• Jessica Weaver, Sreya Chakladar, Kirti Mirchandani, and LiuZhiwenZMerck & Co., Inc., Kenilworth, New Jersey, USA..
• Merck & Co., Inc., Kenilworth, New Jersey, USA.
• J Womens Health (Larchmt). 2022 Jul 1; 31 (7): 1003-1011.

AbstractBackground: Many women with endometriosis experience chronic abdominal pain. Clinical guidelines recommend treatment with analgesics, contraceptive hormones, gonadotropin-releasing hormone analogs, and surgery. Treatment patterns in women with endometriosis are not well characterized. Methods: Data from the IBM® MarketScan® Commercial Database were accessed from 2009 to 2017. One-year baseline and follow-up periods were defined around the date of the first claim with a diagnosis of endometriosis (the index date). Women 18-49 years of age on the index date with a diagnosis of endometriosis, continuous enrollment during baseline and follow-up, and pharmacy benefits were included. The following outcomes were analyzed descriptively: baseline comorbidities; medication use and surgeries; and sequence of treatment utilization in the baseline and the follow-up period. Results: A total of 190,921 women were included. The mean ± (standard deviation) age was 39.0 ± (7.3), and abdominal/pelvic pain (36.0%) and excessive or frequent menstruation (32.0%) were the most prevalent comorbidities. In the baseline period, the utilization of pharmacological treatment was: estrogen/progestin 42.5%, opioids 41.5%, and nonsteroidal anti-inflammatory drugs (NSAIDs) 37.5%. In the follow-up period, utilization of opioids and NSAIDs increased to 68.9% and 51.1%, respectively, whereas the use of estrogen/progestin dropped to 23.8%. Surgeries were infrequent in the baseline period (6.3%). However, in the follow-up period, 27.9% of women underwent laparoscopy and 29.7% had a hysterectomy, with a total of 68.1% of the study population undergoing surgical treatment. Conclusions: A diagnosis of endometriosis is accompanied by an increase in the use of analgesics and surgical procedures. The diversity of treatments suggests a lack of clarity in management guidelines.

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