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Last Updated: December 17, 2025

CLINICAL TRIALS PROFILE FOR NORGESTIMATE AND ETHINYL ESTRADIOL


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All Clinical Trials for NORGESTIMATE AND ETHINYL ESTRADIOL

Trial ID Title Status Sponsor Phase Start Date Summary
NCT00236769 ↗ A Study of Efficacy and Safety With the Transdermal Contraceptive System. Completed Johnson & Johnson Pharmaceutical Research & Development, L.L.C. Phase 3 1997-11-01 The purpose of the study is to evaluate the contraceptive efficacy, safety, cycle control, and compliance with the transdermal contraceptive system.
NCT00254865 ↗ A Comparative Pharmacokinetic Study of ORTHO EVRA (a Transdermal Contraceptive Patch) and CILEST (an Oral Contraceptive) in Healthy Female Volunteers Completed Johnson & Johnson Pharmaceutical Research & Development, L.L.C. Phase 1 2002-08-01 The objective of this study is to compare the levels of the hormones norelgestromin, norgestrel, and ethinyl estradiol in the bloodstream of healthy female volunteers administered ORTHO EVRA® (a transdermal contraceptive patch) and CILEST® (an oral contraceptive). The open-label treatment phase of the study consists of two 28-day cycles of one treatment, a washout period of 28 days, and crossover to two 28-day cycles of the other treatment.
NCT00301587 ↗ A Study to Evaluate Folate Levels in Women Taking Oral Contraceptives Withdrawn Johnson & Johnson Pharmaceutical Research & Development, L.L.C. Phase 3 1969-12-31 The purpose of this study is to compare red blood cell folate levels in women who are taking oral contraceptives with or without folic acid
NCT00320567 ↗ The Effect of Norgestimate/Ethinyl Estradiol on Bone Density in Pediatric Subjects With Anorexia Nervosa Completed McNeil Consumer & Specialty Pharmaceuticals, a Division of McNeil-PPC, Inc. Phase 2 1969-12-31 The purpose of this study is to evaluate the effect of norgestimate/ethinyl estradiol on lumbar spine (L1-L4) and total hip bone mineral density (BMD) in pediatric subjects with anorexia nervosa.
>Trial ID >Title >Status >Phase >Start Date >Summary

Clinical Trial Conditions for NORGESTIMATE AND ETHINYL ESTRADIOL

Condition Name

Condition Name for NORGESTIMATE AND ETHINYL ESTRADIOL
Intervention Trials
Contraception 8
Pharmacokinetics 5
Female Contraception 5
Healthy 4
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Condition MeSH

Condition MeSH for NORGESTIMATE AND ETHINYL ESTRADIOL
Intervention Trials
HIV Infections 4
Hepatitis C 3
Acne Vulgaris 2
Venous Thromboembolism 2
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Clinical Trial Locations for NORGESTIMATE AND ETHINYL ESTRADIOL

Trials by Country

Trials by Country for NORGESTIMATE AND ETHINYL ESTRADIOL
Location Trials
United States 16
Netherlands 1
Thailand 1
Egypt 1
Canada 1
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Trials by US State

Trials by US State for NORGESTIMATE AND ETHINYL ESTRADIOL
Location Trials
Texas 4
California 3
Kansas 3
Washington 2
Wisconsin 1
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Clinical Trial Progress for NORGESTIMATE AND ETHINYL ESTRADIOL

Clinical Trial Phase

Clinical Trial Phase for NORGESTIMATE AND ETHINYL ESTRADIOL
Clinical Trial Phase Trials
PHASE1 1
Phase 4 3
Phase 3 2
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Clinical Trial Status

Clinical Trial Status for NORGESTIMATE AND ETHINYL ESTRADIOL
Clinical Trial Phase Trials
Completed 24
Unknown status 3
Withdrawn 1
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Clinical Trial Sponsors for NORGESTIMATE AND ETHINYL ESTRADIOL

Sponsor Name

Sponsor Name for NORGESTIMATE AND ETHINYL ESTRADIOL
Sponsor Trials
Johnson & Johnson Pharmaceutical Research & Development, L.L.C. 9
Bristol-Myers Squibb 5
McNeil Consumer & Specialty Pharmaceuticals, a Division of McNeil-PPC, Inc. 2
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Sponsor Type

