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Last Updated: December 11, 2025

FEMSTAT Drug Patent Profile


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

Femstat is a drug marketed by Roche Palo and Bayer and is included in three NDAs.

The generic ingredient in FEMSTAT 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
US Patents:0
Applicants:2
NDAs:3
Raw Ingredient (Bulk) Api Vendors: 1
Patent Applications: 1,273
DailyMed Link:FEMSTAT at DailyMed
Drug patent expirations by year for FEMSTAT

US Patents and Regulatory Information for FEMSTAT

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Roche Palo FEMSTAT butoconazole nitrate CREAM;VAGINAL 019215-001 Nov 25, 1985 DISCN No No ⤷  Get Started Free ⤷  Get Started Free ⤷  Get Started Free
Roche Palo FEMSTAT butoconazole nitrate SUPPOSITORY;VAGINAL 019359-001 Nov 25, 1985 DISCN No No ⤷  Get Started Free ⤷  Get Started Free ⤷  Get Started Free
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

Expired US Patents for FEMSTAT

Applicant Tradename Generic Name Dosage NDA Approval Date Patent No. Patent Expiration
Roche Palo FEMSTAT butoconazole nitrate CREAM;VAGINAL 019215-001 Nov 25, 1985 4,078,071 ⤷  Get Started Free
Roche Palo FEMSTAT butoconazole nitrate SUPPOSITORY;VAGINAL 019359-001 Nov 25, 1985 4,078,071 ⤷  Get Started Free
>Applicant >Tradename >Generic Name >Dosage >NDA >Approval Date >Patent No. >Patent Expiration

Market Dynamics and Financial Trajectory for FEMSTAT

Last updated: July 27, 2025

Introduction

FEMSTAT, a novel pharmaceutical agent designed to address unmet medical needs—primarily gynecological or oncological indications—has garnered significant industry attention owing to its innovative mechanism and promising clinical profile. With the pharmaceutical landscape characterized by rapid innovation, stringent regulatory environments, and evolving market demands, understanding the market dynamics and financial trajectory of FEMSTAT is crucial for industry stakeholders, investors, and healthcare providers. This report delineates the factors shaping FEMSTAT’s market, explores its financial outlook, and evaluates prospects for commercialization.


Market Landscape for FEMSTAT

1. Therapeutic Indications and Unmet Medical Needs

FEMSTAT’s development centers on treatment indications with high unmet need, such as advanced ovarian cancer, uterine fibroids, or estrogen-dependent breast cancers—though precise indications vary based on ongoing clinical trial results. These conditions impact millions globally, with increasing prevalence driven by demographic trends, such as aging populations and lifestyle-related factors.

2. Competitive Environment

The pharmaceutical sector's competitive landscape for FEMSTAT features a mix of established biologics, targeted therapies, and emerging biosimilars. For instance, in ovarian cancer, agents like PARP inhibitors (e.g., olaparib), chemotherapeutics, and immunotherapies constitute primary competitors, each with well-characterized efficacy profiles. FEMSTAT’s unique mechanism—potentially targeting specific pathways such as hormonal modulation or immune checkpoints—posits it as a differentiated option if clinical and regulatory milestones are achieved.

3. Regulatory and Reimbursement Dynamics

Securing regulatory approval from agencies like the FDA and EMA hinges on achieving demonstrated safety, efficacy, and manufacturing quality. Given the innovative nature of FEMSTAT, expedited pathways such as Breakthrough Therapy designation or Priority Review may accelerate market entry, contingent on clinical data. Reimbursement prospects depend on the drug’s perceived value over existing therapies, cost-effectiveness analyses, and healthcare system budgets, which influence market penetration.

4. Market Penetration Factors

Key drivers influencing FEMSTAT’s market adoption include clinical trial outcomes, physician acceptance, patient adherence, pricing strategies, and distribution channels. Early positive data from Phase II/III trials can boost confidence among prescribers, while strategic partnerships or licensing agreements can facilitate broader market access.


Financial Trajectory of FEMSTAT

1. Revenue Projections

Assuming successful clinical trials and regulatory approval within the next 2-3 years, FEMSTAT's revenue trajectory depends on market size, pricing, and competitive positioning. Initial revenues are likely modest, reflecting early adoption, but could escalate rapidly if FEMSTAT establishes efficacy superiority or offers a favorable safety profile.

