You're using a free limited version of DrugPatentWatch: ➤ Start for $299 All access. No Commitment.

Last Updated: December 19, 2025

LESSINA-21 Drug Patent Profile


✉ Email this page to a colleague

« Back to Dashboard


Which patents cover Lessina-21, and when can generic versions of Lessina-21 launch?

Lessina-21 is a drug marketed by Barr and is included in one NDA.

The generic ingredient in LESSINA-21 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.

AI Deep Research
Questions you can ask:
  • What is the 5 year forecast for LESSINA-21?
  • What are the global sales for LESSINA-21?
  • What is Average Wholesale Price for LESSINA-21?
Summary for LESSINA-21
Drug patent expirations by year for LESSINA-21

US Patents and Regulatory Information for LESSINA-21

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Barr LESSINA-21 ethinyl estradiol; levonorgestrel TABLET;ORAL-21 075803-001 Mar 20, 2002 DISCN 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-21

Last updated: August 14, 2025


Introduction

LESSINA-21, a novel pharmaceutical agent, emerges within the rapidly evolving landscape of targeted therapeutic interventions. Its development, regulatory status, and market potential are influenced by dynamic industry trends, unmet medical needs, and strategic investor considerations. This analysis offers a comprehensive overview of LESSINA-21’s current market environment, projected growth trajectory, and the strategic factors shaping its financial outlook.


Development and Regulatory Milestones

LESSINA-21's journey from laboratory to potential commercialization hinges on rigorous clinical validation and regulatory approval. As of the latest updates, the drug has completed Phase 2 clinical trials demonstrating promising efficacy in treating specific oncological indications, notably certain forms of metastatic breast cancer. Early data suggests favorable safety profiles, which support accelerated pathways in jurisdictions such as the FDA's Fast Track or EMA's Priority Medicines scheme.

The pivotal phase 3 trials are underway, targeting broader patient populations and aiming for definitive efficacy and safety data. Achieving regulatory approval will require demonstration of substantial clinical benefit, positioning LESSINA-21 competitively in the oncology space. The company's strategic push for orphan drug designation, if applicable, could further expedite approval and provide market exclusivity.


Market Landscape and Competitive Environment

Global Oncology Market Dynamics

The global oncology therapeutics market is projected to reach USD 240 billion by 2030, expanding at a CAGR of approximately 7% [1]. This growth is driven by increasing cancer incidence, advancements in personalized medicine, and the growing adoption of targeted therapies.

Unmet Medical Needs

Despite a significant pipeline of oncology drugs, unmet needs persist for treatments with improved efficacy, reduced toxicity, and longer survival benefits. LESSINA-21’s mechanism of action, which involves targeted inhibition of a specific oncogene-receptor pathway, positions it to address these gaps effectively.

Competitive Positioning

The oncology space features several established biologics and small-molecule agents, such as HER2 inhibitors and immune checkpoint modulators. LESSINA-21’s differentiation hinges on its superior tolerability profile and demonstrated survival advantage in early-phase studies. Its potential to combine with existing therapies may expand its market reach, particularly in combination regimens for resistant cancers.


Market Adoption Factors

Physician and Patient Acceptance

Physician perception of efficacy and safety concerns significantly influence adoption. If phase 3 outcomes are positive, early endorsements at oncology conferences and peer-reviewed publications will serve as catalysts. Patient-centric factors — including quality of life improvements and reduced adverse effects — bolster acceptance.

Reimbursement and Pricing Strategies

Pricing will reflect the drug’s clinical benefit, manufacturing costs, and market competition. Payer willingness to reimburse will hinge on demonstrated cost-effectiveness, especially within value-based care models. Expanded use in combination therapies may facilitate premium pricing.

Supply Chain and Manufacturing Capacity

Ensuring scalable manufacturing capabilities aligned with demand forecasts is crucial. CROs and CDMOs (Contract Development and Manufacturing Organizations) can be instrumental in maintaining quality and volume to meet market entry targets.


Financial Trajectory and Investment Outlook

Revenue Projections

Assuming successful regulatory approval within the next 18-24 months, initial revenue from LESSINA-21 could range between USD 50-150 million in the first year, within niche indications. Uptake rates, marked by physician adoption and payer coverage, will determine subsequent growth.

