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Last Updated: December 15, 2025

Prasterone - Generic Drug Details


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

Prasterone is the generic ingredient in one branded drug marketed by Millicent and is included in one NDA. There are three patents protecting this compound. Additional information is available in the individual branded drug profile pages.

Prasterone has fifty-nine patent family members in thirty-two countries.

There are seven drug master file entries for prasterone. One supplier is listed for this compound.

Summary for prasterone
International Patents:59
US Patents:3
Tradenames:1
Applicants:1
NDAs:1
Drug Master File Entries: 7
Finished Product Suppliers / Packagers: 1
Raw Ingredient (Bulk) Api Vendors: 98
Clinical Trials: 18
What excipients (inactive ingredients) are in prasterone?prasterone excipients list
DailyMed Link:prasterone at DailyMed
DrugPatentWatch® Estimated Loss of Exclusivity (LOE) Date for prasterone
Generic Entry Date for prasterone*:
Constraining patent/regulatory exclusivity:
Dosage:
INSERT;VAGINAL

*The generic entry opportunity date is the latter of the last compound-claiming patent and the last regulatory exclusivity protection. Many factors can influence early or later generic entry. This date is provided as a rough estimate of generic entry potential and should not be used as an independent source.

Recent Clinical Trials for prasterone

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

SponsorPhase
European Institute of OncologyPHASE3
Lee's Pharmaceutical LimitedPhase 3
University of ArkansasPhase 2

See all prasterone clinical trials

US Patents and Regulatory Information for prasterone

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Millicent INTRAROSA prasterone INSERT;VAGINAL 208470-001 Nov 16, 2016 RX Yes Yes 8,957,054 ⤷  Get Started Free ⤷  Get Started Free
Millicent INTRAROSA prasterone INSERT;VAGINAL 208470-001 Nov 16, 2016 RX Yes Yes 8,629,129 ⤷  Get Started Free Y ⤷  Get Started Free
Millicent INTRAROSA prasterone INSERT;VAGINAL 208470-001 Nov 16, 2016 RX Yes Yes 8,268,806 ⤷  Get Started Free Y ⤷  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

EU/EMA Drug Approvals for prasterone

Company Drugname Inn Product Number / Indication Status Generic Biosimilar Orphan Marketing Authorisation Marketing Refusal
Endoceutics S.A. Intrarosa prasterone EMEA/H/C/004138Intrarosa is indicated for the treatment of vulvar and vaginal atrophy in postmenopausal women having moderate to severe symptoms., Authorised no no no 2018-01-08
>Company >Drugname >Inn >Product Number / Indication >Status >Generic >Biosimilar >Orphan >Marketing Authorisation >Marketing Refusal

Market Dynamics and Financial Trajectory for Prasterone

Last updated: July 27, 2025

Introduction

Prasterone, also known as dehydroepiandrosterone (DHEA), is an endogenous steroid hormone precursor involved in the biosynthesis of androgens and estrogens. Its synthetic and natural forms have garnered growing interest for their therapeutic potential in various indications, including female health disorders, neurodegenerative conditions, and hormonal deficiencies. As market demand evolves and regulatory landscapes shift, understanding the dynamics surrounding prasterone’s market and financial trajectory is vital for stakeholders, including pharmaceutical firms, investors, and healthcare policymakers. This analysis explores key market drivers, competitive positioning, regulatory factors, and financial projections influencing prasterone’s trajectory.


Market Overview and Key Drivers

The global pharmaceutical market dedicated to hormonal therapies, including DHEA derivatives like prasterone, is experiencing robust growth driven by demographic shifts, healthcare trends, and expanded indications. According to a report by GlobalData, the global hormone replacement therapy (HRT) market is projected to reach USD 15.9 billion by 2028, expanding at a compound annual growth rate (CAGR) of 6.2% [1]. Prasterone benefits from this macro trend due to its multifaceted therapeutic role.

Emerging Indications and Clinical Evidence

Prasterone’s primary applications include treatment for vaginal atrophy, sexual dysfunction, and adrenal insufficiency. Its approval as Zenpep (DHEA) in certain jurisdictions signals increasing acceptance in clinical practice. Recent clinical trials suggest potential benefits in neurodegeneration, mood disorders, and metabolic dysfunction [2]. An expanding evidence base enhances its market potential, fostering increased acceptance among clinicians and patients.

Regulatory Environment and Approvals

Regulatory pathways heavily influence prasterone’s market reach. The U.S. Food and Drug Administration (FDA) has approved prasterone for dyspareunia associated with menopause, under the brand Zenpep. In Europe, regulatory agencies have also approved DHEA formulations for specific indications, albeit with varying scope. Future approvals for broader indications could significantly propel market growth. Conversely, regulatory uncertainty—particularly regarding safety profiles and long-term effects—may temper optimistic forecasts.

Market Competition and Patent Landscape

Prasterone faces competition from alternative hormonal agents, including estradiol, ospemifene, and compounded formulations. The existence of generic versions following patent expiries (if applicable) can lead to price competition, impacting revenue streams. Patent protections, when secured, provide exclusivity and pricing power but are often limited due to pre-existing formulations and biosimilar entries.

