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.

Sex hormones may affect atherosclerosis

Naturally produced sex hormones may influence the risk and progression of atherosclerosis, or hardening of the arteries, Johns Hopkins researchers report in a recent study.

11 Nov 2008

Sun-damaged skin does not improve with estrogen treatments

Treating the skin with estrogen can stimulate collagen production-which improves the appearance of the skin-in areas not typically exposed to the sun, according to new research from the University of Michigan Health System.

15 Sep 2008

Sex hormones link to heart risk

Men are more prone to - and likely to die of - heart disease compared with women of a similar age - and sex hormones are to blame, according to a new University of Leicester led study.

1 Sep 2008

Oestrogen - a beneficial addition to treatment of schizophrenia in women

Australian scientists have found that women suffering from schizophrenia were less likely to suffer hallucinations or delusions, when the hormone oestrogen was added to their treatment.

4 Aug 2008

Chronic exposure to estrogen impairs some cognitive functions

University of Illinois researchers report this week that chronic exposure to estradiol, the main estrogen in the body, diminishes some cognitive functions. Rats exposed to a steady dose of estradiol were impaired on tasks involving working memory and response inhibition, the researchers found.

3 Aug 2008

Sleep and menopause

Difficulty falling asleep and staying asleep increase as women go through menopause according to research by Rush University Medical Center. Waking up earlier than planned also increases through late perimenopause but decreases when women become postmenopausal. The study is published in the July 1 issue of the journal SLEEP.

1 Jul 2008

Barr and Bayer sign agreements for launch of generic Yasmin and Yaz oral contraceptives

Barr Laboratories, Inc. has entered into supply and licensing agreements with Bayer for generic versions of Bayer's Yasmin (drospirenone and ethinyl estradiol) and Yaz (drospirenone and ethinyl estradiol) oral contraceptive products.

24 Jun 2008

EntreMed receives new patent for 2-Methoxyestradiol analogs

EntreMed, Inc. has announced the issuance of U.S. Patent No. 7,371,741 covering analogs of 2- methoxyestradiol (2ME2).

11 Jun 2008

Flow of potassium ions in brain cells is key to sexual arousal

When it comes to sex, a female rat knows how to avoid a communication breakdown. To announce her sexual readiness, she will automatically arch her back, deflect her tail and stand rigid to allow an aroused male to mount.

3 Jun 2008

Barr announces approval of generic version of Yasmin (drospirenone and ethinyl estradiol)

Barr Pharmaceuticals, Inc. has announced that its subsidiary, Barr Laboratories, Inc., has received final approval from the U.S. Food and Drug Administration (FDA) for its Abbreviated New Drug Application (ANDA) to manufacture and market a generic version of Yasmin (drospirenone and ethinyl estradiol), an oral contraceptive product manufactured and marketed by Bayer Schering Pharma, AG.

9 May 2008

Oestrogen works for women the way testosterone does for men

Collaboration by American and German scientists has revealed that the sex hormone oestrogen increases a women's competitiveness.

5 May 2008

Breastfeeding during anti-epilepsy drug treatment does not appear to harm a child's cognitive development

A first of its kind study finds breastfeeding while taking certain seizure medications does not appear to harm a child's cognitive development. The research will be presented at the upcoming American Academy of Neurology 60th Anniversary Annual Meeting in Chicago, April 12-19, 2008.

17 Apr 2008

Watson Pharmaceuticals files application for generic LYBREL

Watson Pharmaceuticals, Inc. has confirmed that it has filed an Abbreviated New Drug Application (ANDA) with the U.S. Food and Drug Administration (FDA) seeking approval to market its Levonorgestrel and Ethinyl Estradiol tablets, USP (0.09 mg/0.02 mg) extended-cycle oral contraceptive product prior to the expiration of patents owned by Wyeth.

14 Mar 2008

Long-term effects of synthetic progestins cause for concern

The widely used synthetic progestin medroxyprogesterone acetate (MPA) decreased endothelial function in premenopausal women in a study done at the University of Oregon.

11 Mar 2008

Watson Pharmaceuticals files application for generic SEASONIQUE

Watson Pharmaceuticals, Inc. has confirmed that it has filed an Abbreviated New Drug Application (ANDA) with the U.S. Food and Drug Administration (FDA) seeking approval to market its levonorgestrel and ethinyl estradiol (0.15 mg/0.03 mg) extended-cycle oral contraceptive product, prior to the expiration of patents owned by Duramed Pharmaceuticals, Inc., a subsidiary of Barr Pharmaceuticals, Inc.

6 Mar 2008

Estradiol hormone protects against hearing loss

The "female sex hormone" estradiol is present in both men and women, and is generated from testosterone in men by the protein aromatase.

4 Mar 2008

Barr Pharmaceuticals announces favorable ruling in Yasmin patent case

Barr Pharmaceuticals, Inc. has announced that the U.S. District Court for the District of New Jersey has ruled in favor of its subsidiary, Barr Laboratories, Inc., in the challenge of the patent listed by Bayer Schering Pharma, AG in connection with Bayer Schering's Yasmin(R) (drospirenone and ethinyl estradiol) oral contraceptive.

4 Mar 2008

Extra warning of blood clot risk with contraceptive skin patch

Drug regulators in the United States have granted approval for an additional warning to be added to the label of a popular contraceptive patch.

21 Jan 2008

Label change for Ortho Evra Contraceptive Transdermal Patch

The U.S. Food and Drug Administration (FDA) has approved additional changes to the Ortho Evra Contraceptive Transdermal (Skin) Patch label to include the results of a new epidemiology study that found that users of the birth control patch were at higher risk of developing serious blood clots, also known as venous thromboembolism (VTE), than women using birth control pills.

21 Jan 2008

Hormonal nutritional supplements might speed prostate cancer progression

Hormonal components in over-the-counter dietary supplements may promote the progression of prostate cancer and decrease the effectiveness of anti-cancer drugs, researchers at UT Southwestern Medical Center have discovered.

16 Jan 2008