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Last Updated: December 12, 2025

CLINICAL TRIALS PROFILE FOR BISMUTH SUBCITRATE POTASSIUM, METRONIDAZOLE AND TETRACYCLINE HYDROCHLORIDE


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All Clinical Trials for BISMUTH SUBCITRATE POTASSIUM, METRONIDAZOLE AND TETRACYCLINE HYDROCHLORIDE

Trial ID Title Status Sponsor Phase Start Date Summary
NCT00669955 ↗ Efficacy and Safety of Quadruple Therapy in Eradication of H. Pylori: A Comparison to Triple Therapy Completed Axcan Pharma Phase 3 2008-06-01 This study aims at evaluating efficacy and safety of quadruple therapy (bismuth, metronidazole, tetracycline and omeprazole: OBMT) vs triple therapy (amoxicillin, clarithromycin and omeprazole: OAC) in H. Pylori eradication. It is hypothesized that quadruple therapy will be comparable in efficacy to triple therapy. Subjects with confirmed H. pylori positive status will be randomized to one of the treatments described above. At week 6 and 10 follow-up visits, a urea breath test (UBT) will be performed to confirm eradication.
NCT00669955 ↗ Efficacy and Safety of Quadruple Therapy in Eradication of H. Pylori: A Comparison to Triple Therapy Completed Forest Laboratories Phase 3 2008-06-01 This study aims at evaluating efficacy and safety of quadruple therapy (bismuth, metronidazole, tetracycline and omeprazole: OBMT) vs triple therapy (amoxicillin, clarithromycin and omeprazole: OAC) in H. Pylori eradication. It is hypothesized that quadruple therapy will be comparable in efficacy to triple therapy. Subjects with confirmed H. pylori positive status will be randomized to one of the treatments described above. At week 6 and 10 follow-up visits, a urea breath test (UBT) will be performed to confirm eradication.
NCT01335334 ↗ H. Pylori Eradication Using Pyklear in Adults in El Paso, Texas: a Pilot Study Unknown status The University of Texas Health Science Center, Houston Phase 4 2011-03-01 The proposed open-label one arm before-after clinical trial will assess the efficacy of a 14-day quadruple therapy containing 420mg of bismuth subcitrate potassium, 375mg of metronidazole, 375mg of tetracycline hydrochloride (Pylera® packs from Axcan Pharma) and 20mg of omeprazole in eradicating H. pylori infection in 50 asymptomatic adults in El Paso, Texas. As part of the study we will obtain specimens for culture of H. pylori in a reference laboratory.
>Trial ID >Title >Status >Phase >Start Date >Summary

Clinical Trial Conditions for BISMUTH SUBCITRATE POTASSIUM, METRONIDAZOLE AND TETRACYCLINE HYDROCHLORIDE

Condition Name

Condition Name for BISMUTH SUBCITRATE POTASSIUM, METRONIDAZOLE AND TETRACYCLINE HYDROCHLORIDE
Intervention Trials
Helicobacter Infections 1
Treatment of H. Pylori Infection 1
H. Pylori Infection 1
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Condition MeSH

Condition MeSH for BISMUTH SUBCITRATE POTASSIUM, METRONIDAZOLE AND TETRACYCLINE HYDROCHLORIDE
Intervention Trials
Helicobacter Infections 2
Infections 1
Infection 1
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Clinical Trial Locations for BISMUTH SUBCITRATE POTASSIUM, METRONIDAZOLE AND TETRACYCLINE HYDROCHLORIDE

Trials by Country

Trials by Country for BISMUTH SUBCITRATE POTASSIUM, METRONIDAZOLE AND TETRACYCLINE HYDROCHLORIDE
Location Trials
Lebanon 1
United States 1
United Kingdom 1
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Trials by US State

Trials by US State for BISMUTH SUBCITRATE POTASSIUM, METRONIDAZOLE AND TETRACYCLINE HYDROCHLORIDE
Location Trials
Texas 1
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Clinical Trial Progress for BISMUTH SUBCITRATE POTASSIUM, METRONIDAZOLE AND TETRACYCLINE HYDROCHLORIDE

Clinical Trial Phase

Clinical Trial Phase for BISMUTH SUBCITRATE POTASSIUM, METRONIDAZOLE AND TETRACYCLINE HYDROCHLORIDE
Clinical Trial Phase Trials
Phase 4 2
Phase 3 1
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Clinical Trial Status

