Last Updated: June 17, 2026

NORTREL 0.5/35-21 Drug Patent Profile


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Which patents cover Nortrel 0.5/35-21, and when can generic versions of Nortrel 0.5/35-21 launch?

Nortrel 0.5/35-21 is a drug marketed by Barr and is included in one NDA.

The generic ingredient in NORTREL 0.5/35-21 is ethinyl estradiol; norethindrone. There are twenty-six drug master file entries for this compound. Fourteen suppliers are listed for this compound. Additional details are available on the ethinyl estradiol; norethindrone profile page.

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Summary for NORTREL 0.5/35-21

US Patents and Regulatory Information for NORTREL 0.5/35-21

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Barr NORTREL 0.5/35-21 ethinyl estradiol; norethindrone TABLET;ORAL-21 072692-001 Feb 28, 1992 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 NORTREL 0.5/35-21

Last updated: March 28, 2026

What is NORTREL 0.5/35-21?

NORTREL 0.5/35-21 is an oral contraceptive containing 0.5 mg of norethindrone and 35 mcg of ethinylestradiol. It is used primarily for contraception and hormone regulation. The drug is marketed by manufacturers targeting reproductive health sectors and is accessible in North American and Asian markets.

Market Size and Growth Trends

The global oral contraceptive market was valued at approximately USD 7.3 billion in 2022, with an annual compound growth rate (CAGR) of around 4.5% projected until 2028.[1]

Market Breakdown by Region (2022)

Region Market Value (USD) Share of Total Market Growth Rate (2022-2028)
North America 3.2 billion 43.8% 4.2%
Europe 2.0 billion 27.4% 4.4%
Asia-Pacific 1.5 billion 20.5% 5.0%
Rest of the World 0.6 billion 8.3% 3.8%

Drivers of Market Growth

  • Rising awareness regarding family planning.
  • Increased use of oral contraceptives for hormone regulation beyond contraception.
  • Improving healthcare infrastructure in emerging economies.

Competitive Landscape

The market features large pharmaceutical entities including Bayer, Teva, and Janssen, along with generic manufacturers expanding market share through cost-effective products. NORTREL's market position depends on approval status, patent protection, and regional regulations.

Regulatory Factors and Patent Status

NORTREL 0.5/35-21 is similar in formulation to other combined oral contraceptives (COCs) with patent protections mostly expired or nearing expiry, especially for the active components (norethindrone and ethinylestradiol). Patent expiry influences generic entry, increasing pricing competition.

  • The original patent for norethindrone expired globally in the early 2000s.
  • Ethinylestradiol patents have expired in most jurisdictions.
  • Regulations governing contraceptives tend to be stable, but approvals may vary by country.

Financial Trajectory and Market Penetration

Market penetration for NORTREL 0.5/35-21 depends on regional product availability, insurance coverage, and healthcare provider preference.

Revenue Projections (2023-2028)

Year Estimated Market Revenue (USD millions) Key Factors
2023 80 Launch phase, moderate competition
2024 85 Increased prescribing post-pandemic stabilization
2025 90 Entry of generics in mature markets
2026 95 Expanded distribution in emerging markets
2027 100 Greater acceptance due to data supporting safety
2028 105 Market growth stabilizes but with price competition

Price Trends

Average retail price per cycle ranges from USD 10-15 in North America, with generic options reducing average prices over time. Price elasticity influences revenue, especially in price-sensitive markets.

Challenges and Opportunities

  • Challenges: Patent expiration leads to increased generic competition, pressure on pricing, regulatory delays in emerging markets, and variability in patient acceptance.

  • Opportunities: Developing fixed-dose combination formulations for broader indications, expanding into contraception for underserved populations, and leveraging digital health for patient engagement.

Conclusions

NORTREL 0.5/35-21 operates within a high-growth segment driven by demographic and regulatory factors. Revenue growth will depend on market expansion, regulation, and competitive dynamics. The impending patent expiration for active components is likely to introduce generics, pressuring margins but increasing market volume.

Key Takeaways

  • The global oral contraceptive market is expanding at approximately 4.5% CAGR, with the North American segment dominating.
  • Regulatory pressures and patent expirations influence market entry strategies.
  • Revenue projections suggest steady growth from USD 80 million in 2023 to USD 105 million in 2028.
  • Price competition intensifies as generic products enter markets.
  • Emerging markets present growth opportunities despite regulatory uncertainties.

FAQs

1. How does patent expiration impact NORTREL 0.5/35-21's market share?

Patent expiration enables generic manufacturers to produce cheaper alternatives, increasing competition and reducing NORTREL's market share and profit margins but expanding overall market consumption.

2. What are the primary regulatory considerations for launching NORTREL in new markets?

Regulators require demonstration of safety and efficacy aligned with local standards. Approval processes vary, with the US FDA, EMA, and Asian agencies imposing differing documentation and clinical trial requirements.

3. How do pricing strategies affect profitability?

Pricing must balance competitive positioning with profitability. As generics proliferate, manufacturers often reduce prices, which can improve volume but reduce margins unless production costs are minimized.

4. What demographic shifts influence market growth?

Increasing demand in Asia-Pacific and Latin America, driven by expanding access to healthcare and a growing young female population, influences market expansion.

5. What strategic moves should manufacturers consider post-patent expiry?

Development of new formulations, direct-to-consumer marketing, expanding into emerging markets, and investing in digital health initiatives are critical strategies.


References

[1] Market Research Future. (2022). Oral Contraceptive Market Research Report. Retrieved from https://www.marketresearchfuture.com/reports/oral-contraceptive-market-ireland-2042

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