Osteoporosis Drug Lasofoxifene May "Fight" Several Diseases But Increases Risk of Blood Clots

Lasofoxifene is a part of a class of drugs known as nonsteroidal selective estrogen-receptor modulators (SERMs). It has already been shown to decrease the bone loss associated with osteoporosis, like other SERMs, including tamoxifen and raloxifene. But until now its effect on other health conditions commonly experienced by postmenopausal women was unknown.

The women who took lasofoxifene had an 81% lower risk of estrogen-receptor (ER) positive breast cancer, a 32% lower risk of heart-related events like heart attack, and a 36% lower risk of stroke. "This is the first SERM that reduces the risk of all of these conditions at once."

However, not all the results were positive. As with other SERMs, women taking lasofoxifene had double to nearly three times the risk of experiencing a serious blot clot of the deep veins.

Osteoporosis Drug May Fight Several Diseases. WebMD, 2010.
Image source: Flickr, Creative Commons license.

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