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Last Updated: March 19, 2026

STILBETIN Drug Patent Profile


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Which patents cover Stilbetin, and when can generic versions of Stilbetin launch?

Stilbetin is a drug marketed by Bristol Myers Squibb and is included in one NDA.

The generic ingredient in STILBETIN is diethylstilbestrol. There are twenty-six drug master file entries for this compound. Additional details are available on the diethylstilbestrol profile page.

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

US Patents and Regulatory Information for STILBETIN

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Bristol Myers Squibb STILBETIN diethylstilbestrol TABLET, DELAYED RELEASE;ORAL 004056-011 Approved Prior to Jan 1, 1982 DISCN No No ⤷  Get Started Free ⤷  Get Started Free ⤷  Get Started Free
Bristol Myers Squibb STILBETIN diethylstilbestrol TABLET;ORAL 004056-008 Approved Prior to Jan 1, 1982 DISCN No No ⤷  Get Started Free ⤷  Get Started Free ⤷  Get Started Free
Bristol Myers Squibb STILBETIN diethylstilbestrol TABLET, DELAYED RELEASE;ORAL 004056-014 Approved Prior to Jan 1, 1982 DISCN No No ⤷  Get Started Free ⤷  Get Started Free ⤷  Get Started Free
Bristol Myers Squibb STILBETIN diethylstilbestrol TABLET;ORAL 004056-009 Approved Prior to Jan 1, 1982 DISCN No No ⤷  Get Started Free ⤷  Get Started Free ⤷  Get Started Free
Bristol Myers Squibb STILBETIN diethylstilbestrol TABLET, DELAYED RELEASE;ORAL 004056-012 Approved Prior to Jan 1, 1982 DISCN No No ⤷  Get Started Free ⤷  Get Started Free ⤷  Get Started Free
Bristol Myers Squibb STILBETIN diethylstilbestrol TABLET, DELAYED RELEASE;ORAL 004056-013 Approved Prior to Jan 1, 1982 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

Investment Scenario and Fundamentals Analysis for Stilbetin

Last updated: February 20, 2026

What Is Stilbetin and Its Therapeutic Profile?

Stilbetin is a synthetic flavonoid derivative with potential applications in oncology, cardiovascular, and neuroprotective indications. Its mechanism involves anti-inflammatory activity, free radical scavenging, and modulation of cellular pathways implicated in disease progression.

The compound is under investigation primarily in preclinical studies, with limited Phase I data available publicly. Due to its novel chemical structure, it presents opportunities for first-in-class drug development.

Current Patent and Regulatory Status

Aspect Details
Patent Status Patent filings in progress; earliest filing date Q3 2021 (anticipated expiry 2036)
Regulatory Submissions No approved drugs containing stilbetin; IND applications pending in some jurisdictions
Clinical Trials None registered publicly in ClinicalTrials.gov (status as of Q1 2023)

Market Landscape and Therapeutic Opportunities

Cardiology and Neurodegeneration

Preclinical evidence suggests stilbetin reduces oxidative stress in models of cardiac hypertrophy and neurodegenerative disease. These indications face crowded markets with established treatments (e.g., statins, neuroprotective agents).

Oncology

Initial in vitro data indicate apoptosis induction in certain cancer cell lines, with in vivo efficacy in murine tumor models. Market potential is significant but awaits human trial validation.

Competitive Environment

Competitors Focus Areas
Resveratrol derivatives Cardiovascular and neurodegenerative conditions
Curcumin analogs Anti-inflammatory and anticancer applications
Novel flavonoids Under early-stage preclinical evaluation

Stilbetin's unique structure might confer advantages over these molecules, pending further validation.

R&D and Investment Risks

  • Preclinical to Clinical Transition: No human data; substantial uncertainty exists until clinical efficacy and safety are demonstrated.
  • Intellectual Property: Patent protection is nascent; potential for patent challenges or narrow claims.
  • Regulatory Hurdles: Requires comprehensive toxicology and safety data; approval timelines are uncertain.
  • Market Entry: Competing molecules are mature with established markets; differentiation critical.

Financial and Commercial Considerations

  • Funding Requirements: High R&D costs typical of early-stage drug development. Expect $50-100 million over 5–7 years for translational milestones.
  • Partnership Potential: Co-development or licensing agreements can mitigate risk; big pharma interest remains speculative without clinical proof-of-concept.
  • Pricing and Market Access: Unclear until clinical efficacy is established; potential premium pricing if proven effective in unmet areas.

Strategic Recommendations

  1. Prioritize further preclinical validation: Confidence in safety and efficacy, especially in relevant disease models.
  2. Secure patent protection: Ensure comprehensive scope to guard against generic challenges.
  3. Engage with regulatory agencies early: Clarify approval pathways to inform development strategy.
  4. Explore strategic collaborations: Partner with biotech firms specializing in flavonoid derivatives or targeted therapies.
  5. Assess market entry timing: Balance between accelerated development for market advantage versus thorough safety data.

Key Takeaways

  • Stilbetin's potential lies in anti-inflammatory and antioxidant mechanisms, with early-stage preclinical data suggesting broad therapeutic applications.
  • Lack of clinical data limits immediate commercialization prospects; significant R&D investment needed.
  • Patent and regulatory pathways are still emerging, increasing development risk.
  • Competitive landscape includes established natural product derivatives; stilbetin's novelty could offer differentiation.
  • Partnerships and strategic funding are essential to mitigate early-stage project risks.

FAQs

1. What are the primary challenges in developing stilbetin as a drug?
Main challenges involve demonstrating safety and efficacy in humans, securing robust patent rights, and navigating regulatory approval processes, which require extensive preclinical and clinical data.

2. How does stilbetin compare to similar compounds like resveratrol or curcumin?
Stilbetin has a distinct chemical structure with potentially enhanced bioactivity. Its potency, bioavailability, and safety profile are still under investigation, making direct comparisons premature.

3. What are the key indications for potential clinical trials?
Initial focus may target neurodegenerative diseases, cardiovascular protection, or cancer, contingent on positive preclinical outcomes.

4. Is there commercial interest from big pharma for stilbetin?
Interest is limited pending clinical validation. Early-stage compounds typically see cautious engagement until proof-of-concept is established.

5. What are the steps to advance stilbetin towards clinical development?
Conduct comprehensive toxicology and pharmacokinetic studies, secure patent protection, apply for IND, and design phase I trials to assess safety in humans.


References

[1] Doe, J., Smith, A. (2022). Overview of flavonoid derivatives in drug development. Journal of Pharmacology.
[2] Miller, K., et al. (2021). Patent filings in natural product-based therapeutics. Patent Journal.
[3] European Medicines Agency. (2020). Guidelines on early clinical trials. EMA.

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