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Last Updated: December 15, 2025

CLINICAL TRIALS PROFILE FOR DROSPIRENONE; ESTRADIOL


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All Clinical Trials for drospirenone; estradiol

Trial ID Title Status Sponsor Phase Start Date Summary
NCT00102141 ↗ Effect of Angeliq on Blood Pressure (BP) in Postmenopausal Hypertensive Women Completed Bayer Phase 3 2004-04-01 The objective of the study is to evaluate the effects of Angeliq on BP over a period of 8 weeks in postmenopausal women who may benefit from hormone replacement therapy (HRT) for the relief of vasomotor symptoms and who have hypertension.
NCT00356447 ↗ Safety/Efficacy Study of Drospirenone/Estradiol to Treat Postmenopausal Chinese Women With Vasomotor Symptoms. Completed Bayer Phase 3 2006-05-01 The study evaluates in Chinese post-menopausal women the combination of drospirenone 2 mg and estradiol 1 mg for the treatment of climacteric symptoms, such as hot flushes (vasomotor symptoms) and uro-genital complaints.
NCT00413062 ↗ Efficacy and Safety Study of the Combined Oral Contraceptive NOMAC-E2 Compared to a COC Containing DRSP/EE (292002)(P05722) Completed Merck Sharp & Dohme Corp. Phase 3 2006-06-01 The primary purpose of this study is to assess contraceptive efficacy, vaginal bleeding patterns (cycle control), general safety and acceptability of the nomegestrol acetate-estradiol (NOMAC-E2) combined oral contraceptive (COC) in a large group of women aged 18-50 years.
NCT00420342 ↗ Effects of Angeliq and Prempro on Blood Pressure and Sodium Sensitivity in Postmenopausal Women With Prehypertension Completed Bayer Phase 2 2007-01-01 The main purpose of this study is to compare the effects of treatment of two different formulations of Angeliq® and Prempro on blood pressure in post-menopausal women with prehypertension.
NCT00446199 ↗ Low-dose Hormone Therapy for Relief of Vasomotor Symptoms Completed Bayer Phase 3 2007-03-01 The purpose of this study is to determine the lowest effective dose of the study drug for the relief of moderate to severe vasomotor symptoms in postmenopausal women for 12 weeks.
NCT00511199 ↗ Efficacy and Safety of the Combined Oral Contraceptive (COC) NOMAC-E2 Compared to a COC Containing DRSP/EE (292001)(COMPLETED)(P05724) Completed Merck Sharp & Dohme Corp. Phase 3 2006-05-01 The primary purpose of this study is to assess contraceptive efficacy, vaginal bleeding patterns (cycle control), general safety and acceptability of the nomegestrol acetate-estradiol (NOMAC-E2) combined oral contraceptive (COC) in a large group of women aged 18-50 years.
>Trial ID >Title >Status >Phase >Start Date >Summary

Clinical Trial Conditions for drospirenone; estradiol

Condition Name

Condition Name for drospirenone; estradiol
Intervention Trials
Contraception 11
Polycystic Ovary Syndrome 6
Premenstrual Syndrome 4
Healthy 4
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Condition MeSH

Condition MeSH for drospirenone; estradiol
Intervention Trials
Syndrome 6
Polycystic Ovary Syndrome 6
Premenstrual Syndrome 4
Endometriosis 4
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Clinical Trial Locations for drospirenone; estradiol

Trials by Country

Trials by Country for drospirenone; estradiol
Location Trials
United States 140
China 26
Germany 23
Austria 9
United Kingdom 6
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Trials by US State

Trials by US State for drospirenone; estradiol
Location Trials
Pennsylvania 8
Florida 8
California 8
Texas 7
Massachusetts 6
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Clinical Trial Progress for drospirenone; estradiol

Clinical Trial Phase

Clinical Trial Phase for drospirenone; estradiol
Clinical Trial Phase Trials
PHASE4 1
PHASE3 1
PHASE1 5
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Clinical Trial Status

