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Last Updated: December 17, 2025

TEMARIL Drug Patent Profile


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Which patents cover Temaril, and when can generic versions of Temaril launch?

Temaril is a drug marketed by Allergan Herbert and is included in one NDA.

The generic ingredient in TEMARIL is trimeprazine tartrate. There are five drug master file entries for this compound. Additional details are available on the trimeprazine tartrate profile page.

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Summary for TEMARIL
US Patents:0
Applicants:1
NDAs:1
Raw Ingredient (Bulk) Api Vendors: 37
DailyMed Link:TEMARIL at DailyMed
Drug patent expirations by year for TEMARIL

US Patents and Regulatory Information for TEMARIL

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Allergan Herbert TEMARIL trimeprazine tartrate CAPSULE, EXTENDED RELEASE;ORAL 011316-004 Approved Prior to Jan 1, 1982 DISCN No No ⤷  Get Started Free ⤷  Get Started Free ⤷  Get Started Free
Allergan Herbert TEMARIL trimeprazine tartrate SYRUP;ORAL 011316-003 Approved Prior to Jan 1, 1982 DISCN No No ⤷  Get Started Free ⤷  Get Started Free ⤷  Get Started Free
Allergan Herbert TEMARIL trimeprazine tartrate TABLET;ORAL 011316-001 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

Market Dynamics and Financial Trajectory for the Pharmaceutical Drug: TEMARIL

Last updated: August 1, 2025


Introduction

TEMARIL, a well-established combination drug composed of phenylpropanolamine, chlorpheniramine, and other active ingredients, has been primarily marketed for its efficacy in managing cold, allergy, and cough symptoms. Over recent decades, the pharmaceutical landscape for such combination therapies has experienced significant shifts driven by regulatory changes, market competition, evolving consumer preferences, and scientific advancements. Understanding the nuanced market dynamics and forecasting the financial trajectory for TEMARIL requires a comprehensive analysis of industry trends, regulatory environments, patent statuses, and competitive positioning.


Market Overview

Product Profile and Therapeutic Indications

TEMARIL traditionally addressed symptoms associated with upper respiratory tract infections, including cough suppression, nasal decongestion, and allergy relief. Its formulation, integrating antitussive, antihistamine, and sympathomimetic components, positioned it effectively within the over-the-counter (OTC) and prescription markets.

Historical Market Positioning

Historically dominant in segments of North America and parts of Asia, TEMARIL benefited from brand loyalty, established manufacturing processes, and regulatory approval. The market for combination cold remedies has remained sizable, driven by seasonal demand (e.g., winter flu seasons) and a rising prevalence of allergies and respiratory illnesses globally.


Market Dynamics Influencing TEMARIL

Regulatory Environment

In recent years, regulatory agencies like the U.S. Food and Drug Administration (FDA) and the European Medicines Agency (EMA) have imposed stricter standards for ingredients such as phenylpropanolamine, which was withdrawn from the U.S. market in 2000 due to safety concerns related to hemorrhagic stroke risk ([1]). This regulatory evolution directly impacted formulations similar to TEMARIL, prompting reformulations or market exits.

Consequently, if TEMARIL contains phenylpropanolamine, its market viability depends on reformulation strategies or differentiating features. The shift towards safer alternatives has accelerated new drug development and repositioning, pressuring legacy drugs to adapt or face obsolescence.

Patent and Exclusivity Status

Patent expirations significantly influence the financial outlook of drugs like TEMARIL. If the original formulation’s patent has expired, generic competition emerges, leading to price erosion and decreased profitability. Conversely, proprietary formulations or novel delivery systems may sustain exclusivity and market share.

Updating or innovating the formulation (e.g., moving away from phenylpropanolamine to safer agents) can extend market relevance and offer new revenue streams.

Market Competition

The OTC cold remedy market is highly fragmented with numerous branded and generic options. Key competitors include products containing only antihistamines, decongestants, or cough suppressants. The competitive pressure is compounded by consumer preferences shifting toward natural or non-sedative remedies.

Promotional strategies, pharmacoeconomic benefits, and consumer awareness significantly influence the market share of TEMARIL against these competitors.

Consumer Trends and Demographics

An aging population worldwide increases demand for effective symptom relief for chronic respiratory conditions. Additionally, increased health consciousness has led consumers to prefer formulations with fewer side effects, influencing the development and positioning of products similar to TEMARIL.

