Brand Names: Vectibix
Generic Name: panitumumab
- What is panitumumab (Vectibix)?
- What are the possible side effects of panitumumab (Vectibix)?
- What is the most important information I should know about panitumumab (Vectibix)?
- What should I discuss with my health care provider before receiving panitumumab (Vectibix)?
- How is panitumumab given (Vectibix)?
- What happens if I miss a dose (Vectibix)?
- What happens if I overdose (Vectibix)?
- What should I avoid while receiving panitumumab (Vectibix)?
- What other drugs will affect panitumumab (Vectibix)?
- Where can I get more information (Vectibix)?
What is panitumumab (Vectibix)?
Panitumumab is used only if your tumor is a wild-type RAS tumor, for which your doctor will test.
Panitumumab may also be used for purposes not listed in this medication guide.
What are the possible side effects of panitumumab (Vectibix)?
Some side effects may occur during the injection. Tell your caregiver right away if you feel dizzy, nauseated, light-headed, chilled, feverish, or have chest tightness or trouble breathing.
Seek emergency medical attention at the first sign of any skin rash. Panitumumab may cause severe skin problems that can lead to widespread infection and possibly death.
Call your doctor at once if you have:
- severe or ongoing diarrhea;
- sudden chest pain or discomfort, wheezing, dry cough or hack, feeling short of breath;
- redness, swelling, or irritation of your eyes or eyelids, vision changes;
- swelling in your face;
- dehydration symptoms--feeling very thirsty or hot, being unable to urinate, heavy sweating, or hot and dry skin;
- signs of a kidney problem--little or no urinating; painful or difficult urination; swelling in your feet or ankles; feeling tired or short of breath; or
- skin problems--severe or worsening acne, swelling or infection around your fingernails or toenails, skin itching, redness, dryness, peeling, cracking, or oozing.
Your cancer treatments may be delayed or permanently discontinued if you have certain side effects.
Common side effects may include:
- acne, dry skin, rash, itching;
- swelling or irritation around your fingernails or toenails;
- loss of appetite, nausea, diarrhea;
- blisters or ulcers in your mouth, red or swollen gums, trouble swallowing;
- tired feeling, weakness; or
- low potassium--confusion, uneven heart rate, extreme thirst, increased urination, leg discomfort, muscle weakness or limp feeling.
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.
What is the most important information I should know about panitumumab (Vectibix)?
Panitumumab may cause severe skin problems that can lead to widespread infection and possibly death. Seek emergency medical attention at the first sign of any skin rash.
What should I discuss with my health care provider before receiving panitumumab (Vectibix)?
You should not use panitumumab if you are allergic to it.
To make sure panitumumab is safe for you, tell your doctor if you have:
- lung disease, breathing problems;
- an ulcer on the cornea of your eye (keratitis); or
- an electrolyte imbalance (such as low levels of calcium, magnesium, or potassium in your blood).
You may have irregular menstrual periods while receiving panitumumab.
It is not known whether panitumumab passes into breast milk or if it could harm a nursing baby. You should not breast-feed while using this medicine.
How is panitumumab given (Vectibix)?
Before you receive this medicine, you may need to undergo a biopsy to make sure panitumumab is the right medication to treat your cancer.
Panitumumab is injected into a vein through an IV. A healthcare provider will give you this injection.
Panitumumab must be given slowly, and the IV infusion can take up to 90 minutes to complete.
Panitumumab is usually given once every 2 weeks. Follow your doctor's instructions.
Call your doctor if you have ongoing vomiting or diarrhea, or if you are sweating more than usual. You can easily become dehydrated while using panitumumab. This can lead to very low blood pressure, electrolyte disorders, or kidney failure.
While using panitumumab, you may need frequent blood tests. Your skin and vision may also need to be checked.
Panitumumab can have long lasting effects on your body. You may need frequent medical tests for up to 8 weeks after you stop using this medicine.
What happens if I miss a dose (Vectibix)?
Call your doctor for instructions if you miss an appointment for your panitumumab injection.
What happens if I overdose (Vectibix)?
Seek emergency medical attention or call the Poison Help line at 1-800-222-1222.
What should I avoid while receiving panitumumab (Vectibix)?
Avoid exposure to sunlight or tanning beds. Panitumumab can make you sunburn more easily. Wear protective clothing and use sunscreen (SPF 30 or higher) during treatment and for at least 2 months you after stop receiving panitumumab
This medicine 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.
What other drugs will affect panitumumab (Vectibix)?
Other drugs may interact with panitumumab, including prescription and over-the-counter medicines, vitamins, and herbal products. Tell your doctor about all your current medicines and any medicine you start or stop using.
Where can I get more information (Vectibix)?
Your doctor or pharmacist can provide more information about panitumumab.
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