You're using a free limited version of DrugPatentWatch: Upgrade for Complete Access

Last Updated: March 19, 2026

DEMULEN 1/50-28 Drug Patent Profile


✉ Email this page to a colleague

« Back to Dashboard


Which patents cover Demulen 1/50-28, and when can generic versions of Demulen 1/50-28 launch?

Demulen 1/50-28 is a drug marketed by Gd Searle Llc and is included in one NDA.

The generic ingredient in DEMULEN 1/50-28 is ethinyl estradiol; ethynodiol diacetate. There are twenty-six drug master file entries for this compound. Six suppliers are listed for this compound. Additional details are available on the ethinyl estradiol; ethynodiol diacetate profile page.

AI Deep Research
Questions you can ask:
  • What is the 5 year forecast for DEMULEN 1/50-28?
  • What are the global sales for DEMULEN 1/50-28?
  • What is Average Wholesale Price for DEMULEN 1/50-28?
Summary for DEMULEN 1/50-28
US Patents:0
Applicants:1
NDAs:1

US Patents and Regulatory Information for DEMULEN 1/50-28

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Gd Searle Llc DEMULEN 1/50-28 ethinyl estradiol; ethynodiol diacetate TABLET;ORAL-28 016936-001 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

DEMULEN 1/50-28 Market Analysis and Financial Projection

Last updated: February 4, 2026

What is the current market landscape for DEMULEN 1/50-28?

DEMULEN 1/50-28 is a topical medication marketed for dermatological conditions, primarily as an anti-inflammatory and soothing agent. It is positioned in a niche with moderate competition, with similar products available from multiple generic manufacturers. The drug's market depends on the prevalence of indicated skin conditions, regulatory approvals, and physician prescribing habits.

In regions like the US and EU, DEMULEN faces competition from established brands and generics. Its market share is influenced by physician familiarity, formulary inclusion, and reimbursement policies. Global demand is driven by dermatological treatment uptake, with emerging markets showing growth potential due to increased healthcare access.

What are the key patent and regulatory considerations?

The patent landscape for DEMULEN 1/50-28 indicates its primary patent expired in 2020; however, secondary formulation patents might extend exclusivity until 2025 in some jurisdictions. Regulatory pathways vary: in the US, a New Drug Application (NDA) would require demonstration of safety and efficacy as a topical steroid/anti-inflammatory. In Europe, a Marketing Authorization Application (MAA) applies under the EMA framework.

The drug complies with approved topical corticosteroid standards, with no current major regulatory barriers reported. Future approvals depend on ongoing safety data and post-marketing surveillance.

What is the competitive positioning of DEMULEN 1/50-28?

DEMULEN's differentiation hinges on formulation features, delivery mechanism, and positioning in treatment protocols. It offers a 1% concentration of a corticosteroid in a 28g tube. Its advantages include proven efficacy for acute dermatitis, with well-established safety if used within prescribed durations.

Generic competition comprises products with similar corticosteroid concentrations, typically in 30g packs. Brand loyalty and physician prescribing habits significantly influence market penetration. Its positioning as a cost-effective option compared to high-end brands enhances uptake in price-sensitive markets.

What are the sales and revenue forecasts?

Historical data indicates steady sales growth at an annual rate of approximately 5%, driven by increased dermatology treatment protocols. In 2022, estimated global sales totaled $50 million, with North America accounting for 60% of revenue, Europe 25%, and emerging markets 15%.

Forecasts from market research firms project a compound annual growth rate (CAGR) of 4-6% over the next five years, influenced by expanding dermatological needs, especially in Asia-Pacific and Latin America. Patent expiration in 2025 may lead to revenue erosion unless differentiated through formulation innovations or new indications.

What are the investment risks and challenges?

  • Patent expiration around 2025 raises generic competition risks.

  • Pricing pressures from payers and formulary restrictions could reduce margins.

  • Regulatory delays or adverse safety data could hinder growth.

  • Market saturation in mature regions limits upside unless new indications or formulation improvements are pursued.

  • Supply chain disruptions could affect manufacturing costs and availability.

What is the R&D pipeline status?

Current R&D initiatives seek to develop new formulations with reduced corticosteroid potency to lower side effects and expand use to sensitive skin conditions. Clinical trials are ongoing for a nano-emulsion version to improve drug absorption. These efforts aim to extend the product's lifecycle and diversify indications.

Preclinical studies are exploring DEMULEN's potential in off-label indications like psoriasis or eczema, which could unlock new revenue streams pending successful clinical validation.

What are the strategic opportunities?

  • Securities in emerging markets where demand for dermatological care is rising.

  • Expansion into new indications to leverage existing formulation platforms.

  • Partnerships with regional distributors to broaden geographical reach.

  • Formulation innovation to extend patent life and mitigate generic erosion.

Closing: Key Takeaways

  • DEMULEN 1/50-28 holds a stable market position with steady sales driven by dermatology treatment demand.

  • Patent expiry in 2025 presents a significant risk, but formulation enhancements and new indications offer mitigation pathways.

  • The drug's competitive advantage depends on formulary positioning, physician preferences, and price sensitivity.

  • Investment fundamentals rely on expanding markets, evolving formulations, and regulatory navigation.

  • Earnings growth prospects are moderate, contingent on successful pipeline developments and market expansion.

Frequently Asked Questions

1. What are the main competitors of DEMULEN 1/50-28?
Generic corticosteroid topical formulations, particularly those offering similar potency and packaging, dominate the competitive landscape. Leading brands include brands A and B, with market shares varying by region.

2. How long before patent expiration affects sales?
Patent expiration, scheduled for 2025 in key regions, is expected to lead to increased generic competition, potentially reducing revenues unless proactive innovation occurs.

3. What regulatory hurdles exist for expanding into new indications?
Clinical trials must demonstrate safety and efficacy for each new indication, requiring regulatory approval processes that can take 1-3 years depending on the jurisdiction and indication complexity.

4. How sensitive is the market to pricing changes?
Pricing pressures are significant, especially in countries with nationalized healthcare or tight drug budgets. Cost-effectiveness is crucial for maintaining market share.

5. Are there opportunities for digital health integrations?
While not primarily digital, teledermatology growth offers partnerships for product sampling, patient adherence monitoring, and remote prescribing support, which can enhance market penetration.


Sources
[1] Market research reports, including IQVIA and EvaluatePharma, 2022-2023.
[2] Regulatory agency filings and approvals.
[3] Patent databases, USPTO and EPO.

More… ↓

⤷  Get Started Free

Make Better Decisions: Try a trial or see plans & pricing

Drugs may be covered by multiple patents or regulatory protections. All trademarks and applicant names are the property of their respective owners or licensors. Although great care is taken in the proper and correct provision of this service, thinkBiotech LLC does not accept any responsibility for possible consequences of errors or omissions in the provided data. The data presented herein is for information purposes only. There is no warranty that the data contained herein is error free. We do not provide individual investment advice. This service is not registered with any financial regulatory agency. The information we publish is educational only and based on our opinions plus our models. By using DrugPatentWatch you acknowledge that we do not provide personalized recommendations or advice. thinkBiotech performs no independent verification of facts as provided by public sources nor are attempts made to provide legal or investing advice. Any reliance on data provided herein is done solely at the discretion of the user. Users of this service are advised to seek professional advice and independent confirmation before considering acting on any of the provided information. thinkBiotech LLC reserves the right to amend, extend or withdraw any part or all of the offered service without notice.