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Emend Injection

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Emend Injection




Emend Injection Side Effects Center

Medical Editor: John P. Cunha, DO, FACOEP

Last reviewed on RxList 1/29/2016

Emend (fosaprepitant dimeglumine injection) is a substance P/neurokinin-1 (NK1) receptor antagonist that works by blocking one of the body's natural substances (substance P/neurokinin 1) that causes vomiting and is used together with other medications to prevent nausea and vomiting that may be caused by cancer chemotherapy. Emend is given ahead of time and will not treat nausea or vomiting that is already present. Common side effects of Emend include tiredness, hiccups, nausea, vomiting, heartburn, stomach pain, diarrhea, constipation, loss of appetite, increased thirst, hot and dry skin, weakness, dizziness, headache, ringing in your ears, fever, chills, body aches, flu symptoms, sleep problems (insomnia), or pain or a hard lump where the medicine was injected.

The dose of Emend for Injection is 150 mg administered intravenously on Day 1 only as an infusion over 20-30 minutes initiated approximately 30 minutes prior to chemotherapy. Emend may interact with diltiazem, tolbutamide, blood thinners, midazolam or similar medicines, antidepressants, antibiotics, antifungals, birth control pills, cancer medicines, HIV medicines, seizure medications, or steroids. Tell your doctor all medications and supplements you use. During pregnancy, Emend should be used only when prescribed. Emend can make birth control pills less effective, resulting in pregnancy. This effect can last for up to 28 days after the last dose of this medication. Consult your doctor about using a non-hormonal back-up form of birth control (i.e., condoms, diaphragm, or spermicides) during treatment and for at least 1 month after treatment ends. It is unknown if this drug passes into breast milk. Consult your doctor before breastfeeding.

Our Emend (fosaprepitant dimeglumine injection) Side Effects Drug Center provides a comprehensive view of available drug information on the potential side effects when taking this medication.

This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.

What is Patient Information in Detail?

Easy-to-read and understand detailed drug information and pill images for the patient or caregiver from Cerner Multum.

Emend Injection in Detail - Patient Information: Side Effects

Get emergency medical help if you have any of these signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat.

Tell your caregivers at once if you have any of these serious side effects:

  • feeling light-headed, fainting;
  • slow heart rate;
  • pale skin, easy bruising or bleeding; or
  • pain or burning when you urinate.

Less serious side effects may include:

  • nausea, vomiting, heartburn, stomach pain;
  • diarrhea or constipation;
  • loss of appetite;
  • hiccups;
  • increased thirst or hot, dry skin;
  • weakness, dizziness, tired feeling;
  • headache;
  • ringing in your ears;
  • fever, chills, body aches, flu symptoms;
  • sleep problems (insomnia); or
  • pain or a hard lump where the medicine was injected.

This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.

Read the entire detailed patient monograph for Emend Injection (Fosaprepitant Dimeglumine Injection)

What is Patient Information Overview?

A concise overview of the drug for the patient or caregiver from First DataBank.

Emend Injection Overview - Patient Information: Side Effects

SIDE EFFECTS: See also How To Use section.

Tiredness and hiccups may occur. If either of these effects persist or worsen, tell your doctor or pharmacist promptly.

Remember that your doctor has prescribed this medication because he or she has judged that the benefit to you is greater than the risk of side effects. Many people using this medication do not have serious side effects.

A very serious allergic reaction to this drug is rare. However, get medical help right away if you notice any of the following symptoms of a serious allergic reaction: rash, itching/swelling (especially of the face/tongue/throat), severe dizziness, trouble breathing.

This is not a complete list of possible side effects. If you notice other effects not listed above, contact your doctor or pharmacist.

In the US -

Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.

In Canada - Call your doctor for medical advice about side effects. You may report side effects to Health Canada at 1-866-234-2345.

Read the entire patient information overview for Emend Injection (Fosaprepitant Dimeglumine Injection)

What is Prescribing information?

The FDA package insert formatted in easy-to-find categories for health professionals and clinicians.

