• Short 1.93-day half-life1

Patients' Injection Experience

PREPARATION

  • Confirm adequate and stable baseline hematologic status prior to QUADRAMET® administration
  • Consent forms signed, benefits verification in place
  • Patient is adequately hydrated with a minimum of 500 mL of fluids
  • Remind patients to arrive on time for their treatment

ADMINISTRATION

  • Patient appears at a center licensed to administer radiopharmaceuticals
  • Establish an intravenous line
  • 1.0 mCi/kg QUADRAMET is administered intravenously over a period of one minute through a secure in-dwelling catheter and followed by a saline flush
  • Patient should be encouraged to void as frequently as possible after injection

DISCHARGE INSTRUCTIONS

  • Patient drinks a minimum of 500 mL (8 oz) and voids as often as possible during the first few hours after the injection
  • For 12 hours after the injection caution must be taken to avoid urine spills/contact; thorough hand washing and flushing twice after using the toilet
  • Some patients have reported a transient increase in bone pain shortly after injection (flare reaction)2
    - This is usually mild and self-limiting and occurs within 72 hours of injection
    - Such reactions are usually responsive to analgesics

FOLLOW-UP

  • Beginning 2 weeks after QUADRAMET administration, blood counts should be monitored weekly for at least 8 weeks or until recovery of adequate bone marrow function
  • Patients who experience a reduction in pain may be encouraged to decrease their use of opioid analgesics

REFERENCES:

  1. Sartor O. Overview of samarium Sm 153 lexidronam in the treatment of painful metastatic bone disease. Rev Urol. 2004;6(suppl 10):S3-S12.
  2. Quadramet® (Samarium Sm 153 Lexidronam Injection) prescribing information. April 2009.