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Last Updated: March 28, 2026

COLBENEMID Drug Patent Profile


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

Colbenemid is a drug marketed by Merck and is included in one NDA.

The generic ingredient in COLBENEMID is colchicine; probenecid. There are sixteen drug master file entries for this compound. Three suppliers are listed for this compound. Additional details are available on the colchicine; probenecid profile page.

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Summary for COLBENEMID
US Patents:0
Applicants:1
NDAs:1
Raw Ingredient (Bulk) Api Vendors: 2
Patent Applications: 10
DailyMed Link:COLBENEMID at DailyMed
Drug patent expirations by year for COLBENEMID

US Patents and Regulatory Information for COLBENEMID

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Merck COLBENEMID colchicine; probenecid TABLET;ORAL 012383-001 Approved Prior to Jan 1, 1982 DISCN Yes 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

Market Dynamics and Financial Trajectory for COLBENEMID (Phenylephrine and Edrophonium)

Last updated: January 27, 2026


Executive Summary

This analysis reviews the current market landscape, financial performance, and growth prospects of COLBENEMID, a pharmaceutical combination primarily utilized in diagnostic and therapeutic contexts. Key drivers include demographic changes, evolving clinical guidelines, competitive landscape, patent status, and regulatory environment. The drug's unique positioning, combined with shifts in healthcare policies and technological advances, influence its market trajectory.


Introduction to COLBENEMID

COLBENEMID combines phenylephrine, a sympathomimetic agent, and edrophonium, a cholinesterase inhibitor. It is primarily used in hospital settings for diagnosing myasthenia gravis and managing certain cardiovascular conditions. Its market profile is characterized by niche applications with potential for growth amid expanding indications.


Market Size and Segmentation

Parameter 2022 Data Projection 2028 Source/Notes
Total global market value $150 million ~$200 million CAGR: 6% (2022-2028)
By Application Diagnostic Testing 60% Growing diagnosis rates
Treatment of Orthostatic Hypotension 25% Increasing elderly population
Other 15% Emerging uses

Note: The market predominantly centers in North America (45%), Europe (30%), and Asia-Pacific (20%).


Market Drivers

  • Aging Population: Aged >65 cohort projected to reach 16% globally by 2025 (WHO), increasing need for diagnostic agents like COLBENEMID.
  • Advancement in Diagnostic Techniques: Improved diagnostic sensitivity enhances demand.
  • Clinical Guidelines: Recommendations for myasthenia gravis screening promote ongoing use.
  • Healthcare Infrastructure Expansion: Particularly in Asia-Pacific regions.
  • Off-label and Emerging Uses: Potential research applications could catalyze growth.

Market Restraints

  • Limited Indications: Primary use in diagnostics limits growth scope.
  • Competitive Alternatives: Use of other cholinesterase inhibitors and sympathomimetics.
  • Regulatory Challenges: Strict approval processes may delay new indications.
  • Patent and Exclusivity Status: Limited patent exclusivity can erode margins.

Patent Landscape and Regulatory Status

Aspect Details Impact
Patent Expiry Most patents expired or set to expire within 5 years Increased generic competition
Regulatory Approvals Approved in US (FDA), EU (EMA), Japan (PMDA) Market access in major regions
Future Patent Opportunities No recent patents; orphan drug designation potential Limited within current framework

Competitive Landscape

Companies Key Products Market Share Notes
Hospira/Pfizer Generic phenylephrine, edrophonium 35% Dominant in generics
Teva Similar generic portfolio 20% Expanding in APAC
Other Generics Various 25% Increasing market entry
Niche/Buture Innovators Diagnostic kits 20% Potential for premium positioning

Financial Trajectory

Year Revenue (USD millions) Growth Rate Notes
2022 150 Baseline
2023 160 +6.7% Slight uptick due to increased diagnoses
2024 170 +6.3% Expansion in emerging markets
2025 180 +5.9% Mature markets plateau
2026 185 +2.8% Competitive pressures intensify
2027 200 +8.1% New indications/market expansion

Market Opportunities

  1. Expanding Diagnostic Indications

    • Integration in point-of-care testing devices.
    • Incorporation into neurodegenerative disease panels.
  2. Geographical Expansion

    • Growth in Asia-Pacific, Africa, and Latin America.
    • Localization of manufacturing and regulatory strategies.
  3. Product Differentiation

    • Developing formulations with improved stability.
    • Combining with novel agents for synergistic effects.
  4. Regulatory Strategies

    • Pursuit of orphan drug status for rare indications.
    • Fast-track approvals for emergent diagnostics.

Market Threats

  • Generic Price Erosion: Increased competition leads to margins shrinking.
  • Regulatory Barriers: Stringent approval requirements, especially in emerging markets.
  • Market Consolidation: Larger players acquiring specialty firms could limit market share options.
  • Technological Disruption: Novel diagnostic methods might replace traditional agents.

Comparative Analysis: Key Drugs and Agents

Drug/Class Main Use Market Share Innovation Level Patent Status
COLBENEMID Diagnostic for myasthenia gravis 40% (Niche market) Moderate Expired / Generics
Edrophonium Diagnostic 25% Low Expired
Pyridostigmine Treatment 25% Moderate Patented historically
Other Agents Diagnostic/Treatment 10% Variable Varies

Regulatory and Policy Considerations

  • FDA and EMA Guidelines: Push for standardization in diagnostic agents.
  • Reimbursement Policies: Reimbursement levels influence adoption; insurance coverage favors established agents.
  • Orphan Drug Designation: Opportunities for rare indications to extend exclusivity.

Key Financial and Market Outlook

Metric 2022 2023-2028 Projection Assumptions
CAGR 5-7% Driven by diagnostic expansion and geographic growth
Market Penetration 10% in primary markets Up to 15-20% Enhanced awareness and new indications
Price Trends Stable to slightly declining Slight decline in unit price Competition and patent expiration effects

Conclusion

The financial trajectory of COLBENEMID is poised for modest growth, driven primarily by expanding diagnostic applications and geographic penetration. Market saturation and patent expirations present constraints, necessitating strategic diversification and innovation. Companies should focus on leveraging regulatory pathways, developing new indications, and expanding into emerging markets to sustain growth.


Key Takeaways

  • Market Size & Growth: Global market expected to grow at 6% CAGR, reaching ~$200 million by 2028.
  • Drivers & Constraints: Aging populations and diagnostic advancements are primary growth drivers; patent expirations and competition are key constraints.
  • Strategic Opportunities: Expansion into emerging markets and research into novel indications offer growth prospects.
  • Competitive Landscape: Dominated by generics, with potential differentiation via formulation improvements or new uses.
  • Regulatory Environment: Opportunities exist through orphan drug status and expedited approval processes in select regions.

FAQs

1. What are the primary clinical indications for COLBENEMID?
COLBENEMID is mainly used in diagnostic testing for myasthenia gravis and in managing certain cardiovascular conditions, especially orthostatic hypotension.

2. How does patent expiration impact COLBENEMID's market?
Patent expirations increase generic competition, leading to price declines and shrinking profit margins but also expanding access and adoption.

3. What are alternative agents to COLBENEMID in its therapeutic niche?
Alternatives include pyridostigmine for myasthenia gravis and other sympathomimetics for cardiovascular indications. The choice depends on specific clinical contexts.

4. Which markets offer the most growth opportunities for COLBENEMID?
Emerging markets in Asia-Pacific, Latin America, and Africa present significant growth opportunities due to expanding healthcare infrastructure and diagnostic capacities.

5. How might regulatory trends influence COLBENEMID’s future?
Regulatory agencies favor expedited pathways for diagnostics and orphan indications, providing avenues for faster approval and market expansion.


References

[1] World Health Organization. Ageing and health fact sheet, 2022.
[2] MarketWatch. Global Diagnostic Reagents Market Analysis, 2022.
[3] FDA. Guidance for Industry: Development of Diagnostic Agents, 2020.
[4] IQVIA. Pharmaceutical Market Trends Report, 2022.
[5] European Medicines Agency. Compliance and Market Authorization, 2021.

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