USA

Essure birth control device tied to higher rates of pain and bleeding, FDA says

The device, pulled from the US market two years ago amid complaints about side-effects, is associated with higher rates of chronic lower abdominal or pelvic pain and abnormal uterine bleeding compared to surgical sterilization, an early study shows.
Interim results of the postmarket study that was ordered by the US Food and Drug Administration were released on Wednesday. The results show that, following each procedure, incidence of chronic lower abdominal or pelvic pain was reported among 9.1% in the Essure group and 4.5% in the tubal sterilization treatment group. Incidence of abnormal uterine bleeding was reported among 16.3% in the Essure group and 10.2% in the tubal sterilization treatment group, the study says.
The interim data also show that women fitted with Essure had higher rates of gynecologic surgical procedures -- including surgery to remove Essure -- than patients who had tubal ligation. Pregnancy rates were similar among patients with Essure and those who got tubal ligation, Dr. Terri Cornelison, director of the FDA's Health of Women Program, said in a statement.

A total of 1,128 women enrolled in the study at 60 investigational sites in the United States. There were 340 patients in the Essure group and 788 patients in the tubal sterilization group.

In 2016, the FDA ordered the pharmaceutical company Bayer to gather additional data on Essure's risks and benefits and to compare them with laparoscopic tubal ligation -- a procedure commonly referred to as having one's tubes tied.

Then in 2018, Bayer announced it would no longer distribute or sell the Essure device in the United States. The FDA required Bayer to extend its postmarket surveillance study from three to five years.

The FDA said a five-year follow-up of patients in the study is ongoing and patients are still completing one-year follow-up visits.

"Although Essure is no longer available for implantation in the U.S., the FDA remains committed to evaluating long-term safety information in women who have received the device, including data from an FDA-required postmarket surveillance study," Cornelison said.

"The FDA is working with Bayer, Essure's manufacturer, to modify its study to include an additional interim analysis at one year of follow up after patients' permanent birth control procedure -- this is earlier than the previously planned analysis at three years," Cornelison added. "We believe this change is important to continue to closely monitor patient outcomes and communicate about the results in a more meaningful way."

The FDA also noted that it continues to recommend that women who have been using Essure successfully to prevent pregnancy can and should continue to do so. Women who suspect the device may be related to symptoms they are experiencing, such as persistent pain, should talk to their doctor about what steps may be appropriate, according to the agency.

Removing the device comes with its own risks and the agency said patients should discuss the benefits and risks of any procedure with their health care providers before deciding on the best option for them.

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