How Does Oriahnn Treatment Alleviate Uterine Fibroid Symptoms?
Fibroids mainly affect women during their reproductive years and usually shrink after menopause. Many women with fibroids have no symptoms and need no treatment. For those with heavy menstrual bleeding, Oriahnn is one medication option.
Oriahnn is FDA-approved to treat heavy menstrual bleeding caused by uterine fibroids in premenopausal women. Here is how it works, what it can and cannot do, and how it fits alongside surgery.
Who benefits from Oriahnn?
Oriahnn is for premenopausal women whose fibroids cause heavy menstrual bleeding. These non-cancerous growths can cause long, heavy periods that lead to iron deficiency and disrupt daily life.
In the main clinical trials, roughly 7 in 10 women taking Oriahnn met the goal of much lighter bleeding after six months, compared with about 1 in 10 taking a placebo. For some women, controlling bleeding this way can delay or avoid surgery. It does not remove the need for surgery in everyone.
How does Oriahnn work?
Oriahnn is taken as two capsules a day. The morning capsule contains elagolix, estradiol, and norethindrone acetate. The evening capsule contains elagolix alone.
- Elagolix is a GnRH antagonist. It blocks signals from the pituitary gland to the ovaries, lowering estrogen and progesterone. That keeps the uterine lining thin and reduces bleeding.
- Estradiol, a low dose of estrogen identical to the body’s own, is "add-back" therapy that limits bone loss and hot flashes.
- Norethindrone acetate, a progestin, protects the uterine lining from the effects of estrogen.
What Oriahnn does not do
Oriahnn treats bleeding. It does not meaningfully shrink fibroids, and it is not approved to treat fibroid pain or pressure. It is also not the same as Orilissa, which contains elagolix alone and is approved for endometriosis pain.
How does Oriahnn relate to surgery?
Oriahnn is not approved to shrink fibroids or reduce their blood supply before surgery, or to prevent fibroids from coming back after surgery. Its role around surgery is narrower:
- While waiting for surgery, it can control heavy bleeding, giving time to rebuild iron levels.
- Instead of surgery, for some women, especially those approaching menopause, it can control bleeding until fibroids naturally shrink.
When the goal is to shrink fibroids before surgery, surgeons sometimes use a different medicine, a GnRH agonist such as leuprolide, for a few months. That approach has its own side effects and trade-offs.
Is Oriahnn a cure?
No. Oriahnn controls bleeding while you take it. Bleeding usually returns after stopping, and use is limited to 24 months. For long-term management, you and your clinician may consider other options.
Important safety information
- Oriahnn has a boxed warning for blood clots and vascular events, such as stroke and heart attack. It should not be used by women at high risk of these, including women over 35 who smoke.
- Use is limited to 24 months because of bone density loss.
- It should not be used by women with osteoporosis, known or suspected breast or other hormone-sensitive cancer, significant liver disease, or abnormal uterine bleeding that has not been evaluated. It also interacts with certain medications, such as cyclosporine and gemfibrozil.
- It can make pregnancy harder to recognize. Use non-hormonal contraception as directed.
- Mood changes, including depression, have been reported.
This is not the complete safety information. Review the full prescribing information with your clinician.
The bottom line
If fibroids cause you heavy menstrual bleeding, Oriahnn can reduce it and improve your quality of life. It does not shrink or cure fibroids, and it is not right for everyone.
Your clinician can help you compare all your options. These include other medications, such as tranexamic acid, the levonorgestrel IUD, or Myfembree. They also include procedures such as myomectomy, uterine artery embolization (UAE), radiofrequency ablation, MRI-guided focused ultrasound surgery (MRgFUS), and hysterectomy.
Sources
- ORIAHNN (elagolix, estradiol, and norethindrone acetate capsules; elagolix capsules). U.S. Prescribing Information. Current version.
- American College of Obstetricians and Gynecologists. Practice Bulletin No. 228: Management of symptomatic uterine leiomyomas. Obstet Gynecol. 2021;137(6):e100–e115.