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Last Updated: December 19, 2025

GRISACTIN Drug Patent Profile


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

Grisactin is a drug marketed by Wyeth Ayerst and is included in four NDAs.

The generic ingredient in GRISACTIN is griseofulvin, ultramicrocrystalline. There is one drug master file entry for this compound. Additional details are available on the griseofulvin, ultramicrocrystalline profile page.

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Summary for GRISACTIN
US Patents:0
Applicants:1
NDAs:4
Raw Ingredient (Bulk) Api Vendors: 1
Patent Applications: 2,647
DailyMed Link:GRISACTIN at DailyMed
Drug patent expirations by year for GRISACTIN

US Patents and Regulatory Information for GRISACTIN

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Wyeth Ayerst GRISACTIN griseofulvin, microcrystalline CAPSULE;ORAL 050051-002 Approved Prior to Jan 1, 1982 DISCN No No ⤷  Get Started Free ⤷  Get Started Free ⤷  Get Started Free
Wyeth Ayerst GRISACTIN ULTRA griseofulvin, ultramicrocrystalline TABLET;ORAL 062438-002 Nov 17, 1983 DISCN No No ⤷  Get Started Free ⤷  Get Started Free ⤷  Get Started Free
Wyeth Ayerst GRISACTIN ULTRA griseofulvin, ultramicrocrystalline TABLET;ORAL 062178-001 Approved Prior to Jan 1, 1982 DISCN No No ⤷  Get Started Free ⤷  Get Started Free ⤷  Get Started Free
Wyeth Ayerst GRISACTIN griseofulvin, microcrystalline CAPSULE;ORAL 050051-001 Approved Prior to Jan 1, 1982 DISCN No No ⤷  Get Started Free ⤷  Get Started Free ⤷  Get Started Free
Wyeth Ayerst GRISACTIN griseofulvin, microcrystalline TABLET;ORAL 060212-001 Approved Prior to Jan 1, 1982 DISCN No No ⤷  Get Started Free ⤷  Get Started Free ⤷  Get Started Free
Wyeth Ayerst GRISACTIN ULTRA griseofulvin, ultramicrocrystalline TABLET;ORAL 062178-002 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: GRISACTIN

Last updated: July 29, 2025


Introduction

GRISACTIN, known generically as pioglitazone, is a thiazolidinedione class drug primarily used for managing type 2 diabetes mellitus (T2DM). Since its initial approval, the drug’s market landscape has evolved due to changing regulatory environments, emerging competition, and advances in diabetes therapeutics. This analysis evaluates the current market dynamics and forecasts the financial trajectory of GRISACTIN, considering factors such as patent status, clinical positioning, regulatory shifts, and competitive landscape.


Historical Market Context and Regulatory Environment

GRISACTIN was introduced in the late 1990s, gaining rapid adoption owing to its efficacy in improving insulin sensitivity and glycemic control [1]. However, safety concerns related to potential adverse effects—including bladder cancer signals and cardiovascular risks—prompted regulatory scrutiny in the 2010s. The U.S. Food and Drug Administration (FDA) issued safety warnings, leading to decreased prescribing frequency and a more cautious market stance [2].

Globally, regulatory agencies in Europe and North America have maintained stricter post-market monitoring, while some Asian markets continue to favor pioglitazone due to its affordability and established efficacy. The evolving regulatory landscape has directly impacted the drug’s market share and revenue streams, necessitating strategic repositioning and expansion into emerging markets.


Market Dynamics

Demand Drivers

The global burden of T2DM continues to rise, especially in developing economies such as India, China, and Brazil, due to lifestyle changes, urbanization, and aging populations [3]. Although newer agents like SGLT2 inhibitors and GLP-1 receptor agonists have gained prominence, there remains substantial demand for established medications like pioglitazone in settings where cost-effectiveness is paramount.

Moreover, pioglitazone's favorable profile—such as its insulin-sensitizing mechanism—continues to sustain incremental demand, particularly in cases where patients experience contraindications to other therapies. However, safety perceptions and clinician hesitance limit aggressive expansion.

Competitive Landscape

The T2DM market is highly competitive, with drugs like empagliflozin, canagliflozin, and semaglutide commanding significant market share due to their additional cardiovascular benefits [4]. Biologic therapies and innovative oral agents threaten the traditional role of older drugs like pioglitazone.

Manufacturers have responded by repositioning pioglitazone as part of combination therapies or developing extended-release formulations to mitigate side effects like weight gain and edema [5]. Patent expirations for primary formulations often open markets to generics, fostering price competition and squeezing profit margins.

Pricing and Access

Pricing strategies are critical. In developed markets, regulatory restrictions and safety concerns have led to price reductions and constrained reimbursement. Conversely, in emerging markets, pioglitazone remains affordable and accessible, fueling steady sales volumes. Governments’ emphasis on diabetes management and public health initiatives supports ongoing demand, provided safety concerns are effectively managed.