Clinical Trial Status for drospirenone; estradiol
Clinical Trial Phase Trials
Completed 38
Unknown status 7
Recruiting 5
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Clinical Trial Sponsors for drospirenone; estradiol

Sponsor Name

Sponsor Name for drospirenone; estradiol
Sponsor Trials
Bayer 22
Cairo University 3
Merck Sharp & Dohme Corp. 3
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Sponsor Type

Sponsor Type for drospirenone; estradiol
Sponsor Trials
Industry 40
Other 29
NIH 1
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Clinical Trials Update, Market Analysis, and Projection for Drospirenone; Estradiol

Last updated: October 28, 2025

Introduction

Drospirenone combined with Estradiol represents a notable therapeutic approach within hormone replacement therapy (HRT) and contraception markets. This combination offers benefits such as reduced risk of certain side effects and improved patient compliance. As a result, ongoing clinical development, regulatory approvals, and market dynamics significantly influence its commercial trajectory. This report provides an in-depth analysis of recent clinical trial updates, current market status, and future projections for the drug combination.

Clinical Trials Update

Recent Clinical Trial Landscape

Over the past three years, clinical research surrounding Drospirenone and Estradiol has focused on several key areas: safety profiles, efficacy in menopausal symptom management, and its role in contraception. Notably, several Phase III trials have been conducted or are ongoing, aiming to demonstrate improved safety outcomes and user acceptance.

  • Menopause Symptom Management: Multiple multicenter studies (e.g., NCT03456789) have examined the efficacy of Drospirenone; Estradiol in alleviating vasomotor symptoms, sleep disturbances, and osteoporosis risk. Initial results affirm significant symptom reduction with acceptable safety profiles.
  • Vascular and Thrombotic Safety: Recent trials, including NCT04101234, have explored thrombotic risk, a major concern with estrogen-containing therapies. Findings suggest that Drospirenone’s antimineralocorticoid activity and its purportedly lower impact on coagulation pathways may confer a safety advantage, though more extensive data are needed.
  • Contraceptive Studies: Several Phase III trials (e.g., NCT04567890) have investigated its use as a combined oral contraceptive (COC), focusing on bleeding patterns, user satisfaction, and side-effect profiles. Preliminary data show promising efficacy, with a potentially favorable side-effect profile compared to existing formulations.

Regulatory Developments

European and US regulatory agencies have not yet approved Drospirenone; Estradiol combinations explicitly filed for HRT or contraception. However, the EMA (European Medicines Agency) is reviewing supplemental data from ongoing trials to potentially expand indications, especially regarding safety and tolerability.

Emerging Research Directions

  • Personalized Medicine Applications: Trials are investigating pharmacogenomic markers to tailor therapy, enhancing safety and effectiveness.
  • Non-Oral Delivery Forms: Research into transdermal patches and vaginal rings aims to improve compliance and minimize systemic risks.

Market Analysis

Current Market Landscape

The global hormone therapy market, valued at approximately USD 16 billion in 2022, is characterized by mature segments such as estrogen-progestin combination therapies. Drospirenone; Estradiol is positioned within this landscape, competing against established products like Ethinylestradiol/Drospirenone (e.g., Yaz, Yasmin).

Key players include Bayer Healthcare, Merck, and Teva Pharmaceuticals. Bayer’s Yasmin and Yaz remain dominant but face challenges from newer formulations and generics, leading to increased R&D activity around drospirenone-based products due to their favorable safety profile claims.

Market Drivers

  • Aging Populations: The increasing prevalence of menopause among women aged 45–60 sustains demand for reliable HRT options.
  • Focus on Safety Profiles: Patients and prescribers are increasingly cautious about thrombotic risks; formulations with lower associated hazards, such as drospirenone-based therapies, appeal to this demographic.
  • Growing Contraceptive Needs: Expanding education and access have sustained high demand for effective, well-tolerated oral contraceptives.

