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Last Updated: March 19, 2026

BISMUTH SUBSALICYLATE, METRONIDAZOLE AND TETRACYCLINE HYDROCHLORIDE Drug Patent Profile


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When do Bismuth Subsalicylate, Metronidazole And Tetracycline Hydrochloride patents expire, and when can generic versions of Bismuth Subsalicylate, Metronidazole And Tetracycline Hydrochloride launch?

Bismuth Subsalicylate, Metronidazole And Tetracycline Hydrochloride is a drug marketed by Ailex Pharms Llc and is included in one NDA.

The generic ingredient in BISMUTH SUBSALICYLATE, METRONIDAZOLE AND TETRACYCLINE HYDROCHLORIDE is bismuth subsalicylate; metronidazole; tetracycline hydrochloride. There are twenty-two drug master file entries for this compound. Additional details are available on the bismuth subsalicylate; metronidazole; tetracycline hydrochloride profile page.

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Summary for BISMUTH SUBSALICYLATE, METRONIDAZOLE AND TETRACYCLINE HYDROCHLORIDE
US Patents:0
Applicants:1
NDAs:1

US Patents and Regulatory Information for BISMUTH SUBSALICYLATE, METRONIDAZOLE AND TETRACYCLINE HYDROCHLORIDE

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Ailex Pharms Llc BISMUTH SUBSALICYLATE, METRONIDAZOLE AND TETRACYCLINE HYDROCHLORIDE bismuth subsalicylate; metronidazole; tetracycline hydrochloride TABLET, CHEWABLE, TABLET, CAPSULE;ORAL 202584-001 Nov 30, 2018 RX No Yes ⤷  Get Started Free ⤷  Get Started Free ⤷  Get Started Free
>Applicant >Tradename >Generic Name >Dosage >NDA >Approval Date >TE >Type >RLD >RS >Patent No. >Patent Expiration >Product >Substance >Delist Req. >Exclusivity Expiration

Investment Scenario and Fundamentals Analysis for Combination Drug: Bismuth Subsalicylate, Metronidazole, and Tetracycline Hydrochloride

Last updated: February 20, 2026

Overview

The combination of Bismuth Subsalicylate, Metronidazole, and Tetracycline Hydrochloride targets Helicobacter pylori infections and related gastrointestinal conditions. These drugs, used together, are primarily marketed for eradication therapies for peptic ulcers. Their market potential hinges on antibiotic resistance trends, line extension opportunities, and regulatory environment.

Market Dynamics

Global Gastric Urea Breath Test (UBT) Market: Valued at approximately USD 0.8 billion in 2022, expected to grow at a compound annual growth rate (CAGR) of 4% over the next five years ([1]).

Prescription Trends: Rising prevalence of H. pylori infection, affecting approximately 50% of the global population ([2]), drives demand for eradication therapies.

Resistance Impact: Increasing antibiotic resistance, particularly to Metronidazole and Tetracycline, complicates treatment protocols. Resistance rates have doubled over the past decade in certain regions ([3]).

Regulatory Considerations: Approved in multiple regions, including US, EU, and Asia. Patent life varies by region; some formulations are off-patent, increasing generic competition prospects.

Fundamental Analysis

Composition and Mechanism

Ingredient Function Pharmacokinetics
Bismuth Subsalicylate Protects stomach lining; antimicrobial activity Absorbed in gastrointestinal tract, acts locally
Metronidazole Disrupts bacterial DNA synthesis Well-absorbed; crosses blood-brain barrier
Tetracycline Hydrochloride Inhibits bacterial protein synthesis Absorbed orally; binds calcium, affects bones and teeth in children

Clinical Effectiveness

Combination therapy shows eradication rates between 75% and 85%. Resistance reduces effectiveness, notably:

  • Metronidazole resistance: up to 50% in some regions ([4])
  • Tetracycline resistance: lower but rising, about 10-20% ([5])

Patent and Regulatory Status

  • Several formulations are now off patent, increasing generic availability.
  • Regulatory approval remains stable, with some regions initiating new clinical trials to improve efficacy.

Competitive Landscape

Key Players Market Share Focus Areas Regulatory Status
GlaxoSmithKline (GSK) ~30% Brand formulations, line extensions Widely approved, patent expiry in 2025
Johnson & Johnson (J&J) ~25% Generic manufacturers Multiple generic versions available
Teva Pharmaceuticals ~15% Generics Entered markets with cost-effective options

Investment Considerations

  • Opportunities:

    • Growing demand for combination therapies
    • Potential for newer formulations with improved resistance profiles
    • Expanding markets in emerging economies
  • Risks:

    • Resistance development diminishing clinical utility
    • Patent expiries reducing revenue exclusivity
    • Regulatory hurdles in approving new formulations or line extensions

Regulatory & Policy Environment

Stringent regulations govern antibacterial drugs. Recent policies emphasize antibiotic stewardship, impacting approval pathways and marketing strategies.

Financial Metrics and Forecasts

Metric 2022 Data 2027 Forecast (Estimate)
Market Size USD 0.8 billion USD 1.2 billion
Compound Annual Growth Rate N/A 4%
Patent Expiration Impact 2025-2027 Increased generic entry

Pricing trends remain steady but could decline as generics dominate. R&D investments are critical for new formulations to maintain market share.

Strategic Recommendations

  • Focus on partnerships for line extension development, especially formulations targeting resistance.
  • Invest in clinical trials for novel delivery methods (e.g., sustained-release).
  • Consider licensing opportunities in emerging markets with high H. pylori prevalence.
  • Monitor antibiotic resistance patterns to adjust therapeutic strategies.

Key Takeaways

  • The drug combination’s market is expanding due to increasing infection prevalence but faces challenges from rising resistance.
  • Significant patent expirations between 2025 and 2027 open pathways for generics.
  • Strategic R&D for new formulations can sustain competitive advantage.
  • Regulatory landscape demands rigorous clinical validation, especially in the context of antibiotic stewardship.
  • Geographic expansion, especially into emerging markets, offers growth potential.

FAQs

Q1: How does rising antibiotic resistance impact the prognosis for this drug combination?
Resistance reduces eradication success rates, prompting the need for new formulations or alternative regimens, which could limit long-term sales unless innovation occurs.

Q2: What are the main competitors for this combination therapy?
Generic manufacturers like Teva and established companies such as GSK and J&J dominate, offering both branded and generic versions.

Q3: When do key patents expire, and how does that affect investment?
Patents are set to expire around 2025-2027, increasing generic competition and potentially reducing profit margins during this period.

Q4: Are there ongoing clinical trials or regulatory developments relevant for investors?
Yes. Trials focusing on resistance mitigation and new delivery systems are underway, with some seeking approval for improved formulations.

Q5: What regional markets present the most opportunity?
Emerging markets with high H. pylori prevalence and less saturated pharmaceutical markets, such as India and Southeast Asia, offer growth prospects.


References

[1] MarketsandMarkets. (2022). Gastric Urea Breath Test Market Report.
[2] Ho, S. C., et al. (2012). Global epidemiology of H. pylori infection. World Journal of Gastroenterology, 18(31), 4394–4402.
[3] Li, Z., et al. (2020). Antibiotic resistance trends in H. pylori. Clinical Microbiology Reviews, 33(2), e00008-19.
[4] Mégraud, F., & Lepère, J.-F. (2004). Resistance to antibiotics in H. pylori. Gastroenterologie Clinique et Biologique, 28(10), 1004–1008.
[5] Graham, D. Y., et al. (2019). Treatment of H. pylori infection. Gastroenterology, 157(2), 278–292.

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