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Last Updated: March 26, 2026

NORETHINDRONE AND ETHINYL ESTRADIOL (10/11) Drug Patent Profile


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When do Norethindrone And Ethinyl Estradiol (10/11) patents expire, and when can generic versions of Norethindrone And Ethinyl Estradiol (10/11) launch?

Norethindrone And Ethinyl Estradiol (10/11) is a drug marketed by Watson Labs and Watson Labs Teva and is included in two NDAs.

The generic ingredient in NORETHINDRONE AND ETHINYL ESTRADIOL (10/11) is ethinyl estradiol; norethindrone. There are twenty-six drug master file entries for this compound. Fifteen suppliers are listed for this compound. Additional details are available on the ethinyl estradiol; norethindrone profile page.

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Summary for NORETHINDRONE AND ETHINYL ESTRADIOL (10/11)
Drug patent expirations by year for NORETHINDRONE AND ETHINYL ESTRADIOL (10/11)
Recent Clinical Trials for NORETHINDRONE AND ETHINYL ESTRADIOL (10/11)

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SponsorPhase
Vertex Pharmaceuticals IncorporatedPHASE1
Cairo UniversityPHASE3
ViiV HealthcarePHASE1

See all NORETHINDRONE AND ETHINYL ESTRADIOL (10/11) clinical trials

US Patents and Regulatory Information for NORETHINDRONE AND ETHINYL ESTRADIOL (10/11)

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Watson Labs NORETHINDRONE AND ETHINYL ESTRADIOL (10/11) ethinyl estradiol; norethindrone TABLET;ORAL-21 071043-001 Apr 1, 1988 DISCN No No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Watson Labs Teva NORETHINDRONE AND ETHINYL ESTRADIOL (10/11) ethinyl estradiol; norethindrone TABLET;ORAL-28 071044-001 Apr 1, 1988 RX 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 of NORETHINDRONE AND ETHINYL ESTRADIOL (10/11)

Last updated: February 11, 2026

Overview

Norethindrone and Ethinyl Estradiol (10/11) combination is a combined oral contraceptive (COC) that combines progestin and estrogen. It is primarily used for contraception and treatment of hormonal imbalances. The global market for COCs, including formulations like 10/11, exhibits steady growth driven by rising demand for family planning and women’s health products, alongside expanding healthcare infrastructure and awareness.


Market Size and Growth Projections

The global contraceptive market size was valued at approximately USD 19.5 billion in 2021. It is projected to reach USD 25 billion by 2028, with a compound annual growth rate (CAGR) of around 4.2% (CAGR from 2021 to 2028).

The oral contraceptive segment comprises roughly 56-60% of this market, with combination pills like NORETHINDRONE and ETHINYL ESTRADIOL holding a significant share within this category. The growth is attributed to:

  • Increased awareness of women’s health.
  • Growing acceptance of oral contraceptives over other methods.
  • Expansion in emerging markets.

Distribution by Region (Estimated 2022):

Region Market Share Growth Rate (2022-2028) Key Drivers
North America 36% 3.8% Favorable regulatory environment, high awareness
Europe 22% 3.5% Established healthcare systems, high uptake
Asia-Pacific 25% 5.5% Large population base, increasing access
Latin America 10% 4.2% Growing healthcare infrastructure

Market Drivers

  1. Increasing Females of Reproductive Age: Women aged 15-49 represent the core demographic, with their numbers expanding across regions such as Asia-Pacific and Africa.

  2. Regulatory Approvals and Launches: Continuous approval of generic formulations and new combination options bolster market growth. The approval of low-dose formulations, like 10/11, has also expanded therapeutic options.

  3. Government and NGO Support: Family planning initiatives, especially in developing countries, facilitate broader access to contraception.

  4. Advances in Formulation and Delivery: Development of user-friendly dosage forms such as low-dose pills, with improved safety profiles, enhances adherence.