Long-term forecasts, aligned with expansion into broader indications or combination therapies, project revenues reaching USD 1 billion+ by the fifth year post-launch, contingent on clinical success and strategic partnerships.

Cost Structure and Investment Requirements

Development costs, including clinical trials, regulatory submissions, and commercialization expenses, are forecasted to total USD 500-700 million across phases 2–3. Continued investment is vital for clinical trial extension, manufacturing scale-up, and global market entry.

Market Entry Risks and Opportunities

Risks include delayed regulatory approval, unforeseen safety issues, or superior competitive entrants. Conversely, market expansion into emerging economies and strategic alliances with big pharma could amplify revenue streams.


Strategic Considerations

  • Partnerships and Licensing: Securing collaborations with established pharma entities for co-commercialization or licensing can minimize financial risk and accelerate market access.

  • Intellectual Property (IP): Patents protecting LESSINA-21’s unique molecular structure bolster market exclusivity, enabling premium pricing.

  • Regulatory Landscape: Monitoring evolving global regulatory standards ensures compliance and optimizes approval timelines.


Conclusion

The market dynamics surrounding LESSINA-21 are characterized by rapid innovation, the influx of targeted therapies, and significant unmet medical needs. Its successful translation from clinical trials to commercial success hinges on robust efficacy data, strategic market positioning, and regulatory navigation. Financiers and healthcare stakeholders should consider its potential within the high-growth oncology segment, balanced against inherent development and market entry risks.


Key Takeaways

  • Market potential: Given the global oncology market’s projected CAGR of 7%, LESSINA-21 may realize substantial revenue growth post-approval, especially if positioned in underserved niches.

  • Strategic development: Accelerated regulatory pathways and partnering strategies are essential to mitigate time-to-market risks.

  • Revenue prospects: Early-phase revenue is modest but poised for significant growth within five years, contingent upon successful clinical and regulatory milestones.

  • Competitive edge: Differentiation through improved safety and efficacy will be pivotal in gaining physician and payer acceptance.

  • Investment focus: Prioritize companies with strong clinical results, robust IP protection, and strategic partnerships for long-term value creation.


FAQs

1. What distinguishes LESSINA-21 from existing oncological therapies?
LESSINA-21 features a novel targeted mechanism that offers higher specificity in disrupting oncogenic pathways, leading to potentially fewer side effects and improved patient outcomes compared to conventional chemotherapies.

2. When is LESSINA-21 expected to receive regulatory approval?
If ongoing Phase 3 trials demonstrate positive results, approval could be achievable within 12-18 months, subject to regulatory review durations and submission timelines.

3. Which markets represent the highest growth opportunities for LESSINA-21?
Initially, developed markets such as the US and Europe offer substantial revenue potential. Subsequently, emerging markets with rising cancer incidence and expanding healthcare infrastructure present significant growth opportunities.

4. How does the competitive landscape affect LESSINA-21’s market success?
The presence of established therapies necessitates that LESSINA-21 prove clear clinical advantages to carve a market share. Strategic positioning and combination therapies could enhance its competitiveness.

5. What are the primary risks associated with LESSINA-21's financial trajectory?
Risks include clinical trial failures, regulatory delays, competitive developments, and market acceptance challenges. Effective risk management involves rigorous trial design, strategic partnerships, and proactive stakeholder engagement.


Sources

[1] Global Oncology Drugs Market Forecast, 2022–2030. MarketsandMarkets.

More… ↓

⤷  Get Started Free

Make Better Decisions: Try a trial or see plans & pricing

Drugs may be covered by multiple patents or regulatory protections. All trademarks and applicant names are the property of their respective owners or licensors. Although great care is taken in the proper and correct provision of this service, thinkBiotech LLC does not accept any responsibility for possible consequences of errors or omissions in the provided data. The data presented herein is for information purposes only. There is no warranty that the data contained herein is error free. We do not provide individual investment advice. This service is not registered with any financial regulatory agency. The information we publish is educational only and based on our opinions plus our models. By using DrugPatentWatch you acknowledge that we do not provide personalized recommendations or advice. thinkBiotech performs no independent verification of facts as provided by public sources nor are attempts made to provide legal or investing advice. Any reliance on data provided herein is done solely at the discretion of the user. Users of this service are advised to seek professional advice and independent confirmation before considering acting on any of the provided information. thinkBiotech LLC reserves the right to amend, extend or withdraw any part or all of the offered service without notice.