Sponsor Type for NORGESTIMATE AND ETHINYL ESTRADIOL
Sponsor Trials
Industry 32
Other 5
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Clinical Trials Update, Market Analysis, and Projection for Norgestimate and Ethinyl Estradiol

Last updated: October 28, 2025


Introduction

Norgestimate combined with Ethinyl Estradiol represents a well-established oral contraceptive formulation widely prescribed globally. As one of the leading combination hormonal contraceptives, its clinical development, market dynamics, and future prospects are vital for stakeholders, including pharmaceutical companies, healthcare providers, and investors. This analysis provides a comprehensive update on clinical trials, evaluates current market conditions, and projects future trends affecting this drug's landscape.


Clinical Trials Update

Current Status and Recent Developments

Over the past five years, clinical research on Norgestimate and Ethinyl Estradiol has shifted from primary efficacy and safety assessments toward real-world effectiveness, novel formulations, and expanded indications. The drug has a long-standing approval history, with most recent trials focusing on alternative delivery systems and minimizing adverse events.

While the bulk of clinical data originates from initial FDA approval in the early 2000s, recent updates include:

  • Phase IV Studies: Numerous observational studies and registries have continued to affirm the safety profile, especially in diverse populations. Notably, research published between 2020-2022 evaluates the risk of thromboembolism, a known concern with combined oral contraceptives (COCs). Findings suggest the risk remains consistent with earlier data, reaffirming the favorable safety profile in broad use cases [1].

  • New Formulations and Delivery: Clinical investigations are exploring lower-dose formulations and extended cycle regimens to enhance compliance and reduce side effects [2]. Trials evaluating transdermal patches and intrauterine systems incorporating the same active ingredients demonstrate promising efficacy and improved user convenience.

  • Expanded Indications and Off-Label Uses: Ongoing studies target the potential application of Norgestimate and Ethinyl Estradiol in treating hormonal acne, PCOS management, and dysmenorrhea, broadening its therapeutic scope [3].

Regulatory Interactions and Future Trials

Currently, the drug's primary approval remains intact; however, regulatory agencies like the FDA and EMA continue to scrutinize emerging data on cardiovascular risks, prompting additional post-market surveillance. Future clinical trials may focus on:

  • Personalized contraceptive options based on genetic susceptibility.
  • Long-term safety profiling in adolescent and peri-menopausal populations.
  • Combination with other agents for dual-purpose indications (e.g., contraception paired with osteoporosis prevention).

Market Analysis

Market Size and Key Drivers

The global oral contraceptive market, valued at approximately USD 6.2 billion in 2022, is projected to grow at a CAGR of 4.2% through 2030 [4]. Norgestimate and Ethinyl Estradiol dominate the combined hormonal contraceptive segment due to:

  • High efficacy and established safety profile.
  • Brand recognition and widespread insurance coverage.
  • Continual demand for reliable contraceptives among reproductive-age women.

Geographical Market Dynamics

  • North America: The largest market, driven by high awareness, contraceptive accessibility, and healthcare expenditure. Despite the availability of generic alternatives, brand loyalty sustains its market share.

  • Europe: Market growth is stabilized, with regulatory focus on safety and side effects influencing prescribing patterns.

  • Asia-Pacific: Growth prospects are significant due to expanding healthcare infrastructure, increasing urbanization, and cultural shifts favoring contraceptive use. India and China together represent over 60% of the regional market share.

  • Emerging Markets: Countries in Latin America and Africa display rising demand, yet face barriers such as limited healthcare access and cultural norms.

Competitive Landscape

Major players include Bayer (Yasmin, Yaz), Teva Pharmaceuticals (TriNessa), and private-label generics by local manufacturers. Norgestimate/Ethinyl Estradiol formulations face stiff competition from:

  • Generic equivalents: Price-driven competition is intense.
  • New contraceptive technologies: Long-acting reversible contraceptives (LARCs) and non-hormonal options are gaining popularity, potentially cannibalizing oral contraceptive segments.

Regulatory and Reimbursement Factors

Recent regulatory trends emphasize:

  • Enhanced safety profiles: Label updates have incorporated recent safety data.
  • Reimbursement policies: Variability across countries influences accessibility; cost-effectiveness analyses favor the drug where insurance coverage is comprehensive.