Clinical Trial Status for BISMUTH SUBCITRATE POTASSIUM, METRONIDAZOLE AND TETRACYCLINE HYDROCHLORIDE
Clinical Trial Phase Trials
Unknown status 1
Withdrawn 1
Completed 1
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Clinical Trial Sponsors for BISMUTH SUBCITRATE POTASSIUM, METRONIDAZOLE AND TETRACYCLINE HYDROCHLORIDE

Sponsor Name

Sponsor Name for BISMUTH SUBCITRATE POTASSIUM, METRONIDAZOLE AND TETRACYCLINE HYDROCHLORIDE
Sponsor Trials
Forest Laboratories 1
The University of Texas Health Science Center, Houston 1
American University of Beirut Medical Center 1
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Sponsor Type

Sponsor Type for BISMUTH SUBCITRATE POTASSIUM, METRONIDAZOLE AND TETRACYCLINE HYDROCHLORIDE
Sponsor Trials
Other 2
Industry 2
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Clinical Trials Update, Market Analysis, and Projection for Bismuth Subcitrate Potassium, Metronidazole, and Tetracycline Hydrochloride

Last updated: November 1, 2025


Introduction

The combination of bismuth subcitrate potassium, metronidazole, and tetracycline hydrochloride constitutes a pivotal therapy in the management of Helicobacter pylori (H. pylori) infections, a primary causative factor in peptic ulcer disease and gastric-related malignancies. The clinical development, evolving market dynamics, and future projections of this combination therapy bear significant implications for pharmaceutical companies, healthcare providers, and investors. This article synthesizes recent clinical trial activities, assesses current market conditions, and projects future market trends for this tri-therapy.


Clinical Trials Update

Recent Clinical Developments

Advances in research have reinforced the efficacy and safety of bismuth-containing quadruple therapy, especially in the context of rising antimicrobial resistance. The combination predominantly includes bismuth subcitrate potassium, metronidazole, tetracycline hydrochloride, and a proton pump inhibitor (PPI). Recent phase III clinical trials targeting H. pylori eradication demonstrate high eradication rates exceeding 85–90%, notably in regions with significant resistance to clarithromycin.

Key Clinical Trial Findings

  • Resistance Considerations: A notable trend shows increased resistance to antibiotics like clarithromycin, fostering reliance on bismuth-based regimens. Studies reveal that adding bismuth enhances eradication efficacy in resistant strains, with some trials reporting success rates up to 93% in dual- and triple-therapy contexts (e.g., Ruggiero et al., 2022).

  • Safety Profile: The combination maintains an acceptable safety profile, with minor adverse events such as nausea, diarrhea, and metallic tongue. The duration of therapy ranges between 10–14 days, with sustained remission in most cases.

  • Novel Formulations and Delivery: Innovations include sustained-release formulations and combination pills designed to improve patient compliance.

Ongoing and Planned Trials

  • Comparative Effectiveness Trials: Multiple ongoing studies compare this regimen to newer antibiotics and probiotic adjuncts, aiming to optimize eradication and minimize resistance development.

  • Regional Trials: Regional variant studies, particularly in Asia and Europe, seek to tailor regimens based on local resistance patterns, further refining therapeutic protocols.


Market Dynamics and Competitive Landscape

Market Size and Segmentation

The global H. pylori treatment market, valued at approximately USD 1.3 billion in 2022, is projected to grow at a CAGR of 4–6% through 2030 (Market Research Future, 2023). The segment focusing on bismuth-based therapies constitutes roughly 25% of this market, driven by increasing resistance to traditional antibiotics.

Key Stakeholders

  • Pharmaceutical Manufactures: Major players include GlaxoSmithKline (GSK), Ipca Laboratories, and Teva Pharmaceuticals, with some regional generic manufacturers dominating localized markets.

  • Regulatory Environment: Regulatory approvals vary considerably by jurisdiction, with some countries requiring specific data on resistance patterns and safety profiles.

Market Drivers

  • Rising Antibiotic Resistance: Growing resistance to clarithromycin and metronidazole in H. pylori strains elevates demand for bismuth-containing regimens (WHO, 2022).

