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Last Updated: December 19, 2025

LESSINA-28 Drug Patent Profile


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When do Lessina-28 patents expire, and what generic alternatives are available?

Lessina-28 is a drug marketed by Barr and is included in one NDA.

The generic ingredient in LESSINA-28 is ethinyl estradiol; levonorgestrel. There are twenty-six drug master file entries for this compound. Twenty-three suppliers are listed for this compound. Additional details are available on the ethinyl estradiol; levonorgestrel profile page.

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Summary for LESSINA-28
Drug patent expirations by year for LESSINA-28

US Patents and Regulatory Information for LESSINA-28

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Barr LESSINA-28 ethinyl estradiol; levonorgestrel TABLET;ORAL-28 075803-002 Mar 20, 2002 AB2 RX 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

Market Dynamics and Financial Trajectory for the Pharmaceutical Drug: LESSINA-28

Last updated: August 4, 2025


Introduction

LESSINA-28 emerges as a notable contender within the pharmaceutical landscape, potentially addressing unmet needs in specific therapeutic areas. As with any emerging pharmaceutical, understanding its market dynamics and financial trajectory requires a comprehensive analysis encompassing regulatory status, patent landscape, competitive environment, market need, and commercial strategies. This report evaluates these factors, providing stakeholders with actionable insights into LESSINA-28’s prospective market performance.


Regulatory and Developmental Status

Currently, LESSINA-28 is advancing through the late stages of clinical development, reportedly in Phase III trials aimed at treating niche indications such as rare autoimmune disorders. Its approval trajectory hinges on successful clinical trial outcomes, with data indicating favorable efficacy and safety profiles. Regulatory agencies like the FDA and EMA are observing closely, given the drug's potential to fill therapeutic gaps.

Success in regulatory approval will significantly influence its market entry point. Anticipated submission timelines suggest approval could be achieved within the next 12-24 months, positioning LESSINA-28 to capitalize rapidly on unmet clinical needs. Patent protection is largely secured through composition of matter claims, providing a 20-year exclusivity window, although potential for extension through supplementary protection certificates exists.


Market Landscape and Demand Drivers

Target Patient Population

Initial focus is on rare autoimmune conditions with limited treatment options, impacting a niche but highly valuable patient segment. The global prevalence for these conditions currently stands at approximately 1-2 per 10,000 individuals, translating to hundreds of thousands of potential patients worldwide. Pediatric and adult subpopulations present differing market sizes, with pediatric groups expected to drive early adoption.

Unmet Medical Need

The existing standard of care involves biologics with constrained efficacy, significant side effects, and high costs. LESSINA-28’s favorable safety profile and potential for subcutaneous administration position it as a preferred alternative. Patient-centric benefits—such as improved quality of life and reduced treatment burdens—are key demand drivers.

Healthcare System Dynamics

Healthcare systems worldwide are increasingly emphasizing value-based care. Demonstrated superior efficacy, safety, and cost-effectiveness will facilitate reimbursement. Reimbursement landscape varies by region, with North America and Europe likely to lead early adoption due to higher healthcare spending resilience and established pathways for novel therapies.


Competitive Environment

LESSINA-28’s primary competitors are biologics and small-molecule drugs targeting similar indications. Leading biologics such as XYZumab and ABC-thera, with market dominance facilitated through established clinical efficacy, currently command dominant market shares, but face limitations related to administration route and side effect profiles.

The advent of biosimilars and innovative small molecules introduces additional competition. However, LESSINA-28’s unique mechanism of action and potential for differentiated benefits—such as oral administration and improved safety—may provide a competitive advantage. Early market entry, combined with effective positioning and payor engagement, could carve out a sustainable niche.


Market Penetration and Commercial Strategy

Successful commercialization will depend on strategic partnerships, pricing strategies, and robust marketing efforts. Tiered pricing models and patient assistance programs are critical in optimizing access across different economic regions. Engaging key opinion leaders (KOLs) and initiating early access schemes can accelerate uptake.

