Trastuzumab-anns
Generic Name: trastuzumab-anns
Brand Names:
Kanjinti
11 DESCRIPTION Trastuzumab-anns is a humanized IgG1 kappa monoclonal antibody that selectively binds with high affinity to the extracellular domain of the human epidermal growth factor receptor 2 protein, HER2. Trastuzumab-anns is produced by recombinant DNA technology in a mammalian cell (Chinese Hamster Ovary) culture containing the antibiotic geneticin. Geneticin is not detectable in the final product.
Overview
11 DESCRIPTION Trastuzumab-anns is a humanized IgG1 kappa monoclonal antibody that selectively binds with high affinity to the extracellular domain of the human epidermal growth factor receptor 2 protein, HER2. Trastuzumab-anns is produced by recombinant DNA technology in a mammalian cell (Chinese Hamster Ovary) culture containing the antibiotic geneticin. Geneticin is not detectable in the final product.
Uses
1 INDICATIONS AND USAGE KANJINTI is a HER2/neu receptor antagonist indicated in adults for: the treatment of HER2-overexpressing breast cancer. ( 1.1 , 1.2 ) the treatment of HER2-overexpressing metastatic gastric or gastroesophageal junction adenocarcinoma. ( 1.3 ) Select patients for therapy based on an FDA-approved companion diagnostic for a trastuzumab product ( 1 , 2.2 ).
Dosage
2 DOSAGE AND ADMINISTRATION For intravenous (IV) infusion only. Do not administer as an IV push or bolus. KANJINTI has different dosage and administration instructions than subcutaneous trastuzumab products. ( 2.3 ) Do not substitute KANJINTI (trastuzumab-anns) for or with ado-trastuzumab emtansine or fam-trastuzumab deruxtecan. ( 2.3 ) Perform HER2 testing using FDA-approved tests by laboratories with demonstrated proficiency. ( 1 , 2.2 ) Adjuvant Treatment of HER2-Overexpressing Breast Cancer ( 2.2 ) Administer at either: Initial dose of 4 mg/kg over 90 minutes IV infusion, then 2 mg/kg over 30 minutes IV infusion weekly for 12 weeks (with paclitaxel or docetaxel) or 18 weeks (with docetaxel and carboplatin).
Side Effects
6 ADVERSE REACTIONS The following adverse reactions are discussed in greater detail in other sections of the label: Cardiomyopathy [see Warnings and Precautions (5.1) ] Infusion Reactions [see Warnings and Precautions (5.2) ] Embryo-Fetal Toxicity [see Warnings and Precautions (5.3) ] Pulmonary Toxicity [see Warnings and Precautions (5.4) ] Exacerbation of Chemotherapy-Induced Neutropenia [see Warnings and Precautions (5.5) ] Adjuvant Breast Cancer Most common adverse reactions (≥ 5%) are headache, diarrhea, nausea, and chills. ( 6.1 ) Metastatic Breast Cancer Most common adverse reactions (≥ 10%) are fever, chills, headache, infection, congestive heart failure, insomnia, cough, and rash.
Interactions
7 DRUG INTERACTIONS Anthracyclines Patients who receive anthracycline after stopping trastuzumab products may be at increased risk of cardiac dysfunction because of trastuzumab products estimated long washout period [see Clinical Pharmacology (12.3) ] . If possible, avoid anthracycline-based therapy for up to 7 months after stopping trastuzumab products. If anthracyclines are used, closely monitor the patient's cardiac function.
Warnings
WARNING: CARDIOMYOPATHY, INFUSION REACTIONS, EMBRYO-FETAL TOXICITY, and PULMONARY TOXICITY WARNING: CARDIOMYOPATHY, INFUSION REACTIONS, EMBRYO-FETAL TOXICITY, and PULMONARY TOXICITY See full prescribing information for complete boxed warning Cardiomyopathy: Trastuzumab products can result in subclinical and clinical cardiac failure manifesting as CHF, and decreased LVEF, with greatest risk when administered concurrently with anthracyclines. 5 WARNINGS AND PRECAUTIONS Exacerbation of Chemotherapy-Induced Neutropenia. ( 5.5 , 6.1 ) 5.1 Cardiomyopathy Trastuzumab products can cause left ventricular cardiac dysfunction, arrhythmias, hypertension, disabling cardiac failure, cardiomyopathy, and cardiac death [see Boxed Warning: Cardiomyopathy ] . Trastuzumab products can also cause asymptomatic decline in left ventricular ejection fraction (LVEF). There is a 4–6 fold increase in the incidence of symptomatic myocardial dysfunction among patients receiving trastuzumab products as a single agent or in combination therapy compared with those not receiving trastuzumab products. The highest absolute incidence occurs when a trastuzumab product is administered with an anthracycline. 4 CONTRAINDICATIONS None. None. ( 4 )
Pregnancy
8.1 Pregnancy Risk Summary Trastuzumab products can cause fetal harm when administered to a pregnant woman. In post-marketing reports and published literature, use of trastuzumab products during pregnancy resulted in cases of oligohydramnios and of oligohydramnios sequence, manifesting as pulmonary hypoplasia, skeletal abnormalities, and neonatal death [see Data ]. Apprise the patient of the potential risks to a fetus.