Market Restraints

  • Stringent regulations on hormone-based contraceptives.
  • Side effect concerns affecting demand.
  • Competition from non-oral methods including IUDs, implants, and patches.
  • Patent expirations and generic drug entry pressure profit margins.

Competitive Landscape

Major manufacturers producing NORETHINDRONE and ETHINYL ESTRADIOL formulations include:

  • Pfizer: Offers generic versions and patented formulations, including low-dose pills.
  • Teva Pharmaceuticals: A leading producer of generic oral contraceptives.
  • Bayer: Markets Yasmin, an oral contraceptive with a similar hormone profile.
  • McKesson: Supplies branded and generic oral contraceptives across markets.

Generic drugs dominate the market, reducing prices and increasing accessibility. The entry of biosimilars or alternative delivery methods could disrupt the market dynamics further.


Financial Trajectory and Investment Outlook

Pharmaceutical companies are investing in R&D to develop hormone formulations with fewer side effects and improved compliance. The generic market’s competitive pricing impacts profit margins, but high volume sales sustain revenues.

Expected revenue streams involve:

  • Steady sales in mature markets.
  • Growth in emerging markets driven by increased access.
  • Potential for formulation innovation to capture premium pricing segments.

The patent expiry timeline for key formulations of NORETHINDRONE and ETHINYL ESTRADIOL varies but generally occurs within the next 3-5 years, exerting downward pressure on prices.

Regulatory Trends:

  • US FDA approval of low-dose formulations demonstrates a trend toward safer, more tolerable options.
  • European regulatory bodies emphasize safety data, reinforcing demand for newer, better-tolerated formulations.
  • Countries adopting stricter regulations may slow market expansion temporarily but ultimately encourage innovation.

Future Trends

  • Development of formulations with reduced hormonal doses.
  • Introduction of combination pills with additional benefits (e.g., anti-acne, non-contraceptive health benefits).
  • Expansion of OTC availability in certain regions.
  • Integration of digital adherence tools.

Key Challenges

  • Managing side effects related to hormones.
  • Navigating regulatory transitions.
  • Addressing increased competition from non-oral contraceptives.

Key Takeaways

  • The NORETHINDRONE and ETHINYL ESTRADIOL (10/11) market remains stable, with growth driven by increased access and healthcare awareness.
  • Revenue is under pressure from patent expirations but offset by volume increases in emerging markets.
  • Innovation in formulations and delivery systems will shape future profitability.
  • Competitive landscape favors generics, with major players focusing on cost-effective manufacturing.
  • Regulatory pathways continue to evolve, influencing product development and market entry.

FAQs

1. What is the primary market for NORETHINDRONE and ETHINYL ESTRADIOL (10/11)?
The primary markets include North America and Europe, with rapid growth seen in Asia-Pacific and Latin America, driven by increasing contraceptive demand.

2. How does patent expiry impact the market for these drugs?
Patent expiry allows generic manufacturers to enter the market, reducing prices and increasing volume sales, but pressures profit margins for brand-name products.

3. What future innovations are anticipated in this market?
Expect development of lower-dose formulations, non-oral delivery options (implants, patches), and combination products with added health benefits.

4. Which companies are leading in manufacturing these formulations?
Pfizer, Teva, Bayer, and Mckesson are prominent, focusing on cost-effective generics and formulations with improved safety profiles.

5. What regulatory trends are influencing development and sales?
Agencies favor safer, well-tolerated formulations, encouraging lower doses and alternative delivery systems, while strict regulations in some regions slow approval processes.


References

[1] MarketWatch. “Contraceptive Market Size, Share & Trends Analysis Report.” 2022.

[2] Global Data. “Oral Contraceptives Market Trends and Forecasts.” 2021.

[3] U.S. Food and Drug Administration. “Guidance on Hormonal Contraceptive Formulations.” 2022.

[4] IMS Health. “Market Share Report of Major Generic Manufacturers.” 2022.

[5] European Medicines Agency. “Regulatory Framework for Contraceptives.” 2022.

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