Clopidogrel

CLINICAL USE


Antiplatelet agent

DOSE IN NORMAL RENAL FUNCTION

75 mg dailyAcute coronary syndrome and post-MI: 300 mg loading dose then 75 mg daily (with aspirin 75–325 mg daily)

PHARMACOKINETICS

  • Molecular weight &nbsp &nbsp &nbsp &nbsp &nbsp &nbsp &nbsp &nbsp &nbsp &nbsp &nbsp &nbsp &nbsp :419.9 (as hydrogen sulphate)
  • %Protein binding &nbsp &nbsp &nbsp &nbsp &nbsp &nbsp &nbsp &nbsp &nbsp &nbsp &nbsp &nbsp &nbsp :98
  • %Excreted unchanged in urine &nbsp &nbsp : 50
  • Volume of distribution (L/kg) &nbsp &nbsp &nbsp :No data
  • half-life – normal/ESRD (hrs)&nbsp &nbsp &nbsp :8 (active metabolite)/–

    DOSE IN RENAL IMPAIRMENT

    GFR (mL/MIN)

  • 20 to 50 &nbsp &nbsp : Dose as in normal renal function
  • 10 to 20 &nbsp &nbsp : Dose as in normal renal function
  • <10 &nbsp &nbsp &nbsp &nbsp &nbsp : Dose as in normal renal function

    DOSE IN PATIENTS UNDERGOING RENAL REPLACEMENT THERAPIES

  • CAPD &nbsp &nbsp &nbsp &nbsp &nbsp &nbsp &nbsp &nbsp:Unlikely to be dialysed. Dose as in normal renal function

  • HD &nbsp &nbsp &nbsp &nbsp &nbsp &nbsp &nbsp &nbsp &nbsp &nbsp :Unlikely to be dialysed. Dose as in normal renal function
  • HDF/high flux &nbsp :Unknown dialysability. Dose as in normal renal function
  • CAV/VVHD &nbsp &nbsp &nbsp:Unlikely to be dialysed. Dose as in normal renal function

    IMPORTANT DRUG INTERACTIONS

    Potentially hazardous interactions with other drugsAnticoagulants: enhanced anticoagulant effect with coumarins and phenindione; manufacturer advises to avoid concomitant use with warfarinHeparin: increased risk of bleeding