• Nausea

Emend Generic Name & Formulations

General Description

Aprepitant 80mg, 125mg; caps.

Pharmacological Class

Substance P/NK1 receptor antagonist.

How Supplied

Caps—6; Bi-fold pack (2 x 80mg)—1; Tri-fold pack (1 x 125mg + 2 x 80mg)—1; Susp kit—1 (w. oral dispensers, supplies); Single-dose vial—1


Generic Availability


Emend Indications


In combination with other antiemetic agents, in patients ≥12yrs of age for prevention of acute and delayed nausea and vomiting associated with initial and repeat courses of moderately to highly emetogenic cancer chemotherapy, including high-dose cisplatin.

Emend Dosage and Administration


Swallow caps whole. Chemotherapy induced: ≥12yrs: give with corticosteroid and 5-HT3 antagonist (see full labeling). 125mg on Day 1; then 80mg on Days 2 and 3. Administer caps 1 hr prior to chemotherapy on Days 1, 2, and 3; if no chemotherapy is given on Days 2 and 3, then administer caps in the AM.


Chemotherapy induced: <12yrs: use oral susp.

Emend Contraindications


Concomitant pimozide.

Emend Boxed Warnings

Not Applicable

Emend Warnings/Precautions


Not for chronic continuous use. Severe hepatic impairment. Injection: monitor for infusion site or hypersensitivity reactions; discontinue and treat appropriately if occur; do not reinitiate if symptoms (eg, flushing, erythema, dyspnea, hypotension, syncope) develop with first-time use. Avoid infusion into small veins or through a butterfly catheter. Elderly. Advise females of reproductive potential using hormonal contraceptives to use an effective alternative or back-up non-hormonal contraceptive (see Interactions). Pregnancy. Nursing mothers.

Emend Pharmacokinetics

See Literature

Emend Interactions


See Contraindications. Monitor, and caution with, CYP3A4 substrates, including chemotherapy agents (eg, ifosfamide, vinblastine, vincristine). Avoid concomitant moderate-to-strong CYP3A4 inhibitors (eg, azole antifungals, macrolides, nefazodone, ritonavir, nelfinavir, diltiazem) or strong CYP3A4 inducers (eg, carbamazepine, phenytoin, rifampin). Potentiates dexamethasone (reduce its dose by 50%), methylprednisolone (reduce its IV dose by 25% and its oral dose by 50%), midazolam, alprazolam, triazolam. May antagonize warfarin (closely monitor INR for 2 weeks after starting each regimen), other CYP2C9 substrates, oral contraceptives (use alternative or backup method during and for 1 month after last dose).

Emend Adverse Reactions

Adverse Reactions

Fatigue, diarrhea, asthenia, dyspepsia, abdominal pain, hiccups, WBC count decreased, dehydration, ALT/AST increased, neutropenia, headache, anorexia, cough, hemoglobin decreased, dizziness, constipation, hypotension. Injection: also anemia, peripheral neuropathy, UTI, extremity pain, infusion-site reactions, anaphylaxis.

Emend Clinical Trials

See Literature

Emend Note

Not Applicable

Emend Patient Counseling

See Literature