Enzalutamide Dosage

The information at Drugs.com is not a substitute for medical advice. ALWAYS consult your doctor or pharmacist.

Usual Adult Dose for:

Additional dosage information:

Usual Adult Dose for Prostate Cancer

160 mg (four 40 mg capsules) orally once a day

Use: Metastatic castration-resistant prostate cancer

Renal Dose Adjustments

Mild or moderate renal impairment: No adjustment recommended.
Severe renal impairment or end-stage renal disease: Caution recommended.

Liver Dose Adjustments

Mild hepatic impairment (Child-Pugh A): No adjustment recommended.
Moderate hepatic impairment (Child-Pugh B): Caution recommended.
Severe hepatic impairment (Child-Pugh C): Not recommended.

Dose Adjustments

Grade 3 or more toxicity or intolerable side effect:
-Withhold dosing for one week or until symptoms improve to Grade 2 or less, then resume at usual dose or reduce dose to 120 mg or 80 mg if necessary.

Strong CYP450 2C8 inhibitors:
-Avoid concomitant use. If concomitant use is necessary, reduce dose to 80 mg and return to the prior dose if the strong CYP450 2C8 inhibitor is discontinued.

Precautions

Safety and efficacy have not been established in patients younger than 18 years.

Consult WARNINGS section for additional precautions.

Dialysis

Data not available.

Other Comments

Administration advice:
-Take with or without food.
-Swallow capsules whole with water. Do not chew, dissolve, or open the capsules.

Patient advice:
-This drug is not indicated for use in women. Fetal harm may occur with this drug; avoid pregnancy during treatment. If pregnancy occurs, contact your doctor immediately.
-If your sexual partner is pregnant, you must use a condom during and for 3 months after treatment with this drug. If your sexual partner has the possibility of becoming pregnant, you must use a condom and another form of birth control during and for 3 months after treatment with this drug. Talk with your doctor if you have questions about birth control.
-Due to risk of seizure associated with this drug, tell your doctor if you have a history of seizures or any other predisposing factors, including but not limited to brain injury, stroke, or brain tumors.
-Due to risk of seizure associated with this drug, avoid activities where a sudden loss of consciousness could cause serious harm to yourself or others.
-This drug may cause side effects including but not limited to fatigue, back pain, diarrhea, infections, dizziness, falls, and problems thinking clearly. Tell your doctor if you have any side effect that bothers you or does not go away.

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