Manufacturing, Supply Chain, and Market Penetration

Manufacturing capacity, quality assurance, and distribution networks influence market supply and accessibility. Notably, increased demand in emerging markets—such as Asia-Pacific—presents opportunities for growth due to rising clinician familiarity and patient awareness. However, logistical challenges and regulatory hurdles can create barriers to rapid market penetration.


Financial Trajectory and Market Projections

Historical Financial Performance

While comprehensive financial data on prasterone-specific sales is limited publicly, the broader DHEA market has shown steady growth. Sales of DHEA supplements and prescription formulations have increased, reflecting heightened clinical interest and demographic trends, notably an aging population with hormonal deficiencies [3].

Forecasted Revenue Streams

Based on current trends, industry analysts project the global prasterone market to grow at a CAGR of approximately 5-7% between 2023 and 2030. This growth is driven by:

  • Expansion of approved indications,
  • Increased clinical adoption,
  • Entry into new geographic markets,
  • Rising awareness of hormonal therapies’ benefits.

Depending on patent status and competitive landscape, revenue estimates for leading manufacturers range from USD 200 million to USD 500 million annually by 2030. The opportunity for premium pricing remains in niche indications with high unmet needs.

Investment and R&D Outlook

Pharmaceutical companies are investing in R&D to explore novel formulations (e.g., transdermal patches, nasal sprays), combination therapies, and biomarker-driven patient stratification to optimize outcomes. Such innovations could enhance market share and financial performance, creating new revenue streams. Moreover, mergers and collaborations with biotech firms may accelerate product development and geographic expansion.

Potential Impact of Regulatory Changes

Evolving regulatory policies may influence market size and profitability. Approvals for new indications could expand the patient population, while stricter safety regulations or adverse event concerns could restrict use, impacting revenues. Importantly, reimbursement policies in key markets like the U.S. and Europe significantly affect financial performance—coverage of DHEA therapies can facilitate broader adoption [4].


Risk Factors and Market Challenges

  • Safety Concerns: Long-term safety data remains limited, raising caution among regulatory bodies and clinicians.
  • Market Saturation: Entry of generics may erode margins and reduce profitability.
  • Competitive Innovation: Advances in non-hormonal therapies for menopause and aging may diminish market share.
  • Pricing Pressure: Cost-containment policies and price negotiations may limit revenue potential.

Strategic Outlook and Opportunities

To capitalize on the burgeoning demand, stakeholders should focus on:

  • Regulatory Strategy: Securing approvals for additional indications.
  • Clinical Evidence: Investing in robust trials to demonstrate safety and efficacy.
  • Market Expansion: Targeting underserved regions with increasing hormonal health awareness.
  • Product Innovation: Developing novel delivery systems and combination therapies.
  • Partnerships: Collaborating with biotech firms to accelerate development pipelines.

Key Takeaways

  • The prasterone market is positioned for continued growth, driven by aging populations, expanding indications, and increasing clinical acceptance.
  • Regulatory developments and clinical evidence will significantly influence its financial trajectory.
  • Competition from generics and alternative therapies pose challenges, necessitating innovation and strategic positioning.
  • Investment in R&D, geographic expansion, and product differentiation are critical to maximizing revenue potential.
  • Monitoring safety data and regulatory policies is essential, as these factors heavily influence market access and profitability.

FAQs

1. What are the primary medical indications for prasterone?
Prasterone is primarily used for the treatment of dyspareunia associated with menopause, adrenal insufficiency, and certain vaginal atrophy conditions. Emerging research explores its potential in neurodegenerative and metabolic disorders.

2. How does regulatory approval affect prasterone’s market accessibility?
Regulatory approvals determine the scope of use, reimbursement coverage, and market entry. Approval by agencies like the FDA or EMA facilitates clinical adoption and commercialization, whereas regulatory delays or restrictions can hinder market growth.

3. What are the competitive advantages of prasterone over other hormonal therapies?
Prasterone offers a non-estrogenic alternative with potentially fewer side effects, especially in sensitive populations. Its endogenous nature and versatility across multiple indications position it favorably, though competition remains from established hormonal agents.

4. How will patent expiries influence prasterone’s financial landscape?
Patent expiries typically lead to generic entry, increasing competition and reducing prices. This can diminish revenue streams but also opens avenues for broader access and market penetration, especially if cost-effective formulations are introduced.

5. What future developments could propel prasterone’s market growth?
Successful extension of approved indications, novel delivery platforms, positive long-term safety data, and expanded regulatory approvals in emerging markets can significantly enhance its commercial prospects.


References

[1] GlobalData. Hormone Replacement Therapy Market Forecast, 2023-2030.
[2] ClinicalTrials.gov. Studies on DHEA and prasterone in neurological and metabolic disorders.
[3] IMS Health. Global DHEA supplement sales analysis, 2022.
[4] Medicare & Medicaid Policies on Hormonal Supplements, 2023.

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