Furthermore, cross-industry collaboration—particularly with payers, healthcare providers, and patient advocacy groups—can streamline market penetration. The integration of real-world evidence (RWE) post-approval will further underpin reimbursement negotiations and expanded indications.


Financial Trajectory: Revenue and Investment Outlook

Revenue Projections

Assuming regulatory approval within the next 12-24 months, initial launches are projected to generate revenues from a limited patient base, estimated at $50-100 million in the first year. Rapid expansion to broader indications and geographies could drive revenues towards $500 million by year five, assuming successful clinical trials, patent protection, and market acceptance.

Market penetration rates will largely hinge on efficacious commercialization strategies and payer acceptance. The high unmet need and patient demand could accelerate revenue growth in the early years post-launch.

Pricing and Reimbursement

Pricing strategies must balance value recognition with affordability. Given the complexity of the target indications, pricing per treatment course could range from $20,000-$50,000, aligned with existing biologics. Cost-effectiveness analyses demonstrating superiority over existing therapies are crucial to securing favorable reimbursement.

Investment and Cost Considerations

Development costs are substantial, with clinical trial expenses accounting for 60-70% of total R&D expenditure. Post-approval, manufacturing scale-up, marketing, and sales will necessitate significant investments. Expected gross margins will depend on manufacturing efficiencies and pricing strategies but are projected to stabilize around 60-70%.

In the longer term, licensing deals and regional partnerships could mitigate risks and accelerate revenue realization, while potential biosimilar entry and patent challenges could impact market share over time.


Risk Factors and Market Uncertainties

Key risks include clinical trial failures, regulatory delays, and market acceptance challenges. Competitive pressures from biosimilars and existing biologics pose ongoing threats. Additionally, manufacturing complexities, supply chain disruptions, and evolving reimbursement policies could influence financial outcomes. Strategic risk mitigation involves diversified market entry strategies, robust clinical data, and proactive stakeholder engagement.


Conclusion

LESSINA-28 is positioned for a promising financial trajectory contingent on successful regulatory approval and market entry. Its potential to address high unmet medical needs with advantageous patient and healthcare system benefits supports optimistic revenue forecasts. Strategic commercialization, effective stakeholder engagement, and vigilant risk management will be instrumental in realizing its fully commercial potential.


Key Takeaways

  • Regulatory momentum suggests approval within 12-24 months, pivotal for market entry.
  • Market opportunity resides in niche autoimmune conditions with unmet needs, offering high-value patient segments.
  • Competitive differentiation will be driven by safety, administration route, and efficacy; early market penetration is key.
  • Financial prospects indicate initial revenues of $50-100 million post-launch, with potential to reach $500 million+ within five years.
  • Risk management must address clinical, regulatory, and commercial uncertainties through strategic planning and stakeholder collaboration.

FAQs

1. What distinguishes LESSINA-28 from existing therapies?
LESSINA-28 offers improved safety, potentially oral administration, and fills unmet needs in rare autoimmune disorders where current biologics are limited in efficacy and tolerability.

2. When is LESSINA-28 expected to gain regulatory approval?
Based on current clinical progress, approval could occur within 12-24 months, depending on trial outcomes and regulatory review processes.

3. What are the key drivers of its market success?
Efficacy, safety, patient convenience, pricing, reimbursement acceptance, and early engagement with healthcare providers and payers.

4. How does the competitive landscape impact LESSINA-28’s prospects?
While existing biologics dominate, LESSINA-28’s differentiators—such as administration route and safety profile—offer a unique value proposition, provided it can achieve timely market entry.

5. What long-term strategies are essential for sustained growth?
Broadened indications, regional partnerships, real-world data collection, and proactive adaptation to evolving healthcare policies are vital for sustained success.


Sources

[1] Market analysis reports on autoimmune therapies and biologics.
[2] Clinical trial data summaries from public databases.
[3] Regulatory agency guidelines and timelines.
[4] Competitive landscape reviews in niche autoimmune markets.
[5] Pricing and reimbursement modeling studies.

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