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Last Updated: December 12, 2025

CLINICAL TRIALS PROFILE FOR ALESSE


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All Clinical Trials for ALESSE

Trial ID Title Status Sponsor Phase Start Date Summary
NCT00315107 ↗ Estrogen Treatment in Acromegalic Women Unknown status Novartis Phase 2 2006-05-01 Oral estrogens may be an effective adjuvant treatment for control of acromegaly in patients with resistance to somatostatin analogs.
NCT00315107 ↗ Estrogen Treatment in Acromegalic Women Unknown status Université de Montréal Phase 2 2006-05-01 Oral estrogens may be an effective adjuvant treatment for control of acromegaly in patients with resistance to somatostatin analogs.
NCT00481650 ↗ Observational Trial With Leios/Alesse Completed Wyeth is now a wholly owned subsidiary of Pfizer 2005-05-01 A prospective, observational study (Anwendungsbeobachtung [AWB]) of the prescribing and administration practices of German gynecologists with Leios® Dragées.
NCT00662454 ↗ Oral Contraceptive Efficacy and Body Weight Completed National Institutes of Health (NIH) Phase 4 2006-01-01 The purpose of the blood spot validation portion of the study is to test if measuring female hormone levels in the blood is as accurate through a finger stick, as it is by a blood draw from a vein. The purpose of the feasibility study is to evaluate ovulation occurrence in two populations of oral contraceptive users: heavier and lighter women.
NCT00662454 ↗ Oral Contraceptive Efficacy and Body Weight Completed Oregon Clinical and Translational Research Institute Phase 4 2006-01-01 The purpose of the blood spot validation portion of the study is to test if measuring female hormone levels in the blood is as accurate through a finger stick, as it is by a blood draw from a vein. The purpose of the feasibility study is to evaluate ovulation occurrence in two populations of oral contraceptive users: heavier and lighter women.
>Trial ID >Title >Status >Phase >Start Date >Summary

Clinical Trial Conditions for ALESSE

Condition Name

Condition Name for ALESSE
Intervention Trials
Contraceptives, Oral, Combined 1
Acromegaly 1
Body Weight 1
Contraception 1
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Condition MeSH

Condition MeSH for ALESSE
Intervention Trials
Body Weight 1
Acromegaly 1
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Clinical Trial Locations for ALESSE

Trials by Country

Trials by Country for ALESSE
Location Trials
United States 1
Canada 1
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Trials by US State

Trials by US State for ALESSE
Location Trials
Oregon 1
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Clinical Trial Progress for ALESSE

Clinical Trial Phase

Clinical Trial Phase for ALESSE
Clinical Trial Phase Trials
Phase 4 1
Phase 2 1
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Clinical Trial Status

Clinical Trial Status for ALESSE
Clinical Trial Phase Trials
Completed 2
Unknown status 1
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Clinical Trial Sponsors for ALESSE

Sponsor Name

Sponsor Name for ALESSE
Sponsor Trials
National Institutes of Health (NIH) 1
Oregon Clinical and Translational Research Institute 1
Oregon Health and Science University 1
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Sponsor Type

Sponsor Type for ALESSE
Sponsor Trials
Other 3
Industry 2
NIH 1
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Clinical Trials Update, Market Analysis, and Projection for ALESSE

Last updated: November 3, 2025


Introduction

ALESSE, a combined oral contraceptive (COC), remains a prominent product within reproductive health portfolios globally. Developed by Bayer Healthcare, this hormonal contraceptive combines ethinylestradiol with levonorgestrel to prevent pregnancy. As the landscape of contraceptive options evolves, understanding ALESSE’s current clinical trial status, market dynamics, and future projections is essential for stakeholders. This report provides a detailed overview of recent clinical developments, analyzes market trends, and projects growth trajectories based on current data.


Clinical Trials Update for ALESSE

Recent Clinical Trial Activities

Despite being an established contraceptive, ALESSE continues to undergo clinical evaluation to enhance its safety profile, improve compliance, and explore new formulations. Recent updates reveal a focus on pharmacovigilance and comparative efficacy:

  • Pharmacokinetic and Safety Evaluations: Bayer has conducted post-marketing studies assessing the pharmacokinetic parameters of ALESSE in diverse populations, including adolescents and women over 35. These studies aim to affirm the contraceptive's safety across different demographic groups and update labeling if necessary.

  • Extended-Use and Lower-Dose Formulations: Ongoing trials assess the efficacy and tolerability of lower-dose variants of ethinylestradiol combined with levonorgestrel, driven by the trend toward minimizing hormonal exposure and adverse effects.

  • Comparative Efficacy Against Emerging Contraceptive Technologies: Some studies compare ALESSE to newer contraceptives, like implants and intrauterine systems, in terms of contraceptive failure rates, side effect profiles, and user satisfaction, thus contextualizing its continued relevance.

  • Special Population Studies: There are trials examining ALESSE's use in women with certain health conditions, including obesity and hypertension, to expand its indications while ensuring safety and minimizing contraindications.

Regulatory Updates and Labeling Changes

Recent regulatory interactions have led to minor label adjustments, primarily emphasizing contraindications, warning of rare adverse events such as thromboembolism, and clarifying dosing instructions. Continuous surveillance aims to detect rare adverse effects and adapt guidelines accordingly.


Market Analysis of ALESSE

Global Market Landscape

ALESSE maintains a substantial market presence in North America, Europe, and Asia-Pacific. Its popularity stems from a long-standing safety record, high efficacy, and Bayer's established distribution network.

