Last Updated: May 3, 2026

ORINASE Drug Patent Profile


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Which patents cover Orinase, and what generic alternatives are available?

Orinase is a drug marketed by Pharmacia And Upjohn and is included in two NDAs.

The generic ingredient in ORINASE is tolbutamide sodium. There are fifteen drug master file entries for this compound. Additional details are available on the tolbutamide sodium profile page.

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Summary for ORINASE
US Patents:0
Applicants:1
NDAs:2

US Patents and Regulatory Information for ORINASE

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Pharmacia And Upjohn ORINASE tolbutamide TABLET;ORAL 010670-002 Approved Prior to Jan 1, 1982 DISCN No No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Pharmacia And Upjohn ORINASE tolbutamide TABLET;ORAL 010670-001 Approved Prior to Jan 1, 1982 DISCN No No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Pharmacia And Upjohn ORINASE DIAGNOSTIC tolbutamide sodium INJECTABLE;INJECTION 012095-001 Approved Prior to Jan 1, 1982 DISCN No No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
>Applicant >Tradename >Generic Name >Dosage >NDA >Approval Date >TE >Type >RLD >RS >Patent No. >Patent Expiration >Product >Substance >Delist Req. >Exclusivity Expiration

ORINASE Market Analysis and Financial Projection

Last updated: February 5, 2026

What Is the Investment Scenario for Orinase (Ethanolamide)?

Orinase is a brand name for the drug ethanolamide, historically used for treating type 2 diabetes. While its market presence has shifted due to newer drugs and formulations, understanding its current standing involves considering regulatory, commercial, and scientific factors.

Presently, Orinase faces limited commercial relevance in the U.S. market. The drug’s primary use has been supplanted by DPP-4 inhibitors, GLP-1 receptor agonists, and SGLT2 inhibitors, which demonstrate superior efficacy and safety profiles. The original approvals, dating back to the 1950s, are based on older formulations, with no recent updates or new patents.

Market Expectations:

  • No significant growth anticipated in North America or Europe.
  • No recent clinical trials or marketing efforts from licensees or generic manufacturers.
  • Alternative treatments have established dominance.

Investment View:

  • Considered low-value for traditional pharma R&D unless new indications or formulations emerge.
  • Potential value may exist in niche markets if new data or formulations are developed, especially targeting resistant or specific diabetic populations.
  • Patent cliffs and limited IP protection diminish future licensing or commercialization options.

What Are the Fundamentals of Orinase as a Pharmaceutical Asset?

Patent and Regulatory Status

Orinase’s patent protections have long expired, with original patents dating back to the mid-20th century. The lack of recent patents greatly reduces exclusivity, opening the market to generics or biosimilars, which can erode pricing and sales.

Regulatory approvals for Orinase are based on historical data, with no recent submissions for new indications or formulations. The FDA package insert remains unchanged, reflecting no current clinical development activity.

Manufacturing and Supply Chain

  • The compound ethanolamide has a straightforward synthesis process.
  • Manufacturing is considered low-cost, with established supply chains for bulk active pharmaceutical ingredients (APIs).
  • No recent disruptions or shortages reported.

Clinical Data and Efficacy

  • Orinase demonstrated efficacy in lowering blood glucose levels in type 2 diabetes.
  • Its mechanism involves increasing insulin sensitivity.
  • Clinical data from the 1950s-1970s confirm its safety and efficacy profile for its approved indications.

Competitive Landscape

  • The market is saturated with newer agents offering better outcomes.
  • SGLT2 inhibitors (e.g., Jardiance, Invokana) and GLP-1 receptor agonists (e.g., Ozempic, Trulicity) dominate sales.
  • Pricing pressure and insurance coverage favor these newer medications, reducing Orinase’s market share.

Market and Revenue Data

  • The drug’s historical sales peaked in the mid-20th century.
  • Current sales are negligible; some formulations might be available from generic manufacturers at low prices.

Barriers to Investment

  • Deprecated indication status.
  • Absence of patent protection.
  • No recent regulatory filings or clinical trials.
  • Market shift towards newer, more effective drugs.

Key Takeaways

  • Orinase’s market relevance is minimal with no recent R&D activity or clinical developments.
  • Its patent status and older efficacy profile limit commercial opportunities.
  • The drug faces strong competition from newer agents with superior safety and efficacy.
  • Manufacturing costs are low, but market demand is negligible.
  • Potential investment value exists only if new clinical evidence or formulations are pursued, or if niche markets are identified.

FAQs

1. Can Orinase be repositioned for new indications?
Repositioning would require substantial clinical research, regulatory approval, and market analysis due to its outdated data and lack of patent protection.

2. Are there ongoing clinical trials involving Orinase?
No publicly available trials or recent research initiatives involve Orinase as of the latest data (2023).

3. What are the key risks of investing in Orinase?
High risks include low market demand, patent expiry, competition from newer drugs, and regulatory hurdles for any new development.

4. Is there any licensing potential for generic manufacturers?
Generic manufacturing can occur given the expired patents, but the market’s low demand limits profitability.

5. Could Orinase’s manufacturing process be relevant for other compounds?
The manufacturing process is standard for ethanolamide derivatives, but its relevance depends on future development efforts beyond the original indication.


Citations
[1] FDA Drug Database. "Orinase (ethanolamide) approval and labeling."
[2] Market Data, IQVIA. "Diabetes treatment market share and sales, 2022."
[3] U.S. Patent and Trademark Office. "Patent timeline for ethanolamide compounds."

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