Darbepoetin Alfa
Generic Name: darbepoetin alfa
Brand Names:
Aranesp
11 DESCRIPTION Darbepoetin alfa is an erythropoiesis-stimulating protein that is produced in Chinese hamster ovary (CHO) cells by recombinant DNA technology. Darbepoetin alfa is a 165-amino acid protein that differs from recombinant human erythropoietin in containing 5 N-linked oligosaccharide chains, whereas recombinant human erythropoietin contains 3 chains. The 2 additional N-glycosylation sites result from amino acid substitutions in the erythropoietin peptide backbone.
Overview
11 DESCRIPTION Darbepoetin alfa is an erythropoiesis-stimulating protein that is produced in Chinese hamster ovary (CHO) cells by recombinant DNA technology. Darbepoetin alfa is a 165-amino acid protein that differs from recombinant human erythropoietin in containing 5 N-linked oligosaccharide chains, whereas recombinant human erythropoietin contains 3 chains. The 2 additional N-glycosylation sites result from amino acid substitutions in the erythropoietin peptide backbone.
Uses
1 INDICATIONS AND USAGE Aranesp is an erythropoiesis-stimulating agent (ESA) indicated for the treatment of anemia due to: Chronic Kidney Disease (CKD) in patients on dialysis and patients not on dialysis ( 1.1 ). The effects of concomitant myelosuppressive chemotherapy, and upon initiation, there is a minimum of two additional months of planned chemotherapy ( 1.2 ). Limitations of Use Aranesp has not been shown to improve quality of life, fatigue, or patient well-being ( 1.3 ). Aranesp is not indicated for use: In patients with cancer receiving hormonal agents, biologic products, or radiotherapy, unless also receiving concomitant myelosuppressive chemotherapy ( 1.3 ). In patients with cancer receiving myelosuppressive chemotherapy when the anticipated outcome is cure ( 1.3 ).
Dosage
2 DOSAGE AND ADMINISTRATION Recommended starting dose for patients with CKD on dialysis ( 2.2 ): - 0.45 mcg/kg intravenously or subcutaneously weekly, or - 0.75 mcg/kg intravenously or subcutaneously every 2 weeks - Intravenous route is recommended for patients on hemodialysis Recommended starting dose for patients with CKD not on dialysis ( 2.2 ): - 0.45 mcg/kg intravenously or subcutaneously at 4 week intervals Recommended starting dose for pediatric patients with CKD: - 0.45 mcg/kg intravenously or subcutaneously weekly - patients with CKD not on dialysis may also be initiated at 0.75 mcg/kg every 2 weeks Recommended starting dose for patients with cancer on chemotherapy ( 2.3 ): - 2.25 mcg/kg subcutaneously weekly, or - 500 mcg subcutaneously every 3 weeks 2.1 Important Dosing Informat...
Side Effects
6 ADVERSE REACTIONS The following clinically significant adverse reactions are discussed in greater detail in other sections of the label: Increased Mortality, Myocardial Infarction, Stroke, and Thromboembolism [see Warnings and Precautions ( 5.1 )] Increased Mortality and/or Increased Risk of Tumor Progression or Recurrence in Patients with Cancer [see Warnings and Precautions ( 5.2 )] Hypertension [see Warnings and Precautions ( 5.3 )] Seizures [see Warnings and Precautions ( 5.4 )] Pure Red Cell Aplasia [see Warnings and Precautions ( 5.6 )] Serious Allergic Reactions [see Warnings and Precautions ( 5.7 )] Severe Cutaneous Reactions [see Warnings and Precautions ( 5.8 )] Patients with CKD: Adverse reactions in ≥ 10% of Aranesp-treated patients in clinical studies were hypertension, dysp...
Warnings
WARNING: ESAs INCREASE THE RISK OF DEATH, MYOCARDIAL INFARCTION, STROKE, VENOUS THROMBOEMBOLISM, THROMBOSIS OF VASCULAR ACCESS AND TUMOR PROGRESSION OR RECURRENCE Chronic Kidney Disease: In controlled trials, patients experienced greater risks for death, serious adverse cardiovascular reactions, and stroke when administered erythropoiesis -stimulating agents (ESAs) to target a hemoglobin level of greater than 11 g/dL [ see Warnings and Precautions ( 5.1 )] . 5 WARNINGS AND PRECAUTIONS Increased Mortality, Myocardial Infarction, Stroke, and Thromboembolism: Using Aranesp to target a hemoglobin level of greater than 11 g/dL increases the risk of serious adverse cardiovascular reactions and has not been shown to provide additional benefit ( 5.1 and 14.1 ). Use caution in patients with coexistent cardiovascular disease and stroke ( 5.1 ). Increased Mortality and/or Increased Risk of Tumor Progression or Recurrence in Patients with Cancer ( 5.2 ). Hypertension: Control hypertension prior to initiating and during treatment with Aranesp ( 5.3 ). Seizures: Aranesp increases the risk for seizures in patients with CKD ( 5.4 ). Increase monitoring of these patients for changes in seizure frequency or premonitory symptoms ( 5.4 ). 4 CONTRAINDICATIONS Aranesp is contraindicated in patients with: Uncontrolled hypertension [see Warnings and Precautions ( 5.3 )] . Pure red cell aplasia (PRCA) that begins after treatment with Aranesp or other erythropoietin protein drugs [see Warnings and Precautions ( 5.6 )] . Serious allergic reactions to Aranesp [see Warnings and Precautions ( 5.7 )] .
