Generic Name: pegaspargase (peg ah SPAR jase)
Brand Name: Oncaspar
Medically reviewed on August 4, 2017
What is Oncaspar?
Oncaspar is a cancer medicine that interferes with the growth and spread of cancer cells in the body.
Oncaspar is used in combination with other cancer medications to treat acute lymphoblastic leukemia. Oncaspar is also used to treat allergic reactions to another cancer medication called asparaginase (Elspar).
Oncaspar may also be used for purposes not listed in this medication guide.
You should not use Oncaspar if you have ever received asparaginase and it caused pancreatitis, severe bleeding, a blood clot, or a severe allergic reaction.
Before taking this medicine
You should not use Oncaspar if you are allergic to it, or if you have ever received asparaginase and it caused any of the following conditions:
a blood clot;
severe bleeding; or
a severe allergic reaction.
To make sure Oncaspar is safe for you, tell your doctor if you have:
a pancreas disorder;
bleeding or blood clotting disorder such as hemophilia;
any allergies; or
a history of stroke or blood clot.
It is not known whether Oncaspar will harm an unborn baby. Tell your doctor if you are pregnant. Use effective birth control to avoid pregnancy during your treatment with this medicine. Follow your doctor's instructions about how long to prevent pregnancy after your treatment ends.
It is not known whether pegaspargase passes into breast milk or if it could harm a nursing baby. You should not breast-feed while using Oncaspar.
How is Oncaspar given?
Oncaspar is injected into a muscle or into a vein through an IV. A healthcare provider will give you this injection.
You will be watched closely for at least 1 hour after receiving Oncaspar, to make sure you do not have an allergic reaction to the medication.
Oncaspar can lower blood cells that help your blood to clot. Your blood will need to be tested often to be sure this medication is not causing harmful effects. You may also need liver function tests.
What happens if I miss a dose?
Contact your doctor if you miss an appointment for your Oncaspar.
What happens if I overdose?
Since this medication is given by a healthcare professional in a medical setting, an overdose is unlikely to occur.
What should I avoid while receiving Oncaspar?
Avoid activities that may increase your risk of bleeding or injury. Use extra care to prevent bleeding while shaving or brushing your teeth.
Oncaspar can pass into body fluids (urine, feces, vomit). For at least 48 hours after you receive a dose, avoid allowing your body fluids to come into contact with your hands or other surfaces. Caregivers should wear rubber gloves while cleaning up a patient's body fluids, handling contaminated trash or laundry or changing diapers. Wash hands before and after removing gloves. Wash soiled clothing and linens separately from other laundry.
Oncaspar side effects
Get emergency medical help if you have signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat.
Call your doctor at once if you have:
easy bruising, unusual bleeding (nose, mouth, vagina, or rectum), purple or red pinpoint spots under your skin;
dark urine, clay-colored stools, jaundice (yellowing of the skin or eyes); or
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.
See also: Side effects (in more detail)
What other drugs will affect Oncaspar?
Other drugs may interact with pegaspargase, including prescription and over-the-counter medicines, vitamins, and herbal products. Tell each of your health care providers about all medicines you use now and any medicine you start or stop using.
Remember, keep this and all other medicines out of the reach of children, never share your medicines with others, and use this medication only for the indication prescribed.
Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.
Copyright 1996-2018 Cerner Multum, Inc. Version: 2.04.
More about Oncaspar (pegaspargase)
- Oncaspar Side Effects
- During Pregnancy
- Dosage Information
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- Drug class: miscellaneous antineoplastics