Endometriosis:
Indications for ORILISSA:
Moderate to severe pain associated with endometriosis.
Adult:
Exclude pregnancy prior to starting or begin within 7 days from onset of menses. Use lowest effective dose. Initiate at 150mg once daily for up to 24 months. If dyspareunia: consider initiating with 200mg twice daily for up to 6 months. Concomitant strong CYP3A inhibitors, rifampin, or if moderate hepatic impairment: limit to 150mg once daily for up to 6 months.
Children:
<18yrs: not established.
Contraindications:
Pregnancy. Osteoporosis. Severe hepatic impairment. Concomitant strong OATP 1B1 inhibitors (eg, cyclosporine, gemfibrozil).
Warnings/Precautions:
Risk of decrease in bone mineral density (BMD). Consider BMD assessment if history of low-trauma fracture or other risk factors for osteoporosis or bone loss; supplementation with calcium and Vit.D may be beneficial. Reduced ability to recognize pregnancy. Perform pregnancy testing if suspected; discontinue if confirmed. History of suicidality or depression. Evaluate in patients with new onset or worsening depression, anxiety, mood changes. Evaluate if signs/symptoms of liver injury (eg, jaundice, elevated liver tests) occurs. Advise women to use non-hormonal contraceptives during therapy and for 1 week after discontinuation. Nursing mothers.
Pharmacologic Class:
GnRH antagonist.
Interactions:
See Adults and Contraindications. May potentiate P-gp substrates (eg, digoxin; monitor), CYP2C19 substrates (eg, omeprazole; limit doses to ≤40mg daily). May antagonize CYP3A substrates. Antagonizes oral midazolam, rosuvastatin: consider increasing their doses. May be antagonized by CYP3A inducers. Reduced efficacy with estrogen-containing contraceptives.
Adverse Reactions:
Hot flushes, night sweats, headache, nausea, insomnia, amenorrhea, anxiety, arthralgia, depression-related adverse reactions, mood changes; bone loss, elevated hepatic transaminase.
Generic Availability:
NO
How Supplied:
Tabs 150mg—28; 200mg—56
