Ganciclovir: Difference between revisions

(Ganciclovir peds dosing)
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==Adult Dosing==
==Adult Dosing==
*CMV prophylaxis, solid organ transplant
*[[CMV]] prophylaxis, solid organ transplant
**IV route: 5 mg/kg IV q12h x7-14 days, then 5 mg/kg IV q24h or 6 mg/kg IV 5x/wk
**IV route: 5 mg/kg IV q12h x7-14 days, then 5 mg/kg IV q24h or 6 mg/kg IV 5x/wk
**PO route: 1000 mg PO tid, give w/ food
**PO route: 1000 mg PO tid, give w/ food


*CMV prophylaxis, HIV-assoc.
*[[CMV]] prophylaxis, HIV-assoc.
**IV route: 5 mg/kg IV 5-7x/wk; Info: not 1st-line agent
**IV route: 5 mg/kg IV 5-7x/wk; Info: not 1st-line agent
**PO route: 1000 mg PO tid; Info: not 1st-line agent; give w/ food
**PO route: 1000 mg PO tid; Info: not 1st-line agent; give w/ food


*CMV retinitis, immunocompromised pts
*[[CMV]] retinitis, immunocompromised pts
**Induction tx: 5 mg/kg IV q12h x14-21 days; Info: not 1st-line agent
**Induction tx: 5 mg/kg IV q12h x14-21 days; Info: not 1st-line agent
**Maintenance tx, IV route: 5 mg/kg IV 5-7x/wk; Alt: 6 mg/kg IV 5x/wk; Info: not 1st-line agent
**Maintenance tx, IV route: 5 mg/kg IV 5-7x/wk; Alt: 6 mg/kg IV 5x/wk; Info: not 1st-line agent
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*Off label use as pediatric medication
*Off label use as pediatric medication


*CMV prophylaxis, solid organ transplant
*[[CMV]] prophylaxis, solid organ transplant
**Induction: 5 mg/kg IV q12h x7-14 days
**Induction: 5 mg/kg IV q12h x7-14 days
**Maintenance: 5 mg/kg IV q24h; Alt: 6 mg/kg IV 5x/wk
**Maintenance: 5 mg/kg IV q24h; Alt: 6 mg/kg IV 5x/wk


*CMV prophylaxis, HIV-assoc: 5 mg/kg IV q24h
*[[CMV]] prophylaxis, HIV-assoc: 5 mg/kg IV q24h


*CMV infection
*[[CMV]] infection
**Induction: 5 mg/kg IV q12h x14-21 days; Info: may incr. dose to 7.5 mg/kg IV q12h
**Induction: 5 mg/kg IV q12h x14-21 days; Info: may incr. dose to 7.5 mg/kg IV q12h
**Maintenance: 5 mg/kg IV q24h; Alt: 6 mg/kg IV 5x/wk
**Maintenance: 5 mg/kg IV q24h; Alt: 6 mg/kg IV 5x/wk


*CMV infection, congenital (<1 mo): 6 mg/kg IV q12h x6wk
*[[CMV]] infection, congenital (<1 mo): 6 mg/kg IV q12h x6wk


==Special Populations==
==Special Populations==
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==Adverse Reactions==
==Adverse Reactions==
===Serious===
===Serious===
*thrombocytopenia
*[[thrombocytopenia]]
*neutropenia
*[[neutropenia]]
*pancytopenia
*pancytopenia
*sepsis
*[[sepsis]]
*nephrotoxicity
*nephrotoxicity
*seizures
*[[seizures]]
*retinal detachment
*retinal detachment
*HTN
*[[HTN]]
*pancreatitis
*[[pancreatitis]]
===Common===
===Common===
*diarrhea
*[[diarrhea]]
*fever
*[[fever]]
*leukopenia
*[[leukopenia]]
*anorexia
*[[anorexia]]
*vomiting
*[[vomiting]]


==Pharmacology==
==Pharmacology==
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<references/>
<references/>
[[Epocrates, UpToDate]]
[[Epocrates, UpToDate]]
[[Category:Drugs]]

Revision as of 12:04, 7 February 2016

Administration

  • Type: Antiviral
  • Routes of Administration: IV, PO
  • Common Trade Names: Cytovene

Adult Dosing

  • CMV prophylaxis, solid organ transplant
    • IV route: 5 mg/kg IV q12h x7-14 days, then 5 mg/kg IV q24h or 6 mg/kg IV 5x/wk
    • PO route: 1000 mg PO tid, give w/ food
  • CMV prophylaxis, HIV-assoc.
    • IV route: 5 mg/kg IV 5-7x/wk; Info: not 1st-line agent
    • PO route: 1000 mg PO tid; Info: not 1st-line agent; give w/ food
  • CMV retinitis, immunocompromised pts
    • Induction tx: 5 mg/kg IV q12h x14-21 days; Info: not 1st-line agent
    • Maintenance tx, IV route: 5 mg/kg IV 5-7x/wk; Alt: 6 mg/kg IV 5x/wk; Info: not 1st-line agent
    • Maintenance tx, PO route: 1000 mg PO tid; Alt: 500 mg PO q3h while awake (6 doses/day); Info: not 1st-line agent; give w/ food

Pediatric Dosing

  • Off label use as pediatric medication
  • CMV prophylaxis, solid organ transplant
    • Induction: 5 mg/kg IV q12h x7-14 days
    • Maintenance: 5 mg/kg IV q24h; Alt: 6 mg/kg IV 5x/wk
  • CMV prophylaxis, HIV-assoc: 5 mg/kg IV q24h
  • CMV infection
    • Induction: 5 mg/kg IV q12h x14-21 days; Info: may incr. dose to 7.5 mg/kg IV q12h
    • Maintenance: 5 mg/kg IV q24h; Alt: 6 mg/kg IV 5x/wk
  • CMV infection, congenital (<1 mo): 6 mg/kg IV q12h x6wk

Special Populations

Renal Dosing

  • IV route, induction tx: CrCl 50-69: 2.5 mg/kg q12h; CrCl 25-49: 2.5 mg/kg q24h; CrCl 10-24: 1.25 mg/kg q24h; CrCl <10: 1.25 mg/kg 3x/wk; HD: give dose after dialysis, no supplement
  • IV route, maintenance tx: CrCl 50-69: 2.5 mg/kg q24h; CrCl 25-49: 1.25 mg/kg q24h; CrCl 10-24: 0.625 mg/kg q24h; CrCl <10: 0.625 mg/kg 3x/wk; HD: give dose after dialysis, no supplement
  • PO route: CrCl 50-69: 1500 mg/day divided qd-tid; CrCl 25-49: 1000 mg/day divided qd-bid; CrCl 10-24: 500 mg qd; CrCl <10: 500 mg 3x/wk; HD: give dose after dialysis, no supplement

Contraindications

  • Allergy to class/drug
  • hypersens. to acyclovir
  • ANC <500
  • Plt <25,000

Adverse Reactions

Serious

Common

Pharmacology

  • Half-life: 3hr
  • Metabolism: CYP450
  • Excretion: Urine

Mechanism of Action

Inhibits DNA polymerase and incorporates into viral DNA

Comments

See Also

References

Epocrates, UpToDate