Emend Injection FDA Prescribing Information: Side Effects
(Adverse Reactions)

SIDE EFFECTS

Clinical Trials Experience

Because clinical trials are conducted under widely varying conditions, adverse reaction rates observed in the clinical trials of a drug cannot be directly compared to rates in the clinical trials of another drug and may not reflect the rates observed in clinical practice.

The overall safety of EMEND for injection was evaluated in approximately 1600 individuals.

Adverse Reactions for the Prevention of Nausea and Vomiting Associated with MEC

In an active-controlled clinical trial in patients receiving MEC, safety was evaluated in 504 patients receiving a single dose of EMEND for injection in combination with ondansetron and dexamethasone (EMEND regimen) compared to 497 patients receiving ondansetron and dexamethasone alone (standard therapy). The most common adverse reactions are listed in Table 4.

Table 4 : Most Common Adverse Reactions in Patients Receiving MEC*

  EMEND for injection, ondansetron, and dexamethasone†
(N=504)
Ondansetron and dexamethasone‡
(N=497)
fatigue 15% 13%
diarrhea 13% 11%
neutropenia 8% 7%
asthenia 4% 3%
anemia 3% 2%
peripheral neuropathy 3% 2%
leukopenia 2% 1%
dyspepsia 2% 1%
urinary tract infection 2% 1%
pain in extremity 2% 1%
*Reported in ≥ 2% of patients treated with the EMEND regimen and at a greater incidence than standard therapy.
†EMEND regimen
‡Standard therapy

Infusion-site reactions were reported in 2.2% of patients treated with the EMEND regimen compared to 0.6% of patients treated with standard therapy. The infusion-site reactions included: infusion-site pain (1.2%, 0.4%), injection-site irritation (0.2%, 0.0%), vessel puncture-site pain (0.2%, 0.0%), and infusion-site thrombophlebitis (0.6%, 0.0%), reported in the EMEND regimen compared to standard therapy, respectively.

Adverse Reactions for the Prevention of Nausea and Vomiting Associated with HEC

In an active-controlled clinical study in patients receiving HEC, safety was evaluated for 1143 patients receiving a single dose of EMEND for injection compared to 1169 patients receiving the 3-day regimen of oral EMEND (aprepitant) [see Clinical Studies]. The safety profile was generally similar to that seen in the MEC study with fosaprepitant and prior HEC studies with aprepitant. However, infusion-site reactions occurred at a higher incidence in patients in the fosaprepitant group (3.0%) compared to those in the aprepitant group (0.5%). The following additional infusion-site reactions occurred in HEC study and were not reported in the MEC study described above: infusion-site erythema (0.5%, 0.1%), infusion-site pruritus (0.3%, 0.0%), and infusion-site induration (0.2%, 0.1%), reported in the fosaprepitant group compared to the aprepitant group, respectively.

Since fosaprepitant is converted to aprepitant, those adverse reactions associated with aprepitant might also be expected to occur with EMEND for injection. See the full prescribing information for EMEND capsules for complete safety information regarding studies performed with oral aprepitant.

Postmarketing Experience

The following adverse reactions have been identified during post-approval use of EMEND. Because these reactions are reported voluntarily from a population of uncertain size, it is not always possible to reliably estimate their frequency or establish a causal relationship to drug exposure.

Skin and subcutaneous tissue disorders: pruritus, rash, urticaria, Stevens-Johnson syndrome/toxic epidermal necrolysis.

Immune system disorders: hypersensitivity reactions including anaphylactic reactions [see CONTRAINDICATIONS].

Nervous system disorders: ifosfamide-induced neurotoxicity reported after EMEND and ifosfamide coadministration.

Read the entire FDA prescribing information for Emend Injection (Fosaprepitant Dimeglumine Injection)

Emend Injection - User Reviews

Emend Injection User Reviews

Now you can gain knowledge and insight about a drug treatment with Patient Discussions.

Here is a collection of user reviews for the medication Emend Injection sorted by most helpful. Patient Discussions FAQs

Report Problems to the Food and Drug Administration

 

You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.


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