ALFACALCIDOL

(1-alpha-hydroxyvitamin D3, One-Alpha)

Standard Prescription

alfacalcidol __mcg PO Q__H (__mcg/kg/24hr)

Dosages

Children:  

0.01-0.05 mcg/kg/dose PO once daily.

Increase dose every 4 to 8 weeks based on clinical response.

Usual maintenance dose in children is 0.25-1 mcg once daily.

Usual adult maximum: 1-2 mcg once daily

Mechanism of Action

A synthetic Vitamin D metabolite which requires hepatic activation; does not require renal activation.

Forms Supplied

capsule:  0.25 mcg
oral drops: 
2 mcg/mL (1 drop = 0.1 mcg). 10 mL bottle

*Use drops within 28 days of first opening bottle*

Comments

Synthetic Vitamin D metabolite which requires hepatic activation; does not require renal activation.

Dose adjustment based on serum PTH.

Usual maximum doses may be exceeded in consultation with nephrology or endocrinology

Monitor calcium, phosphate, iPTH, alkaline phosphatase during dose titration.

References

4, 112

Last Edited

2022-06-08 20:20:45