Storage
Store KANJINTI vials in the original carton to protect from light in the refrigerator at 2°C to 8°C (36°F to 46°F) until time of reconstitution.
Frequently Asked Questions
What is Trastuzumab-anns used for?▼
1 INDICATIONS AND USAGE KANJINTI is a HER2/neu receptor antagonist indicated in adults for: the treatment of HER2-overexpressing breast cancer. ( 1.1 , 1.2 ) the treatment of HER2-overexpressing metastatic gastric or gastroesophageal junction adenocarcinoma. ( 1.3 ) Select patients for therapy based on an FDA-approved companion diagnostic for a trastuzumab product ( 1 , 2.2 ).
What are the side effects of Trastuzumab-anns?▼
6 ADVERSE REACTIONS The following adverse reactions are discussed in greater detail in other sections of the label: Cardiomyopathy [see Warnings and Precautions (5.1) ] Infusion Reactions [see Warnings and Precautions (5.2) ] Embryo-Fetal Toxicity [see Warnings and Precautions (5.3) ] Pulmonary Toxicity [see Warnings and Precautions (5.4) ] Exacerbation of Chemotherapy-Induced Neutropenia [see Warnings and Precautions (5.5) ] Adjuvant Breast Cancer Most common adverse reactions (≥ 5%) are headache, diarrhea, nausea, and chills. ( 6.1 ) Metastatic Breast Cancer Most common adverse reactions (≥ 10%) are fever, chills, headache, infection, congestive heart failure, insomnia, cough, and rash.
Can I take Trastuzumab-anns during pregnancy?▼
8.1 Pregnancy Risk Summary Trastuzumab products can cause fetal harm when administered to a pregnant woman. In post-marketing reports and published literature, use of trastuzumab products during pregnancy resulted in cases of oligohydramnios and of oligohydramnios sequence, manifesting as pulmonary hypoplasia, skeletal abnormalities, and neonatal death [see Data ]. Apprise the patient of the potential risks to a fetus.
What are the important warnings for Trastuzumab-anns?▼
WARNING: CARDIOMYOPATHY, INFUSION REACTIONS, EMBRYO-FETAL TOXICITY, and PULMONARY TOXICITY WARNING: CARDIOMYOPATHY, INFUSION REACTIONS, EMBRYO-FETAL TOXICITY, and PULMONARY TOXICITY See full prescribing information for complete boxed warning Cardiomyopathy: Trastuzumab products can result in subclinical and clinical cardiac failure manifesting as CHF, and decreased LVEF, with greatest risk when administered concurrently with anthracyclines. 5 WARNINGS AND PRECAUTIONS Exacerbation of Chemotherapy-Induced Neutropenia. ( 5.5 , 6.1 ) 5.1 Cardiomyopathy Trastuzumab products can cause left ventricular cardiac dysfunction, arrhythmias, hypertension, disabling cardiac failure, cardiomyopathy, and cardiac death [see Boxed Warning: Cardiomyopathy ] . Trastuzumab products can also cause asymptomatic decline in left ventricular ejection fraction (LVEF). There is a 4–6 fold increase in the incidence of symptomatic myocardial dysfunction among patients receiving trastuzumab products as a single agent or in combination therapy compared with those not receiving trastuzumab products. The highest absolute incidence occurs when a trastuzumab product is administered with an anthracycline. 4 CONTRAINDICATIONS None. None. ( 4 )
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Medical Disclaimer
This drug information is for educational purposes only and should not replace professional medical advice. Drug information is sourced from the FDA National Drug Code Directory and Structured Product Labeling. Always consult with a healthcare provider before starting, stopping, or changing any medication.