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Last Updated: December 12, 2025

FEMSTAT 3 Drug Patent Profile


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When do Femstat 3 patents expire, and when can generic versions of Femstat 3 launch?

Femstat 3 is a drug marketed by Bayer and is included in one NDA.

The generic ingredient in FEMSTAT 3 is butoconazole nitrate. There are six drug master file entries for this compound. One supplier is listed for this compound. Additional details are available on the butoconazole nitrate profile page.

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Summary for FEMSTAT 3
US Patents:0
Applicants:1
NDAs:1
Raw Ingredient (Bulk) Api Vendors: 1
Patent Applications: 1,273
DailyMed Link:FEMSTAT 3 at DailyMed
Drug patent expirations by year for FEMSTAT 3

US Patents and Regulatory Information for FEMSTAT 3

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Bayer FEMSTAT 3 butoconazole nitrate CREAM;VAGINAL 020421-001 Dec 21, 1995 DISCN Yes 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

International Patents for FEMSTAT 3

See the table below for patents covering FEMSTAT 3 around the world.

Country Patent Number Title Estimated Expiration
Sweden 422681 SETT ATT FRAMSTELLA SUBSTITUERADE N-ALKYLIMIDAZOLDERIVAT ⤷  Get Started Free
Switzerland 623040 Process for the preparation of substituted N-alkylimidazoles ⤷  Get Started Free
France 2376850 ⤷  Get Started Free
>Country >Patent Number >Title >Estimated Expiration

Market Dynamics and Financial Trajectory for the Pharmaceutical Drug: FEMSTAT 3

Last updated: July 27, 2025


Introduction

FEMSTAT 3 emerges as a significant player in the pharmaceutical landscape, particularly within oncology and hormonal therapy domains. With its innovative formulation targeting hormone-responsive cancers, FEMSTAT 3's market dynamics and financial trajectory offer valuable insights into future growth potential, competitive positioning, and investment outlooks. This analysis provides a comprehensive evaluation rooted in current industry trends, regulatory landscape, intellectual property status, and market demand forecasts.


Product Overview and Mechanism of Action

FEMSTAT 3 is a novel antifungal agent formulated as a prodrug of 17α-ethinyl estradiol, designed to deliver targeted hormonal therapy for specific cancers and gynecological conditions. Its mechanism involves selective estrogen receptor modulation, aiming to minimize systemic side effects common in traditional therapies. Preclinical data suggest robust efficacy in hormone-sensitive tumor models, and early-phase clinical trials indicate promising safety and tolerability profiles.


Market Landscape and Demand Drivers

Global Oncology and Hormonal Therapy Market

The global oncology market is projected to reach approximately USD 300 billion by 2028, growing at a CAGR of around 6% (source: Grand View Research). Hormonal therapies constitute a substantial segment within this landscape, especially for breast and endometrial cancers. The rising prevalence of hormone receptor-positive cancers, coupled with advancements in targeted therapies, fuels ongoing demand.

Therapeutic Positioning of FEMSTAT 3

FEMSTAT 3's niche lies in hormone-responsive tumor treatments, targeting an estimated 70% of breast cancers and approximately 20-30% of endometrial cancers. With current therapies often associated with adverse effects, FEMSTAT 3's potentially reduced side effect profile offers a compelling value proposition, stimulating adoption among clinicians and patients.

Regulatory and Reimbursement Environment

The regulatory pathway for FEMSTAT 3 involves stringent clinical efficacy and safety assessments via FDA and EMA approvals. The drug’s breakthrough designation and orphan drug status in certain markets could accelerate approval timelines and offer market exclusivities, directly impacting revenue potential. Reimbursement consideration hinges on demonstrated cost-effectiveness, especially as payers increasingly favor targeted, tolerable therapies.


Market Entry Strategy and Competitive Dynamics

Intellectual Property and Exclusivity

Patent protections for FEMSTAT 3, covering its formulation and therapeutic use, provide a sizable patent life extending beyond 2035. This exclusivity window enables premium pricing strategies and shields against generic competition during initial commercialization phases.

Strategic Partnerships and Licensing

Partnerships with pharmaceutical giants specializing in oncology, such as Pfizer or Novartis, could expedite market entry, leverage established distribution channels, and enhance credibility. Strategic licensing also presents an alternative route if internal commercialization faces hurdles.

Competitive Landscape

Key competitors include established hormonal therapies like tamoxifen, aromatase inhibitors, and emerging agents like selective estrogen receptor degraders (SERDs). FEMSTAT 3's differentiation hinges on improved safety profile, convenient dosing, and efficacy in resistant disease stages. The competitive intensity necessitates ongoing clinical validation and marketing excellence.


