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Last Updated: January 17, 2025

CLINICAL TRIALS PROFILE FOR SYNTHETIC CONJUGATED ESTROGENS A


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All Clinical Trials for Synthetic Conjugated Estrogens A

Trial ID Title Status Sponsor Phase Start Date Summary
NCT00006133 ↗ Randomized Study of Oral Contraceptives or Hormone Replacement Therapy in Women With Systemic Lupus Erythematosus Completed University of Alabama at Birmingham N/A 2000-06-01 OBJECTIVES: I. Determine the effect of oral contraceptives containing low-dose synthetic estrogens and progestins on disease activity in premenopausal women with inactive, stable, or moderate systemic lupus erythematosus (SLE). II. Determine the effect of hormone replacement therapy with conjugated estrogens and progestins on disease activity in postmenopausal women with inactive, stable, or moderate SLE.
NCT00006133 ↗ Randomized Study of Oral Contraceptives or Hormone Replacement Therapy in Women With Systemic Lupus Erythematosus Completed National Center for Research Resources (NCRR) N/A 2000-06-01 OBJECTIVES: I. Determine the effect of oral contraceptives containing low-dose synthetic estrogens and progestins on disease activity in premenopausal women with inactive, stable, or moderate systemic lupus erythematosus (SLE). II. Determine the effect of hormone replacement therapy with conjugated estrogens and progestins on disease activity in postmenopausal women with inactive, stable, or moderate SLE.
NCT00196378 ↗ A Clinical Trial to Evaluate the Safety and Efficacy of Enjuvia 0.3 mg for the Treatment of Vulvovaginal Atrophy Completed Duramed Research Phase 3 2004-11-01 This is a two-arm, randomized, double-blind, parallel-group, placebo-controlled study to evaluate the efficacy of Enjuvia 0.3 mg tablets for the treatment of moderate to severe symptoms of vulvovaginal atrophy in postmenopausal women with or without a hysterectomy and/or oophorectomy.
NCT00272935 ↗ A Clinical Trial to Demonstrate the Efficacy and Safety of Cenestin 0.3 mg for the Treatment of Hot Flashes Completed Duramed Research Phase 3 2005-12-01 This is a randomized, double-blind study to compare the efficacy and safety of daily doses of Cenestin 0.3 mg tablets to placebo in reducing the frequency and severity of moderate to severe hot flashes in postmenopausal women.
NCT00357006 ↗ A Definitive Estrogen Patch Study (ADEPT) Completed Stanley Medical Research Institute Phase 2 2006-07-01 OBJECTIVE: To test the use of adjunctive estrogen in a 8 week, three-arm, double-blind, placebo-controlled study in the treatment of psychotic symptoms in women with schizophrenia. HYPOTHESIS: That women receiving adjunctive estrogen will demonstrate significantly greater improvements in the symptoms of schizophrenia than women receiving adjunctive placebo. STUDY POPULATION: 180 women will be recruited over a three-year period across three sites. Participant will be of potential child-bearing age (Pre-menopausal and Post-menarche) with a current diagnosis of Schizophrenia, Schizophreniform Disorder, or Schizoaffective Disorder (not in manic phase)according to the Mini International Neuropsychiatric Interview (MINI). STUDY MEDICATION: Estradiol. One third of the participants (n=60) will be randomised to receive adjunctive 100mcg Estradiol; one third of the participants (n=60) will be randomised to receive adjunctive 200mcg Estradiol n=60; and, one third of the participants (n=60) will be randomised to receive adjunctive placebo n=60). All patches will be covered with identical adhesive contact to ensure the "blind" is maintained. STUDY EVALUATIONS: Data will be collected over a two-month period for each participant. Visits will be performed at baseline, and then at weekly or fortnightly intervals. A total of six visits will be completed for each participant. The following evaluations will be performed: i) Inclusion/exclusion checklist. (Baseline visit only) ii) Informed consent. (Baseline visit only) iii)psychiatric evaluation to determine diagnosis. (Baseline visit only) iv) General clinical evaluation including medical history, current conditions and a non-invasive physical examination, body weight, vital signs. (Baseline and endpoint visits) v) Medication history. (Baseline and evaluation visits) vi) Demographics. (Baseline visits only) vii) The primary outcome measures will be the Positive and Negative Syndrome Scale (PANSS), which will be taken at weeks 1, 2, 4 and 8 of the trial. Cognitive testing will take place at baseline and 8 weeks. Side effects will be assessed at weeks 1, 2, 4, 6, and 8 to measure changes in subject's reported side effects during the trial. viii) Laboratory tests including; Serum levels of mood stabiliser, LH, FSH, Estrogen, Progesterone, Prolactin, DHEA,Testosterone and(Baseline and evaluation visits).
NCT00357006 ↗ A Definitive Estrogen Patch Study (ADEPT) Completed The Alfred Phase 2 2006-07-01 OBJECTIVE: To test the use of adjunctive estrogen in a 8 week, three-arm, double-blind, placebo-controlled study in the treatment of psychotic symptoms in women with schizophrenia. HYPOTHESIS: That women receiving adjunctive estrogen will demonstrate significantly greater improvements in the symptoms of schizophrenia than women receiving adjunctive placebo. STUDY POPULATION: 180 women will be recruited over a three-year period across three sites. Participant will be of potential child-bearing age (Pre-menopausal and Post-menarche) with a current diagnosis of Schizophrenia, Schizophreniform Disorder, or Schizoaffective Disorder (not in manic phase)according to the Mini International Neuropsychiatric Interview (MINI). STUDY MEDICATION: Estradiol. One third of the participants (n=60) will be randomised to receive adjunctive 100mcg Estradiol; one third of the participants (n=60) will be randomised to receive adjunctive 200mcg Estradiol n=60; and, one third of the participants (n=60) will be randomised to receive adjunctive placebo n=60). All patches will be covered with identical adhesive contact to ensure the "blind" is maintained. STUDY EVALUATIONS: Data will be collected over a two-month period for each participant. Visits will be performed at baseline, and then at weekly or fortnightly intervals. A total of six visits will be completed for each participant. The following evaluations will be performed: i) Inclusion/exclusion checklist. (Baseline visit only) ii) Informed consent. (Baseline visit only) iii)psychiatric evaluation to determine diagnosis. (Baseline visit only) iv) General clinical evaluation including medical history, current conditions and a non-invasive physical examination, body weight, vital signs. (Baseline and endpoint visits) v) Medication history. (Baseline and evaluation visits) vi) Demographics. (Baseline visits only) vii) The primary outcome measures will be the Positive and Negative Syndrome Scale (PANSS), which will be taken at weeks 1, 2, 4 and 8 of the trial. Cognitive testing will take place at baseline and 8 weeks. Side effects will be assessed at weeks 1, 2, 4, 6, and 8 to measure changes in subject's reported side effects during the trial. viii) Laboratory tests including; Serum levels of mood stabiliser, LH, FSH, Estrogen, Progesterone, Prolactin, DHEA,Testosterone and(Baseline and evaluation visits).
>Trial ID >Title >Status >Phase >Start Date >Summary

