Aranesp Solution Injectable En Stylo Prérempli

Uses

Anemia Due To Chronic Kidney Disease: Aranesp Solution Injectable En Stylo Prérempli is used for the treatment of anemia due to chronic kidney disease (CKD), including patients on dialysis and patients not on dialysis.

Anemia Due To Chemotherapy In Patients With Cancer: Aranesp Solution Injectable En Stylo Prérempli is used for the treatment of anemia in patients with non-myeloid malignancies where anemia is due to the effect of concomitant myelosuppressive chemotherapy, and upon initiation, there is a minimum of two additional months of planned chemotherapy.

Aranesp Solution Injectable En Stylo Prérempli is also used to associated treatment for these conditions: Anemia

How Aranesp Solution Injectable En Stylo Prérempli works

Darbepoetin alfa stimulates erythropoiesis by the same mechanism as endogenous erythropoietin. Erythropoietin interacts with progenitor stem cells to increase red cell production. Binding of erythropoietin to the erythropoietin receptor leads to receptor dimerization, which facilitates activation of JAK-STAT signaling pathways within the cytosol. Activated STAT (signal transducers and activators of transcription) proteins are then translocated to the nucleus where they serve as transcription factors which regulate the activation of specific genes involved in cell division or differentiation.

Dosage

Aranesp Solution Injectable En Stylo Prérempli dosage

Usual Adult Dose for Anemia Associated with Chronic Renal Failure:

Chronic Kidney Disease (CKD) Patients Not on Dialysis:

• Initial dose: 0.45 mcg/kg IV or subcutaneously once every 4 weeks as appropriate
• Comments: Initiate treatment only when hemoglobin is less than 10 g/dL, rate of hemoglobin decline indicates likelihood of requiring RBC transfusion, and reducing risk of alloimmunization and/or other RBC transfusion-related risks is a goal.

CKD Patients on Dialysis:

• Initial dose: 0.45 mcg/kg IV or subcutaneously once a week or 0.75 mcg/kg once every 2 weeks as appropriate
• Comments: Initiate treatment when hemoglobin is less than 10 g/dL. IV route is recommended for patients on hemodialysis.

Usual Adult Dose for Anemia Associated with Chemotherapy:

• Initial dose: 2.25 mcg/kg subcutaneously once a week or 500 mcg subcutaneously once every 3 weeks
• Duration of therapy: Until completion of chemotherapy course
• Comments: Initiate treatment if hemoglobin is less than 10 g/dL and a minimum of 2 additional months of chemotherapy is planned. Use the lowest dose necessary to avoid RBC transfusions.
• Use: Treatment of anemia in patients with non-myeloid malignancies where anemia is due to the effect of concomitant myelosuppressive chemotherapy.

Side Effects

Increased Mortality, Myocardial Infarction, Stroke, and Thromboembolism; Increased Mortality and/or Increased Risk of Tumor Progression or Recurrence in Patients with cancer; Hypertension; Seizures; Serious allergic reaction; Severe Cutaneous Reactions

Precaution

Pregnancy and lactation, children. Hypertension; history of seizures; hepatic impairment; sickle cell anaemia; sudden stabing migraine-like pain (warning sign of hypotensive crisis); exclude other causes of anaemia; ischaemic vascular disease; thrombocytosis; epilepsy; malignant disease; increase in heparin dose may be needed; increased risk of thrombosis when used for anaemia before orthopedic surgery; CV disease including recent MI/cerebrovascular accident. Monitor haemoglobin, BP and electrolytes; platelet count for 1st 8 wk.

Interaction

Antagonism of hypotensive effect and increased risk of hyperkalemia with ACE inhibitors and angiotensin II receptor antagonists. Ethanol.

Food Interaction

• Administer iron supplement. When initiating an erythropoiesis-stimulating agent, evaluate iron stores and start iron supplementation if indicated. Most patients with chronic kidney disease require iron supplementation while taking an erythropoiesis-stimulating agent.

Pregnancy & Breastfeeding use

Pregnancy Category C. It is not known whether Aranesp Solution Injectable En Stylo Prérempli is excreted in human milk. Because many drugs are excreted in human milk, caution should be exercised when Aranesp Solution Injectable En Stylo Prérempli is administered to a nursing woman.

Contraindication

Darbepoetin is contraindicated in patients with:

• Uncontrolled hypertension
• Pure red cell aplasia (PRCA) that begins after treatment with Darbepoetin or other erythropoietin protein drugs
• Serious allergic reactions to Darbepoetin

Special Warning

Pediatric Use:

• Pediatric Patients With CKD: Darbepoetin safety and efficacy were similar between adults and pediatric patients with CKD when Darbepoetin was used for initial treatment of anemia or patients were transitioned from treatment with epoetin alfa to Darbepoetin
• Pediatric Patients With Cancer: The safety and efficacy of Darbepoetin in pediatric patients with cancer have not been established.

Geriatric Use: Of the 1801 patients with CKD in clinical studies of Darbepoetin, 44% were age 65 and over, while 17% were age 75 and over. Of the 873 patients in clinical studies receiving Darbepoetin and concomitant cancer chemotherapy, 45% were age 65 and over, while 14% were age 75 and over. No differences in safety or efficacy were observed between older and younger patients.

Acute Overdose

Darbepoetin overdosage can cause hemoglobin levels above the desired level, which should be managed with discontinuation or reduction of Darbepoetin dosage and/or with phlebotomy, as clinically indicated. Cases of severe hypertension have been observed following overdose with ESAs

Storage Condition

Store at 2°C to 8°C. Do not freeze. Do not shake. Protect from light; store Aranesp Solution Injectable En Stylo Prérempli in the carton until use. Do not use Aranesp Solution Injectable En Stylo Prérempli that has been shaken or frozen.

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