Common Brand Name(s): Mabcampath
Important: 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.
This medication may cause very serious (rarely fatal) blood disorders (decreased bone marrow function leading to 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: signs of infection (such as fever, persistent sore throat, swollen lymph nodes), easy bruising/bleeding, coughing up blood, shortness of breath, unusual tiredness, fast/pounding heartbeat.
This medication may also cause very serious (rarely fatal) infusion-related reactions. (See also Side Effects section.)
Alemtuzumab is used to treat a certain type of leukemia (B-cell chronic lymphocytic leukemia, also known as B-CLL). This medication works by slowing or stopping the growth of cancer cells.
How To Use
This medication is given by injection into a vein over 2 hours by a health care professional. The dosage is based on your medical condition and response to treatment. Your doctor will increase your dose slowly to decrease the risk of side effects.
Before you receive this medication, your doctor will direct you to take other medications (such as acetaminophen, diphenhydramine, corticosteroids) to help prevent side effects. Your doctor should also prescribe other medications (such as antibiotics, antiviral medications) to help prevent infection in your body. Use these additional medications exactly as prescribed by your doctor.
See also Warning section.
Fever, chills, flushing, dizziness, shortness of breath, nausea, vomiting, or mild rash/itching may occur during or after the infusion. These reactions occur more often during the first week of treatment. Tell your doctor or pharmacist right away if any of these effects occur. Your doctor may prescribe additional medications to help control these symptoms. Diarrhea, stomach/abdominal pain, tiredness, headache, shaking (tremor), trouble sleeping, or mouth sores may also 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, your doctor has prescribed this drug because he or she has judged that the benefit to you is greater than the risk of side effects. Careful monitoring by your doctor may decrease your risk.
Tell your doctor right away if you have any serious side effects, including:
- mental/mood changes (such as depression, anxiety)
- muscle/bone pain
- numbness/tingling of arms/legs
- fast/slow/irregular heartbeat
- unusual weight changes
- signs of kidney problems (such as change in the amount of urine, painful urination, pink/bloody urine, swelling ankles/feet)
- signs of liver disease (such as nausea/vomiting that doesn't stop, loss of appetite, severe stomach/abdominal pain, yellowing eyes/skin)
This medication may increase your risk of getting a rare but very serious (possibly fatal) brain infection (progressive multifocal leukoencephalopathy-PML). Get medical help right away if you have any of these side effects:
- loss of coordination/balance
- sudden change in your thinking (such as confusion, difficulty concentrating, memory loss)
- difficulty talking/walking
- vision changes
Get medical help right away if you have any very serious side effects, including:
- chest/jaw/left arm pain
- neck pain
- weakness on one side of the body
- sudden severe headache
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:
- 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.
Before receiving this alemtuzumab, 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:
- immune system problems (such as HIV)
- recent/current infections (such as tuberculosis)
- bleeding/blood problems
- high blood pressure
- other cancers
- kidney problems
- heart problems
- blood vessel problems (such as tears in arteries)
- thyroid problems
This drug may make you dizzy. Alcohol or marijuana (cannabis) can make you more dizzy. Do not drive, use machinery, or do anything that needs alertness until you can do it safely. Limit alcoholic beverages. Talk to your doctor if you are using marijuana (cannabis).
Before having surgery, tell your doctor or dentist about all the products you use (including prescription drugs, nonprescription drugs, and herbal products).
Before receiving a blood transfusion, tell your doctor that you are using this medication.
Do not have immunizations/vaccinations without the consent of your doctor. Avoid contact with people who have recently received live vaccines (such as flu vaccine inhaled through the nose).
Wash your hands well to prevent the spread of infections.
This medication also increases your risk of getting a very serious infection caused by a bacteria called listeria. During treatment and for some time after treatment with this medication, either avoid food that may contain listeria (such as deli meat, unpasteurized milk and cheese products, soft cheeses, undercooked meat/seafood/poultry), or make sure you heat it well. Ask your doctor for more details.
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.
Tell your doctor if you are pregnant or plan to become pregnant. You should not become pregnant while using alemtuzumab. Alemtuzumab may harm an unborn baby. Your doctor should order a pregnancy test before you start this medication. Ask about reliable forms of birth control while using this medication and for at least 3 months after stopping treatment. If you become pregnant, talk to your doctor right away about the risks and benefits of this medication.
It is unknown if this drug passes into breast milk. Because of the possible risk to the infant, breast-feeding is not recommended during treatment and for at least 3 months after stopping treatment. Consult your doctor before breast-feeding.
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.
Some products that may interact with this drug are:
- other drugs that weaken the immune system/increase the risk of infection (such as natalizumab, rituximab)
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 their local poison control center at 1-800-222-1222. Canada residents can call a provincial poison control center. Symptoms of overdose may include: trouble breathing.
Lab and/or medical tests (such as complete blood count, kidney/liver/thyroid function, blood pressure) should be done before treatment, while you are receiving this medication, and for some time after treatment is completed. Keep all medical and lab appointments. Consult your doctor for more details.
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.
Not applicable. This medication is given in a hospital or clinic and will not be stored at home.
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).
Information last revised February 2020.
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Conditions of use: The information in this database is intended to supplement, not substitute for the expertise and judgment of healthcare professionals. The information in not intend to cover all possible uses, directions, precautions, drug interactions or adverse effects nor should it be construed in indicate that use of a particular drug is safe, appropriate or effective for you or anyone else. A healthcare professional should be consulted before taking any drug, changing any diet or commencing or discontinuing any course of treatment.