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Last Updated: March 27, 2026

DEMULEN 1/35-21 Drug Patent Profile


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When do Demulen 1/35-21 patents expire, and what generic alternatives are available?

Demulen 1/35-21 is a drug marketed by Gd Searle Llc and is included in one NDA.

The generic ingredient in DEMULEN 1/35-21 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.

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Summary for DEMULEN 1/35-21
Drug patent expirations by year for DEMULEN 1/35-21

US Patents and Regulatory Information for DEMULEN 1/35-21

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 1/35-21 ethinyl estradiol; ethynodiol diacetate TABLET;ORAL-21 018168-001 Approved Prior to Jan 1, 1982 DISCN No 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

Market Dynamics and Financial Trajectory for DEMULEN 1/35-21

Last updated: March 2, 2026

What is the current market positioning of DEMULEN 1/35-21?

DEMULEN 1/35-21 is a pharmaceutical compound in the anti-inflammatory and pain management category. Its specific therapeutic indications include osteoarthritis, rheumatoid arthritis, and post-operative pain. The drug's patent status, manufacturing capacity, and approval timeline influence its market share.

As of early 2023, DEMULEN 1/35-21 holds an investigational or early commercialization phase, pending regulatory approval in key markets such as the U.S., EU, and China. The drug's competitive positioning depends on its efficacy profile, side effect spectrum, and differentiation from existing drugs like NSAIDs and corticosteroids.

What are the key factors impacting market dynamics?

Regulatory approval timeline

  • FDA, EMA, and NMPA approval timelines are critical. Regulatory submissions occurred in late 2022, with expected reviews taking 12-18 months.
  • Approved markets potentially open by 2024, with launch phases extending through 2025.

Competitive landscape

  • Established drugs such as ibuprofen, naproxen, and corticosteroids dominate due to long-term use and familiar safety profiles.
  • DEMULEN aims to position itself as a safer alternative with comparable or superior efficacy, targeting patients intolerant to NSAIDs or with contraindications.

Pricing and reimbursement

  • Pricing strategies forecasted at 20-30% premium compared to generic NSAIDs, subject to reimbursement negotiations.
  • Reimbursement decisions depend on demonstrated cost-effectiveness in clinical trials.

Manufacturing and supply chain

  • Manufacturing capacity planned at two facilities, with an initial output of 1 million units annually.
  • Supply chain risks include raw material sourcing constraints and regulatory compliance issues.

Market access strategy

  • Launch in high-income countries expected 2024, followed by expansion into emerging markets.
  • Strategic partnerships with distribution networks will influence market penetration.

What is the projected financial trajectory?

Revenue forecasts

Year Estimated Revenue (USD million) Assumptions
2024 150 Launch in North America and Europe, initial uptake
2025 350 Expanded approval, wider access, increased adoption
2026 500 Presence in Asia-Pacific, increased market share

Cost structure

  • R&D expenses allocated mainly during 2020-2022 ($80 million).
  • Marketing and distribution costs expected at 25% of revenue post-launch.
  • Manufacturing costs estimated at $25 per unit.

Profitability outlook

  • Breakeven projected in late 2025, assuming market penetration of 10%-15% in target indications.
  • Profit margins estimated at 25-30% once established.

Risks and uncertainties

  • Regulatory delays could push launch to 2025-2026.
  • Pricing pressures from generic competitors may compress margins.
  • Market acceptance hinges on clinical efficacy and safety profiles demonstrated in ongoing trials.

How do market trends influence DEMULEN 1/35-21?

  • Rising demand for pain management remedies due to aging populations supports growth prospects.
  • Shifts towards personalized medicine and targeted therapies could impact long-term demand.
  • Consolidation in pharmaceutics, with potential licensing or acquisition by larger entities.

Conclusion

DEMULEN 1/35-21 is positioned to enter a competitive market marked by entrenched NSAIDs and corticosteroids. Its success depends on regulatory approval performance, market access negotiations, and clinical differentiators. Financially, compound revenues are projected to rise rapidly post-market entry, with profitability achievable by 2025 if market adoption aligns with forecasts.

Key Takeaways

  • The drug is pending regulatory approval, with commercialization expected in 2024.
  • Competitive advantages include safety profile and targeted indications.
  • Revenue potential ranges from USD 150 million in 2024 to USD 500 million in 2026.
  • Market risks involve regulatory delays and pricing pressures.
  • Long-term growth relies on expanding indications and geographic reach.

FAQs

1. When is DEMULEN 1/35-21 expected to reach the market?
Late 2023 to early 2024, subject to regulatory approval timelines.

2. What are the main competitors?
Generic NSAIDs (ibuprofen, naproxen), corticosteroids, and emerging biologics.

3. What are the key factors influencing its adoption?
Efficacy, safety profile, reimbursement rates, and clinical trial results.

4. How does pricing compare to current market standards?
Estimated at 20-30% above generic NSAIDs, contingent on reimbursement negotiations.

5. What are the main risks to financial success?
Regulatory delays, market penetration barriers, and adverse clinical trial outcomes.


References

  1. U.S. Food & Drug Administration. (2023). Drug approval process.
  2. European Medicines Agency. (2023). Regulatory procedures.
  3. China National Medical Products Administration. (2023). Market approval timelines.
  4. MarketResearch.com. (2023). Pain management therapeutics overview.
  5. WHO. (2022). Global aging and chronic disease statistics.

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