The first endometriosis drug in four decades is on the horizon
At last, progress is being made on a condition that affects one woman in ten
In 1690 Daniel Schrön, a German physician, described a patient with “ulcers” throughout her peritoneum, bladder, intestines, uterus and cervix. It was long thought to be the first documented appearance in medical literature of endometriosis, a painful and debilitating gynaecological condition that today affects as many as 190m women worldwide.
Uteruses are lined with the endometrium, a layer of tissue that thickens during a menstrual cycle. If a fertilised egg does not become implanted, the lining thins and is shed as a period. If endometrial tissue grows abnormally outside the uterus, however, it can cause havoc. In extreme cases of endometriosis, adhesions can “bind” a woman’s organs together—from ovaries to bladder to bowels—and freeze them in place. Milder cases come with severe pain, heavy menstruation, inflammation and scar tissue caused by internal bleeding, fatigue and infertility. There is no known cure, and treatment focuses on controlling symptoms, normally through some combination of hormonal birth control, pain relief or surgery.
This article appeared in the Science & technology section of the print edition under the headline "A long and winding road"
Science & technology February 10th 2024
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