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Last Updated: April 2, 2026

Drospirenone; estradiol - Generic Drug Details


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

Drospirenone; estradiol is the generic ingredient in two branded drugs marketed by Bayer Hlthcare and Novast Labs, and is included in two NDAs. There is one patent protecting this compound and two Paragraph IV challenges. Additional information is available in the individual branded drug profile pages.

Drospirenone; estradiol has twenty-one patent family members in sixteen countries.

One supplier is listed for this compound. There is one tentative approval for this compound.

Summary for drospirenone; estradiol
International Patents:21
US Patents:1
Tradenames:2
Applicants:2
NDAs:2
Finished Product Suppliers / Packagers: 1
Clinical Trials: 62
DailyMed Link:drospirenone; estradiol at DailyMed
Recent Clinical Trials for drospirenone; estradiol

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

SponsorPhase
Novartis PharmaceuticalsPHASE1
Institut de Recherches Internationales Servier (I.R.I.S.)PHASE1
Vertex Pharmaceuticals IncorporatedPHASE1

See all drospirenone; estradiol clinical trials

Generic filers with tentative approvals for DROSPIRENONE; ESTRADIOL
Applicant Application No. Strength Dosage Form
⤷  Start Trial⤷  Start Trial0.5MG;1MGTABLET;ORAL

The 'tentative' approval signifies that the product meets all FDA standards for marketing, and, but for the patents / regulatory protections, it would approved.

Pharmacology for drospirenone; estradiol
Drug ClassEstrogen
Progestin
Mechanism of ActionEstrogen Receptor Agonists
Paragraph IV (Patent) Challenges for DROSPIRENONE; ESTRADIOL
Tradename Dosage Ingredient Strength NDA ANDAs Submitted Submissiondate
ANGELIQ Tablets drospirenone; estradiol 0.25 mg/0.5 mg 021355 1 2015-01-08
ANGELIQ Tablets drospirenone; estradiol 0.5 mg/1 mg 021355 1 2007-12-26

US Patents and Regulatory Information for drospirenone; estradiol

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Novast Labs DROSPIRENONE AND ESTRADIOL drospirenone; estradiol TABLET;ORAL 218031-001 Oct 28, 2025 AB RX No No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Bayer Hlthcare ANGELIQ drospirenone; estradiol TABLET;ORAL 021355-002 Sep 28, 2005 AB RX Yes Yes ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Bayer Hlthcare ANGELIQ drospirenone; estradiol TABLET;ORAL 021355-001 Feb 29, 2012 RX Yes No ⤷  Start Trial ⤷  Start Trial Y ⤷  Start Trial
>Applicant >Tradename >Generic Name >Dosage >NDA >Approval Date >TE >Type >RLD >RS >Patent No. >Patent Expiration >Product >Substance >Delist Req. >Exclusivity Expiration

International Patents for drospirenone; estradiol

Country Patent Number Title Estimated Expiration
Taiwan 201204368 Very low-dosed solid oral dosage forms for HRT ⤷  Start Trial
Costa Rica 20120523 FORMAS DE DOSIFICACIÓN SOLIDAS ORALES CON DOSIS MUY BAJAS PARA LA HRT ⤷  Start Trial
Mexico 356702 FORMAS DE DOSIFICACIÓN SÓLIDAS ORALES CON DOSIS MUY BAJAS PARA LA HRT. (VERY LOW-DOSED SOLID ORAL DOSAGE FORMS FOR HRT.) ⤷  Start Trial
>Country >Patent Number >Title >Estimated Expiration

Supplementary Protection Certificates for drospirenone; estradiol

Patent Number Supplementary Protection Certificate SPC Country SPC Expiration SPC Description
3632448 202240023 Slovenia ⤷  Start Trial PRODUCT NAME: DROSPIRENONE; NATIONAL AUTHORISATION NUMBER: H/21/02860/001-004; DATE OF NATIONAL AUTHORISATION: 20211217; AUTHORITY FOR NATIONAL AUTHORISATION: SI; FIRST AUTHORISATION IN THE EUROPEAN ECONOMIC AREA: 61678; DATE OF FIRST AUTHORISATION IN THE EUROPEAN ECONOMIC AREA: 20191016; AUTHORITY OF FIRST AUTHORISATION IN THE EUROPEAN ECONOMIC AREA: DK
2588114 LUC00227 Luxembourg ⤷  Start Trial PRODUCT NAME: DROSPIRENONE; AUTHORISATION NUMBER AND DATE: 31332 20191022
0398460 04C0022 France ⤷  Start Trial PRODUCT NAME: ESTRADIOL ANHYDRE DROSPIRENONE; REGISTRATION NO/DATE IN FRANCE: NL 28661 DU 20040316; REGISTRATION NO/DATE AT EEC: RVG 27505 DU 20021211
>Patent Number >Supplementary Protection Certificate >SPC Country >SPC Expiration >SPC Description

Market Dynamics and Financial Trajectory for Drospirenone; Estradiol

Last updated: February 19, 2026

What are the key market drivers for Drospirenone; Estradiol?

