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Bazedoxifene-Conjugated Estrogens for Treating Endometriosis
Valerie A Flores1, Nina S Stachenfeld, Hugh S Taylor
1Department of Obstetrics, Gynecology, and Reproductive Sciences and the John B. Pierce Laboratory, Yale School of Medicine, New Haven, Connecticut.
Bazedoxifene with conjugated estrogens offers a potential new treatment for endometriosis, a common gynecologic disorder. This combination therapy effectively reduced pelvic pain in a patient with stage III endometriosis without adverse effects.
Area of Science:
- Gynecology
- Reproductive Medicine
- Pharmacology
Background:
- Endometriosis affects 6-10% of women of reproductive age.
- Current progestin-based therapies have high failure rates and side effects.
- Bazedoxifene with conjugated estrogens (B/CE) shows promise based on animal studies.
Observation:
- A patient with stage III endometriosis experienced dysmenorrhea and cyclic pelvic pain.
- The patient was treated with 20 mg B/CE daily for over six months.
- Pelvic pain resolution was observed during treatment.
Findings:
- Daily B/CE treatment led to complete resolution of pelvic pain.
- No adverse effects on hormonal, uterine, or ovarian parameters were noted.
- This suggests B/CE is a well-tolerated treatment option.
Implications:
- Bazedoxifene with conjugated estrogens may be an effective alternative to current endometriosis treatments.
- Further clinical trials are warranted to confirm efficacy and safety.
- This could lead to improved management of endometriosis-related pain.
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