — authoritative US registry record
- WHO ICTRP — international registry index
- EU Clinical Trials Register
- Sponsor press releases (Google)
- Trial protocol + status: ClinicalTrials.gov NCT05874570 (US National Library of Medicine, public domain)
- Drug + disease cross-links: matched in real time against Drug Landscape's normalised drug + company + condition tables
- Sponsor: as reported to ClinicalTrials.gov by Shanghai Jiao Tong University School of Medicine
- Last refreshed: 30 December 2024
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