Elagolix

Generic name: Elagolix
Brand names: Orilissa
Dosage form: oral tablet
Drug class: Gonadotropin-releasing hormone antagonists

Usage of Elagolix

Elagolix belongs to a class of drugs called gonadotropin-releasing hormone (GnRH) receptor antagonist. It is an oral tablet used to help treat pain caused by endometriosis.

Endometriosis is a condition where tissue that should line the uterus or womb, grows outside of the uterus forming lesions. It affects about 1 in 10 women of reproductive age.

During your menstrual cycle these lesions grow in response to rising levels of a hormone called estrogen, then they break down and shed during your period. This can cause pain throughout your cycle.

Elagolix helps to reduce the pain you experience by reducing the amount of estrogen you produce that encourages the lesions to grow. Elagolix works by binding to GnRH receptors in the pituitary gland, which suppresses luteinizing hormone (LH) and follicle-stimulating hormone (FSH) and leads to a decrease in estrogen.

Elagolix side effects

Elagolix can cause serious side effects including:

  • See “Important information”
  • suicidal thoughts, suicidal behavior, and worsening of mood. elagolix may cause suicidal thoughts or actions. Call your healthcare provider or get emergency medical help right away if you have any of the following symptoms, especially if they are new, worse, or bother you:
  • thoughts about suicide or dying
  • attempts to commit suicide
  • new or worse depression
  • new or worse anxiety
  • other unusual changes in behavior or mood
  • abnormal liver tests. Call your healthcare provider right away if you have any of these signs and symptoms of liver problems:
  • yellowing of the skin or the whites of the eyes (jaundice)
  • dark amber-colored urine
  • feeling tired (fatigue or exhaustion)
  • nausea and vomiting
  • generalized swelling
  • right upper stomach area (abdomen) pain
  • bruising easily

    • You or your caregiver should pay attention to any changes, especially sudden changes in your mood, behaviors, thoughts, or feelings.

    The most common side effects of elagolix include: hot flashes and night sweats, headache, nausea, difficulty sleeping, absence of periods, anxiety, joint pain, depression and mood changes.

    These are not all the possible side effects of elagolix. Call your doctor for medical advice about side effects.

    You may report side effects to FDA at 1-800-FDA-1088.

    Before taking Elagolix

  • Do not take elagolix if you are trying to become or are pregnant. It may increase the risk of early pregnancy loss.
  • If you think you are pregnant, stop taking elagolix right away and call your healthcare provider.
  • If you become pregnant while taking elagolix, you are encouraged to enroll in the Pregnancy Registry. The purpose of the pregnancy registry is to collect information about the health of you and your baby. Talk to your healthcare provider or call 1-833-782-7241 to enroll in this registry.
  • Elagolix may change your menstrual periods (irregular bleeding or spotting, a decrease in menstrual bleeding, or no bleeding at all), making it hard to know if you are pregnant. Watch for other signs of pregnancy such as breast tenderness, weight gain and nausea.
  • Elagolix does not prevent pregnancy. You will need to use effective methods of birth control while taking elagolix and for 28 days after you stop taking elagolix. Examples of effective methods can include condoms or spermicide, which do not contain hormones.
  • Birth control pills that contain estrogen may make elagolix less effective. It is not known how well elagolix will work while you are taking progestin-only birth control such as injections or implants.
  • Talk to your healthcare provider about which birth control to use during treatment with elagolix. Your healthcare provider may change the birth control you were on before you start taking elagolix.
  • Talk to your healthcare provider if you are breastfeeding or plan to breastfeed. It is not known if elagolix passes into your breastmilk. Talk to your healthcare provider about the best way to feed your baby if you take elagolix.

    • Relate drugs

    How to use Elagolix

    Two dosing regimens are available:

  • Elagolix 150mg once daily for up to 24 months
  • Elagolix 200mg twice daily for up to 6 months
  • See Full Prescribing Information for further details.

    • Warnings

    Elagolix may cause serious side effects, including:

  • bone loss (decreased bone mineral density).
  • While you are taking elagolix, your estrogen levels will be low. Low estrogen levels can lead to bone mineral density loss.
  • If you have bone loss on elagolix, your bone density may improve after you stop taking elagolix but complete recovery may not occur. It is unknown if these bone changes could increase your risk for broken bones as you age. For this reason, your healthcare provider may limit the length of time you take elagolix.
  • Your healthcare provider may advise you to take vitamin D and calcium supplements as part of a healthy lifestyle that promotes bone health.
  • If you have conditions or take other medicines that can cause bone loss, or if you have broken a bone with minimal or no injury, your healthcare provider may order an X-ray test called a DXA scan to check your bone mineral density.
  • effects on pregnancy
  • Do not take elagolix if you are trying to become or are pregnant. It may increase the risk of early pregnancy loss.
  • If you think you are pregnant, stop taking elagolix right away and call your healthcare provider.
  • If you become pregnant while taking elagolix, you are encouraged to enroll in the Pregnancy Registry. The purpose of the pregnancy registry is to collect information about the health of you and your baby. Talk to your healthcare provider or call 1-833-782-7241 to enroll in this registry.
  • elagolix may change your menstrual periods (irregular bleeding or spotting, a decrease in menstrual bleeding, or no bleeding at all), making it hard to know if you are pregnant. Watch for other signs of pregnancy such as breast tenderness, weight gain and nausea.
  • elagolix does not prevent pregnancy. You will need to use effective methods of birth control while taking elagolix and for 28 days after you stop taking elagolix. Examples of effective methods can include condoms or spermicide, which do not contain hormones.
  • Birth control pills that contain estrogen may make elagolix less effective. It is not known how well elagolix will work while you are taking progestin-only birth control such as injections or implants.
  • Talk to your healthcare provider about which birth control to use during treatment with elagolix. Your healthcare provider may change the birth control you were on before you start taking elagolix.

    • What other drugs will affect Elagolix

    Tell your healthcare provider about all the medicines you take, including prescription and over-the-counter medicines, vitamins, and herbal supplements.

    Especially tell your healthcare provider if you take:

  • birth control that contains hormones. Your healthcare provider may advise you to change your method of birth control.

    • Know the medicines you take. Keep a list of your medicines with you to show to your healthcare provider and pharmacist when you get a new medicine.

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