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Last Updated: December 22, 2024

DIETHYLSTILBESTROL - Generic Drug Details


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What are the generic drug sources for diethylstilbestrol and what is the scope of freedom to operate?

Diethylstilbestrol is the generic ingredient in four branded drugs marketed by Bristol Myers Squibb, Lilly, Tablicaps, and Bayer Pharms, and is included in eleven NDAs. Additional information is available in the individual branded drug profile pages.

There are twenty-six drug master file entries for diethylstilbestrol.

Summary for DIETHYLSTILBESTROL
Recent Clinical Trials for DIETHYLSTILBESTROL

Identify potential brand extensions & 505(b)(2) entrants

SponsorPhase
Elysium Health, Inc.N/A
University of South AlabamaN/A
Janssen Research & Development, LLCPhase 2

See all DIETHYLSTILBESTROL clinical trials

Medical Subject Heading (MeSH) Categories for DIETHYLSTILBESTROL

US Patents and Regulatory Information for DIETHYLSTILBESTROL

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Tablicaps STILBESTROL diethylstilbestrol TABLET, DELAYED RELEASE;ORAL 083005-001 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
Lilly DIETHYLSTILBESTROL diethylstilbestrol TABLET;ORAL 004041-002 Approved Prior to Jan 1, 1982 DISCN No No ⤷  Subscribe ⤷  Subscribe ⤷  Subscribe
Lilly DIETHYLSTILBESTROL diethylstilbestrol TABLET, DELAYED RELEASE;ORAL 004039-006 Approved Prior to Jan 1, 1982 DISCN No No ⤷  Subscribe ⤷  Subscribe ⤷  Subscribe
Tablicaps STILBESTROL diethylstilbestrol TABLET;ORAL 083002-001 Approved Prior to Jan 1, 1982 DISCN No No ⤷  Subscribe ⤷  Subscribe ⤷  Subscribe
Bristol Myers Squibb STILBETIN diethylstilbestrol TABLET, DELAYED RELEASE;ORAL 004056-012 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

DIETHYLSTILBESTROL Market Analysis and Financial Projection Experimental

Market Dynamics and Financial Trajectory of Diethylstilbestrol (DES)

Introduction

Diethylstilbestrol (DES), a synthetic nonsteroidal estrogen, has had a complex and evolving history in the pharmaceutical market. Initially introduced in the mid-20th century, DES was widely used for various medical indications, but its market dynamics and financial trajectory have been significantly impacted by its associated health risks and subsequent regulatory actions.

Historical Use and Initial Market Success

DES was first introduced in the U.S. commercial market around 1940 and was primarily prescribed to prevent preterm labor, miscarriage, and other pregnancy complications. It was also used to treat conditions such as vaginitis and menopausal symptoms. During its peak, DES was given to millions of pregnant women, with estimates suggesting that between 5 to 10 million people in the U.S. were exposed to the drug between 1938 and 1971[2].

Health Risks and Regulatory Actions

The use of DES in pregnant women began to decline in the mid-1960s as clinical studies revealed a significant association between DES exposure and severe health issues in the offspring, including increased risks of certain cancers, reproductive abnormalities, and other adverse effects. The FDA issued a warning in 1971, contraindicating the use of DES in pregnant women due to these health risks[2][5].

Impact on Market Dynamics

The revelation of DES's harmful effects led to a drastic shift in its market dynamics. The drug's use in obstetrics was discontinued, and its prescription for other indications also declined. However, DES continued to be used in limited medical contexts, such as the treatment of prostate cancer and, on rare occasions, breast cancer[4].

Veterinary Applications

One of the modern market drivers for DES is its application in veterinary medicine, particularly for managing urinary incontinence in dogs. This diversified use has helped maintain some level of demand for the drug beyond human health applications[1].

Environmental and Regulatory Concerns

Increasing awareness of endocrine disruptors and environmental impact has fueled research into DES's potential effects on wildlife and ecosystems. This has led to intensified regulatory scrutiny and further studies, influencing the drug's market trajectory[1].

