"The therascreen KRAS RGQ PCR Kit can provide information about the KRAS gene mutation in patients whose CRC has spread to other parts of their body (metastasized). Studies have found that Eribitux is not effective in those who have the mut"...
(cetuximab) Injection, for Intravenous Infusion
SERIOUS INFUSION REACTIONS and CARDIOPULMONARY ARREST
Infusion Reactions: Serious infusion reactions occurred with the administration of Erbitux in approximately 3% of patients in clinical trials, with fatal outcome reported in less than 1 in 1000. [See WARNINGS AND PRECAUTIONS, ADVERSE REACTIONS.] Immediately interrupt and permanently discontinue Erbitux infusion for serious infusion reactions. [See DOSAGE AND ADMINISTRATION, WARNINGS AND PRECAUTIONS.]
Cardiopulmonary Arrest: Cardiopulmonary arrest and/or sudden death occurred in 2% of patients with squamous cell carcinoma of the head and neck treated with Erbitux and radiation therapy in Study 1 and in 3% of patients with squamous cell carcinoma of the head and neck treated with European Union (EU)-approved cetuximab in combination with platinum-based therapy with 5-fluorouracil (5-FU) in Study 2. Closely monitor serum electrolytes, including serum magnesium, potassium, and calcium, during and after Erbitux administration. [See WARNINGS AND PRECAUTIONS, Clinical Studies]
Erbitux (cetuximab) is a recombinant, human/mouse chimeric monoclonal antibody that binds specifically to the extracellular domain of the human epidermal growth factor receptor (EGFR). Cetuximab is composed of the Fv regions of a murine anti-EGFR antibody with human IgG1 heavy and kappa light chain constant regions and has an approximate molecular weight of 152 kDa. Cetuximab is produced in mammalian (murine myeloma) cell culture.
Erbitux is a sterile, clear, colorless liquid of pH 7.0 to 7.4, which may contain a small amount of easily visible, white, amorphous cetuximab particulates. Erbitux is supplied at a concentration of 2 mg/mL in either 100 mg (50 mL) or 200 mg (100 mL), single-use vials. Cetuximab is formulated in a solution with no preservatives, which contains 8.48 mg/mL sodium chloride, 1.88 mg/mL sodium phosphate dibasic heptahydrate, 0.41 mg/mL sodium phosphate monobasic monohydrate, and Water for Injection, USP.
What are the possible side effects of cetuximab (Erbitux)?
Some people receiving a cetuximab injection have had a reaction to the infusion (when the medicine is injected into the vein). Tell your caregiver right away if you feel short of breath, weak or dizzy, nauseated, itchy, or have wheezing, noisy breathing, or a hoarse voice during the injection.
Get emergency medical help if you have any of these signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat.
Call your doctor at once if you have any of these serious side effects:
- an acne-like skin rash or any severe skin...
What are the precautions when taking cetuximab (Erbitux)?
Before receiving cetuximab, 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: lung disease, radiation therapy, heart disease (e.g., coronary artery disease, congestive heart failure, arrhythmias).
This medication may make you drowsy. Do not drive, use machinery, or do any activity that requires alertness until you are sure you can perform such activities safely. Limit alcoholic beverages.
Sunlight may worsen any skin reactions that may occur while you are using this drug. Avoid prolonged...
Last reviewed on RxList: 3/25/2013
This monograph has been modified to include the generic and brand name in many instances.
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