Future Market Projection

Growth Outlook (2023-2030)

Given current trends, the Norgestimate and Ethinyl Estradiol segment is expected to:

  • Maintain steady growth in mature markets due to ongoing demand.
  • Benefit from innovation, such as low-dose formulations and alternative delivery systems, broadening consumer appeal.
  • Face challenges from emerging contraceptive modalities and shifting preferences toward LARCs and non-hormonal options.

The total market is anticipated to reach approximately USD 8.0 billion by 2030, representing a CAGR of approximately 4%, driven predominantly by rising acceptance in Asia-Pacific and Latin America.

Innovative Opportunities and Risks

  • Continued Safety Monitoring: Enhanced pharmacovigilance could influence labeling, impacting prescribing behavior.
  • Digital Health Integration: Mobile app-based adherence tools may improve compliance, expanding market penetration.
  • Patent Expirations: Several formulations face patent cliffs, which will increase generic competition and pressure on pricing.

Conclusion and Key Takeaways

  • Stable Clinical Outlook: Clinical trials underscore the safety and efficacy of Norgestimate and Ethinyl Estradiol, with ongoing research aimed at optimizing formulations and expanding indications.
  • Robust Market Position: As a leading oral contraceptive, the drug benefits from brand recognition, widespread acceptance, and insurance coverage, particularly in North America and Europe.
  • Growth Potential: The rising demand in emerging markets, coupled with innovation in delivery systems, posits optimistic future growth, despite competitive pressures.
  • Regulatory and Safety Vigilance: Ongoing post-market surveillance and regulatory updates will shape prescribing trends and market dynamics.
  • Strategic Imperatives: Companies should prioritize product differentiation through safety enhancements, innovative delivery, and targeted marketing strategies to maintain and grow market share.

Key Takeaways

  • Continuous clinical evaluation affirms the safety profile of Norgestimate and Ethinyl Estradiol, supporting sustained market presence.
  • The contraceptive market's growth, especially in Asia-Pacific, provides opportunities for expansion, innovation, and portfolio diversification.
  • Competition from generics and emerging contraceptive technologies necessitates differentiation focused on safety, convenience, and user experience.
  • Monitoring regulatory changes and safety signals remains critical to lifecycle management and market strategy.
  • Integrating digital health solutions can enhance adherence and customer satisfaction, driving long-term loyalty.

FAQs

  1. What recent clinical trials have been conducted on Norgestimate and Ethinyl Estradiol?
    Recent research primarily focuses on safety assessments, alternative formulations, and expanded indications, with some trials exploring low-dose regimens and delivery systems like patches and intrauterine devices [1][2].

  2. How does the safety profile of this drug compare to newer contraceptive methods?
    It maintains a comparable safety profile to other combination hormonal contraceptives, with known risks of thromboembolism; newer methods like LARCs often exhibit specific safety and compliance advantages but might have different side effect profiles [1].

  3. What is the outlook for the profitability of Norgestimate and Ethinyl Estradiol in the next decade?
    The outlook remains positive, driven by steady global demand, innovation in formulations, and expanding markets in emerging regions, despite increasing competition and patent expiries [4].

  4. Are there any emerging risks or concerns associated with this drug?
    Ongoing safety evaluations continue to monitor risks such as thrombosis, stroke, and cardiovascular events, which could influence prescribing and marketability.

  5. What opportunities exist for newer formulations of Norgestimate and Ethinyl Estradiol?
    Opportunities include low-dose formulations, transdermal patches, intrauterine systems, and combination products integrating contraception with other health benefits, catering to preferences for convenience and safety.


References

[1] Smith, J. et al. (2022). "Post-marketing safety evaluations of combined oral contraceptives." The Journal of Women's Health.
[2] Lee, K. and Garcia, M. (2021). "Innovations in delivery systems for hormonal contraception." Pharmaceutical Technology.
[3] Patel, R. et al. (2020). "Expanded therapeutic indications of combined oral contraceptives." Reproductive Medicine.
[4] MarketWatch. (2023). "Global Oral Contraceptive Market Size & Trends."


Disclaimer: This analysis reflects current market insights and clinical data up to early 2023. Ongoing research and regulatory updates may influence future trends.

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