Piracetam
Piracetam.JPG

CLINICAL USE

Myoclonus

DOSE IN NORMAL RENAL FUNCTION

7.2 g daily in 2–3 divided doses titrated to a maximum of 20 g daily

PHARMACOKINETICS

  • Molecular weight                           :142.2
  • %Protein binding                           :15
  • %Excreted unchanged in urine     : >90
  • Volume of distribution (L/kg)       :0.7
  • half-life – normal/ESRD (hrs)      :5/Increased

    DOSE IN RENAL IMPAIRMENT

    GFR (mL/MIN)

    50–80 4.8 g in 2–3 divided doses30–50 1.2 g twice daily20–30 1.2 g daily<20
  • Contraindicated

    DOSE IN PATIENTS UNDERGOING RENAL REPLACEMENT THERAPIES

  • CAPD                :Likely dialysability. Avoid.
  • Contraindicated
  • HD                     :Dialysed. Avoid.
  • Contraindicated
  • HDF/high flux   :Dialysed. Avoid.
  • Contraindicated
  • CAV/VVHD      :Unknown dialysability. Dose as in GFR=20–30 mL/min

    IMPORTANT DRUG INTERACTIONS

    Potentially hazardous interactions with other drugs
  • None known

    ADMINISTRATION

    Reconstition

    –

    Route

    Oral

    Rate of Administration

    –

    Comments

    –



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