Pregnancy
8.1 Pregnancy Risk Summary The limited available data on Aranesp use in pregnant women are insufficient to determine a drug-associated risk of major birth defects or miscarriage. In animal reproductive and developmental toxicity studies, Aranesp increased early post-implantation loss at doses approximating the clinical recommended starting doses [ see Data ] . Consider the benefits and risks of Aranesp for the mother and possible risks to the fetus when prescribing Aranesp to a pregnant woman.
Storage
16 HOW SUPPLIED/STORAGE AND HANDLING Store at 36°F to 46°F (2°C to 8°C). Do not freeze. Do not shake. Protect from light; store Aranesp in the carton until use. Do not use Aranesp that has been shaken or frozen.
Frequently Asked Questions
What is Darbepoetin Alfa used for?▼
1 INDICATIONS AND USAGE Aranesp is an erythropoiesis-stimulating agent (ESA) indicated for the treatment of anemia due to: Chronic Kidney Disease (CKD) in patients on dialysis and patients not on dialysis ( 1.1 ). The effects of concomitant myelosuppressive chemotherapy, and upon initiation, there is a minimum of two additional months of planned chemotherapy ( 1.2 ). Limitations of Use Aranesp has not been shown to improve quality of life, fatigue, or patient well-being ( 1.3 ). Aranesp is not indicated for use: In patients with cancer receiving hormonal agents, biologic products, or radiotherapy, unless also receiving concomitant myelosuppressive chemotherapy ( 1.3 ). In patients with cancer receiving myelosuppressive chemotherapy when the anticipated outcome is cure ( 1.3 ).
What are the side effects of Darbepoetin Alfa?▼
6 ADVERSE REACTIONS The following clinically significant adverse reactions are discussed in greater detail in other sections of the label: Increased Mortality, Myocardial Infarction, Stroke, and Thromboembolism [see Warnings and Precautions ( 5.1 )] Increased Mortality and/or Increased Risk of Tumor Progression or Recurrence in Patients with Cancer [see Warnings and Precautions ( 5.2 )] Hypertension [see Warnings and Precautions ( 5.3 )] Seizures [see Warnings and Precautions ( 5.4 )] Pure Red Cell Aplasia [see Warnings and Precautions ( 5.6 )] Serious Allergic Reactions [see Warnings and Precautions ( 5.7 )] Severe Cutaneous Reactions [see Warnings and Precautions ( 5.8 )] Patients with CKD: Adverse reactions in ≥ 10% of Aranesp-treated patients in clinical studies were hypertension, dysp...
Can I take Darbepoetin Alfa during pregnancy?▼
8.1 Pregnancy Risk Summary The limited available data on Aranesp use in pregnant women are insufficient to determine a drug-associated risk of major birth defects or miscarriage. In animal reproductive and developmental toxicity studies, Aranesp increased early post-implantation loss at doses approximating the clinical recommended starting doses [ see Data ] . Consider the benefits and risks of Aranesp for the mother and possible risks to the fetus when prescribing Aranesp to a pregnant woman.
What are the important warnings for Darbepoetin Alfa?▼
WARNING: ESAs INCREASE THE RISK OF DEATH, MYOCARDIAL INFARCTION, STROKE, VENOUS THROMBOEMBOLISM, THROMBOSIS OF VASCULAR ACCESS AND TUMOR PROGRESSION OR RECURRENCE Chronic Kidney Disease: In controlled trials, patients experienced greater risks for death, serious adverse cardiovascular reactions, and stroke when administered erythropoiesis -stimulating agents (ESAs) to target a hemoglobin level of greater than 11 g/dL [ see Warnings and Precautions ( 5.1 )] . 5 WARNINGS AND PRECAUTIONS Increased Mortality, Myocardial Infarction, Stroke, and Thromboembolism: Using Aranesp to target a hemoglobin level of greater than 11 g/dL increases the risk of serious adverse cardiovascular reactions and has not been shown to provide additional benefit ( 5.1 and 14.1 ). Use caution in patients with coexistent cardiovascular disease and stroke ( 5.1 ). Increased Mortality and/or Increased Risk of Tumor Progression or Recurrence in Patients with Cancer ( 5.2 ). Hypertension: Control hypertension prior to initiating and during treatment with Aranesp ( 5.3 ). Seizures: Aranesp increases the risk for seizures in patients with CKD ( 5.4 ). Increase monitoring of these patients for changes in seizure frequency or premonitory symptoms ( 5.4 ). 4 CONTRAINDICATIONS Aranesp is contraindicated in patients with: Uncontrolled hypertension [see Warnings and Precautions ( 5.3 )] . Pure red cell aplasia (PRCA) that begins after treatment with Aranesp or other erythropoietin protein drugs [see Warnings and Precautions ( 5.6 )] . Serious allergic reactions to Aranesp [see Warnings and Precautions ( 5.7 )] .
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For detail, please read the enclosed package (product information leaflet)
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.