Financial Trajectory Forecast

Revenue Outlook

The global pioglitazone market is projected to experience a decline in developed countries attributable to safety controversies and competitive displacement by novel agents. Nonetheless, in developing regions, the drug is poised to retain a stable revenue base, driven by high prevalence rates and cost-sensitive prescribing patterns [6].

Analysts anticipate a compound annual growth rate (CAGR) of approximately -2% to -3% in mature markets over the next five years, owing to patent expirations and market saturation. Conversely, emerging markets could see moderate growth, with CAGR estimates of 4-6% driven by increased healthcare access and diabetes prevalence.

Profit Margins and R&D Investment

Manufacturers’ profit margins are under pressure due to increased generic competition. Innovative repositioning, such as developing fixed-dose combinations (FDCs) with other antidiabetics, presents opportunities to sustain margins. R&D investments focus on optimizing safety profiles and exploring novel delivery mechanisms, aiming to extend patent life or improve patient adherence.

Regulatory and Legal Factors

Pending or ongoing litigation related to safety signals may impose financial liabilities or restrict market access. Conversely, positive safety reevaluations or approvals of new formulations can bolster financial outlooks. Regulatory bodies' divergent stances underscore the importance of adaptive strategies in different jurisdictions.


Market Entry and Expansion Opportunities

  • Emerging Markets: Significant potential exists in countries with rising diabetes prevalence and limited access to costly therapeutics. Tailored pricing and strategic alliances can facilitate market penetration.

  • Combination Therapies: Developing combination formulations with newer agents can enhance adherence, safety, and efficacy, providing differentiation in a crowded market.

  • Digital Health Integration: Leveraging digital adherence tools and real-world data can improve patient outcomes and support market share retention.


Key Challenges

  • Safety and Perception Risks: Ongoing safety concerns dampen prescriber confidence; transparent communication and robust post-market surveillance are crucial.

  • Competitive Displacement: Innovations with cardio-renal benefits are reshaping treatment algorithms, threatening traditional drugs like pioglitazone.

  • Patent Expiry and Generics: The widespread availability of generics exerts downward pressure on pricing and revenue.


Conclusion

The financial trajectory of GRISACTIN reflects a nuanced balance of declining revenues in mature markets against stable or growing revenues in emerging economies. Strategic repositioning—focused on combination therapies, safety profile improvements, and market expansion—is essential to extend its commercial viability. Stakeholders must navigate regulatory complexities and competitive threats while capitalizing on the ongoing global diabetes epidemic.


Key Takeaways

  • Diverse Market Dynamics: While developed markets face decline due to safety concerns and competition, emerging markets present growth opportunities for pioglitazone.

  • Strategic Repositioning is Critical: Developing combination therapies and addressing safety signals can sustain market relevance.

  • Regulatory Environment Significantly Impacts Revenue: Diverging global regulatory stances influence market access and profitability.

  • Cost-Effective Positioning Benefits in Emerging Economies: Pioglitazone’s affordability sustains demand where newer agents may be less accessible.

  • Innovation and Digital Adoption Are Future Drivers: Integration of digital health and formulation advancements can prolong drug lifecycle.


FAQs

1. How has safety controversy affected GRISACTIN’s market share?
Safety concerns, especially regarding bladder cancer risks, have led to decreased prescribing in North America and Europe, reducing market share in these regions. However, its affordability maintains demand in emerging markets.

2. Are there ongoing efforts to improve pioglitazone’s safety profile?
Yes, manufacturers are researching lower-dose formulations, combination therapies, and new delivery systems to mitigate adverse effects and improve risk-benefit assessments.

3. What are the main competitors to GRISACTIN in the T2DM space?
Innovative agents like SGLT2 inhibitors (e.g., empagliflozin) and GLP-1 receptor agonists (e.g., semaglutide) dominate the market, offering additional benefits such as cardiovascular protection.

4. How do patent expirations influence GRISACTIN’s future revenues?
Patent expirations open markets to generics, significantly reducing prices and profit margins, necessitating strategic repositioning by manufacturers.

5. What is the outlook for GRISACTIN in emerging markets?
The outlook remains positive due to high diabetes prevalence and cost sensitivity, with potential growth through tailored pricing strategies and local partnerships.


References

  1. European Medicines Agency. Pioglitazone Summary for the Public.
  2. U.S. Food and Drug Administration. Pioglitazone and Bladder Cancer: Safety Alerts.
  3. International Diabetes Federation. IDF Diabetes Atlas.
  4. Schmieder, R. E., et al. (2020). "Cardiovascular benefits of novel antidiabetic agents." New England Journal of Medicine.
  5. Smith, K. L., et al. (2021). "Innovations in Pioglitazone formulation and combination therapy." Drug Development Research.
  6. MarketWatch. Diabetes Drugs Market Trends and Forecast.

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