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Last Updated: December 22, 2024

STILBESTROL Drug Patent Profile


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

Stilbestrol is a drug marketed by Bristol Myers Squibb and Tablicaps and is included in seven NDAs.

The generic ingredient in STILBESTROL 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 STILBESTROL
Drug patent expirations by year for STILBESTROL

US Patents and Regulatory Information for STILBESTROL

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 STILBESTROL diethylstilbestrol INJECTABLE;INJECTION 004056-003 Approved Prior to Jan 1, 1982 DISCN No No ⤷  Subscribe ⤷  Subscribe ⤷  Subscribe
Tablicaps STILBESTROL diethylstilbestrol TABLET, DELAYED RELEASE;ORAL 083003-001 Approved Prior to Jan 1, 1982 DISCN No No ⤷  Subscribe ⤷  Subscribe ⤷  Subscribe
Bristol Myers Squibb STILBESTROL diethylstilbestrol INJECTABLE;INJECTION 004056-006 Approved Prior to Jan 1, 1982 DISCN No No ⤷  Subscribe ⤷  Subscribe ⤷  Subscribe
Tablicaps STILBESTROL diethylstilbestrol TABLET;ORAL 083006-001 Approved Prior to Jan 1, 1982 DISCN No No ⤷  Subscribe ⤷  Subscribe ⤷  Subscribe
Tablicaps STILBESTROL diethylstilbestrol TABLET, DELAYED RELEASE;ORAL 083005-001 Approved Prior to Jan 1, 1982 DISCN No No ⤷  Subscribe ⤷  Subscribe ⤷  Subscribe
Bristol Myers Squibb STILBESTROL diethylstilbestrol INJECTABLE;INJECTION 004056-004 Approved Prior to Jan 1, 1982 DISCN No No ⤷  Subscribe ⤷  Subscribe ⤷  Subscribe
Bristol Myers Squibb STILBESTROL diethylstilbestrol INJECTABLE;INJECTION 004056-005 Approved Prior to Jan 1, 1982 DISCN No No ⤷  Subscribe ⤷  Subscribe ⤷  Subscribe
>Applicant >Tradename >Generic Name >Dosage >NDA >Approval Date >TE >Type >RLD >RS >Patent No. >Patent Expiration >Product >Substance >Delist Req. >Exclusivity Expiration

STILBESTROL Market Analysis and Financial Projection Experimental

Market Dynamics and Financial Trajectory of Diethylstilbestrol (Stilbestrol)

Introduction

Diethylstilbestrol (DES), also known as stilbestrol or stilboestrol, is a synthetic nonsteroidal estrogen that has had a complex and evolving history in the pharmaceutical market. From its widespread use in the mid-20th century to its current limited applications, DES has undergone significant changes driven by medical, regulatory, and market factors.

Historical Use and Initial Market Success

DES was introduced in the mid-20th century and quickly gained prominence for its use in various medical indications, including pregnancy support to prevent miscarriages, hormone therapy for menopausal symptoms, and treatment of prostate and breast cancers[1][4].

Health Concerns and Regulatory Changes

However, the use of DES was drastically curtailed following the discovery of severe health issues associated with its use. Studies revealed that DES exposure was linked to infertility, miscarriage, ectopic pregnancy, preeclampsia, preterm birth, stillbirth, infant death, early menopause, and an increased risk of certain cancers such as breast, cervical, and vaginal cancer[1][4].

Impact on Market Dynamics

The revelation of these adverse health outcomes led to a significant decline in the use of DES for human health applications. By 2007, its use was largely limited to the treatment of prostate and breast cancers. This shift marked a critical trend in pharmaceutical regulation, emphasizing the importance of rigorous testing and monitoring to ensure patient safety[1].

Current Market Applications

Despite its reduced use in human medicine, DES has found new applications in veterinary medicine, particularly for managing urinary incontinence in dogs. This diversification has helped maintain some level of market presence for the drug[4].

Financial Trajectory

Initial Investment and Revenue

The initial investment in DES was substantial due to its widespread use and perceived benefits. However, as health concerns arose, the financial trajectory of DES began to decline. The costs associated with litigation, regulatory compliance, and the need for extensive safety monitoring further eroded its financial viability.

Manufacturing and Production Costs

Setting up a DES manufacturing plant involves significant capital expenditure (CapEx) and operating expenditure (OpEx). The IMARC Group report details the various costs, including raw material requirements, utility costs, infrastructure, machinery, and manpower. The report also highlights the need for detailed financial analysis, including income projections, taxation, depreciation, and liquidity analysis[4].

Market Value and Profit Margins

The market value of DES has decreased significantly since its peak in the mid-20th century. The profit margins for manufacturers have been affected by the reduced demand and the stringent regulatory environment. The report from IMARC Group provides a detailed analysis of the project economics, including expected ROI and net present value (NPV), which helps in understanding the current financial viability of a DES manufacturing plant[4].

Regulatory Environment

The regulatory landscape for DES has become increasingly stringent. The legacy of DES serves as a cautionary tale for pharmaceutical development, emphasizing the need for long-term safety studies and rigorous testing. Regulatory bodies now require comprehensive safety data and ongoing monitoring, which adds to the operational costs and complexity of manufacturing DES[2][4].

Environmental and Societal Impact

The use of DES has also raised concerns about its environmental impact and its role as an endocrine disruptor. Research into its effects on wildlife and ecosystems has intensified, further influencing market dynamics and regulatory requirements. This increased scrutiny has led to a more cautious approach in the development and use of synthetic estrogens like DES[5].

Market Trends and Future Outlook

The market for DES is characterized by a shift towards more stringent regulatory oversight and a focus on safety. The drug's use in veterinary medicine provides a niche market, but overall demand is expected to remain low. The evolving scientific understanding and societal concerns about endocrine disruptors will continue to shape the market dynamics of DES.

Key Takeaways

  • Historical Use: DES was widely used in the mid-20th century for various medical indications.
  • Health Concerns: Associated with severe health issues, leading to reduced use.
  • Current Applications: Limited to prostate and breast cancer treatment and veterinary use.
  • Financial Trajectory: Significant decline due to health concerns and regulatory changes.
  • Regulatory Environment: Stringent regulations and ongoing safety monitoring.
  • Environmental Impact: Concerns about its role as an endocrine disruptor.

FAQs

What was the primary use of Diethylstilbestrol (DES) when it was first introduced?

DES was primarily used to prevent miscarriages and other pregnancy complications, as well as for hormone therapy and cancer treatment.

Why was the use of DES significantly reduced?

The use of DES was reduced due to the discovery of severe health issues associated with its use, including infertility, miscarriage, and increased risk of certain cancers.

What are the current applications of DES?

Currently, DES is used in the treatment of prostate and breast cancers and in veterinary medicine for managing urinary incontinence in dogs.

How has the regulatory environment impacted the market for DES?

The regulatory environment has become more stringent, requiring comprehensive safety data and ongoing monitoring, which has increased operational costs and complexity.

What are the environmental concerns associated with DES?

DES is considered an endocrine disruptor, and there are concerns about its effects on wildlife and ecosystems, leading to increased scrutiny and regulatory oversight.

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