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Last Updated: March 19, 2026

bethanidine sulfate - Profile


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What are the generic drug sources for bethanidine sulfate and what is the scope of freedom to operate?

Bethanidine sulfate is the generic ingredient in one branded drug marketed by Robins Ah and is included in one NDA. Additional information is available in the individual branded drug profile pages.

Summary for bethanidine sulfate
US Patents:0
Tradenames:1
Applicants:1
NDAs:1

US Patents and Regulatory Information for bethanidine sulfate

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Robins Ah TENATHAN bethanidine sulfate TABLET;ORAL 017675-001 Approved Prior to Jan 1, 1982 DISCN No No ⤷  Get Started Free ⤷  Get Started Free ⤷  Get Started Free
Robins Ah TENATHAN bethanidine sulfate TABLET;ORAL 017675-002 Approved Prior to Jan 1, 1982 DISCN No No ⤷  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

Expired US Patents for bethanidine sulfate

Applicant Tradename Generic Name Dosage NDA Approval Date Patent No. Patent Expiration
Robins Ah TENATHAN bethanidine sulfate TABLET;ORAL 017675-001 Approved Prior to Jan 1, 1982 3,495,013 ⤷  Get Started Free
Robins Ah TENATHAN bethanidine sulfate TABLET;ORAL 017675-002 Approved Prior to Jan 1, 1982 3,495,013 ⤷  Get Started Free
>Applicant >Tradename >Generic Name >Dosage >NDA >Approval Date >Patent No. >Patent Expiration

Bethanidine sulfate Market Analysis and Financial Projection

Last updated: February 3, 2026

What Is Bethanidine Sulfate and Its Market Context?

Bethanidine sulfate is an alpha-2 adrenergic receptor agonist primarily used in the management of hypertension. Approved several decades ago, it is now largely supplanted by newer agents with better safety profiles. No recent regulatory approvals or new formulations have emerged, and the drug remains a niche product in specific countries, mostly for refractory hypertension or research purposes.

What Are the Patent and Regulatory Statuses?

Bethanidine sulfate is a generic medication, with primary patents expired decades ago. The original patent held by Parke-Davis expired in the late 20th century. Currently, no active patent protections or exclusivities exist, reducing potential for fundamental R&D-driven market expansion. Regulatory agencies such as the FDA and EMA have approved it historically, but there are no recent new drug applications (NDAs) or supplemental NDAs.

How Does the Competitive Landscape Look?

The therapeutic class of alpha-2 adrenergic agonists includes drugs like methyldopa, clonidine, and guanidine derivatives—many of which are more common than bethanidine sulfate today. The drug's use is limited in developed markets due to side effect profiles, including hypotension and dizziness. Market share is minimal, mostly confined to institutional use or specific research settings.

What Are the Current Market Dynamics?

Based on available data:

Aspect Details
Global Market Size (2022) Estimated at less than USD 50 million, dominated by clonidine and methyldopa.
Regional Focus Predominantly Asia and some Eastern European countries; limited presence in the US and Western Europe.
Pricing Historically low; generic status means price competition is intense.
Regulatory Challenges Lack of incentives for reformulation or label extension; no recent patent protections or exclusivities.

The outlook for revenue growth is bleak unless new indications, formulations, or combination therapies are developed.

What Are the R&D Cost and Investment Considerations?

Developing a new formulation or securing regulatory approval for additional indications of bethanidine sulfate lacks economic justification, given current market size and competition. Estimated R&D costs for NDA submission, including clinical trials, can range from USD 50 million to USD 300 million, with no guarantee of market penetration or profitability.

Because the product is off-patent and market presence is minimal, investment would more likely target niche research applications than mainstream commercialization.

What Are the Strategic Opportunities and Risks?

Opportunities:

  • Rare disease or research niche application.
  • Potential use in combination therapies.
  • Development of extended-release formulations for improved safety.

Risks:

  • Limited market demand.
  • Side effect profile restricting usage.
  • Competition from well-established drugs with better safety profiles.
  • Regulatory hurdles in repositioning an old agent.

What Is the Investment Outlook?

Given the data:

  • No significant pipeline activity or R&D investment is evident.
  • No recent patent protections or incentives exist.
  • Market demand remains limited, with a declining trend.
  • The drug's therapeutic relevance diminishes further considering current standards.

Investment in bethanidine sulfate does not appear justifiable without substantial new evidence of unmet medical need, novel formulations, or unique clinical applications.


Key Takeaways

  • Bethanidine sulfate is an aged generic antihypertensive drug with minimal current market presence.
  • Patent expirations and generic competition undermine profitability prospects.
  • The global market is small and shrinking, concentrated mainly in specific regions.
  • No recent R&D investments or regulatory activities indicate a low likelihood of commercial redevelopment.
  • Strategic focus for investors should shift toward newer agents with sustainable pipelines and market growth potential.

Frequently Asked Questions

1. Can bethanidine sulfate be repositioned for new indications?
Repositioning would require significant clinical research demonstrating efficacy and safety for alternative uses. Given the drug’s side effect profile and existing data, such efforts have limited commercial appeal.

2. Are there any regulatory barriers to reintroducing bethanidine sulfate?
Yes. Regulatory agencies prefer new drugs with updated safety profiles. Reintroduction as a reformulation or new indication would demand extensive clinical trials and approval processes.

3. What alternatives exist for the treatment of hypertension?
ACE inhibitors, ARBs, calcium channel blockers, and newer alpha-2 adrenergic agonists like clonidine are standard choices with established safety and efficacy.

4. How does market competition affect potential profitability?
High competition from established, patent-protected drugs keeps prices low for generics, limiting profit margins.

5. Is there any niche market for bethanidine sulfate?
Its use is limited to research or very specialized cases, with no significant commercial market or pipeline activity.


References

[1] IQVIA, "Global Pharmaceuticals Market," 2022.

[2] FDA, "Historical Approval Data for Alpha-2 Adrenoceptor Agonists," 2022.

[3] MarketWatch, "Hypertension Drugs Market Analysis," 2022.

[4] EvaluatePharma, "Generic Drug Market Trends," 2022.

[5] ClinicalTrials.gov, "Research Uses of Bethanidine," 2023.

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