inotuzumab ozogamicin 0.9 mg(0.25 mg/mL initial concentration) IV soln

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Medication name

Generic name:
Inotuzumab ozogamicin - injection

Pronunciation
(IN-oh-TOOZ-ue-mab OH-zoe-ga-MYE-sin)

Brand name(s)
Besponsa

Warning

This drug may cause serious (possibly fatal) liver disease. The risk may be greater in older adults, people with liver disease, people with stem cell transplant (before or after treatment), people receiving certain medications to prepare for stem cell transplant, or people who receive this medication for a long period of time. Get medical help right away if you have any symptoms of liver damage, such as nausea/vomiting that doesn't stop, loss of appetite, severe stomach/abdominal pain, yellowing eyes/skin, dark urine, swelling abdomen, rapid weight gain.

In people who receive this medication and also have a stem cell transplant, there may be an increased risk of death due to other causes (such as infection, liver disease). Talk to your doctor for more details.

Uses

This medication is used to treat a certain type of cancer (acute lymphoblastic leukemia-ALL). It works by slowing or stopping the growth of cancer cells.

How to use

This medication is given by injection into a vein over 1 hour as directed by your doctor. The dosage is based on your medical condition, body size, and response to treatment. This medication is usually given once a week for 3 weeks followed by a 1-week rest period. The cycle is then repeated as directed by your doctor. There may not be a rest period between the first and second cycle.

Infusion reactions may happen during the infusion of this drug. Your doctor may prescribe other medications before each treatment to help prevent these side effects. Tell your doctor right away if you have any symptoms of infusion reactions such as shortness of breath, chills, fever, or rash. Your doctor may give you other medications to help with these side effects or may slow down or stop your treatment for some time.

Use this medication regularly to get the most benefit from it. To help you remember, mark the days on the calendar when you need to receive the medication.

Side effects

See also Warning and How to Use sections.

Headache, nausea/vomiting, abdominal pain, diarrhea, constipation, or mouth sores may occur. If any of these effects last or get worse, tell your doctor or pharmacist promptly.

People using this medication may have serious side effects. However, you have been prescribed this drug because your doctor has judged that the benefit to you is greater than the risk of side effects. Careful monitoring by your doctor may decrease your risk.

This medication decreases bone marrow function, an effect that may lead to a low number of blood cells such as red cells, white cells, and platelets. This effect can cause anemia, decrease your body's ability to fight an infection, or cause easy bruising/bleeding. Tell your doctor right away if you develop any of the following symptoms:

  • unusual tiredness
  • pale skin
  • signs of infection (such as sore throat that doesn't go away, fever, chills)
  • easy bruising/bleeding
  • black/bloody stools
  • vomit that contains blood or looks like coffee grounds

Get medical help right away if you have any very serious side effects, including:

  • fast/irregular heartbeat
  • severe dizziness
  • fainting

A very serious allergic reaction to this drug is rare. However, get medical help right away if you notice any symptoms of a serious allergic reaction, including:

  • 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 or at www.fda.gov/medwatch.

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

Precautions

See also Warning section.

Before using inotuzumab ozogamicin, tell your doctor or pharmacist if you are allergic to it; or if you have any other allergies. This product may contain inactive ingredients, which can cause allergic reactions or other problems. Talk to your pharmacist for more details.

Before using this medication, tell your doctor or pharmacist your medical history, especially of:

  • recent/current infections
  • liver disease

Inotuzumab ozogamicin may cause a condition that affects the heart rhythm (QT prolongation). QT prolongation can rarely cause serious (rarely fatal) fast/irregular heartbeat and other symptoms (such as severe dizziness, fainting) that need medical attention right away.

The risk of QT prolongation may be increased if you have certain medical conditions or are taking other drugs that may cause QT prolongation. Before using inotuzumab ozogamicin, tell your doctor or pharmacist of all the drugs you take and if you have any of the following conditions:

  • certain heart problems (heart failure, slow heartbeat, QT prolongation in the EKG)
  • family history of certain heart problems (QT prolongation in the EKG, sudden cardiac death)

Low levels of potassium or magnesium in the blood may also increase your risk of QT prolongation. This risk may increase if you use certain drugs (such as diuretics/"water pills") or if you have conditions such as severe sweating, diarrhea, or vomiting. Talk to your doctor about using inotuzumab ozogamicin safely.

Before having surgery, tell your doctor or dentist about all the products you use (including prescription drugs, nonprescription drugs, and herbal products).

Inotuzumab ozogamicin can make you more likely to get infections or may make current infections worse. Stay away from anyone who has an infection that may easily spread (such as chickenpox, COVID-19, measles, flu). Talk to your doctor if you have been exposed to an infection or for more details.

Tell your health care professional that you are using inotuzumab ozogamicin before having any immunizations/vaccinations. Avoid contact with people who have recently received live vaccines (such as flu vaccine inhaled through the nose).

To lower the chance of getting cut, bruised, or injured, use caution with sharp objects like razors and nail cutters, and avoid activities such as contact sports.

Older adults may be more sensitive to the side effects of this drug, especially QT prolongation (see above).

Tell your doctor if you are pregnant or plan to become pregnant. You should not become pregnant while using this medication. Inotuzumab ozogamicin may harm an unborn baby. Your doctor should order a pregnancy test before you start this medication. Women using this medication should ask about reliable forms of birth control during treatment and for 8 months after the last dose. Men using this medication should ask about reliable forms of birth control during treatment and for 5 months after the last dose. If you or your partner becomes pregnant, talk to your doctor right away about the risks and benefits of this medication.

It is unknown if this medication passes into breast milk. Because of the possible risk to the infant, breastfeeding is not recommended while using this medication and for 2 months after the last dose. Consult your doctor before breastfeeding.

Drug interactions

Drug interactions may change how your medications work or increase your risk for serious side effects. This document does not contain all possible drug interactions. Keep a list of all the products you use (including prescription/nonprescription drugs and herbal products) and share it with your doctor and pharmacist. Do not start, stop, or change the dosage of any medicines without your doctor's approval.

Overdose

If someone has overdosed and has serious symptoms such as passing out or trouble breathing, call 911. Otherwise, call a poison control center right away. US residents can call 1-800-222-1222. Canada residents can call 1-844-764-7669.

Notes

Do not share this medication with others.

Lab and/or medical tests (such as complete blood count, liver function) should be done while you are using this medication. Keep all medical and lab appointments. Consult your doctor for more details.

Missed dose

It is important to get each dose of this medication as scheduled. If you miss a dose, ask your doctor or pharmacist right away for a new dosing schedule.

Storage

Not applicable. This medication is given in a clinic or doctor's office and will not be stored at home.

Medical alert

Your condition can cause complications in a medical emergency. For information about enrolling in MedicAlert, call 1-888-633-4298 (US) or 1-800-668-1507 (Canada).

Important note

HOW TO USE THIS INFORMATION: This is a summary and does NOT have all possible information about this product. This information does not assure that this product is safe, effective, or appropriate for you. This information is not individual medical advice and does not substitute for the advice of your health care professional. Always ask your health care professional for complete information about this product and your specific health needs.

Information last revised May 2024.

Selected from NATIONAL DRUG DATA FILE (NDDF) data included with permission and copyrighted by First Databank, Inc., 2019. This copyrighted material has been downloaded from a licensed data provider.

The above information is intended to supplement, not substitute for, the expertise and judgment of your health care professional. You should consult your health care professional before taking any drug, changing your diet, or commencing or discontinuing any course of treatment.