Clinical Trial Conditions for Synthetic Conjugated Estrogens A

Condition Name

Condition Name for Synthetic Conjugated Estrogens A
Intervention Trials
Menopause 2
Hot Flashes 1
Nocturnal Vasomotor Symptoms 1
Schizoaffective Disorder 1
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Condition MeSH

Condition MeSH for Synthetic Conjugated Estrogens A
Intervention Trials
Atrophy 2
Lupus Erythematosus, Systemic 1
Schizophrenia 1
Psychotic Disorders 1
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Clinical Trial Locations for Synthetic Conjugated Estrogens A

Trials by Country

Trials by Country for Synthetic Conjugated Estrogens A
Location Trials
United States 98
Australia 1
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Trials by US State

Trials by US State for Synthetic Conjugated Estrogens A
Location Trials
California 5
Texas 5
Pennsylvania 5
Alabama 4
South Carolina 4
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Clinical Trial Progress for Synthetic Conjugated Estrogens A

Clinical Trial Phase

Clinical Trial Phase for Synthetic Conjugated Estrogens A
Clinical Trial Phase Trials
Phase 4 1
Phase 3 3
Phase 2 1
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Clinical Trial Status

Clinical Trial Status for Synthetic Conjugated Estrogens A
Clinical Trial Phase Trials
Completed 6
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Clinical Trial Sponsors for Synthetic Conjugated Estrogens A

Sponsor Name

Sponsor Name for Synthetic Conjugated Estrogens A
Sponsor Trials
Duramed Research 4
University of Alabama at Birmingham 1
National Center for Research Resources (NCRR) 1
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Sponsor Type

Sponsor Type for Synthetic Conjugated Estrogens A
Sponsor Trials
Industry 4
Other 3
NIH 1
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Synthetic Conjugated Estrogens A: Clinical Trials, Market Analysis, and Projections

Introduction

Synthetic Conjugated Estrogens A (SCE-A) are a blend of plant-derived estrogenic compounds used to treat various postmenopausal symptoms. This article delves into the clinical trials, market analysis, and future projections for this drug.

Clinical Trials and Efficacy

Indications and Usage

SCE-A, marketed under the brand name Cenestin, is indicated for the treatment of moderate to severe vasomotor symptoms and vulvovaginal atrophy associated with menopause. These symptoms include dyspareunia and vaginal mucosa dryness[2].

Mechanism of Action

SCE-A acts as estrogen receptor alpha (ERĪ±) agonists, mimicking the natural effects of estrogen in the body. The drug is composed of nine synthetic estrogenic substances derived from plant sources such as yam or soy[2].

Key Clinical Trials

  • Vasomotor Symptoms and Vulvovaginal Atrophy: Clinical trials have shown that SCE-A effectively reduces the severity of vasomotor symptoms and improves vulvovaginal atrophy. For instance, the treatment has been shown to reduce the frequency and severity of hot flashes and night sweats, and to improve vaginal health by increasing the thickness and elasticity of the vaginal walls[2].
  • Women's Health Initiative (WHI) Studies: Although the WHI studies primarily focused on Conjugated Equine Estrogens (CEEs), the findings provide valuable insights into the risks and benefits of estrogen therapy in general. The WHI estrogen-alone substudy and the estrogen plus progestin substudy highlighted the risks of stroke, invasive breast cancer, and dementia associated with long-term estrogen therapy. However, these studies also noted benefits such as reduced risk of hip fractures and colorectal cancer[3][4].