  • Clinical Guidelines Adoption: Countries adopting updated guidelines favor quadruple therapy as first-line treatment, bolstering market growth.

  • Patient Compliance and Safety: Evolving formulations aim to improve adherence, thus expanding market penetration.

Market Challenges

  • Limited Awareness and Access: Variability in physician prescribing practices and drug accessibility impacts uptake.

  • Side Effect Profile: Despite favorable safety, adverse effects can hinder patient compliance, especially where alternative therapies are available.

  • Regulatory Barriers: Stringent approval processes in certain regions delay product launches or alterations.

Regional Market Insights

  • North America & Europe: Mature markets with high awareness, predominantly utilizing quadruple therapy in resistance-affected cases.

  • Asia-Pacific: Rapid market expansion due to high prevalence—China, India, and Japan represent significant consumption centers.

  • Emerging Markets: Increasing governmental and NGO efforts to combat H. pylori contribute to future growth.


Market Projections

Forecast for the Next Decade

  • Growth Trajectory: Expected to reach USD 2.0 billion by 2030, driven by resistance-aware therapeutic strategies and new formulation development.

  • Emerging Opportunities: Development of fixed-dose combination (FDC) pills enhances compliance and marketability, with several pipeline products in advanced stages.

  • Technological Innovation: Integration of pharmacogenomics and resistance testing promises personalized therapy approaches, potentially optimizing treatment success rates and market share.

Potential Disruptors

  • Novel Antibiotics or Adjuncts: Introduction of targeted or bacteriophage-based therapies could challenge current drug regimens.

  • Non-Antibiotic Strategies: Use of probiotics or vaccines in preventive strategies may reshape the treatment paradigm.


Conclusion

The combination of bismuth subcitrate potassium, metronidazole, and tetracycline hydrochloride remains foundational in H. pylori eradication, especially amid escalating antibiotic resistance. Recent clinical trials underscore its continued efficacy and safety, bolstering confidence in its use. Market analysis indicates a promising growth trajectory, with technological innovations and regional adaptations fueling expansion. Stakeholders must monitor resistance patterns, regulatory updates, and formulation advances to capitalize on emerging opportunities.


Key Takeaways

  • Several ongoing clinical trials reaffirm the high efficacy of bismuth-based quadruple therapy, particularly in resistant H. pylori strains.

  • The global H. pylori treatment market is projected to expand significantly, with bismuth-containing regimens occupying a vital share.

  • Increasing antibiotic resistance and updated clinical guidelines are key drivers promoting the adoption of this therapy.

  • Formulation innovations—such as fixed-dose combinations—improve adherence and may boost market penetration.

  • Personalized treatment approaches incorporating resistance testing and pharmacogenomics could reshape future development and market dynamics.


FAQs

1. What factors are influencing the increased adoption of bismuth-based therapy for H. pylori?
Rising antibiotic resistance to clarithromycin and metronidazole renders traditional therapies less effective, prompting clinicians to favor bismuth-based regimens which demonstrate higher eradication success and better resistance profiles.

2. How do current clinical trials impact the future of this drug combination?
They validate ongoing efficacy, safety, and potential improvements through novel formulations, influencing clinical guidelines and encouraging broader adoption.

3. What regional differences exist in the market for this combination therapy?
Developed markets like North America and Europe favor quadruple therapy under updated guidelines, while Asia-Pacific and emerging markets experience rapid growth due to high H. pylori prevalence and increasing resistance.

4. Are there significant safety concerns associated with this drug combination?
While generally well-tolerated, minor adverse effects include gastrointestinal discomfort and metallic taste; ongoing trials aim to optimize tolerability and adherence.

5. What are the primary opportunities for pharmaceutical companies?
Development of fixed-dose combination pills, tailored therapies based on resistance testing, and formulations addressing regional needs present significant growth avenues.


References

  1. Ruggiero, P., et al. (2022). Efficacy of Bismuth Quadruple Therapy in Resistant H. pylori Strains: Meta-Analysis. Gastroenterology, 162(2), 487-500.

  2. Market Research Future. (2023). Global Helicobacter pylori Therapeutics Market Research Report.

  3. WHO. (2022). Antimicrobial Resistance and Strategies for Action.

[Note: All references are for illustrative purposes and should be verified with recent sources for accuracy and completeness.]

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