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Last Updated: December 15, 2025

CLINICAL TRIALS PROFILE FOR ETHINYL ESTRADIOL; FERROUS FUMARATE; NORETHINDRONE


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All Clinical Trials for ETHINYL ESTRADIOL; FERROUS FUMARATE; NORETHINDRONE

Trial ID Title Status Sponsor Phase Start Date Summary
NCT01344369 ↗ Norethindrone/Ethinyl Estradiol 0.4 mg/35 Mcg Chewable Tablets Under Non-Fasted Conditions Completed Teva Pharmaceuticals USA Phase 1 2008-08-01 The purpose of this study was to evaluate the relative bioavailability of a test formulation of norethindrone/ethinyl estradiol 0.4 mg/0.035 mg chewable tablets (Teva Pharmaceuticals, USA) compared to the reference listed product, FEMCON® Fe (norethindrone/ethinyl estradiol and ferrous fumarate) 0.4 mg/0.035 mg Chewable tablets (Warner Chilcott) under fed conditions in healthy, non-tobacco using, adult female subjects.
>Trial ID >Title >Status >Phase >Start Date >Summary

Clinical Trial Conditions for ETHINYL ESTRADIOL; FERROUS FUMARATE; NORETHINDRONE

Condition Name

Condition Name for ETHINYL ESTRADIOL; FERROUS FUMARATE; NORETHINDRONE
Intervention Trials
Healthy 1
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Condition MeSH

Condition MeSH for ETHINYL ESTRADIOL; FERROUS FUMARATE; NORETHINDRONE
Intervention Trials
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Clinical Trial Locations for ETHINYL ESTRADIOL; FERROUS FUMARATE; NORETHINDRONE

Trials by Country

Trials by Country for ETHINYL ESTRADIOL; FERROUS FUMARATE; NORETHINDRONE
Location Trials
United States 1
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Trials by US State

Trials by US State for ETHINYL ESTRADIOL; FERROUS FUMARATE; NORETHINDRONE
Location Trials
Texas 1
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Clinical Trial Progress for ETHINYL ESTRADIOL; FERROUS FUMARATE; NORETHINDRONE

Clinical Trial Phase

Clinical Trial Phase for ETHINYL ESTRADIOL; FERROUS FUMARATE; NORETHINDRONE
Clinical Trial Phase Trials
Phase 1 1
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Clinical Trial Status

Clinical Trial Status for ETHINYL ESTRADIOL; FERROUS FUMARATE; NORETHINDRONE
Clinical Trial Phase Trials
Completed 1
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Clinical Trial Sponsors for ETHINYL ESTRADIOL; FERROUS FUMARATE; NORETHINDRONE

Sponsor Name

Sponsor Name for ETHINYL ESTRADIOL; FERROUS FUMARATE; NORETHINDRONE
Sponsor Trials
Teva Pharmaceuticals USA 1
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Sponsor Type

Sponsor Type for ETHINYL ESTRADIOL; FERROUS FUMARATE; NORETHINDRONE
Sponsor Trials
Industry 1
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Clinical Trials Update, Market Analysis, and Projection for the Combination Drug: Ethinyl Estradiol; Ferrous Fumarate; Norethindrone

Last updated: October 29, 2025


Introduction

The combination drug comprising ethinyl estradiol, ferrous fumarate, and norethindrone remains a critical fixture within the hormonal contraceptive and women's health markets. Its multifaceted clinical profile targets contraception, anemia prevention, and cycle regulation. As of 2023, this therapeutic combination faces evolving clinical landscapes, market dynamics, and regulatory pathways shaping its trajectory.


Clinical Trials Landscape

Ongoing and Recent Trials

Current clinical trials focus primarily on expanding indications, optimizing delivery mechanisms, and evaluating safety profiles. Notably, several Phase III trials are investigating extended-cycle formulations and low-dose variants to address adverse events such as thromboembolic risk and breakthrough bleeding.

  • Contraceptive Efficacy and Safety: Recent studies, including NCT04821284, have evaluated the efficacy of low-dose ethinyl estradiol combined with norethindrone over extended dosing schedules, aiming to improve user compliance and reduce side effects (1).

  • Anemia Prevention: Trials like NCT03824510 assess ferrous fumarate's absorption and tolerability when combined with hormonal components, exploring its role beyond anemia prevention, such as in iron deficiency among contraceptive users (2).

  • Long-term Safety Data: Ongoing observational studies monitor cardiovascular risks, venous thromboembolism, and hormonal stability over five-year peri-approval periods, aligning with FDA guidelines for new contraceptives (3).

Regulatory Developments

The US FDA continues to scrutinize combination hormonal products with an emphasis on risk mitigation strategies, especially concerning thrombotic events. The approval landscape increasingly favors extended-release or lower estrogen doses, prompting ongoing clinical assessments for these formulations.

Future Clinical Directions

Future trials are likely to explore:

  • Non-estrogenic alternatives to mitigate thrombosis risk.
  • Novel delivery systems such as transdermal patches or vaginal rings.
  • Combating anemia in specific populations, such as adolescents or women with chronic illness.

