APREPITANT (FOSAPREPITANT)

(Emend, Emend IV)

Standard Prescription

aprepitant__mg PO___ on day(s) __ of chemotherapy

fosaprepitant    _ mg IV x 1 dose on day 1 of chemotherapy

Dosages

Prophylaxis of chemotherapy induced nausea and vomiting (Age > 6 mos)
3 mg/kg/dose (Max 125 mg/dose) PO on day 1 of chemotherapy, then 2 mg/kg/dose (Max 80 mg/dose) PO on days 2 and 3 of chemotherapy

Mechanism of Action

Antiemetic, NK1 or Substance P (SP) antagonist

Forms Supplied

Capsule: 40 mg, 80 mg, 125 mg

Suspension (BCCH):
20 mg/mL

Comments

For prophylaxis of chemotherapy induced nausea and vomiting in patients receiving highly emetogenic chemotherapy, who cannot receive dexamethasone, or who have a history of refractory nausea and vomiting with chemotherapy.

Possible adverse effects: hiccups, drowsiness, weakness, loss of appetite, headache, diarrhea or constipation, and increased liver enzymes.

Drug interactions may necessitate dose adjustment of corticosteroids and other medications metabolized by CYP 3A4.

Caution should be used if administering with ifosfamide due to risk of neurotoxicity.

References

163, 349, 409

Last Edited

2021-11-08 19:04:12