Last Updated: May 14, 2026

GYNE-LOTRIMIN Drug Patent Profile


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When do Gyne-lotrimin patents expire, and when can generic versions of Gyne-lotrimin launch?

Gyne-lotrimin is a drug marketed by Bayer Healthcare Llc and is included in six NDAs.

The generic ingredient in GYNE-LOTRIMIN is clotrimazole. There are eleven drug master file entries for this compound. Twenty-nine suppliers are listed for this compound. Additional details are available on the clotrimazole profile page.

DrugPatentWatch® Litigation and Generic Entry Outlook for Gyne-lotrimin

A generic version of GYNE-LOTRIMIN was approved as clotrimazole by P AND L on July 16th, 1993.

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Summary for GYNE-LOTRIMIN
US Patents:0
Applicants:1
NDAs:6

US Patents and Regulatory Information for GYNE-LOTRIMIN

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Bayer Healthcare Llc GYNE-LOTRIMIN clotrimazole CREAM;VAGINAL 018052-002 Nov 30, 1990 DISCN Yes No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Bayer Healthcare Llc GYNE-LOTRIMIN 3 clotrimazole TABLET;VAGINAL 020525-001 Jul 29, 1996 DISCN Yes No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Bayer Healthcare Llc GYNE-LOTRIMIN clotrimazole TABLET;VAGINAL 017717-002 Nov 30, 1990 DISCN Yes No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Bayer Healthcare Llc GYNE-LOTRIMIN 3 clotrimazole CREAM;VAGINAL 020574-001 Nov 24, 1998 DISCN Yes No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Bayer Healthcare Llc GYNE-LOTRIMIN COMBINATION PACK clotrimazole CREAM, TABLET;TOPICAL, VAGINAL 020289-002 Apr 26, 1993 DISCN Yes No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
>Applicant >Tradename >Generic Name >Dosage >NDA >Approval Date >TE >Type >RLD >RS >Patent No. >Patent Expiration >Product >Substance >Delist Req. >Exclusivity Expiration

GYNE-LOTRIMIN: Patent Landscape and Investment Outlook

Last updated: February 19, 2026

GYNE-LOTRIMIN, a prescription-strength clotrimazole vaginal cream for treating vulvovaginal candidiasis (VVC), presents a mature market with established competition. Its patent portfolio, primarily held by Bayer, has largely expired, shifting competitive dynamics towards generic entry and market share defense. Investment considerations hinge on market size, generic competition, Bayer's lifecycle management strategies, and potential for new indications or formulations.

What is the Market Size and Growth Potential for GYNE-LOTRIMIN?

The market for VVC treatments is substantial and relatively stable. Global incidence of VVC is estimated between 50% to 75% of women experiencing at least one episode in their lifetime, with a significant portion experiencing recurrent VVC (RVVC) [1]. This translates to a consistent demand for effective antifungal therapies.

Market Drivers:

  • Prevalence of VVC: VVC is a common gynecological condition, driving continuous demand for over-the-counter (OTC) and prescription treatments.
  • Recurrent VVC (RVVC): A subset of patients experience RVVC, requiring more intensive or specialized treatment regimens, potentially increasing the value proposition for specific products.
  • Diagnosability: VVC is generally straightforward to diagnose, facilitating consistent prescription patterns.

Market Challenges:

  • Generic Erosion: The expiration of key patents for GYNE-LOTRIMIN has opened the door for generic competitors, leading to price pressure and market share fragmentation.
  • Competition: The VVC market is highly competitive, with numerous established OTC and prescription brands, including fluconazole, miconazole, and other clotrimazole formulations.
  • Patient Self-Treatment: A significant portion of VVC cases are managed with OTC products, limiting the prescription market for brands like GYNE-LOTRIMIN.

While specific growth figures for GYNE-LOTRIMIN are not publicly detailed, the overall antifungal market for VVC is expected to grow modestly, driven by population growth and increasing awareness, but constrained by generic competition and the established nature of existing therapies.

What is the Patent Status of GYNE-LOTRIMIN?

Bayer AG holds the primary patent protection for GYNE-LOTRIMIN. The key patents covering the composition of matter and method of use for clotrimazole in vaginal applications have largely expired.