Safety Profile

Clinical trials and observational studies have identified several risks associated with estrogen therapy, including:

  • Increased Risk of Breast Cancer: The WHI substudy reported an increased risk of invasive breast cancer with estrogen plus progestin therapy, although the risk with estrogen-alone therapy was less clear[3][4].
  • Cardiovascular Risks: There is an increased risk of stroke, coronary heart disease events, and pulmonary embolism associated with estrogen therapy, particularly in older postmenopausal women[3][4].
  • Dementia: The WHIMS ancillary study found an increased risk of probable dementia in postmenopausal women 65 years of age and older[4].

Market Analysis

Market Size and Growth

The global conjugated estrogen market, which includes SCE-A, is expected to grow significantly over the forecast period from 2025 to 2031. The market size is estimated based on historical data from 2019 to 2023 and projected growth rates. The base year for calculations is 2023, and the forecasted data will be updated until the purchase date[5].

Segment Analysis

The conjugated estrogen market can be segmented by type, including tablets, creams, and other formulations. Tablets, such as those containing SCE-A, have a significant impact on the market due to their ease of administration and patient compliance. The tablet segment is expected to account for a large share of the global conjugated estrogen market[5].

Regional Analysis

The global conjugated estrogen market is geographically diverse, with different regions contributing to the overall market size. North America and Europe are expected to dominate the market due to higher awareness and adoption of hormone replacement therapy (HRT) among postmenopausal women. However, emerging markets in Asia-Pacific are also expected to grow rapidly due to increasing healthcare expenditure and awareness about menopausal symptoms[5].

Key Factors Affecting the Market

Several factors influence the conjugated estrogen market:

  • Increasing Prevalence of Menopause: The growing population of postmenopausal women drives the demand for conjugated estrogens.
  • Advancements in Formulations: Improvements in drug formulations, such as the development of plant-derived estrogens, attract more patients and healthcare providers.
  • Regulatory Environment: Changes in regulatory guidelines and safety warnings can impact market dynamics.
  • Competitor Analysis: The presence of various brands and generic options affects market competition and pricing strategies[5].

Market Projections

Forecasted Growth

The conjugated estrogen market is projected to grow at a significant Compound Annual Growth Rate (CAGR) from 2025 to 2031. This growth is driven by increasing demand for HRT, advancements in drug formulations, and expanding healthcare infrastructure in emerging markets[5].

Regional Dominance

North America and Europe are expected to continue dominating the market, but the Asia-Pacific region is anticipated to show rapid growth due to demographic changes and increasing healthcare spending[5].

Technological Trends

The market is likely to see advancements in drug delivery systems, such as transdermal patches and vaginal rings, which could further enhance patient compliance and efficacy. Additionally, research into safer and more targeted estrogen therapies may drive innovation in the market[5].

Key Takeaways

  • Clinical Efficacy: SCE-A is effective in treating moderate to severe vasomotor symptoms and vulvovaginal atrophy.
  • Safety Concerns: Estrogen therapy is associated with risks such as breast cancer, cardiovascular events, and dementia.
  • Market Growth: The global conjugated estrogen market is expected to grow significantly, driven by increasing demand and advancements in formulations.
  • Regional Dynamics: North America and Europe will continue to dominate, but the Asia-Pacific region will show rapid growth.

FAQs

What are the primary indications for Synthetic Conjugated Estrogens A?

Synthetic Conjugated Estrogens A are primarily indicated for the treatment of moderate to severe vasomotor symptoms and vulvovaginal atrophy associated with menopause.

What are the key components of Synthetic Conjugated Estrogens A?

SCE-A is a blend of nine synthetic estrogenic substances, including estrone sulfate, sodium equilin sulfate, and others, derived from plant sources.

What are the major risks associated with estrogen therapy?

Major risks include increased risk of breast cancer, cardiovascular events, stroke, and dementia, particularly in older postmenopausal women.

Which region is expected to dominate the global conjugated estrogen market?

North America and Europe are expected to dominate the market, but the Asia-Pacific region is anticipated to show rapid growth.

What factors drive the growth of the conjugated estrogen market?

The growth is driven by the increasing prevalence of menopause, advancements in drug formulations, and expanding healthcare infrastructure in emerging markets.

Cited Sources

  1. Synapse: Estrogens, Conjugated Synthetic A - Drug Targets, Indications, Patents.
  2. DrugBank: Synthetic Conjugated Estrogens, A.
  3. FDA: PREMARIN (conjugated estrogens) Vaginal Cream.
  4. Pfizer Medical Information: PREMARINĀ® (conjugated estrogens) Clinical Studies.
  5. Cognitive Market Research: Conjugated Estrogen Market Report 2024 (Global Edition).

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