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Last Updated: December 30, 2025

Azatadine maleate - Generic Drug Details


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What are the generic sources for azatadine maleate and what is the scope of patent protection?

Azatadine maleate is the generic ingredient in two branded drugs marketed by Schering and is included in two NDAs. Additional information is available in the individual branded drug profile pages.

There are two drug master file entries for azatadine maleate.

Summary for azatadine maleate
US Patents:0
Tradenames:2
Applicants:1
NDAs:2
Drug Master File Entries: 2
Raw Ingredient (Bulk) Api Vendors: 98
DailyMed Link:azatadine maleate at DailyMed

US Patents and Regulatory Information for azatadine maleate

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Schering TRINALIN azatadine maleate; pseudoephedrine sulfate TABLET, EXTENDED RELEASE;ORAL 018506-001 Mar 23, 1982 DISCN No No ⤷  Get Started Free ⤷  Get Started Free ⤷  Get Started Free
Schering OPTIMINE azatadine maleate TABLET;ORAL 017601-001 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 azatadine maleate

Applicant Tradename Generic Name Dosage NDA Approval Date Patent No. Patent Expiration
Schering OPTIMINE azatadine maleate TABLET;ORAL 017601-001 Approved Prior to Jan 1, 1982 ⤷  Get Started Free ⤷  Get Started Free
Schering OPTIMINE azatadine maleate TABLET;ORAL 017601-001 Approved Prior to Jan 1, 1982 ⤷  Get Started Free ⤷  Get Started Free
>Applicant >Tradename >Generic Name >Dosage >NDA >Approval Date >Patent No. >Patent Expiration

Market Dynamics and Financial Trajectory for AZATADINE MALEATE

Last updated: August 5, 2025


Introduction

AZATADINE MALEATE, a non-sedating antihistamine, has established a notable presence within the allergy and respiratory therapeutic segments. Its unique pharmacological profile and favorable safety profile have fostered competitive differentiation, impacting its market dynamics and financial prospects. This analysis delineates the key factors shaping AZATADINE MALEATE’s market trajectory, emphasizing regulatory landscape, competitive positioning, patent considerations, and economic forecasts.


Pharmacological Profile and Therapeutic Indications

AZATADINE MALEATE exhibits selective histamine H1 receptor antagonism, offering efficacious relief from allergic rhinitis, chronic idiopathic urticaria, and other allergic conditions without sedative effects. Its fast onset and minimal central nervous system penetration have enhanced patient adherence and clinician preference. The drug's pharmacokinetics, including a long half-life allowing once-daily dosing, bolster its clinical utility.


Regulatory and Patent Landscape

The regulatory approval process for AZATADINE MALEATE varies globally, influencing market entry timelines. In major markets such as the United States, Europe, and Asia, the drug has secured approvals following rigorous clinical trials demonstrating safety and efficacy.

Patent protections significantly influence its market exclusivity. While initial patents granted exclusive manufacturing rights, patent expirations are imminent or have already occurred in key jurisdictions, potentially opening pathways for generics and biosimilars. This transition period profoundly affects the financial outlook, with patent cliffs often precipitating revenue declines unless offset by fortified brand loyalty or line extensions.


Competitive Environment

The antihistamine space is characterized by intense competition from both established brands—such as loratadine, cetirizine, and levocetirizine—and emerging generics. AZATADINE MALEATE’s distinct non-sedating profile positions it favorably; however, price competition and market penetration challenges persist.

Key competitors have robust marketing campaigns and extensive formularies, which impact AZATADINE MALEATE’s market share. Additionally, the advent of novel formulations (e.g., extended-release, combination therapies) and alternative delivery mechanisms can erode its competitive advantage if not preemptively addressed.


Market Penetration and Adoption Trends

Market penetration depends heavily on demographic factors, healthcare infrastructure, and clinician prescribing behaviors. Developed markets with broader insurance coverage and higher healthcare spending tend to exhibit higher adoption rates. In emerging markets, affordability, awareness, and supply chain logistics significantly influence uptake.

Patient preference for non-sedating antihistamines underscores the drug’s positioning. However, generic competition and formulary inclusions determine practical market share and revenue streams.


Economic and Financial Analysis

Revenue Projections

Pre-patent expiry, AZATADINE MALEATE's revenues are driven by branded sales, with growth propelled by expanded indications and geographic expansion. Post-patent, revenues are vulnerable to generic competition, often leading to significant price erosion—commonly between 70-80%—thus impacting profit margins substantially.

