Last Updated: November 13, 2026

METHOHEXITAL SODIUM Drug Patent Profile

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When do Methohexital Sodium patents expire, and what generic alternatives are available?

Methohexital Sodium is a drug marketed by Onesource Specialty and is included in one NDA.

The generic ingredient in METHOHEXITAL SODIUM is methohexital sodium. Three suppliers are listed for this compound. Additional details are available on the methohexital sodium profile page.

DrugPatentWatch® Litigation and Generic Entry Outlook for Methohexital Sodium

A generic version of METHOHEXITAL SODIUM was approved as methohexital sodium by ONESOURCE SPECIALTY on October 3rd, 2024.

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Summary for METHOHEXITAL SODIUM
US Patents:0
Applicants:1
NDAs:1

US Patents and Regulatory Information for METHOHEXITAL SODIUM

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Onesource Specialty METHOHEXITAL SODIUM methohexital sodium INJECTABLE;INJECTION 215488-001 Oct 3, 2024 AP RX 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

Methohexital Sodium: Investment Scenario and Fundamentals Analysis

Last updated: February 20, 2026

What are the market prospects for methohexital sodium?

Methohexital sodium is a barbiturate used primarily as an anesthetic agent, especially in neurosurgery and diagnostic procedures. Market demand hinges on its clinical utility amid evolving anesthesia protocols. Its status as a Schedule IV controlled substance imposes manufacturing and distribution restrictions that limit supply, impacting availability and potential pricing.

Global anesthesia drug market is projected to grow at a compound annual growth rate (CAGR) of approximately 8.4% from 2023 to 2030, driven by rising surgical procedures, aging populations, and increased adoption of anesthesia. However, the segment's growth is influenced by increasing regulatory scrutiny and the development of newer anesthetic agents with potentially fewer side effects.

What are the key industry and regulatory factors?

Regulatory environment

  • Manufacturing restrictions: As a schedule IV controlled substance in the U.S., methohexital sodium requires strict licensing, impacting manufacturing capacity and costs.
  • Approvals: Approved by authorities such as the FDA in the U.S. and EMA in Europe for specific indications. No recent approval expansions reported, limiting market penetration.
  • Control measures: Stringent handling and recordkeeping requirements curb proliferation of low-cost generics or illicit diversion.

Competitive landscape

  • Market share: Major suppliers produce limited volumes due to low demand relative to other anesthetics like propofol or etomidate.
  • Alternatives: Use of newer agents reduces reliance on methohexital. The trend favors agents with fewer side effects and simpler administration protocols.
  • Generics: Existing manufacturing is primarily generics, with no recent innovative formulations.

What are the cost and supply chain considerations?

Manufacturing costs

  • Producing methohexital sodium involves complex synthesis pathways with low yields.
  • Regulatory compliance incurs additional costs, especially for controlled substances.
  • Limited suppliers reduce economies of scale and increase per-unit costs.

Supply chain risks

  • Stringent controls cause potential delays in manufacturing and distribution.
  • Dependence on few manufacturers heightens supply disruption risks.
  • Export restrictions and license requirements complicate international sales.

What are the clinical and market fundamentals?

Clinical utility

  • Used in specific anesthetic procedures requiring short-acting barbiturates.
  • Preferred in neurosurgery for its rapid onset and minimal respiratory depression.
  • Risks include hypotension and respiratory suppression, which limit broader adoption.

Market size and growth

Segment 2023 Market Size (USD million) Projected CAGR (2023-2030) Remarks
Anesthetic agents ~$2,500 8.4% Methohexital represents a small fraction, under 10% overall
Neurosurgical procedures Specific subset, small - Limited use, niche market
  • The direct market for methohexital sodium remains small; industry estimates peg annual global sales below USD 100 million.
  • Demand is driven by institutions requiring specific anesthetic protocols, not general anesthesia.

What are the investment implications?

  • Exit risk: Limited growth prospects and regulatory challenges suppress long-term investment returns.
  • Market saturation: The niche use and replacement by newer agents limit expansion.
  • Supply constraints: The controlled substance status creates supply chain vulnerabilities that can inflate costs or cause shortages, adding volatility.

What are the promising opportunities and challenges?

Opportunities

  • Limited existing competition in niche indications could support premium pricing.
  • Potential for developing formulations with improved pharmacokinetics or reduced side effects may create niche markets.
  • Strategic partnerships with specialized manufacturers might optimize supply chains.

Challenges

  • Regulatory barriers impede rapid entry or expansion.
  • Competitive pressure from non-barbiturate anesthetics.
  • Declining clinical preference for barbiturates.

Key takeaways

  • The overall market for methohexital sodium remains small, constrained by regulatory, safety, and clinical factors.
  • Demand centers on niche neurosurgical and diagnostic procedures with limited growth potential.
  • Supply chain risks and manufacturing costs are heightened due to controlled substance status.
  • Industry shift towards newer agents further diminishes its commercial relevance.
  • Investment outlook indicates low growth, high regulatory burden, and limited expansion opportunities.

FAQs

1. What is the primary use of methohexital sodium?
It's used as an anesthetic, mainly in neurosurgery and diagnostic procedures requiring short-acting barbiturates.

2. How does regulatory status affect its market?
Being a Schedule IV controlled substance imposes licensing, handling, and distribution restrictions that limit manufacturing scale and increase costs.

3. Are there competitors to methohexital sodium?
Yes, newer anesthetic agents like propofol and etomidate are replacing it due to better safety profiles and ease of use.

4. Is there any ongoing R&D for methohexital sodium?
Limited, mainly focused on formulations that improve pharmacokinetics or reduce side effects, but no major pipeline developments reported.

5. What is the future outlook for methohexital sodium market?
Diminishing demand and regulatory challenges suggest a declining or stable niche market with limited growth prospects.


References

[1] MarketDataReports. (2022). Global anesthetic drugs market forecast.
[2] U.S. Food and Drug Administration. (2022). Drug approval database.
[3] European Medicines Agency. (2022). Drug approval notifications.
[4] Statista. (2023). Anesthetic agents market size and growth rates.
[5] International Narcotics Control Board. (2022). Controlled substances regulations.

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