Key Patent Information:

  • Active Ingredient: Clotrimazole.
  • Original Patents: Patents covering the initial discovery and formulation of clotrimazole for fungal infections date back several decades. For GYNE-LOTRIMIN specifically, original composition and formulation patents have expired.
  • Exclusivity Periods: The period of market exclusivity granted by these patents has concluded, allowing for generic manufacturers to enter the market.
  • Remaining Patent Landscape: While core composition-of-matter patents have expired, there is a possibility of secondary patents related to specific formulations, delivery systems, or manufacturing processes. However, these are generally less robust than primary compound patents and may not provide significant market exclusivity against direct generic equivalents.
  • Bayer's Strategy: Bayer's strategy likely focuses on brand loyalty, physician relationships, and potentially exploring new indications or combination therapies rather than relying on patent-driven market exclusivity.

Impact of Patent Expiration:

The expiration of GYNE-LOTRIMIN's core patents has resulted in:

  • Increased Competition: The market has seen the introduction of multiple generic clotrimazole vaginal cream products.
  • Price Compression: Generic competition significantly drives down prices, impacting revenue for both branded and generic manufacturers.
  • Shift in Market Dynamics: The focus shifts from patent protection to marketing, brand recognition, physician detailing, and pharmacoeconomic advantages.

What are the Competitive Dynamics and Key Competitors?

The VVC treatment market is highly fragmented, with GYNE-LOTRIMIN facing competition from a range of prescription and OTC antifungals.

Direct Competitors (Clotrimazole Formulations):

  • Generic Clotrimazole Vaginal Creams: Numerous pharmaceutical companies offer generic versions of clotrimazole vaginal creams, often at significantly lower price points. These are direct substitutes for GYNE-LOTRIMIN.
  • Other Clotrimazole Brands: Branded clotrimazole products may exist from different manufacturers, though GYNE-LOTRIMIN is a prominent prescription-strength option.

Indirect Competitors (Other Antifungals):

  • Fluconazole (Oral and Vaginal): Oral fluconazole (e.g., Diflucan) is a widely prescribed single-dose treatment for VVC. Vaginal formulations of fluconazole also exist. This represents a significant competitive threat due to its ease of use.
  • Miconazole (Vaginal Creams and Suppositories): Miconazole is another common antifungal available in various vaginal formulations (e.g., Monistat). It is widely available OTC and by prescription.
  • Terconazole (Vaginal Cream): Terconazole is a prescription-only triazole antifungal for VVC.
  • Tioconazole (Vaginal Ointment): Tioconazole is another imidazole antifungal available in vaginal ointment form.

Market Share Considerations:

  • Branded vs. Generic: GYNE-LOTRIMIN, as a branded product, likely commands a premium price but faces significant volume erosion from generics.
  • OTC vs. Prescription: The significant OTC market for VVC treatment means that many patients bypass prescription options, impacting the prescription market size for GYNE-LOTRIMIN.
  • Physician Prescribing Habits: Prescribing patterns for VVC can be influenced by factors such as cost, efficacy, patient tolerability, and physician familiarity with specific brands.

What are the Regulatory and Manufacturing Considerations?

The regulatory pathway for GYNE-LOTRIMIN and its generic counterparts involves the U.S. Food and Drug Administration (FDA) for marketing approval. Manufacturing must adhere to current Good Manufacturing Practices (cGMP).

Regulatory Landscape:

  • FDA Approval: GYNE-LOTRIMIN, as a prescription drug, requires FDA approval. Generic versions are approved via Abbreviated New Drug Applications (ANDAs), demonstrating bioequivalence to the reference listed drug (RLD).
  • Labeling: Prescribing information and patient counseling are critical. Warnings regarding potential side effects, drug interactions, and appropriate use are mandated.
  • Post-Market Surveillance: Like all pharmaceuticals, GYNE-LOTRIMIN is subject to post-market surveillance to monitor for adverse events.

Manufacturing Aspects:

  • Active Pharmaceutical Ingredient (API) Sourcing: The API, clotrimazole, is a well-established compound with multiple global manufacturers. Sourcing reliable and compliant API is crucial for both branded and generic production.
  • Formulation and Finished Dosage Form Manufacturing: The manufacturing of the vaginal cream involves specialized equipment and processes to ensure product stability, homogeneity, and sterility.
  • Quality Control: Stringent quality control measures are essential at all stages of manufacturing to ensure the identity, strength, quality, and purity of the drug product.
  • Supply Chain Integrity: Maintaining an unbroken and secure supply chain is vital to prevent counterfeiting and ensure product availability.

Generic Manufacturing:

Generic manufacturers must demonstrate that their product is bioequivalent to the RLD and manufactured under cGMP. This often leads to lower manufacturing costs and the ability to offer products at a lower price point.