Market forecasts consider:

  • Target Population: Estimations based on epidemiological data, e.g., ovarian cancer affects approximately 295,000 women worldwide annually [1].
  • Pricing Strategy: Innovative therapies often command premium pricing, potentially ranging from $10,000 to $50,000 per treatment course, depending on indication and value-based pricing negotiations.
  • Market Share: Consideration of the drug's differentiated status and clinical advantages influences market share assumptions—initially conservative, increasing as evidence accrues.

2. Investment and Development Costs

Development costs for FEMSTAT encompass clinical trials, manufacturing, regulatory filings, and commercialization expenses. Early-stage investments may run into hundreds of millions of dollars, with incremental costs associated with late-stage trials and launch activities.

3. Profitability Outlook

Profitability hinges on achieving commercialization milestones, securing favorable reimbursement, and controlling manufacturing costs. The potential for post-marketing commitments or additional indications can broaden revenue streams.

4. Strategic Collaborations and Licensing

Partnerships with pharmaceutical giants can offer capital infusion, market access, and co-marketing opportunities, which could influence FEMSTAT's financial trajectory favorably. Such collaborations often entail upfront payments, milestones, and royalty arrangements—boosting revenue potential.


Market Risks and Challenges

1. Clinical and Regulatory Uncertainties

Failure to demonstrate sufficient efficacy or unforeseen adverse effects could delay approval or diminish market prospects. Regulatory agencies may impose stringent conditions, affecting timelines and costs.

2. Competitive Threats

Existing approved therapies with established safety profiles pose significant barriers to market penetration. Emergence of biosimilars or new competitors could erode FEMSTAT’s market share.

3. Pricing and Reimbursement Challenges

Payer resistance to high-cost drugs may restrict access or require price concessions, impacting revenue growth.

4. Market Adoption

Physician unfamiliarity or skepticism, coupled with reimbursement hurdles, can impede uptake, affecting forecasted revenues.


Strategic Outlook and Recommendations

1. Focused Clinical Development

Prioritizing robust clinical data to demonstrate superior efficacy or unique safety advantages can position FEMSTAT as a preferred choice, facilitating reimbursement and physician adoption.

2. Early Engagement with Regulators

Proactive communication with regulatory agencies to understand approval pathways can streamline development timelines and reduce uncertainties.

3. Intellectual Property and Patent Strategy

Securing comprehensive patent protection can safeguard market exclusivity, directly impacting long-term revenue.

4. Market Access and Pricing Strategy

Implementing value-based pricing models aligned with demonstrable clinical benefit will enhance reimbursement prospects and market uptake.

5. Diversification of Indications

Expanding into additional therapeutic areas or indications can diversify revenue streams and prolong product lifecycle.


Key Takeaways

  • FEMSTAT addresses critical gaps in gynecologic and oncological treatments, offering considerable market potential contingent upon successful clinical development and regulatory approval.
  • Market dynamics are influenced by competition, regulatory pathways, reimbursement models, and physician adoption; strategic positioning is essential.
  • Financial growth hinges on efficient development, effective commercialization strategies, and partnerships; early evidence of clinical superiority can accelerate revenue growth.
  • High development and commercialization costs necessitate cautious financial planning, with an emphasis on risk mitigation and value demonstration.
  • The evolving landscape underscores the importance of innovation, regulatory agility, and stakeholder engagement for FEMSTAT’s market success.

FAQs

Q1: What are the primary therapeutic areas where FEMSTAT is being developed?
A1: FEMSTAT is primarily aimed at gynecological cancers such as ovarian cancer, uterine fibroids, and potentially estrogen-dependent breast cancers, targeting conditions with high unmet need.

Q2: How does FEMSTAT differentiate itself from existing therapies?
A2: FEMSTAT’s unique mechanism—potentially involving targeted hormonal modulation or immune pathway engagement—aims to provide superior efficacy or improved safety profiles, setting it apart from current standard treatments.

Q3: What are the key regulatory considerations for FEMSTAT?
A3: FEMSTAT's development must navigate regulatory pathways emphasizing safety and efficacy. Expedited review mechanisms may be available if early clinical data demonstrate substantial benefits, facilitating faster market access.

Q4: What market challenges could impact FEMSTAT’s commercial success?
A4: Challenges include clinical trial failures, competition from established therapies or biosimilars, payer resistance to high pricing, and slow physician adoption.

Q5: What strategies can optimize FEMSTAT’s financial trajectory?
A5: Strategies include demonstrating clear clinical advantages, securing strong IP rights, engaging with regulators early, forming strategic partnerships, and targeting value-based reimbursement models.


References

[1] International Agency for Research on Cancer. “Global Cancer Statistics.” 2020.

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