Drospirenone combined with estradiol is primarily used in hormone replacement therapy (HRT) and oral contraceptives. The market is influenced by several factors:

  • Aging Population: Increasing numbers of postmenopausal women drive demand for HRT products.
  • Contraceptive Market Growth: Rising global contraceptive use, especially in emerging markets, sustains demand.
  • Regulatory Approvals: U.S. FDA and EMA approvals enhance market accessibility for innovative formulations.
  • Patent Expirations: Patent cliffs for key brands create opportunities for generic versions, impacting pricing and market share.

How does the competitive landscape shape the market?

The market is fragmented with key players including Bayer, Mithra, and Teva.

Company Product(s) Market Position
Bayer Yaz, Yasmin Leading contraceptive brand with estrogen-progestin combo
Mithra Slynd (progestin-only) Growing in contraception, distinct from estrogen combos
Teva Generic formulations Significant share in generics bringing price competition

Generic versions challenge branded drugs, reducing prices and shifting market share dynamics.

What are the regulatory and policy impacts?

Regulations regarding hormone therapies vary globally:

  • U.S.: The FDA restricts certain formulations, impacting market entry and approval timing.
  • Europe: EMA approval processes influence the introduction of new formulations.
  • Emerging Markets: Less stringent regulation may accelerate market penetration but increase quality concerns.

Policy shifts towards non-hormonal therapies could dampen demand.

How do patent expirations influence financial prospects?

Major patents for products like Yasmin (drospirenone/ethinylestradiol) expired around 2012, leading to a wave of generics. Recent patent cliffs involve newer formulations, potentially setting the stage for generic competition from 2025 onwards.

Financial outcomes post-patent expiry:

  • Revenue declines for branded products can be offset by volume growth.
  • Generics prices tend to be lower but benefit from higher volume, stabilizing overall revenues.

What are projected revenue and volume trends?

Global demand for hormone therapy was valued at approximately $4.5 billion in 2021 and is projected to grow at a CAGR of 5% through 2028, driven by:

  • Aging demographics
  • Increasing contraceptive use
  • New formulations with improved safety profiles

Revenue Estimates (2021-2028)

Year Estimated Market Size (USD Billion) CAGR
2021 4.5
2024 6.0 6.8%
2028 8.0 5.5%

Volume Outlook

Demand in the contraceptive segment is expected to see steady growth, with adoption rates rising in Asia-Pacific and Latin America.

What financial strategies are companies adopting?

  • Diversification into biosimilars and non-hormonal therapies to reduce dependency.
  • Increased R&D focus on safer, longer-acting formulations.
  • Partnering with biotech firms for pipeline expansion.
  • Active patent litigation to defend market share.

Key market risks

  • Regulatory hurdles delaying drug approvals.
  • Competitive pressure from generics and biosimilars.
  • Changes in healthcare policies affecting reimbursement.
  • Safety concerns over hormone-related adverse effects influencing prescribing patterns.

Summary of market opportunity

The market for Drospirenone; Estradiol remains promising, with growth driven by demographic shifts and expanding contraceptive markets. Strategic differentiation through innovative formulations and patent management will be crucial.

Key Takeaways

  • Market growth is driven primarily by aging populations and contraceptive demand, with an expected CAGR of approximately 5% through 2028.
  • Patent expirations are causing shifts toward generics, impacting revenue streams of flagship products.
  • Regulatory environments and policy decisions significantly influence market accessibility and innovation pathways.
  • Companies that diversify beyond hormone therapies and focus on safety improvements are better positioned for long-term growth.
  • Price competition from generics necessitates strategic patent management and potential value-added product differentiation.

FAQs

1. When will patent expirations for key Drospirenone; Estradiol products likely occur?
Most patents for early formulations expired around 2012, with newer formulations facing patent cliffs starting from around 2025.

2. How does the global market vary by region?
North America leads with mature regulatory pathways, Europe follows, and Asia-Pacific shows rapid growth due to increasing contraceptive use and aging populations.

3. What are the primary therapeutic uses of Drospirenone; Estradiol?
They are used mainly in combined oral contraceptives and hormone replacement therapy to manage menopausal symptoms.

4. What innovations are companies investing in?
Long-acting formulations, bioidentical hormones, and non-hormonal alternatives are key R&D focuses.

5. How do safety concerns affect the market?
Risks of thromboembolic events and cancer have prompted regulatory review and reformulation efforts, influencing prescribing patterns.

References

  1. Food and Drug Administration (FDA). (2022). [Regulation of Hormone Therapy Products].
  2. European Medicines Agency (EMA). (2022). [Guidance on Hormonal Treatment Approvals].
  3. GlobalData. (2022). [Hormone Therapy Market Report].
  4. Statista. (2022). [Hormone Therapy Revenue Data].
  5. World Health Organization (WHO). (2021). [Contraceptive Use Statistics].

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