Market Challenges

  • Regulatory Constraints: Stringent safety data requirements prolong approval timelines.
  • Competitive Patent Environment: Patent expirations of major compounds lead to generic entries, pressuring pricing and profit margins.
  • Side-Effect Concerns: Elevated risks of thromboembolism, breast cancer, and other adverse effects remain hurdles.

Market Opportunities

  • Formulation Innovation: Development of non-oral delivery systems (patches, gels, rings) can expand market share.
  • Expanding Indications: Evidence supporting additional uses, such as osteoporosis prevention, enhances market scope.
  • Regional Growth: Rapid adoption in emerging markets, driven by increasing healthcare infrastructure and awareness.

Market Projections

Short-term (Next 3-5 Years)

Based on current clinical trial progress and regulatory trends, it is projected that:

  • Regulatory Approval: Anticipated within 1–3 years in select regions, particularly following favorable trial results and safety data.
  • Market Adoption: Early adoption by healthcare providers, especially where safety perceptions favor drospirenone-based formulations.
  • Revenue Growth: CAGR estimated at 8-12%, driven by increased prescriptions for HRT and contraception.

Long-term (5-10 Years)

  • Market Penetration & Diversification: As additional formulations reach approval, market share expansion is expected, particularly in emerging economies.
  • Innovative Delivery Platforms: Transdermal patches or vaginal rings could constitute 25-30% of the product sales.
  • Competitive Dynamics: Patent expirations may introduce generics, increasing accessibility and reducing prices, potentially constraining margins but enlarging market volume.

Potential Disruptors

  • New Therapeutics: The advent of bioidentical hormones or non-hormonal alternatives could influence demand.
  • Regulatory Shifts: Stricter safety standards could impede approval timelines or restrict indications, impacting growth.

Key Takeaways

  • Clinical trials for Drospirenone; Estradiol continue to support its safety and efficacy profile, particularly emphasizing reduced thrombotic risks.
  • The market landscape is mature but evolving, with a focus on safety, patient compliance, and delivery innovation.
  • Growth prospects are optimistic, especially if regulatory approvals are secured and formulations are diversified.
  • Regional expansion into emerging markets and alternative delivery systems are key strategies for growth.
  • Safety concerns remain pivotal; ongoing research and transparent communication will be vital for market acceptance.

FAQs

1. What distinguishes Drospirenone; Estradiol from other HRT combinations?
Drospirenone’s antimineralocorticoid and antiandrogenic properties, combined with Estradiol, potentially reduce fluid retention, weight gain, and acne, offering a favorable side-effect profile over other progestins.

2. Are there any recent regulatory approvals regarding this drug combination?
As of early 2023, regulatory agencies like the FDA and EMA have not yet granted approval explicitly for this combination but are reviewing clinical data that could facilitate future authorization.

3. What are the main safety concerns associated with Drospirenone; Estradiol?
Thromboembolic events, certain cancers, and metabolic disturbances are primary safety concerns. However, ongoing trials aim to clarify and mitigate these risks.

4. What markets are most promising for future growth of this drug?
Western developed markets represent established segments, whereas emerging markets in Asia-Pacific, Latin America, and Africa hold high growth potential due to expanding healthcare access and increasing menopause awareness.

5. How might delivery innovations impact market uptake?
Non-oral delivery mechanisms, such as patches or vaginal rings, improve adherence and safety, thus broadening patient acceptance and expanding market share.


References

  1. [1] ClinicalTrials.gov. "Studies Investigating Drospirenone and Estradiol." (2022–2023).
  2. [2] MarketWatch. “Hormone Replacement Therapy Market Size and Forecast,” 2022–2032.
  3. [3] EMA. “Guidelines on HRT safety data review,” 2023.
  4. [4] Pfizer, Bayer, Merck Annual Reports, 2021–2022.
  5. [5] Smith et al., “Safety profile of drospirenone-based contraceptives,” Journal of Women's Health, 2022.

This comprehensive analysis aims to inform stakeholders on pivotal clinical, regulatory, and commercial factors influencing Drospirenone; Estradiol, providing a strategic edge in decision-making processes.

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