Elrexfio (Elranatamab)

Complete patient guide for uses, dosage, side effects, and safety information

Prescription Required

Quick Facts

Generic Name
elranatamab
Drug Class
cancer medicine
Used For
treating multiple myeloma in adults who have had multiple prior therapies
How Taken
subcutaneous injection, administered by a healthcare professional

What Is Elrexfio Used For?

Elrexfio is a cancer treatment that targets multiple myeloma, a type of bone marrow cancer.

Primary Uses

Elrexfio is used for adults with multiple myeloma who have not responded to at least three prior treatments.

How It Works

Elrexfio is an antibody that binds to specific proteins on cancer cells and T cells, enabling the immune system to destroy the cancer cells.

Good to know: Elrexfio is not addictive.

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How to Take Elrexfio

Elrexfio is administered as an injection under the skin by a healthcare professional.

Dosage Instructions

The initial doses are 12 mg and 32 mg, followed by a full treatment dose of 76 mg weekly for 24 weeks, then biweekly and finally every four weeks as needed.

What If You Miss a Dose?

If you miss a dose, take it as soon as possible and adjust your schedule accordingly. Contact your doctor if you cannot make your appointment.

Important: Never double dose if you miss a dose.

Side Effects

Like all medications, this medicine can cause side effects. Most are mild and temporary, but some require medical attention.

Common Side Effects

These side effects occur relatively frequently and usually don’t require emergency care:

  • Nausea
  • Fatigue
  • Headache
  • Injection site reactions
  • Low blood cell counts

Seek immediate medical attention if you experience:

  • Allergic reactions
  • Cytokine release syndrome (CRS)
  • Neurological issues including ICANS
  • Severe infections

Impulse Control Issues

No specific information about impulse control issues was mentioned.

Important Warnings

Elrexfio may cause serious side effects, including life-threatening reactions.

Who Should Not Take Elrexfio

Do not use Elrexfio if you have had an allergic reaction to elranatamab or any of its ingredients.

Medical Conditions to Discuss

Discuss any history of infections, blood abnormalities, kidney or liver problems with your doctor.

Pregnancy and Breastfeeding

Elrexfio may harm an unborn baby. Effective contraception is advised during treatment and for four months after the last dose. Avoid breastfeeding during treatment and for four months after.

Elderly Patients With Dementia: Special caution is advised for elderly patients, particularly those with dementia.

Drug Interactions

Certain medications may interact with Elrexfio and affect its efficacy.

Grapefruit interaction: Consult your doctor about potential interactions with grapefruit.

  • Corticosteroids
  • Antihistamines
  • Other cancer treatments

Alcohol & Driving

Precautions regarding alcohol consumption and driving while on Elrexfio.

Alcohol

Consult your doctor if you consume alcohol.

Driving and Operating Machinery

Avoid driving or operating heavy machinery during treatment and for at least 48 hours after the initial doses due to potential neurological effects.

Temperature Regulation

No specific information about temperature regulation was mentioned.

Storage

Elrexfio should be stored in a refrigerator (2°C to 8°C) and protected from light. It should be administered by healthcare professionals.

Overdose Information

In the rare event of an overdose, your healthcare provider will monitor you for side effects.

Frequently Asked Questions

The time it takes for Elrexfio to show effects can vary by individual, but it is typically monitored closely by healthcare professionals.

There are no specific instructions regarding food interactions with Elrexfio.

No, Elrexfio is not considered addictive.

Do not stop taking Elrexfio without consulting your doctor, as this may lead to a return of symptoms.

Consult your doctor if you consume alcohol while on Elrexfio.

There is no information available regarding weight gain as a side effect of Elrexfio.

Elderly patients should use Elrexfio with caution, especially those with dementia.

If you miss a dose, take it as soon as possible and adjust your schedule accordingly.

Important Disclaimer

This information is intended for general educational purposes only and should not be considered medical advice. Always consult your healthcare provider or pharmacist before starting, stopping, or changing any medication.

If you think you may have a medical emergency, call your doctor or emergency services immediately.

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