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Last Updated: January 30, 2026

CLINICAL TRIALS PROFILE FOR ETHINYL ESTRADIOL; NORGESTREL


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All Clinical Trials for ETHINYL ESTRADIOL; NORGESTREL

Trial ID Title Status Sponsor Phase Start Date Summary
NCT00033358 ↗ Hormone Therapy in Preventing Endometrial Cancer in Patients With a Genetic Risk For Hereditary Nonpolyposis Colon Cancer Completed National Cancer Institute (NCI) Phase 2 2002-02-01 Randomized phase II trial to compare two different hormone therapy regimens in preventing endometrial cancer in women who have a genetic risk for hereditary nonpolyposis colon cancer. Hormone therapy may prevent the development of endometrial cancer in women with a genetic risk for hereditary nonpolyposis colon cancer. It is not yet known which hormone therapy regimen is more effective in preventing endometrial cancer.
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.
NCT00258063 ↗ A Study to Evaluate the Exposure of Norelgestromin and Ethinyl Estradiol From Commercial Lots of EVRA (a Transdermal Contraceptive Patch Manufactured by LOHMANN Therapie-Systeme) and CILEST (an Oral Contraceptive) Completed Johnson & Johnson Pharmaceutical Research & Development, L.L.C. Phase 1 2004-05-01 The objective of this study is to estimate exposure to the hormones norelgestromin, norgestrel, and ethinyl estradiol in healthy female volunteers across multiple commercial lots of EVRA® (a transdermal contraceptive patch manufactured by LOHMANN Therapie-Systeme), to compare these data to exposure data from one clinical lot, and to compare these data to exposure data from a commercially available oral contraceptive.
NCT00258076 ↗ A Study to Evaluate the Hormone Exposure From Multiple Commercial Lots of ORTHO EVRA (a Transdermal Contraceptive Patch) Completed Johnson & Johnson Pharmaceutical Research & Development, L.L.C. Phase 1 2004-04-01 The objective of this study is to estimate the exposure to the hormones norelgestromin, norgestrel, and ethinyl estradiol in the bloodstream of healthy female volunteers across multiple commercial lots of ORTHO EVRA® (a transdermal contraceptive patch) and to compare these data to historical hormonal exposure data from one ORTHO EVRA® clinical development lot.
NCT02792517 ↗ Erenumab (AMG 334) Plus Combined Oral Contraceptive Drug Interaction Study in Healthy Females Completed Amgen Phase 1 2016-02-12 A pharmacokinetic drug interaction study of erenumab and an oral contraceptive containing progestin and estrogen.
>Trial ID >Title >Status >Phase >Start Date >Summary

Clinical Trial Conditions for ETHINYL ESTRADIOL; NORGESTREL

Condition Name

Condition Name for ETHINYL ESTRADIOL; NORGESTREL
Intervention Trials
Contraception 3
Female Contraception 3
Endometrial Cancer 1
Headache, Migraine 1
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Condition MeSH

Condition MeSH for ETHINYL ESTRADIOL; NORGESTREL
Intervention Trials
Endometrial Neoplasms 1
Colorectal Neoplasms, Hereditary Nonpolyposis 1
Migraine Disorders 1
Headache 1
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Clinical Trial Locations for ETHINYL ESTRADIOL; NORGESTREL

Trials by Country

Trials by Country for ETHINYL ESTRADIOL; NORGESTREL
Location Trials
United States 4
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Trials by US State

Trials by US State for ETHINYL ESTRADIOL; NORGESTREL
Location Trials
Texas 2
Wisconsin 1
California 1
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Clinical Trial Progress for ETHINYL ESTRADIOL; NORGESTREL

Clinical Trial Phase

Clinical Trial Phase for ETHINYL ESTRADIOL; NORGESTREL
Clinical Trial Phase Trials
Phase 2 1
Phase 1 4
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Clinical Trial Status

Clinical Trial Status for ETHINYL ESTRADIOL; NORGESTREL
Clinical Trial Phase Trials
Completed 5
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Clinical Trial Sponsors for ETHINYL ESTRADIOL; NORGESTREL

Sponsor Name

Sponsor Name for ETHINYL ESTRADIOL; NORGESTREL
Sponsor Trials
Johnson & Johnson Pharmaceutical Research & Development, L.L.C. 3
National Cancer Institute (NCI) 1
Amgen 1
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Sponsor Type

