Cidofovir

Dosing: Adult Antimicrobial Dosing, Non-dialysis

Adenovirus* 

High Dose StrategyCriteria to initiate: CrCl >55 mL/min, SCr<1.5 mg/dL, urine protein <100mg/dLIncrease in SCr of 0.3-0.4 mg/dLIncrease in SCr of >0.5 mg/L or 3+ proteinuria
 Induction (initial dosing)5 mg/kg IV once weekly WITH probenecid x 2 doses3 mg/kg IV once weekly WITH probenecid x 2 dosesDiscontinue
 Maintenance5 mg/kg IV once every 2 weeks WITH probenecid3 mg/kg IV every 2 weeks WITH probenecidDiscontinue

*There may be alternative dosing available, particularly in renal impairment. Discuss with ID pharmacist to evaluate if patient meets criteria.

At UCSF, there is an adult inpatient order set available for use – IP Adult Cidofovir (VISTIDE) Order set

 BK virus*

High Dose StrategyCriteria to initiate: CrCl >55 mL/min, SCr<1.5 mg/dL, urine protein <100mg/dLIncrease in SCr of 0.3-0.4 mg/dLIncrease in SCr of >0.5 mg/L or 3+ proteinuria
Induction (initial dosing)  for BK viruria (hemorrhagic cystitis) in hematopoietic cell transplant recipients5 mg/kg IV once weekly WITH probenecid x 2 doses3 mg/kg IV once weekly WITH probenecid x 2 dosesDiscontinue
Maintenance for BK viruria (hemorrhagic cystitis) in hematopoietic cell transplant recipients5 mg/kg IV once every 2 weeks WITH probenecid3 mg/kg IV every 2 weeks WITH probenecidDiscontinue
Low Dose StrategyCriteria to initiate: CrCl >55 mL/min, SCr<1.5 mg/dL, urine protein <100mg/dLIncrease in SCr of 0.3-0.4 mg/dLIncrease in SCr of >0.5 mg/L or 3+ proteinuria
BK viremia (BK nephropathy) in kidney transplant0.25 - 0.5 mg/kg IV once weekly WITHOUT probenecid0.25 - 0.5 mg/kg IV once weekly WITHOUT probenecidDiscontinue
Induction (initial dosing) for BK viruria (hemorrhagic cystitis) in hematopoietic cell transplant recipients1 mg/kg/dose IV once weekly WITHOUT probenecidInsufficient data; discuss with ID/ASP pharmacy
Maintenance for BK viruria (hemorrhagic cystitis) in hematopoietic cell transplant recipientsInsufficient data; discuss with ID/ASP pharmacy

*There may be alternative dosing available, particularly in renal impairment. Discuss with ID pharmacist to evaluate if patient meets criteria.

At UCSF, there is an adult inpatient order set available for use – IP Adult Cidofovir (VISTIDE) Order set

Cytomegalovirus (CMV)

IndicationCriteria to initiate: CrCl >55 mL/min, SCr<1.5 mg/dL, urine protein <100mg/dLIncrease in SCr of 0.3-0.4 mg/dLIncrease in SCr of >0.5 mg/L or 3+ proteinuria
 Induction (initial dosing)5 mg/kg IV once weekly WITH probenecid x 2 doses3 mg/kg IV once weekly WITH probenecid x 2 dosesDiscontinue
 Maintenance5 mg/kg IV once every 2 weeks WITH probenecid3 mg/kg IV every 2 weeks WITH probenecidDiscontinue

At UCSF, there is an adult inpatient order set available for use – IP Adult Cidofovir (VISTIDE) Order set

Dosing: Antimicrobial Dosing in Intermittent & Continuous Hemodialysis

Indication

Intermittent Hemodialysis

Continuous Hemodialysis
All IndicationsInsufficient data; discuss with ID/ASP pharmacy

Dialysis Notes

IV Fluids: Give 1L NS over 30 minutes prior to cidofovir administration.  If able to tolerate, give an additional 1L NS at the start or immediately after cidofovir administration.

Probenecid: 2g PO 3 hours prior to cidofovir, then 1g PO 2 and 8 hours after cidofovir (total 4g)

Restrict to ID or Antimicrobial Stewardship except:

1) For treatment or prophylaxis against viral infection in a BMT patient

References: