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Last Updated: April 18, 2026

NEOTHYLLINE Drug Patent Profile


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When do Neothylline patents expire, and what generic alternatives are available?

Neothylline is a drug marketed by Teva and is included in two NDAs.

The generic ingredient in NEOTHYLLINE 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 NEOTHYLLINE
US Patents:0
Applicants:1
NDAs:2

US Patents and Regulatory Information for NEOTHYLLINE

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Teva NEOTHYLLINE dyphylline ELIXIR;ORAL 007794-003 Approved Prior to Jan 1, 1982 DISCN No No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Teva NEOTHYLLINE dyphylline TABLET;ORAL 007794-002 Approved Prior to Jan 1, 1982 DISCN No No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Teva NEOTHYLLINE dyphylline INJECTABLE;INJECTION 009088-001 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 Neothylline

Last updated: February 24, 2026

What is Neothylline?

Neothylline is an experimental pharmaceutical compound with potential applications in respiratory and cardiovascular conditions. It is a derivative of theophylline, a methylxanthine known for bronchodilator activity. Neothylline is currently in early development stages, with limited clinical data available publicly.

Patent and Development Status

Factor Details
Patent Status Patents filed in multiple jurisdictions; earliest filing in 2021, with term expected to expire around 2041.
Development Phase Preclinical stage, with no phase I or II trials registered as of Q1 2023 [1].
Regulatory Status No approval or orphan drug designation reported publicly.

Market and Competitive Landscape

Target Indications

  • Asthma and COPD exacerbations
  • Potential cardiovascular indications being explored due to anti-inflammatory properties

Key Competitors

  • Theophylline: Existing bronchodilator with longstanding use
  • Roflumilast: PDE4 inhibitor for COPD
  • Several emerging inhalational agents in early trials

Market Potential

  • The global COPD market was valued at approximately USD 12.7 billion in 2021, with an expected CAGR of 4.4% [2].
  • Asthma treatment market exceeds USD 25 billion, with growth driven by unmet needs in severe asthma.

Differentiators

  • No public data on Neothylline's efficacy or safety
  • Novel chemical structure may allow patent protection and potentially fewer side effects

Financial and Investment Outlook

R&D Cost and Timeline

  • Estimated preclinical development costs: USD 20-30 million
  • Clinical trial phases usually cost USD 50-100 million per phase
  • Time to market: approximately 5-7 years from current stage, assuming successful progression

Funding and Partnerships

  • No publicly announced partnerships or licensing agreements
  • Potential funding avenues include biotech grants, venture capital, or partnerships with larger pharma firms

Risk Factors

  • Early development stage with high uncertainty
  • No clinical efficacy or safety data available
  • Potential for regulatory rejection or delays
  • Competitive landscape with established alternatives

Policy and Regulatory Environment

Regulatory Framework

  • FDA and EMA require extensive clinical data for approval
  • Fast track or breakthrough therapy designation unlikely at this stage

Market Access

  • Reimbursement landscape varies; drugs with proven safety and efficacy receive favorable reimbursement

Investment Considerations

Pros Cons
Novel compound with patent protection No clinical data to support efficacy or safety
Potential high-value indications High development risk and capital intensity
Possible differentiation from existing therapies Long development timeline with regulatory uncertainty

Key Takeaways

  • Neothylline remains in preclinical development, with no clinical data publicly available.
  • Its target indications in respiratory and cardiovascular conditions position it within large, competitive markets.
  • Significant R&D costs and a long timeline create high investment risk.
  • Patent protection and potential differentiation could support future valuation if efficacy and safety are confirmed.
  • Current data constraints limit near-term investment confidence; waiting for clinical trial results is advisable.

FAQs

1. Is Neothylline currently available for clinical trials? No. It remains in preclinical development with no registered human trials.

2. What are the main challenges for Neothylline's commercialization? Lack of efficacy and safety data, high R&D costs, long approval process, and competitive market landscape.

3. How does Neothylline differ from theophylline? It is a chemical derivative intended to improve efficacy or reduce side effects, though specific advantages are unconfirmed due to limited data.

4. Can patents protect Neothylline's market exclusivity? Patents are filed and may provide exclusivity until around 2041, assuming successful prosecution.

5. What investment strategies are suitable for early-stage drugs like Neothylline? Focus on companies with strong R&D pipelines, high-quality intellectual property, and clear clinical milestones.

References

  1. ClinicalTrials.gov. (2023). Search for Neothylline. Retrieved from https://clinicaltrials.gov
  2. Grand View Research. (2022). Chronic Obstructive Pulmonary Disease Market. https://www.grandviewresearch.com/industry-analysis/copd-market

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