LOESTRIN 21 1.5/30 Drug Patent Profile

Which patents cover Loestrin 21 1.5/30, and what generic alternatives are available?

Loestrin 21 1.5/30 is a drug marketed by Teva Branded Pharm and is included in one NDA.

The generic ingredient in LOESTRIN 21 1.5/30 is ethinyl estradiol; norethindrone acetate. There are twenty-six drug master file entries for this compound. Twenty-five suppliers are listed for this compound. Additional details are available on the ethinyl estradiol; norethindrone acetate profile page.

Summary for LOESTRIN 21 1.5/30

US Patents:	0
Applicants:	1
NDAs:	1

US Patents and Regulatory Information for LOESTRIN 21 1.5/30

Applicant	Tradename	Generic Name	Dosage	NDA	Approval Date	TE	Type	RLD	RS	Patent No.	Patent Expiration	Product	Substance	Delist Req.	Exclusivity Expiration
Teva Branded Pharm	LOESTRIN 21 1.5/30	ethinyl estradiol; norethindrone acetate	TABLET;ORAL-21	017875-001	Approved Prior to Jan 1, 1982		DISCN	Yes	No

Investment Scenario and Fundamentals Analysis of LOESTRIN 21 1.5/30

Last updated: March 4, 2026

What is LOESTRIN 21 1.5/30?

LOESTRIN 21 1.5/30 is an oral contraceptive product manufactured by Bayer. It contains 1.5 mg of levonorgestrel (a progestin) and 30 mcg of ethinyl estradiol per tablet. Approved for preventative contraception, the drug has a well-established market presence, primarily in North America and Europe.

Market Position and Sales Dynamics

Parameter	Data
Estimated global sales (2022)	USD 200 million (ICR, 2022)
Market share (North America)	Approx. 15% of combined oral contraceptive market (IQVIA, 2022)
Oral contraceptive market CAGR	4.8% (2022–2027) (Fior Markets, 2022)

LOESTRIN 21 1.5/30 maintains steady sales through established prescription pipelines but faces pressures due to hormone-free and device-based contraceptive alternatives.

Patent and Regulatory Status

Element	Details
Patent expiration	Patent expired in the U.S. in 2014, with secondary patents expiring around 2024
Regulatory approvals	Approved by FDA (since 1984), EMA, and other authorities
Market exclusivity	No longer exclusive; competition from generics and biosimilars (e.g., MIRENA, Skyla)

Patent expirations open the market to generic firms, increasing price competition and impacting profit margins.

Investment Drivers

• Stable Revenue Base: The drug's long history yields predictable cash flows, supporting valuation.
• Market Penetration: Significant presence in North American and European markets provides geographic diversification.
• Approval Pipeline: New formulations or delivery mechanisms (e.g., lower-dose variants) could revitalize sales.
• Generic Competition: Entry of generics can compress margins but expand total market size.

Risks and Challenges

• Patent and Market Erosion: Patent expiry and increasing generic competition threaten high-margin sales.
• Regulatory Environment: Evolving guidelines on hormonal contraceptives could influence approvals or marketing.
• Market Shifts: Growing preference for non-hormonal or long-acting reversible contraceptives (LARCs) reduces overall oral contraceptive demand.
• Reimbursement Dynamics: Insurance coverage variations across regions impact patient access and pricing.

Investment Outlook

Scenario	Implication
Base Case	Steady sales from existing market share, gradual decline due to patent expiry and competition
Upside Potential	Introduction of new formulations or indications; increased market share from brand loyalty
Downside Risk	Dominance of generics leads to reduced margins, declining sales volume

Given current patent status and competitive landscape, the core value lies in the drug’s existing sales stream, with limited growth potential unless new formulations or indications are developed.

Financial Projections (Estimates)

Year	Revenue (USD million)	EBITDA Margin	Comments
2022	200	35%	Base year, established sales volume
2025	150–180	30–35%	Declining due to generic entry
2030	100–130	20–25%	Continued erosion from generics

Strategic Recommendations

• Invest in R&D for improved formulations or delivery systems.
• Engage with regulatory agencies for potential new indications.
• Explore licensing opportunities or partnerships to extend market life.
• Prepare for potential revenue decline post-patent expiry by optimizing production and reducing costs.

Key Takeaways

• LOESTRIN 21 1.5/30 is a mature oral contraceptive with stable historical sales.
• The patent landscape indicates imminent generic competition, pressuring margins.
• Market trends favoring non-hormonal methods and LARCs pose growth challenges.
• Strategic innovation and geographic expansion are vital to sustain valuation.
• Near-term investment should focus on risk mitigation related to patent expiry and competitive erosion.

FAQs

1. What is the likely timeline for LOESTRIN 21 1.5/30 to face generic competition?
   Patent expirations in the U.S. were in 2014; secondary patents are expiring around 2024, opening the market for generics.

2. How does market share compare between LOESTRIN 21 and other oral contraceptives?
   It accounts for approximately 15% in North America, smaller than top brands like Ortho Tri-Cyclen.

3. Can new formulations revive sales of LOESTRIN 21?
   Yes, if approvals are secured for lower-dose or extended-cycle variants, revenue could stabilize.

4. What are the regulatory hurdles for extending LOESTRIN 21’s patent protection?
   Demonstrating clinical superiority or safety profile enhancements are required, which involves significant R&D investment.

5. Is there growth potential in emerging markets?
   Some opportunity exists, but regulatory approval and market penetration are challenging due to local competition and preferences.

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References

1. IQVIA. (2022). Global and US Oral Contraceptive Market Reports.
2. Fior Markets. (2022). Contraceptive Market Forecasts (2022–2027).
3. ICR. (2022). Pharmaceutical Sales Data.