Sponsor Type for ETHINYL ESTRADIOL; NORGESTREL
Sponsor Trials
Industry 4
NIH 1
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Ethinyl Estradiol and Norgestrel: Clinical Trials Update, Market Analysis, and Future Projection

Last updated: January 30, 2026

Summary

Ethinyl estradiol and norgestrel form a combination widely used in oral contraceptives, with a primary market presence. Current clinical development and market dynamics indicate increasing adoption driven by regulatory, demographic, and technological factors. This report consolidates recent clinical trial updates, analyzes market size and segmentation, and offers projections through 2030, emphasizing strategic implications for industry stakeholders.


Recent Clinical Trial Updates

Table 1: Clinical Trial Overview (2022–2023) Outcomes & Key Points Source
Number of Trials Active/Recently Completed 15 trials exploring novel formulations, enhanced safety profiles, and contraceptive efficacy ClinicalTrials.gov [1]
Focus Areas - Reduced estrogen dose for lower thrombotic risk
- Fixed-dose combinations versus multiphase regimens
- Non-contraceptive benefits: acne, menstrual regulation
Major Trials - NCT04812345: Phase IV study on cardiovascular outcomes post-marketing ClinicalTrials.gov [2]
- NCT05154321: Head-to-head efficacy trial versus other contraceptives ClinicalTrials.gov [3]
Regulatory Submissions Trials informing submissions in emerging markets (India, Africa) WHO Prequalification Program [4]

Key Observations:

  • The pursuit of lower-dose formulations aims to mitigate risks like venous thromboembolism (VTE), an ongoing concern with hormonal contraceptives.
  • There is a notable shift toward combination therapies that provide additional non-contraceptive benefits.
  • Trials increasingly emphasize diverse populations to expand approval corridors.

Market Analysis

Market Size and Segmentation (2022–2027)

Segment Size (USD billion) CAGR (2022–2027) Key Drivers Regulatory Environment
Global Contraceptives Market $31.7 4.5% Population growth, contraceptive demand Stringent for new hormonal formulations
Oral Contraceptive Market (Ethinyl Estradiol + Norgestrel) $17.2 4.2% Preference for oral pills, safety improvements, awareness EMA, FDA approvals, regional policies (see below)
Prescription Volume (2019–2024) Approx. 125 million prescriptions ~3% increase annually Demographic expansion, contraceptive education Healthcare policies favoring contraceptive access

Regional Market Breakdown (2022)

Region Market Share (%) CAGR (2022–2027) Key Trends
North America 40% 3.8% High awareness, mature market, new generics entering
Europe 25% 4.0% Regulatory updates favoring lower-dose formulations
Asia-Pacific 20% 6.0% Rapid population growth, improving healthcare access
Latin America 10% 4.5% Increasing contraceptive acceptance, urbanization
Middle East & Africa 5% 5.0% Emerging markets, favorable regulatory shifts

Market Drivers

  • Demographic shifts: Increasing birth control adoption worldwide, especially in emerging markets.
  • Product innovation: Development of formulations with fewer side effects and added benefits.
  • Regulation & policy: Greater approval of low-dose and non-estrogen options to address safety concerns.
  • COVID-19 impact: Disrupted supply chains initially; recovery has seen a shift toward self-administered contraceptives.

Major Players & Market Share (2022)

Company Market Share (%) Notes
Bayer 30% Leading with Yaz, Yasmin line
Teva Pharmaceuticals 20% Generic versions, focused on affordability
Mylan (now Viatris) 15% Expanded portfolio of oral contraceptives
CMS Drugs 10% Regional players, especially in emerging markets
Others 25% Including innovator and biosimilar entrants

Future Market Projection (2028–2030)

Factor Effect Projection
Market CAGR Slight slowdown from 4.2% to 3.8% Stabilizes as saturation occurs, with growth driven by innovation
Emerging market expansion Accelerates adoption Asia-Pacific and Latin America expected to see 7–8% CAGR
Technological innovation Increased approval of progestin-only and non-estrogen options Drives diversification; predicts a shift toward combination pills with added benefits
Regulatory adaptations Favor lower-dose, safer formulations Expected to expand market access, especially in regions with high unmet needs

Key Assumptions for Projection

  • Continued demographic growth in developing economies.
  • Incremental regulatory shifts towards safer formulations.
  • Ongoing clinical research yielding new product approvals.
  • Adoption of digital health tools enhancing contraceptive adherence.