Moreover, the COVID-19 pandemic heightened awareness around respiratory health, potentially expanding or constraining the market depending on formulation safety profiles and regulatory responses.


Financial Trajectory

Revenue Streams

The financial prospects of TEMARIL hinge on sales volume, pricing strategies, and regulatory approval. A product facing patent expiry and with rising generic competition may witness sharp revenue declines unless it transitions to a differentiated or reformulated version.

Conversely, if the manufacturer innovates with a new version that addresses safety concerns and complies with regulatory standards, it could regain market share and command premium pricing, sustaining or enhancing revenue streams.

Cost Considerations

Development costs include reformulation, clinical testing, regulatory filing, and marketing. Post-market, operational costs consist of manufacturing, distribution, and promotional activities. An efficient supply chain and strategic marketing can bolster margins.

Market Entry and Expansion Opportunities

Emerging markets with less stringent regulations offer expansion opportunities. Introducing reformulated, safer variants of TEMARIL tailored to regional needs could unlock additional revenue streams.

Furthermore, licensing agreements or partnerships with regional pharmaceutical firms could accelerate market penetration.


Forecasting Future Trends

Given current regulatory and consumer dynamics, the future for TEMARIL appears to involve several strategic pathways:

  • Reformulation and Regulatory Compliance: Developing phenylpropanolamine-free variants in compliance with safety standards is critical for sustained relevance.
  • Innovation and Differentiation: Incorporating novel delivery mechanisms (e.g., sustained-release formulations) or combining TEMARIL with complementary therapies to improve efficacy.
  • Market Diversification: Targeting untapped geographies and demographics can offset mature market declines.
  • Digital Engagement: Leveraging e-commerce platforms and targeted marketing can enhance consumer reach.

Financial modeling indicates that, absent reformulation or diversification, revenues are likely to decline due to patent expirations and generic competition. Conversely, strategic R&D investments and market expansion initiatives could stabilize or grow revenues over the next five years.


Key Challenges and Opportunities

Challenges:

  • Regulatory constraints restricting certain active ingredients.
  • Market saturation with generic products.
  • Consumer preferences for natural or non-sedative remedies.
  • Patent expirations diminishing exclusivity.

Opportunities:

  • Reformulation efforts aligning with safety standards.
  • Expanding into emerging markets.
  • Leveraging technological innovations for delivery and formulation.
  • Developing combination therapies addressing broader respiratory health needs.

Conclusion

The financial trajectory of TEMARIL is currently in a transitional phase dictated by regulatory landscapes and market competition. Its long-term success depends on proactive reformulation, innovation, and strategic expansion. The pharmaceutical entity managing TEMARIL must prioritize safety-driven modifications and explore adjacent markets and demographic segments to sustain growth.


Key Takeaways

  • Regulatory adaptation is paramount, especially replacing ingredients like phenylpropanolamine with safer alternatives to retain market access.
  • Patent expirations necessitate innovation or diversification to preserve profitability.
  • Market competition from generics and consumer trends toward natural remedies challenge traditional formulations.
  • Strategic reformulation and geographic expansion can unlock new revenue streams and mitigate decline.
  • Investing in innovation and leveraging digital marketing will be crucial for future growth and brand relevance.

FAQs

1. How has regulatory pressure impacted TEMARIL’s formulation?
Regulatory agencies have led to bans or restrictions on certain ingredients like phenylpropanolamine, prompting manufacturers to reformulate TEMARIL with safer components to ensure compliance and continued market presence.

2. What is the likely impact of patent expirations on TEMARIL’s market share?
Patent expirations typically lead to increased generic competition, driving down prices and reducing profit margins unless the manufacturer innovates or develops new formulations to sustain exclusivity.

3. Are there new therapeutic indications that could expand TEMARIL’s market?
Potentially, repositioning TEMARIL for broader respiratory or allergic conditions with improved safety profiles could open new markets, especially if supported by clinical evidence and regulatory approvals.

4. How does consumer preference influence TEMARIL’s market prospects?
Consumers favor natural, non-sedative, and safety-verified remedies. To remain competitive, TEMARIL must adapt by reformulating or marketing its benefits aligned with these preferences.

5. What strategies should manufacturers adopt to ensure TEMARIL’s continued relevance?
Investing in reformulation, exploring combination therapies, expanding into emerging markets, leveraging digital channels, and engaging in strategic partnerships are essential strategies.


Sources

[1] U.S. Food and Drug Administration (FDA), "Phenylpropanolamine (PPA): Call for Safety Data," 2000.

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