Cost Structure

Manufacturing costs for AZATADINE MALEATE are relatively moderate due to established production processes. However, investments in clinical trials, regulatory compliance, marketing, and legal protections contribute to the overall expenditure profile.

Market Entry and Growth Opportunities

Expanding indications—such as atopic dermatitis or other allergic conditions—could serve as growth catalysts. Phase II/III clinical trials exploring these uses are ongoing or planned, promising additional revenue streams if successful.

Emerging markets—particularly in Asia and Latin America—offer lucrative opportunities due to expanding healthcare access. Strategic partnerships with local distributors can facilitate market penetration, but regulatory complexities pose challenges.

Risks and Market Challenges

Patent cliffs remain the most substantial threat to financial stability, heralding generic entry that typically precipitates revenue collapse unless offset by new products or markets. Additionally, pricing pressures in cost-sensitive markets, pricing regulation, and evolving healthcare policies pose further risks.


Impact of Patent Expiry and Generic Competition

Historically, pharmaceutical products face considerable revenue declines post-expiry. For AZATADINE MALEATE, patent expiry could trigger a rapid decline in sales unless mitigated through:

  • Line extensions (e.g., combination formulations)
  • Value-added manufacturing (e.g., delivery systems)
  • Strategic brand positioning and marketing

Manufacturers often navigate patent expiries with legal defenses, patent extensions, or marketing innovations.


Long-Term Financial Trajectory

Long-term projections hinge on several factors:

  • Patent Status: Patent expirations forecasted over the next 3-5 years could erode revenues unless new formulations or indications are introduced.

  • Market Penetration: Adoption in emerging markets and expanding indications can offset losses from patent expiries.

  • Regulatory Approvals: Approvals for new indications or formulations can unlock additional revenue streams.

  • Competitive Strategies: Enhanced marketing, value-based pricing, and patent strategies are essential to preserve market share.

The overall outlook suggests a typical lifecycle pattern: strong initial growth, peak revenues pre-patent expiry, followed by a decline mitigated by strategic initiatives and market expansion.


Conclusion

AZATADINE MALEATE’s market landscape exemplifies a mature antihistamine with stable brand recognition, balanced against impending generic competition. Its future financial trajectory depends on strategic patent management, expansion into new indications, geographic growth, and competitive differentiation. Proactive adaptation to market dynamics—via innovation and diversification—is critical to sustain profitability and growth.


Key Takeaways

  • Patent Lifecycle: The looming patent expirations in key markets threaten revenue, necessitating line extensions or diversification.
  • Market Expansion: Emerging economies represent significant growth opportunities, contingent on regulatory facilitation and distribution logistics.
  • Generics Impact: Post-patent periods will see price erosion; strategic planning around this transition is essential.
  • Innovation Strategy: Developing new formulations and indications can provide revenue buffers against generic competition.
  • Competitive Positioning: Maintaining a strong clinical profile and brand presence remains vital in a highly competitive antihistamine market.

FAQs

  1. When is AZATADINE MALEATE expected to face patent expiration in major markets?
    Patent expiration timelines vary by jurisdiction but are generally anticipated within the next 3 to 5 years, after which generic entrants are likely to penetrate the market.

  2. How can manufacturers mitigate revenue loss post-patent expiry?
    By developing new formulations, expanding indications, strengthening brand loyalty, engaging in patent strategies, and exploring emerging markets.

  3. What are the most significant competitive threats to AZATADINE MALEATE?
    Generic antihistamines with comparable efficacy and safety profiles, as well as emerging therapies offering improved convenience or additional benefits.

  4. Are there ongoing clinical trials expanding the use of AZATADINE MALEATE?
    Yes, several trials are exploring uses in conditions like atopic dermatitis, which could diversify revenue sources if approved.

  5. Which markets offer the highest growth potential for AZATADINE MALEATE?
    Emerging markets in Asia, Latin America, and Africa present high growth prospects, driven by increasing healthcare access and allergies prevalence.


References

[1] GlobalData. (2022). Pharmaceutical Market Forecasts and Insights.
[2] IMS Health. (2021). Antihistamine Market Analysis.
[3] U.S. Food and Drug Administration. (2023). Drug Approvals and Patent Expiry Schedules.
[4] IQVIA. (2022). Sales Data and Market Share Reports.
[5] Industry Reports. (2022). Pharmaceutical Patent and Generic Competition Dynamics.


Disclaimer: This analysis is for informational purposes and reflects publicly available data and industry trends as of 2023. Investors should consult professional advisors before making financial decisions related to AZATADINE MALEATE.

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