Levonorgestrel News and Research

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IUD insertion does not increase risk of pelvic inflammatory disease in women

The risk of developing pelvic inflammatory disease (PID) following insertion of an intrauterine device (IUD) is very low, whether or not women have been screened beforehand for gonorrhea and chlamydia, according to a joint study of nearly 60,000 women by researchers at the University of California, San Francisco (UCSF), and Kaiser Permanente Northern California Division of Research.

21 Nov 2012

Drospirenone-containing birth control pills associated with increased risk of blood clots

A U.S. Food and Drug Administration-funded study led by the Kaiser Permanente Northern California Division of Research found an increased risk of arterial thrombotic events (ATE) and venous thromboembolic events (VTE) - commonly referred to as blockage of arteries and blood clots, respectively - associated with drospirenone-containing birth control pills compared to four low-dose estrogen combined hormonal contraceptives.

20 Oct 2012

Transvaginal ultrasound effective in treating early-stage endometrial cancer

A common birth control device is effective in treating early-stage endometrial cancer in morbidly obese and high-risk surgery patients, said Georgia Health Sciences University Cancer Center researchers, and could lead to a cost-effective treatment for all women with this cancer type.

17 Oct 2012

Contraceptive patch suppresses ovulation in obese, nonobese women

Use of a novel transdermal contraceptive patch suppresses ovulation in obese and nonobese women, research shows.

12 Oct 2012

FDA accepts Teva's NDA for Quartette oral contraceptive

Teva Women's Health, Inc., a U.S.-based subsidiary of Teva Pharmaceutical Industries Ltd., today announced that the U.S. Food and Drug Administration has accepted for filing its New Drug Application for Quartette (levonorgestrel/ethinyl estradiol tablets and ethinyl estradiol tablets).

13 Aug 2012

FDA approves Watson's ANDA for Next Choice ONE DOSE emergency contraceptive

Watson Pharmaceuticals, Inc. today announced that its subsidiary Watson Laboratories, Inc., has received approval from the United States Food and Drug Administration (FDA) for its Abbreviated New Drug Application (ANDA) for Next Choice ONE DOSE (Levonorgestrel Tablet, 1.5 mg), the generic equivalent to Teva Women's Health's Plan B One-Step. Watson plans to launch the product immediately.

13 Jul 2012

Teva announces new data from women's health franchise

Teva Women's Health today announced new data from the Company's expanding women's health franchise will be featured at the 60th Annual Clinical Meeting of the American Congress of Obstetricians and Gynecologists (ACOG) in San Diego, California, May 5-9, 2012.

5 May 2012

Bayer announces updated labels for drospirenone-containing COCs in the U.S.

In agreement with the U.S. Food and Drug Administration (FDA), Bayer HealthCare Pharmaceuticals Inc. today announced that it has updated the labels for its drospirenone-containing combination oral contraceptives (COCs) in the United States.

11 Apr 2012

Morning after pills difficult for teenagers to procure

Quite a few U.S. pharmacies may give teen girls incorrect information over the phone about whether they can get the morning-after pill. The pill is a form of emergency contraception taken within 72 hours after unprotected sex to prevent pregnancy without a prescription, a new study suggests.

27 Mar 2012

HHS: Plan B access will stay limited

The Department of Health and Human Services announced today that the morning-after pill, known as Plan B, will continue to be kept behind the pharmacy counter and girls younger than 17 will continue to need a prescription to obtain it.

8 Dec 2011

Watson introduces Amethia Lo and ethinyl estradiol tablets

Watson Pharmaceuticals, Inc. today announced that under a settlement with Teva Women's Health, Watson has launched Amethia Lo (levonorgestrel/ethinyl estradiol (0.1mg/0.02mg) and ethinyl estradiol (0.01mg)) tablets, the generic equivalent of Teva Women's Health, Inc.'s LoSEASONIQUE.

8 Dec 2011

Oral hormonal contraceptives linked to blood clots: Study

A new study has shown that women who use new type of contraceptive pills are twice as likely to develop life threatening blood clots as those who take older versions. Oral hormonal contraceptives have been known to increase the risk of a blood clot in deep leg veins, known as venous thromboembolism (VTE). These can prove fatal if they travel to the lungs. But, researchers at the University of Copenhagen, Denmark, found the “third-generation” pills are doubly harmful than the older versions.

30 Oct 2011

FDA: Study suggests increased risk of blood clots from drospirenone-containing contraceptives

On Monday, the United States Food and Drug Administration ("FDA") said its primary results of an agency funded study suggest a 1.5 fold increase risk of blood clots for women who use drospirenone-containing birth control products, such as Yaz and Yasmin.

28 Sep 2011

Watson Pharmaceuticals confirms SEASONIQUE patent challenge

Watson Pharmaceuticals, Inc., a leading integrated global pharmaceutical company, today confirmed that the United States District Court for the District of Nevada denied Duramed Pharmaceuticals, Inc.'s request for a preliminary injunction and request for a temporary restraining order preventing Watson's launch of generic SEASONIQUE and ethinyl estradiol.

18 Jun 2011

Safety of birth control pills under scrutiny

Bayer’s oral contraceptive pills are being reviewed by regulators after some studies suggested they may cause more blood clots than competing medicines.

5 Jun 2011

Birth control pill safety issues raised

The U.S. Food and Drug Administration (FDA) has announced that it is looking at results from two studies that showed there is a higher risk of blood clots in women taking new birth control pills containing the compound drospirenone. Some brand names include Yaz, Yasmin, Beyaz, Ocella, Loryna, Gianvi, Safyral, Syeda and Zarah.

1 Jun 2011

Sosei to introduce NorLevo oral emergency contraceptive in Japan

Sosei Group Corporation, the biopharmaceutical company, today announced that Sosei Co., Ltd., its wholly owned Japanese subsidiary, will launch its emergency contraceptive pill, NorLevo(R) TABLETS 0.75mg, tomorrow 24 May, through the distribution network of its commercialization partner, ASKA Pharmaceutical Co., Ltd.

23 May 2011

Newer birth control pill raises risk of blood clots

Two human trials in the US and the UK including women from both populations showed that women taking newer forms of oral contraceptives, which include drosperinone, a synthetic version of the hormone progesterone, increased their risk of developing a blood clots by two or three times over those taking older birth control pills that rely on a different form of the hormone known as levonorgestrel.

26 Apr 2011

Bayer's oral contraceptives may increase risk of blood clots, stroke or heart attack

Bayer HealthCare Pharmaceuticals, Inc. is aware of two studies published today in The British Medical Journal, ONLINE FIRST.

25 Apr 2011

Bayer's birth control pills may increase risk of venous thromboembolism

The following release is being issued by law firms RodaNast, P.C.; Levin, Fishbein, Sedran & Berman and Feldman & Pinto: According to two new studies published in the online edition of the British Medical Journal, Bayer's birth control pills Yaz and Yasmin, containing a new progestin drospirenone, carry up to triple the risk of serious blood clots over traditional pills containing the progestin levonorgestrel.

25 Apr 2011