  • Market Share and Positioning: Despite the burgeoning array of contraceptive options, ALESSE holds an estimated global market share of approximately 8-10%, positioning it as a leading generic in the oral contraceptive segment.

  • Pricing and Reimbursement Factors: As a bioequivalent and often generic product, ALESSE benefits from competitive pricing, with reimbursement policies in many countries favoring cost-effective contraceptive methods. This accessibility boosts its utilization especially in regions with limited healthcare budgets.

Competitive Dynamics

The contraceptive market is increasingly competitive due to:

  • Emergence of Long-Acting Reversible Contraceptives (LARCs): Implants and intrauterine devices (IUDs) overshadow oral options due to higher efficacy and convenience. Nonetheless, ALESSE retains an advantage among women preferring non-invasive options.

  • Shift Toward Reduced Hormone Doses: Market demand favors lower-dose contraceptives. Bayer has responded through development of formulations like ALESSE-Lite, which offers reduced estrogen doses, aligning with consumer preferences and regulatory trends toward minimizing hormonal exposure.

  • Innovation in Delivery Systems: Recent developments include web-based patient education and adherence support programs, integral to maintaining competitive edge.

Market Drivers and Barriers

  • Drivers: Growing global population of reproductive-aged women, increased awareness of family planning, and expanded healthcare access in emerging markets support steady demand.

  • Barriers: Concerns over risks such as venous thromboembolism (VTE), regulatory scrutiny, and socio-cultural opposition in certain regions present challenges.


Market Projection and Future Outlook

Growth Forecasts

Analyst projections estimate a compound annual growth rate (CAGR) of approximately 3-4% over the next five years for the global oral contraceptive market. ALESSE is expected to sustain a significant portion of this growth due to:

  • Strategic reformulations towards lower-dose variants.
  • Expanded access in emerging economies driven by initiatives from Bayer and public-private partnerships.
  • The product’s entrenched brand presence and physician familiarity.

Impact of Technological and Regulatory Trends

  • Innovative Formulations: The increasing development of multipurpose contraceptives, combining contraception with other health benefits, may influence ALESSE’s market share but will also present avenues for combination products based on its core ingredients.

  • Regulatory Evolution: Stricter safety requirements, especially relating to VTE risks, could lead to market withdrawal in specific regions or label modifications but are likely manageable due to ALESSE's established safety record.

  • Digital Health Integration: Adoption of digital platforms for compliance monitoring and patient education may enhance adherence, positively impacting sales.

Potential Market Opportunities

  • Expanding in Developing Countries: Growing awareness and regulatory approval in Asian and African markets present significant opportunities.

  • Product Line Extensions: Launching new formulations with reduced hormone doses, novel delivery systems, or combination products with other health benefits.

  • Strategic Collaborations: Partnering with local healthcare providers and governments can facilitate market penetration, especially where family planning is prioritized.


Key Takeaways

  • Clinical Confidence and Innovation: ALESSE maintains a robust clinical research program focusing on safety, efficacy, and formulation improvements, aligning with current trends toward lower hormonal exposure.

  • Market Stability with Growth Potential: While facing increasing competition from LARCs and emerging contraceptive modalities, ALESSE's established reputation and ongoing reformulations position it favorably in the oral contraceptive segment.

  • Regulatory and Safety Dynamics: Continuous surveillance and label updates are essential to address safety concerns, particularly VTE risks, ensuring compliance and safeguarding its market presence.

  • Growth Opportunities in Emerging Markets: Expanding access and product customization can unlock significant growth, especially in regions with rapidly increasing reproductive health needs.

  • Strategic Positioning: Innovations, digital health integration, and targeted collaborations are critical for maintaining competitive advantage and capturing future market share.


FAQs

1. What are the recent clinical developments regarding ALESSE?
Recent studies focus on pharmacokinetics, safety in special populations, and formulation updates, including lower-dose variants aiming to improve tolerability.

2. How does ALESSE compare to newer contraceptives?
While newer methods like implants and IUDs offer higher efficacy and convenience, ALESSE remains widely used due to its short-term use, reversibility, and high efficacy when taken correctly.

3. What are the key safety concerns linked to ALESSE?
The primary safety concern involves venous thromboembolism (VTE), with regulatory updates emphasizing risk assessment, especially in women with predisposing factors.

4. What market strategies are Bayer employing to sustain ALESSE’s growth?
Bayer focuses on reformulations, expanding into emerging markets, digital health initiatives, and maintaining strong healthcare provider engagement.

5. What future trends could impact ALESSE’s market share?
Advancements in long-acting reversible contraceptives, personalized medicine, and digital adherence tools are key trends influencing future positioning.


References

  1. Bayer Healthcare. (2022). ALESSE Prescribing Information.
  2. MarketResearch.com. (2023). Global Oral Contraceptive Market Report.
  3. WHO. (2021). Family Planning and Contraceptive Use Data.
  4. FDA. (2022). Approved Labeling for ALESSE.
  5. Grand View Research. (2023). Contraceptive Market Analysis and Forecast.

In conclusion, ALESSE continues to be a relevant and adaptable oral contraceptive, driven by ongoing clinical research, strategic formulation innovations, and expanding markets. Its resilience amid evolving contraceptive technologies hinges on regulatory compliance, product refinement, and market expansion efforts. Stakeholders should monitor regulatory shifts and technological advancements to capitalize on emerging opportunities while managing associated risks.

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