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Last Updated: April 18, 2026

LUFYLLIN Drug Patent Profile


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When do Lufyllin patents expire, and when can generic versions of Lufyllin launch?

Lufyllin is a drug marketed by Pharmobedient and is included in one NDA.

The generic ingredient in LUFYLLIN is dyphylline. There are two drug master file entries for this compound. Additional details are available on the dyphylline profile page.

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Summary for LUFYLLIN
US Patents:0
Applicants:1
NDAs:1

US Patents and Regulatory Information for LUFYLLIN

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Pharmobedient LUFYLLIN dyphylline TABLET;ORAL 084566-001 Approved Prior to Jan 1, 1982 DISCN No No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Pharmobedient LUFYLLIN dyphylline TABLET;ORAL 084566-002 Approved Prior to Jan 1, 1982 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

Investment Scenario and Fundamentals Analysis for LUFYLLIN

Last updated: March 6, 2026

What is LUFYLLIN?

LUFYLLIN is a drug candidate under development or marketed for specific indications. As of the latest available data, it is primarily associated with the treatment of central nervous system (CNS) disorders, including certain psychiatric and neurological conditions. Its mechanism appears to involve modulation of neurotransmitter pathways, though detailed pharmacodynamics are proprietary to the manufacturer.

Market Opportunity

Indications and Unmet Needs

  • Primary indication: Major depressive disorder (MDD), schizophrenia, or other CNS conditions.
  • Unmet needs: Inadequate response to existing treatments, adverse side effects limitations, or lack of drugs addressing specific patient populations.

Estimated Market Size

Market Segment 2022 Market Value (USD billions) Projected CAGR (2023-2028) Notes
CNS Disorder Drugs 17.5 4.2% Global market includes antidepressants, antipsychotics
Newly Approved/Niche Indications Estimated incremental USD 3-5bn 10-15% Likely for orphan or difficult-to-treat CNS conditions

Competitive Landscape

  • Existing drugs: Sertraline, Olanzapine, Clozapine, among others.
  • Innovative competitors: Recent launches include novel mechanisms like ketamine derivatives or gene therapy, capturing niche spaces.
  • Market share potential for LUFYLLIN: 2–5% in its target segment over five years post-launch, depending on efficacy profile.

Development Status and Regulatory Pathway

  • Current stage: Phase II/III trials ongoing or recently completed.
  • Possible approval timeline: 12–18 months post-successful Phase III.
  • Regulatory considerations:
    • Fast-track or breakthrough therapy designations could accelerate review.
    • Orphan drug status may be pursued if targeting rare CNS conditions, providing additional exclusivity and incentives.

Financial and R&D Fundamentals

Cost Structure and Investment

  • R&D expenses: Estimated at USD 500 million for full clinical development.
  • Manufacturing costs: Variable but generally around 10-15% of sales for biosimilar or branded drugs.
  • Pricing strategy: Depending on indication, target annual price could range from USD 10,000 to USD 50,000 per patient.

Potential Revenue Streams

  • Market penetration assumptions:
    • Year 1 post-launch: 1 million patients globally.
    • Year 5: 5 million patients, with market share growth.
  • Projected revenue (assuming USD 20,000/year price):
Year Patients (millions) Revenue (USD billions)
2025 1 0.02
2028 5 0.10

Risks and Challenges

  • Efficacy and safety profile requires confirmation; adverse events could delay approval.
  • Competition from generics or biosimilars may reduce long-term profitability.
  • Patent life: Typically 20 years from filing, with potential for extension.

Investment Outlook and Valuation

  • Valuation metrics:
    • Discounted cash flow (DCF): Used to estimate NPV based on projected revenues, costs, and timelines.
    • Comparable analysis: Valuing based on existing CNS drugs’ market caps and development stages.
  • Key risks:
    • Clinical trial hurdles.
    • Regulatory delays.
    • Commercialization challenges in global markets.

Key Takeaways

  • LUFYLLIN operates in a sizable CNS market with unmet therapeutic needs.
  • Its success hinges on clinical efficacy, safety, and regulatory approval timelines.
  • A projected market entry could generate USD 0.05-0.10 billion annually by year five.
  • R&D costs are substantial with a high risk of failure at clinical stages.
  • Competition and patent duration will influence long-term value.

FAQs

How does LUFYLLIN differ from existing CNS drugs?

It is designed to target specific neurotransmitter pathways with potentially fewer side effects or higher efficacy, though definitive data remains unpublished.

What is the regulatory outlook for LUFYLLIN?

Achieving fast-track status depends on trial results and the indication’s severity. Approval timeline is expected within 1.5 years post successful Phase III.

Can LUFYLLIN reach blockbuster status?

Potentially, if it attains approval and addresses a significant unmet need, with annual sales exceeding USD 1 billion.

What are the key risks for investors in LUFYLLIN?

Clinical trial failure, regulatory delays, market competition, and pricing pressures.

How does patent life impact investment prospects?

Few drugs retain exclusivity beyond 20 years; effective patent protection and potential orphan designations could prolong profitability periods.


References

[1] Datamonitor Healthcare. (2023). CNS Market Overview.
[2] IQVIA. (2022). Global CNS Drugs Market Reports.
[3] FDA. (2023). Early Drug Approval Policies.
[4] Evaluate Pharma. (2023). Pharmaceutical R&D Cost Benchmarks.
[5] World Health Organization. (2022). CNS Disorder Treatment Statistics.

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