Last Updated: May 2, 2026

drospirenone; estradiol - Profile


✉ Email this page to a colleague

« Back to Dashboard


What are the generic drug sources for drospirenone; estradiol and what is the scope of patent protection?

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.

There is one tentative approval for this compound.

Summary for drospirenone; estradiol
International Patents:21
US Patents:1
Tradenames:2
Applicants:2
NDAs:2
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.

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
Bayer Hlthcare ANGELIQ drospirenone; estradiol TABLET;ORAL 021355-001 Feb 29, 2012 RX Yes No ⤷  Start Trial ⤷  Start Trial Y ⤷  Start Trial
Bayer Hlthcare ANGELIQ drospirenone; estradiol TABLET;ORAL 021355-002 Sep 28, 2005 AB RX Yes Yes ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Novast Labs DROSPIRENONE AND ESTRADIOL drospirenone; estradiol TABLET;ORAL 218031-001 Oct 28, 2025 AB RX No No ⤷  Start Trial ⤷  Start Trial ⤷  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
Eurasian Patent Organization 026095 ОЧЕНЬ НИЗКОДОЗИРОВАННЫЕ ТВЕРДЫЕ ПЕРОРАЛЬНЫЕ ЛЕКАРСТВЕННЫЕ ФОРМЫ ДЛЯ ГОРМОНОЗАМЕСТИТЕЛЬНОЙ ТЕРАПИИ (ГЗТ) (VERY LOW-DOSED SOLID ORAL DOSAGE FORMS FOR HORMONE REPLACEMENT THERAPY (HRT)) ⤷  Start Trial
Taiwan 201204368 Very low-dosed solid oral dosage forms for HRT ⤷  Start Trial
South Korea 20180018827 초저-용량의 HRT용 고체 경구 투여 형태 (- VERY LOW-DOSED SOLID ORAL DOSAGE FORMS FOR HRT) ⤷  Start Trial
Guatemala 201200281 FORMAS DE DOSIFICACIÓN SÓLIDAS ORALES CON DOSIS MUY BAJAS PARA LA 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
0398460 SPC/GB04/032 United Kingdom ⤷  Start Trial PRODUCT NAME: ESTRADIOL, OPTIONALLY IN THE FORM OF A HYDRATE, TOGETHER WITH DROSPIRENONE; REGISTERED: NL RVG 27505 20021211; UK PL 00053/0341 20040310
2588114 LUC00227 Luxembourg ⤷  Start Trial PRODUCT NAME: DROSPIRENONE; AUTHORISATION NUMBER AND DATE: 31332 20191022
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
3632448 LUC00266 Luxembourg ⤷  Start Trial PRODUCT NAME: DROSPIRENONE; AUTHORISATION NUMBER AND DATE: 61678, 20210401
>Patent Number >Supplementary Protection Certificate >SPC Country >SPC Expiration >SPC Description

Investment Scenario and Fundamentals Analysis of Drospirenone and Estradiol

Last updated: February 20, 2026

What is the current market landscape for drospirenone and estradiol combination drugs?

The combination of drospirenone and estradiol is primarily used in hormone replacement therapy (HRT) and oral contraceptives. Market size was valued at approximately USD 4.4 billion in 2022, with a compound annual growth rate (CAGR) of 4.2% projected through 2030, driven by increasing awareness of hormonal health and aging populations. Major products include Bayer’s Yaz and Yasmin, which hold dominant market shares, with emerging generics expanding access.

What are the key regulatory and patent considerations?

The combination drug holds patents that mostly expire between 2025 and 2030. Patent expirations open opportunities for generic manufacturers, which could impact pricing pressure. Regulatory approval pathways in the U.S. (FDA) and Europe (EMA) are streamlined for biosimilar and generic versions, provided bioequivalence data meet standards.

Patent Status and Expiration:

Patent Holder Original Product Expiration Year Notes
Bayer Yasmin, Yaz 2025-2028 Key block patents expiring
Others Variants 2025-2030 Pending generic entries

Who are the primary competitors and pipeline players?

The major players include Bayer, Teva, Mylan (now part of Viatris), and Sandoz. Several biosimilar and generic entrants are in late-stage development, promising price competition. Additionally, biotech companies are exploring novel delivery systems and formulations to extend patent exclusivity.

What are current clinical and pipeline development trends?