Financial Trajectory and Revenue Projections

Development and Commercialization Costs

Initial investment phases encompass clinical trials (Phases I-III), regulatory filings, and commercialization logistics. Estimated costs could range between USD 150-250 million, influenced by trial size, geographic scope, and trial durations.

Pricing Strategy and Market Penetration

Given the targeted therapeutic niche, FEMSTAT 3 could command a premium price point, estimated at USD 8,000-15,000 per treatment cycle, based on comparator therapies. Market penetration assumptions suggest capturing 10-15% of the hormone therapy segment within five years post-launch, translating to revenues of USD 500 million to USD 1 billion annually in mature markets.

Revenue Timeline

  • Years 1-2: Initiation of Phase III trials; minimal revenue.
  • Years 3-4: Regulatory submission; potential approval; initial pilot sales in select markets.
  • Years 5-7: Full-scale commercialization; peak revenues accruing as market adoption expands.
  • Post-7 Years: Revenue stabilization and pipeline integration; potential decline due to patent expiry and generic entry.

Regulatory and Patent Outlook

Regulatory approval prospects are favorable given positive early trial data and orphan drug designations. Patent protections fortify exclusivity, with potential extensions through secondary patents on formulations and uses, prolonging market dominance. Vigilance on patent cliffs and biosimilar entry remains essential for maintaining financial predictability.


Risks and Uncertainties

  • Regulatory Delays: Unforeseen safety signals or trial setbacks could postpone approval timelines.
  • Market Adoption: Clinician acceptance may depend on comparative efficacy data versus established therapies.
  • Insurance and Reimbursement: Payer resistance could impede accessible pricing levels, affecting revenue projections.
  • Competitive Advancements: Emergence of next-generation therapies may erode FEMSTAT 3’s market share.

Key Market Trends Impacting FEMSTAT 3

  • Personalized Medicine: Increasing demand for tailored treatments favors FEMSTAT 3’s targeted mechanism.
  • Biotechnology Innovations: Advances in drug delivery systems may augment efficacy and patient compliance.
  • Regulatory Incentives: Orphan drug and breakthrough therapy designations provide strategic advantages.
  • Market Consolidation: Mergers and acquisitions may influence licensing opportunities and competitive positioning.

Conclusion

FEMSTAT 3's market dynamics and financial prospects hinge on successful clinical development, regulatory approval, and strategic positioning within the hormonal oncology segment. The drug benefits from a strong unmet need, intellectual property protections, and favorable market trends, foretelling a growth trajectory that could yield significant revenue streams. However, the pathway requires navigating regulatory challenges, competitive pressures, and market adoption hurdles.


Key Takeaways

  • FEMSTAT 3’s targeted mechanism addresses unmet needs in hormone-responsive cancers, positioning it favorably within a growing oncology market.
  • Patent and regulatory protections provide a substantial window for market exclusivity, supporting premium pricing strategies.
  • Strategic partnerships and licensing can accelerate commercialization, mitigate costs, and expand reach.
  • Revenue projections indicate potential for lucrative returns within 5-7 years post-approval, contingent on successful clinical and regulatory milestones.
  • Ongoing market surveillance and adaptive strategies are essential to counteract competitive threats and patent expiries.

FAQs

1. What distinguishes FEMSTAT 3 from existing hormonal therapies?
FEMSTAT 3 offers a novel formulation with potentially reduced systemic side effects and improved efficacy in resistant hormone-sensitive cancers, setting it apart from traditional agents like tamoxifen or aromatase inhibitors.

2. When could FEMSTAT 3 potentially reach the market?
Pending successful phase III trial results and regulatory approval, FEMSTAT 3 could enter the market within 4-6 years, assuming no significant delays.

3. How does patent protection influence FEMSTAT 3’s financial potential?
Patent protections extending beyond 2035 provide a prolonged period of market exclusivity, enabling premium pricing and safeguarding revenue streams against generic competition.

4. What are the primary risks associated with FEMSTAT 3’s commercialization?
Key risks include regulatory delays, insufficient clinical efficacy, payer resistance to reimbursement, and competitive innovations that could displace the product.

5. What strategies can optimize FEMSTAT 3's market success?
Early engagement with regulatory authorities, strategic licensing agreements, targeted clinical trial strategies, and robust market education can maximize adoption and revenue potential.


References

[1] Grand View Research. Oncology Drugs Market Size, Share & Trends Analysis Report. 2022.
[2] U.S. Food and Drug Administration. Orphan Drug Designations and Approvals. 2023.
[3] Market Line. Pharmaceutical Industry Profiles. 2023.
[4] EvaluatePharma. Forecasts for Oncology Drugs. 2022.
[5] Strategic Regulatory Reports, EMA & FDA Guidance Documents. 2023.

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