Estradiol News and Research

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Estradiol is a sex hormone. Mislabelled the "female" hormone, it is also present in males; it represents the major estrogen in humans. Estradiol has not only a critical impact on reproductive and sexual functioning, but also affects other organs including the bones.

Results of Phase 3 clinical trial of contraceptive vaginal ring presented by Population Council

Today, the Population Council presented findings from a Phase 3 clinical trial that was designed to demonstrate the safety, efficacy, and acceptability of the Council's investigational one-year contraceptive vaginal ring (CVR).

16 Oct 2013

Sexual dysfunction ‘ignored in COPD’

Researchers say that physicians should address sexual issues in patients with chronic obstructive pulmonary disease as a matter of course, after finding that over three-quarters of men with the condition have some level of erectile dysfunction.

15 Oct 2013

FDA approves OTREXUP injection for adults with RA, children with active pJIA

Antares Pharma, Inc. today announced the approval of OTREXUP (methotrexate) injection by the U.S. Food and Drug Administration. OTREXUP is the first FDA approved subcutaneous methotrexate for once weekly self-administration with an easy-to-use, single dose, disposable auto injector.

14 Oct 2013

Researchers compare cardiovascular safety of two commonly used oral estrogen medications

The oral hormone therapy conjugated equine estrogens, which is used by women to relieve menopause symptoms, appears to be associated with increased risk for venous thrombosis (VT, blood clots) and possibly myocardial infarction (heart attack), but not ischemic stroke risk, when compared with the hormone therapy oral estradiol, according to a study published by JAMA Internal Medicine, a JAMA Network publication.

1 Oct 2013

Quartette tablets now available in U.S. for prevention of pregnancy

Teva Women's Health, a U.S. subsidiary of Teva Pharmaceutical Industries Ltd., today announced that the recently approved Quartette (levonorgestrel/ethinyl estradiol and ethinyl estradiol) tablets are now available via prescription in the U.S. for the prevention of pregnancy.

24 Sep 2013

Hormone replacement therapy formulations may cause different risks for stroke, heart attack

Post-menopausal women whose doctors prescribe hormone replacement therapy for severe hot flashes and other menopause symptoms may want to consider taking low doses of Food and Drug Administration-approved bioidentical forms of estrogen or getting their hormones via a transdermal patch.

20 Sep 2013

New information about how estrogens regulate memory formation

The loss of estrogens at menopause increases a woman's risk of dementia and Alzheimer's disease, yet hormone replacement therapy can cause harmful side effects.

19 Sep 2013

3-D structure of proteins show flame retardants can mimic estrogen hormones

By determining the three-dimensional structure of proteins at the atomic level, researchers at the National Institutes of Health have discovered how some commonly used flame retardants, called brominated flame retardants (BFRs), can mimic estrogen hormones and possibly disrupt the body's endocrine system. BFRs are chemicals added or applied to materials to slow or prevent the start or growth of fire.

20 Aug 2013

British post-menopausal women less likely to access appropriate treatment for vaginal atrophy

New data, published today in Menopause International, suggests that post-menopausal women in Britain are experiencing less sex, and less satisfying sex compared to their European and North American counterparts1, because they are considerably less likely to access appropriate treatment for a common, taboo condition called vaginal atrophy1.

20 Jun 2013

Research: Women's reproductive function may be tied to their immune status

New research indicates that women's reproductive function may be tied to their immune status. Previous studies have found this association in human males, but not females.

18 May 2013

USPTO issues Notice of Allowance on Antares Pharma's patent application for VIBEX QS device

Antares Pharma, Inc. announced that it has received a Notice of Allowance from the U.S. Patent Trade Office on a patent application for the VIBEX QuickShot device, the latest advancement in its proprietary line of VIBEX auto-injector systems.

5 Apr 2013

FDA approves Teva's Quartette tablets for prevention of pregnancy

Teva Pharmaceutical Industries Ltd. today announced that the U.S. Food and Drug Administration has approved Quartette (levonorgestrel/ethinyl estradiol and ethinyl estradiol) tablets for the prevention of pregnancy.

30 Mar 2013

Exposure to multiple estrogen-mimicking chemicals distorts hormone action

For years, scientists have been concerned about chemicals in the environment that mimic the estrogens found in the body. In study after study, researchers have found links between these "xenoestrogens" and such problems as decreased sperm viability, ovarian dysfunction, neurodevelopmental deficits and obesity.

29 Mar 2013

New way to predict woman’s final menstrual period

A new UCLA-led study suggests a way to predict when a woman will have her final menstrual period. The findings, published in the April issue of the peer-reviewed Journal of Clinical Endocrinology and Metabolism, could help women and physicians gauge the onset of menopause-related bone loss, which generally begins a year prior to the last period.

28 Mar 2013

Study: Hormone-therapy-related breast cancer cells can be attacked by cancer therapies

More than 100 women per day die from breast cancer in the United States. The odds of developing breast cancer increase for women taking hormone replacement therapy to avoid the effects of menopause.

28 Mar 2013

New formula could estimate timing of final menstrual period

For women enduring hot flashes and other symptoms of menopause, a new model could better estimate the timing of the final menstrual period, according to a recent study accepted for publication in The Endocrine Society's Journal of Clinical Endocrinology & Metabolism (JCEM).

26 Mar 2013

Endocrine Society issues position statement on estradiol measurement

In a Position Statement unveiled today, The Endocrine Society advocates that all methods for measuring estrogens, which play a crucial role in human biology, be made traceable to a common standard.

6 Mar 2013

FDA accepts Antares Pharma's New Drug Application for OTREXUP

Antares Pharma, Inc. today announced that the New Drug Application for OTREXUP, a potential new product for the subcutaneous delivery of methotrexate using Medi-Jet technology, has been accepted by the U.S. Food and Drug Administration indicating that the application is sufficiently complete to permit a substantive review.

27 Feb 2013

Study determines effectiveness of sewage lagoons at removing pharmaceuticals from wastewater

2012 marked the 40th anniversary of the Clean Water Act, which established regulations for the discharge of pollutants to waterways and supported the building of sewage treatment plants. Despite these advances, sewage remains a major source of pharmaceuticals and personal care products (PPCPs) and naturally occurring hormones found in the environment.

15 Feb 2013

Prediagnostic androgen level not linked to prostate cancer outcome

Low prediagnostic levels of circulating sex hormones are not associated with more aggressive disease in patients with prostate cancer, say US researchers.

28 Jan 2013