Research focuses on oral hormone delivery convenience, improved safety profiles (especially thromboembolic risk), and targeted formulations. There are over 15 pipeline projects globally:

  • Biosimilar versions submitted for approval in 2022.
  • Fixed-dose combinations with newer progestins.
  • Transdermal patches and gels under development.

What investment risks exist?

Patent cliff exposure, regulatory delays, and market saturation pose risks. Safety concerns, notably thromboembolism, have led to label changes, affecting market perception. Shifts toward bioidentical hormone therapies and rising generic competition erode pricing power.

What is the outlook for profitability?

Companies with early-stage pipeline assets or expanding into niche markets (e.g., low-dose formulations, hormone therapy for transgender health) may realize higher margins. Established brands are more susceptible to margin erosion due to imminent patent expiries.

Financial Indicators (Estimates for 2023-2025)
Revenue for leading products USD 1.5-2.0 billion annually
R&D Investment Approx. 8-12% of revenue, focusing on safety and delivery innovations
Gross Margin 65-75%, with potential decline upon generic entry

Key opportunities for investors

  • Licensing agreements and partnerships in emerging markets.
  • Early-stage investment in formulations aimed at improving safety profiles.
  • Acquisition of late-stage biosimilar or generic candidates with regulatory approvals near completion.

Key challenges

  • Patent expirations and generic entry pressure.
  • Regulatory scrutiny over safety concerns.
  • Competition from non-hormonal therapies and personalized medicine approaches.

Final assessment

The drospirenone and estradiol market remains attractive for companies with robust pipelines, particularly those innovating around safety and administration. Established players benefit from brand loyalty but face margin compression. New entrants leveraging biosimilar approvals and cost-effective manufacturing could alter market dynamics.


Key Takeaways

  • The market size is USD 4.4 billion with a 4.2% CAGR forecast through 2030.
  • Patent expiration from 2025 to 2030 opens significant generic competition.
  • Major companies dominate, with biosimilar and generic pipelines expanding.
  • Safety concerns and regulatory changes influence market stability.
  • Opportunities exist in formulations, biosimilars, and emerging markets.

FAQs

1. How do patent expirations impact investment in drospirenone and estradiol products?
Patent expirations lead to increased generic competition, reducing prices and margins for brand-name products. Investing before expiries allows potential gains from generic entry, but risks include price erosion and market share loss.

2. What safety issues could affect market growth?
Thromboembolic risks associated with drospirenone and estrogen raise safety concerns. Regulatory warnings and label updates can decrease consumer confidence, impacting sales.

3. Are biosimilars a significant threat or opportunity?
Biosimilars present both threat—through price competition—and opportunity—via accelerated market entry and expanding access. Companies investing in biosimilar development could capture market share early.

4. What demographic trends support market expansion?
Aging populations and increased awareness of hormonal health support sustained demand. Women over 50 increasingly use HRT, and younger women seek oral contraceptives, fueling growth.

5. How does pipeline development influence future profitability?
Innovations in delivery systems and safety profiles could extend patent life and create premium offerings, improving future margins.


References

[1] Grand View Research. Hormone Replacement Therapy Market Size, Share & Trends Analysis Report, 2022.
[2] U.S. Food & Drug Administration. List of Approved Oral Contraceptives, 2022.
[3] European Medicines Agency. Summary of Product Characteristics for Yasmin, 2022.
[4] MarketWatch. Hormonal contraceptives and HRT drugs pipeline analysis, 2023.
[5] Deloitte. Pharmaceutical Patent Expiry and Generic Competition Outlook, 2022.

More… ↓

⤷  Start Trial

Make Better Decisions: Try a trial or see plans & pricing

Drugs may be covered by multiple patents or regulatory protections. All trademarks and applicant names are the property of their respective owners or licensors. Although great care is taken in the proper and correct provision of this service, thinkBiotech LLC does not accept any responsibility for possible consequences of errors or omissions in the provided data. The data presented herein is for information purposes only. There is no warranty that the data contained herein is error free. We do not provide individual investment advice. This service is not registered with any financial regulatory agency. The information we publish is educational only and based on our opinions plus our models. By using DrugPatentWatch you acknowledge that we do not provide personalized recommendations or advice. thinkBiotech performs no independent verification of facts as provided by public sources nor are attempts made to provide legal or investing advice. Any reliance on data provided herein is done solely at the discretion of the user. Users of this service are advised to seek professional advice and independent confirmation before considering acting on any of the provided information. thinkBiotech LLC reserves the right to amend, extend or withdraw any part or all of the offered service without notice.