Luspatercept Dosage
Medically reviewed by Drugs.com. Last updated on Dec 6, 2024.
Applies to the following strengths: aamt 25 mg; aamt 75 mg
Usual Adult Dose for:
Additional dosage information:
Usual Adult Dose for Anemia
Initial dose: 1 mg/kg subcutaneously once every 3 weeks
- If no reduction in red blood cell transfusions after 2 doses (6 weeks), increase to 1.25 mg/kg.
Comments:
- This drug is not a substitute for red blood cell transfusions in the immediate correction of anemia.
- Assess and review hemoglobin (Hgb) prior to each administration; if a red blood cell transfusion occurred prior to dosing, use pretransfusion Hgb for dosing purposes.
- If pre-dose Hgb is 11.5 g/dL or higher (not related to recent transfusion), delay dose until Hgb is 11 g/dL or less.
- If treatment response is lost, search for causative factors (e.g. bleeding event); if typical causes are excluded, increase dose to 1.25 mg.
- Discontinue therapy if no decrease in transfusions is seen after 9 weeks (3 doses) at the maximum dose or unacceptable toxicity occurs (at any time).
Use: Treatment of anemia in beta thalassemia patients who require regular red blood cell transfusions.
Usual Adult Dose for Thalassemia
Initial dose: 1 mg/kg subcutaneously once every 3 weeks
- If no reduction in red blood cell transfusions after 2 doses (6 weeks), increase to 1.25 mg/kg.
Comments:
- This drug is not a substitute for red blood cell transfusions in the immediate correction of anemia.
- Assess and review hemoglobin (Hgb) prior to each administration; if a red blood cell transfusion occurred prior to dosing, use pretransfusion Hgb for dosing purposes.
- If pre-dose Hgb is 11.5 g/dL or higher (not related to recent transfusion), delay dose until Hgb is 11 g/dL or less.
- If treatment response is lost, search for causative factors (e.g. bleeding event); if typical causes are excluded, increase dose to 1.25 mg.
- Discontinue therapy if no decrease in transfusions is seen after 9 weeks (3 doses) at the maximum dose or unacceptable toxicity occurs (at any time).
Use: Treatment of anemia in beta thalassemia patients who require regular red blood cell transfusions.
Renal Dose Adjustments
No adjustment recommended for mild to moderate renal impairment.
Data not available for severe renal impairment
Liver Dose Adjustments
No adjustment recommended.
Precautions
CONTRAINDICATIONS: None
Safety and efficacy have not been established in patients younger than 18 years.
This drug is not recommended for use in children.
Consult WARNINGS section for additional precautions.
Dialysis
Data not available
Other Comments
Administration advice:
- For subcutaneous administration only into the upper arm, thigh, and/or abdomen.
- Missed/delayed doses: administer as soon as possible and continue dosing as prescribed, with at least 3 weeks between doses.
Storage requirements: Refrigerate. Do not freeze.
Reconstitution/preparation techniques: The manufacturer product information should be consulted.
Monitoring:
- Assess and review hemoglobin (Hgb) prior to each administration; if a red blood cell transfusion occurred prior to dosing, use pretransfusion Hgb for dosing purposes.
- If pre-dose Hgb is 11.5 g/dL or higher (not related to recent transfusion), delay dose until Hgb is 11 g/dL or less.
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Further information
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