Oncaspar

This medication is usually used with other anti-cancer (chemotherapy) drugs to treat acute lymphocytic leukemia (ALL), especially in patients who are allergic to L-asparaginase. It works by starving tumor cells of a certain amino acid (asparagine), causing the tumor cells to die.

For the best possible benefit, it is important to receive each scheduled dose of this medication as directed. If you miss a dose, contact your doctor to establish a new dosing schedule.

This medication is given by injection into a vein or a muscle by a health care professional. Dosage is based on your body size and response to treatment. Avoid getting the medication on the skin or in the eyes, mouth, or nose. If you do get the medication in those areas, flush with plenty of water and tell your doctor immediately.

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 include: other drugs that can cause bleeding/bruising (e.g., "blood thinners" such as warfarin/heparin, anti-platelet drugs including NSAIDs such as ibuprofen), other medications that can affect the liver (e.g., ketoconazole).

Your condition can cause complications in a medical emergency. For information about enrolling in MedicAlert, call 1-800-854-1166 (USA) or 1-800-668-1507 (Canada).

Laboratory and/or medical tests (e.g., prothrombin time, complete blood counts, liver function tests, amylase levels) should be performed periodically to monitor your progress or check for side effects. Consult your doctor for more details.

If overdose is suspected, contact your local poison control center or emergency room immediately. US residents can call the US National Poison Hotline at 1-800-222-1222. Canada residents can call a provincial poison control center.

Before using pegaspargase, tell your doctor or pharmacist if you are allergic to it; or to L-asparaginase; 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. This medication should not be used if you have certain medical conditions. Before using this medicine, consult your doctor or pharmacist if you have: history of a serious reaction to L-asparaginase (e.g., bleeding, blood clots, pancreatitis). Before using this medication, tell your doctor or pharmacist your medical history, especially of: diabetes, clotting/bleeding disorders, liver disease, pancreatitis. Do not have immunizations/vaccinations without the consent of your doctor, and avoid contact with people who have recently received oral polio vaccine or flu vaccine inhaled through the nose. Wash your hands well to prevent the spread of infections. This drug may make you dizzy. Do not drive, use machinery, or do any activity that requires alertness until you are sure you can perform such activities safely. Avoid alcoholic beverages because they may make you dizzy and increase the risk of liver disease. To lower your risk of getting cut, bruised, or injured, use caution with sharp objects like razors and nail cutters, and avoid activities such as contact sports. This drug may infrequently make your blood sugar level rise, causing or worsening diabetes. Tell your doctor immediately if you develop symptoms of high blood sugar such as increased thirst and urination. If you already have diabetes, be sure to check your blood sugar level regularly as directed by your doctor. During pregnancy, this medication should be used only when clearly needed. Discuss the risks and benefits with your doctor. It is not known whether this drug passes into breast milk. Because of the possible risk to the infant, breast-feeding while using this drug is not recommended. Consult your doctor before breast-feeding.

Not applicable. This medication is given in a clinic and will not be stored at home.

Nausea, vomiting, weakness, loss of appetite, diarrhea, dizziness, or pain/swelling/redness at injection site may occur. If any 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. Tell your doctor right away if you have any serious side effects, including: severe stomach/abdominal pain, signs of an infection (e.g., fever), increased thirst/urination, easy bruising/bleeding, dark urine, yellowing eyes/skin, pain/redness/swelling/numbness/tingling of the arms or legs, change in the amount of urine. Get medical help right away if any of these rare but very serious side effects occur: sudden shortness of breath, chest pain, severe headache, seizures, slurred speech, confusion, vision changes, weakness on one side of the body. A very serious allergic reaction to this drug can occur. 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. In Canada - Call your doctor for medical advice about side effects. You may report side effects to Health Canada at 1-866-234-2345.