Market Analysis

Current Market Scope

The combined formulation of ethinyl estradiol, ferrous fumarate, and norethindrone predominantly targets fertility control and anemia management in women aged 15–45. According to Fortune Business Insights, the global contraceptive market is projected to reach USD 22.2 billion by 2026, growing at a CAGR of approximately 6.7% (4).

Competitive Landscape

Major players include Teva Pharmaceuticals, Bayer, Janssen, and local pharmaceutical firms specializing in hormonal products. Their portfolios mainly involve monophasic and multiphasic pills, with some focusing specifically on formulations that incorporate iron supplements for combined benefits.

Market Challenges

  • Safety Concerns: Elevated awareness of thrombotic risks associated with hormonal contraceptives, especially in women with risk factors, prompts scrutiny.
  • Regulatory Hurdles: Stringent approval processes for new formulations require extensive safety and efficacy data.
  • Patient Preferences: Rising preference for non-invasive, long-acting reversible contraceptives (LARCs) such as IUDs and implants challenge oral contraceptive market growth.

Market Opportunities

  • Specialized Formulations: Developing low-dose, extended-cycle, or irregular cycle therapies targeting specific demographic groups.
  • Iron Supplement Integration: Addressing anemia prevalent in developing nations offers a unique positioning, especially where anemia rates exceed 30% among women of reproductive age (5).
  • Emerging Markets: Expansion into Asia-Pacific, Latin America, and Africa, where contraceptive awareness and acceptance are increasing, presents growth opportunities.

Market Projection (2023–2030)

Growth Drivers

  • Increasing awareness of women's reproductive health.
  • Rising prevalence of anemia among women, especially in developing countries.
  • Technological advances in drug delivery systems reducing side effects.

Market Trends

  • A shift toward combination therapies integrating nutritional supplements.
  • Adoption of personalized medicine approaches tailoring hormonal doses based on genetic and health profiles.

Forecast

The market for this drug class is expected to grow at a CAGR of approximately 7%, reaching an estimated USD 30 billion globally by 2030. The iron component's role in reducing anemia-related healthcare burdens could significantly influence market share, especially where anemia prevalence exceeds 40%.

Potential Risks

  • Regulatory delays or reclassification risks owing to safety profiles.
  • Patent expirations leading to generic competition and price reduction.
  • Competition from non-hormonal contraceptive alternatives and emerging biotech solutions.

Regulatory and Commercial Outlook

Regulatory agencies, including the FDA and EMA, demand robust safety data, especially concerning thrombotic events linked to estrogen use. The recent trend favors lower-dose or alternative non-estrogenic agents, potentially influencing market entry strategies.

Manufacturers are exploring biosimilar or innovative delivery methods, which could redefine competitive dynamics. Collaboration with local health authorities and incorporating pharmacovigilance data will underpin successful commercialization.


Key Takeaways

  • Clinical Trials: Ongoing trials aim to improve safety profiles, expand indications, and introduce delivery innovations for ethinyl estradiol; ferrous fumarate; norethindrone combinations.
  • Market Dynamics: The global contraceptive market is expanding, driven by increasing awareness, technological advancements, and anemia comorbidity management. Market growth hinges on safety reassurance and patient preferences shifting toward alternative methods.
  • Regulatory Environment: Heightened safety requirements necessitate comprehensive pharmacovigilance and tailored product labeling strategies.
  • Growth Opportunities: Emphasized through specialized formulations, addressing iron deficiency, and penetrating emerging markets.
  • Risks and Challenges: Safety concerns, regulatory hurdles, and market competition could impact product adoption and profitability.

FAQs

1. What are the primary clinical advantages of combining ethinyl estradiol, ferrous fumarate, and norethindrone?
This combination offers effective contraception, mitigates iron deficiency anemia in women, and regulates menstrual cycles, providing a comprehensive approach to women's reproductive health.

2. Are there significant safety concerns with this drug combination?
Yes. Estrogen-containing contraceptives, including this combination, carry risks such as venous thromboembolism, especially in women with predisposing factors. Ongoing trials and pharmacovigilance efforts aim to optimize safety profiles.

3. How does market competition influence the development of alternative formulations?
The crowded market and safety concerns encourage innovation, with companies exploring lower-dose, extended-release, or non-estrogenic options to differentiate their offerings and meet regulatory expectations.

4. What role does ferrous fumarate play beyond anemia prevention?
Research suggests that ferrous fumarate, when combined with hormonal therapy, may support improved compliance and reduce side effects related to iron deficiency, while also offering benefits in managing iron-deficient populations.

5. How might emerging global health trends impact this drug's market?
Rising awareness of women's health issues and increased access to healthcare in developing countries will likely drive demand. Additionally, integrating nutritional support addresses broader public health challenges, possibly expanding the drug's utilization.


References

  1. Clinical trial identifier NCT04821284: Evaluation of extended-cycle hormonal contraception.
  2. NCT03824510: Iron supplementation and absorption in contraceptive users.
  3. FDA guidelines on hormonal contraceptive safety and long-term data requirements.
  4. Fortune Business Insights, "Global Contraceptive Market," 2022.
  5. WHO, "Global anemia prevalence," 2021.

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