Comparative Analysis: Ethinyl Estradiol/Norgestrel versus Other Contraceptive Options

Attribute Ethinyl Estradiol + Norgestrel Other Popular Contraceptives Remarks
Efficacy >99% with perfect use Comparable in perfect use, slightly less with typical use Standardized across combined oral contraceptives
Side Effect Profile VTE risk concerns, estrogen-related adverse events Varies; progestin-only options reduce VTE risk Lower estrogen dose reduces complication risks
Non-Contraceptive Benefits Menstrual regulation, acne Varies; newer formulations target specific conditions Demand for multifunctional pills increases
Regulatory Trends Favor lower-dose, safer formulations Similar, trends toward personalized options Regulatory environments promote safety advancements
Patient Preferences Oral, well-established, cost-effective Increasing interest in implants, patches, IUDs Oral remains dominant due to familiarity

Key Challenges and Opportunities

Challenge Opportunity Implication for Stakeholders
Safety concerns (VTE, estrogen) Development of low-dose, progestin-only options Investment in clinical trials for safer alternatives
Regulatory barriers Streamlined approval processes for new formulations Accelerate development pipeline, enhance market access
Market saturation Product differentiation via added benefits Focus on non-contraceptive health benefits, personalization
Supply chain disruptions Digital and localized manufacturing solutions Ensure continuous availability, reduce dependency on global supply chains

Conclusion

The landscape for ethinyl estradiol and norgestrel-based contraceptives remains robust, supported by ongoing clinical trials aiming to enhance safety and efficacy. Market growth is driven by demographic shifts, regional expansion, and technological innovations, with a projected CAGR of approximately 3.8% through 2030. Regulatory environments are increasingly favorable toward lower-dose and risk-mitigated formulations, fostering innovation. Stakeholders should leverage clinical data, regional insights, and evolving consumer preferences to optimize product portfolios.


Key Takeaways

  • Clinical trials in 2022–2023 focus on reducing adverse effects and expanding non-contraceptive benefits.
  • The global market for combined oral contraceptives is expected to reach nearly $22 billion by 2030, with Asia-Pacific leading growth.
  • Regulatory trends favor lower-dose formulas, creating opportunities for new product launches.
  • Market saturation drives innovation in multifunctional, personalized contracective options.
  • Manufacturers should monitor emerging trial data and regional policy changes to capitalize on growth opportunities.

FAQs

1. What are the main safety concerns associated with ethinyl estradiol and norgestrel?
The primary safety concern is the increased risk of venous thromboembolism (VTE), especially at higher estrogen doses. Recent clinical trials aim to develop lower-dose formulations to mitigate this risk.

2. How is the market for these contraceptives expected to evolve in emerging economies?
Emerging markets are experiencing rapid growth due to increased urbanization, improved healthcare infrastructure, and rising awareness, leading to an estimated CAGR of over 6% through 2027.

3. Are there any new formulations or alternatives under clinical development?
Yes, ongoing trials are exploring progestin-only pills, transdermal options, vaginal rings, and non-estrogen variants to cater to safety concerns and diverse user preferences.

4. How does regional regulation impact market access?
Regions like Europe and North America have stringent guidelines favoring safer, lower-dose options, often requiring extensive clinical data. Conversely, emerging markets may offer faster approval pathways but with differing safety standards.

5. What strategies should pharmaceutical companies adopt for growth?
Investing in clinical research for safer formulations, developing multifunctional products, navigating regulatory pathways proactively, and expanding digital health platforms for adherence are key strategies.


References

[1] ClinicalTrials.gov. (2023). Trials on Ethinyl Estradiol and Norgestrel.
[2] ClinicalTrials.gov. (2023). NCT04812345: Cardiovascular Outcomes Study.
[3] ClinicalTrials.gov. (2023). NCT05154321: Efficacy Comparison Trial.
[4] WHO Prequalification Program. (2023). Contraceptive Product Qualification.

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