What is the Investment Outlook and Strategy?

The investment outlook for GYNE-LOTRIMIN is characterized by maturity and a reliance on established market presence rather than novel patent-driven growth. Investment strategies should focus on market share defense, operational efficiency, and potential value-added opportunities.

Investment Considerations:

  • Mature Market Dynamics: As a product with expired patents, GYNE-LOTRIMIN operates in a competitive, price-sensitive market. Significant revenue growth is unlikely without new indications or formulation innovations.
  • Generic Competition: The presence of multiple generic clotrimazole creams exerts downward pressure on pricing and market share for the branded product.
  • Cost of Goods Sold (COGS): Maintaining low COGS is critical for profitability in a price-competitive environment. Efficient API sourcing and streamlined manufacturing processes are key.
  • Marketing and Sales Effectiveness: Investment in targeted marketing to healthcare providers and potentially direct-to-consumer advertising (where appropriate and compliant) can help maintain brand recognition and loyalty.
  • Lifecycle Management: Bayer may pursue strategies such as developing improved formulations (e.g., extended-release, combination therapies), exploring new indications, or expanding geographic reach. Such initiatives could extend the product's commercial lifecycle.
  • Potential for Acquisition: Companies with a strong portfolio of generic antifungal products or those looking to expand their women's health offerings might consider acquiring GYNE-LOTRIMIN or its generic equivalents for market consolidation.

Investment Strategies:

  • Focus on Market Share Defense: For the branded product, investment in physician education, patient adherence programs, and evidence-based marketing can help retain market share.
  • Efficiency in Generic Production: For generic manufacturers, optimizing manufacturing processes, securing cost-effective API, and leveraging efficient distribution channels are paramount for profitability.
  • Exploration of Value-Added Opportunities: While core patents have expired, investment in research and development for potential new indications or improved delivery mechanisms of clotrimazole could unlock new revenue streams, though this carries significant R&D risk and cost.
  • Strategic Partnerships: Collaborations with healthcare providers or patient advocacy groups could strengthen market penetration and brand loyalty.

The primary investment thesis for GYNE-LOTRIMIN revolves around its established position in a stable, albeit competitive, market. Success will depend on efficient operations, targeted commercial strategies, and a clear understanding of the enduring impact of generic competition.

Key Takeaways

  • GYNE-LOTRIMIN operates in a large, stable VVC market characterized by high prevalence and recurrent cases.
  • Key patents for GYNE-LOTRIMIN have expired, leading to significant generic competition and price erosion.
  • The competitive landscape includes numerous generic clotrimazole products and other established antifungals like fluconazole and miconazole.
  • Regulatory approval is managed by the FDA, with generic approval contingent on demonstrating bioequivalence.
  • Investment in GYNE-LOTRIMIN requires a focus on market share defense, cost efficiency, and potential lifecycle management strategies, as substantial patent-driven growth is unlikely.

Frequently Asked Questions

  1. What are the most significant threats to GYNE-LOTRIMIN's market position? The primary threats are the widespread availability and lower cost of generic clotrimazole vaginal creams and the convenience of single-dose oral fluconazole treatments.

  2. Does Bayer AG have any active patents that could extend GYNE-LOTRIMIN's exclusivity? While core composition-of-matter and method-of-use patents have expired, Bayer may hold secondary patents related to specific formulations, manufacturing processes, or novel delivery systems. The commercial impact of these would require detailed patent landscape analysis.

  3. What is the typical prescription volume for GYNE-LOTRIMIN? Specific prescription volume data for GYNE-LOTRIMIN is proprietary and not publicly disclosed. Market size and prevalence data suggest a substantial prescription base, but this is subject to the competitive pressures mentioned.

  4. Are there any emerging or novel treatments for VVC that could disrupt the market for clotrimazole-based therapies? Research into novel antifungals, microbiome-based therapies, and improved diagnostic tools for VVC is ongoing. However, for common VVC, clotrimazole remains a well-established and generally effective treatment option.

  5. What are the key considerations for generic manufacturers looking to enter the clotrimazole vaginal cream market? Key considerations include demonstrating bioequivalence, securing a reliable and cost-effective API supply, meeting stringent cGMP manufacturing standards, and developing a competitive pricing and distribution strategy to gain market share against both branded and existing generic products.

Citations

[1] Centers for Disease Control and Prevention. (2021). Candidiasis. Retrieved from https://www.cdc.gov/fungal/diseases/candidiasis/index.html

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