Financial Trajectory

Initial Investment and Revenue

The initial investment in DES manufacturing was substantial, given its widespread use and perceived benefits. However, the financial returns began to decline as health concerns emerged and regulatory actions were taken. The cost of manufacturing, including raw materials, machinery, and infrastructure, remained significant, but the revenue generated from DES sales plummeted as its use was restricted[1].

Cost and Revenue Projections

For those considering setting up a DES manufacturing plant, detailed financial analyses are crucial. These include capital investments, project funding, operating expenses, income and expenditure projections, and expected ROI and NPV. The financial viability of such a project is heavily dependent on the current regulatory environment and the limited market demand for DES[1].

Market Size and Profit Margins

The global DES market has shrunk significantly since its peak. The industry profit margins have been affected by the reduced demand and the high costs associated with regulatory compliance and safety monitoring. The price analysis of feedstocks and the overall industry profit margins indicate a challenging financial landscape for DES manufacturers[1].

Competitive Landscape

Generic Competition

In the context of generic drugs, the entry of multiple competitors can significantly impact prices and profitability. For DES, any generic versions would face stringent regulatory scrutiny, which could affect the timing and cost of market entry. Studies have shown that generic drug prices decline with the number of competitors, but prices remain above long-run marginal costs until there are eight or more competitors[3].

Location and Infrastructure

The setup of a DES manufacturing plant requires careful consideration of location, infrastructure, and environmental impact. The selection criteria for a plant location include factors such as land availability, environmental regulations, and expenditure on infrastructure. These factors can significantly influence the operational costs and efficiency of the manufacturing process[1].

Unit Operations and Raw Materials

The manufacturing process of DES involves several unit operations, including synthesis, purification, and packaging. The raw material requirements and utility needs are critical components of the production process. Ensuring quality assurance and adhering to technical tests are essential for maintaining product safety and regulatory compliance[1].

Manpower and Packaging

The manpower requirements for a DES manufacturing plant include skilled labor for various stages of production, quality control, and regulatory compliance. Packaging requirements are also stringent, given the need to ensure the safe handling and distribution of the drug[1].

Transportation and Distribution

The transportation and distribution of DES must comply with regulatory standards to ensure safety and efficacy. This includes proper storage, handling, and shipping procedures to maintain the integrity of the product[1].

Key Takeaways

  • Historical Use and Decline: DES was widely used in the mid-20th century but saw a significant decline due to associated health risks.
  • Regulatory Actions: FDA warnings and contraindications have limited DES use to specific medical and veterinary applications.
  • Financial Impact: The financial trajectory of DES has been negatively impacted by reduced demand and increased regulatory costs.
  • Market Dynamics: The market is characterized by limited demand, stringent regulations, and the potential for generic competition.
  • Manufacturing Considerations: Setting up a DES manufacturing plant requires careful planning of location, infrastructure, raw materials, and regulatory compliance.

FAQs

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

DES was primarily prescribed to prevent preterm labor, miscarriage, and other pregnancy complications.

Why was the use of DES in pregnant women discontinued?

The use of DES in pregnant women was discontinued due to its association with severe health issues in the offspring, including increased risks of certain cancers and reproductive abnormalities.

What are the current medical uses of DES?

DES is currently used in limited contexts, such as the treatment of prostate cancer and, on rare occasions, breast cancer. It is also used in veterinary medicine to manage urinary incontinence in dogs.

How has the financial trajectory of DES been affected by regulatory actions?

The financial trajectory of DES has been negatively impacted by reduced demand and increased regulatory costs following the FDA's warnings and contraindications.

What are the key considerations for setting up a DES manufacturing plant?

Key considerations include location analysis, infrastructure requirements, raw material and utility needs, manpower requirements, packaging and transportation needs, and stringent regulatory compliance.

Sources

  1. IMARC Group, "Diethylstilbestrol Manufacturing Plant Project Report 2024: Industry Trends, Plant Setup, Machinery, Raw Materials, Investment Opportunities, Cost and Revenue."
  2. AARP, "DES Daughters: A Medication My Mother Took Before I Was Born."
  3. Federal Trade Commission, "Generic Drug Industry Dynamics."
  4. Wikipedia, "Diethylstilbestrol."
  5. CDC, "September 2024 Topic packet - Exposure to Diethylstilbestrol (DES)."

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