Revision of Cidofovir from Sep 13, 2023

Dosing: Adult Antimicrobial Dosing, Non-dialysis

Adenovirus* 

High Dose Strategy Criteria to initiate: CrCl >55 mL/min, SCr<1.5 mg/dL, urine protein <100mg/dL Increase in SCr of 0.3-0.4 mg/dL Increase in SCr of >0.5 mg/L or 3+ proteinuria
 Induction (initial dosing) 5 mg/kg IV once weekly WITH probenecid x 2 doses 3 mg/kg IV once weekly WITH probenecid x 2 doses Discontinue
 Maintenance 5 mg/kg IV once every 2 weeks WITH probenecid 3 mg/kg IV every 2 weeks WITH probenecid Discontinue

*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 Strategy Criteria to initiate: CrCl >55 mL/min, SCr<1.5 mg/dL, urine protein <100mg/dL Increase in SCr of 0.3-0.4 mg/dL Increase in SCr of >0.5 mg/L or 3+ proteinuria
 Induction (initial dosing)  for BK viruria (hemorrhagic cystitis) in hematopoietic cell transplant recipients 5 mg/kg IV once weekly WITH probenecid x 2 doses 3 mg/kg IV once weekly WITH probenecid x 2 doses Discontinue
 Maintenance for BK viruria (hemorrhagic cystitis) in hematopoietic cell transplant recipients 5 mg/kg IV once every 2 weeks WITH probenecid 3 mg/kg IV every 2 weeks WITH probenecid Discontinue
Low Dose Strategy Criteria to initiate: CrCl >55 mL/min, SCr<1.5 mg/dL, urine protein <100mg/dL Increase in SCr of 0.3-0.4 mg/dL Increase in SCr of >0.5 mg/L or 3+ proteinuria

BK viremia (BK nephropathy) in kidney transplant

0.25 - 0.5 mg/kg IV once weekly WITHOUT probenecid 0.25 - 0.5 mg/kg IV once weekly WITHOUT probenecid Discontinue

*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)

  Criteria to initiate: CrCl >55 mL/min, SCr<1.5 mg/dL, urine protein <100mg/dL Increase in SCr of 0.3-0.4 mg/dL Increase in SCr of >0.5 mg/L or 3+ proteinuria
 Induction (initial dosing) 5 mg/kg IV once weekly WITH probenecid x 2 doses 3 mg/kg IV once weekly WITH probenecid x 2 doses Discontinue
 Maintenance 5 mg/kg IV once every 2 weeks WITH probenecid 3 mg/kg IV every 2 weeks WITH probenecid Discontinue

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 Indications Minimal data; consult ID pharmacy for assistance

Dialysis Notes

Intermittent HD assumes high-flux hemodialysis. CRRT assumes CVVHD with ultrafiltration rate 2L/h and residual native GFR < 10 mL/min.  

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: