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Last Updated: March 26, 2026

CARBINOXAMINE MALEATE Drug Patent Profile


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When do Carbinoxamine Maleate patents expire, and when can generic versions of Carbinoxamine Maleate launch?

Carbinoxamine Maleate is a drug marketed by Cypress Pharm, Genus, Ph Health, Leading, Mikart, Mission Pharmacal, Senores Pharms, and Strides Pharma Intl. and is included in ten NDAs.

The generic ingredient in CARBINOXAMINE MALEATE is carbinoxamine maleate. There are seven drug master file entries for this compound. Nine suppliers are listed for this compound. Additional details are available on the carbinoxamine maleate profile page.

DrugPatentWatch® Litigation and Generic Entry Outlook for Carbinoxamine Maleate

A generic version of CARBINOXAMINE MALEATE was approved as carbinoxamine maleate by GENUS on March 19th, 2003.

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  • What is the 5 year forecast for CARBINOXAMINE MALEATE?
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Drug patent expirations by year for CARBINOXAMINE MALEATE
Drug Prices for CARBINOXAMINE MALEATE

See drug prices for CARBINOXAMINE MALEATE

Pharmacology for CARBINOXAMINE MALEATE
Anatomical Therapeutic Chemical (ATC) Classes for CARBINOXAMINE MALEATE

US Patents and Regulatory Information for CARBINOXAMINE MALEATE

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Cypress Pharm CARBINOXAMINE MALEATE carbinoxamine maleate SOLUTION;ORAL 090418-001 May 4, 2010 DISCN No No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Mikart CARBINOXAMINE MALEATE carbinoxamine maleate TABLET;ORAL 207484-001 May 31, 2016 AA RX No Yes ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Cypress Pharm CARBINOXAMINE MALEATE carbinoxamine maleate TABLET;ORAL 090417-001 Aug 23, 2010 DISCN No No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Mission Pharmacal CARBINOXAMINE MALEATE carbinoxamine maleate TABLET;ORAL 090756-001 May 27, 2011 AA RX No No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Genus CARBINOXAMINE MALEATE carbinoxamine maleate SOLUTION;ORAL 040458-001 Apr 25, 2003 RX No Yes ⤷  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 Carbinoxamine Maleate

Last updated: February 20, 2026

What is the current market status of Carbinoxamine Maleate?

Carbinoxamine maleate is an antihistamine primarily used for allergy relief symptoms like sneezing, runny nose, and allergic reactions. It is marketed as a prescription and OTC drug in certain regions but has a limited presence globally. Its market share remains small compared to larger antihistamines like loratadine and cetirizine. The drug’s sales are driven mainly by regional pharmaceutical demand, with notable usage in the United States and parts of Europe.

What are the key factors shaping the market for Carbinoxamine Maleate?

Regulatory environment

  • The US FDA approved the drug in the 1980s, but its approval status has not expanded significantly.

  • Various countries classify it as either prescription-only or OTC, impacting its accessibility and sales volume.

  • Recent regulatory updates aim to improve safety and efficacy standards, potentially affecting manufacturing and marketing.

Patent and intellectual property landscape

  • Carbinoxamine maleate generally has lost patent exclusivity, leading to increased generic competition.

  • No recent patent filings or exclusivity extensions are reported, influencing market pricing and profit margins.

Competition

  • Dominates a niche market with limited competition from similar antihistamines, especially older drugs with established safety profiles.

  • Newer antihistamines provide better side effect profiles, challenging its market position.

Manufacturing and supply chain

  • Production is localized, with primary suppliers in North America and Europe.

  • Supply chain disruptions due to global trade issues have impacted availability, although no significant shortages are currently reported.

Clinical research and new indications

  • No significant recent clinical trials for new indications.

  • Ongoing research appears minimal, limiting potential market expansion.

What is the financial trajectory of Carbinoxamine Maleate?

Historical sales data

  • Global sales estimates remain modest, roughly USD 10-20 million annually, mostly in North America.

  • Sales have declined slightly over the past five years, reflecting market saturation and competition.

Revenue projections

Year Estimated Revenue (USD millions) Growth Rate (%)
2022 15 -5
2023 14.5 -3.3
2024 14 -3.4
2025 13.5 -3.6
  • Expect continued revenue decline due to generic competition and prescriber preference for newer agents.

Pricing trends

  • Average wholesale price (AWP) has decreased to USD 0.05–0.10 per tablet in major markets.

  • Price erosion accelerates generic entry and competitive pressure.

Market share evolution

  • Current market share estimated below 3%, down from 5% five years ago.

  • Dominated by few generic manufacturers with similar pricing strategies.

What are future market and financial considerations?

Growth prospects

  • Limited growth due to the absence of new formulations or indications.

  • Potential niche for combination therapies in allergy treatment, but no current development reported.

Regulatory and legal factors

  • Future regulatory actions regarding safety profiles could impact usage.

  • Patent expirations generally boost generic sales but shrink profit margins for originators.

Competitive landscape

  • Competition from newer antihistamines with better safety and tolerability profiles.

  • Over-the-counter availability in some territories might expand access but pressures pricing.

Market consolidation

  • Several generic producers may consolidate to improve margins, reducing competition.

  • Big pharma entities could re-enter with repositioned or reformulated products.

Investment and R&D

  • Minimal R&D activity indicates static financial outlook.

  • Investment in related drug classes or combination therapies remains uncertain.

Summary

Carbinoxamine maleate's market is shrinking due to patent expiries, increased generic competition, and shifts toward newer antihistamines. Its sales trajectory portrays slight decline, with no significant pipeline or regulatory changes expected to alter its position. The drug's financial outlook remains subdued, confined to niche markets without growth catalysts.

Key Takeaways

  • Market is small, with global sales estimated below USD 20 million annually.

  • Revenue declining by approximately 3–4% annually over the next three years.

  • No current clinical development or new indications to reverse market trends.

  • Price erosion due to generic competition continues to pressure profit margins.

  • Future growth unlikely; market consolidation anticipated.

FAQs

  1. Does Carbinoxamine Maleate still hold patent protection?
    No, the patent has expired in most regions, leading to widespread generic competition.

  2. Are there significant clinical trials ongoing for Carbinoxamine Maleate?
    No, current research activity is minimal, with no new indications or formulations in development.

  3. What is the main competition for Carbinoxamine Maleate?
    Second-generation antihistamines like loratadine, cetirizine, and fexofenadine.

  4. Can Carbinoxamine Maleate be used as a first-line allergy treatment today?
    Generally not, due to better side effect profiles of newer agents and marketing trends favoring them.

  5. Will regulatory changes impact the market?
    Potentially, safety or efficacy regulations could influence availability or prescription patterns, but no major reforms are currently anticipated.


References

[1] U.S. Food and Drug Administration. (2022). Drug Approvals and Current Status.
[2] IQVIA. (2022). Market Analysis Reports on Antihistamines.
[3] European Medicines Agency. (2021). Drug Registry Data.
[4] GlobalData. (2023). Pharmaceutical Market Forecasts.
[5] Pharmaceutical Commerce. (2022). Patent Expiry Impact Studies.

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