isosorbide mononitrate

CLINICAL USE


Vasodilator:Treatment and prophylaxis of angina Adjunct in congestive heart failure

DOSE IN NORMAL RENAL FUNCTION

20–120 mg/day in divided doses

PHARMACOKINETICS

  • Molecular weight &nbsp &nbsp &nbsp &nbsp &nbsp &nbsp &nbsp &nbsp &nbsp &nbsp &nbsp &nbsp &nbsp :191.1
  • %Protein binding &nbsp &nbsp &nbsp &nbsp &nbsp &nbsp &nbsp &nbsp &nbsp &nbsp &nbsp &nbsp &nbsp :<4
  • %Excreted unchanged in urine &nbsp &nbsp : 2
  • Volume of distribution (L/kg) &nbsp &nbsp &nbsp :0.6
  • half-life – normal/ESRD (hrs)&nbsp &nbsp &nbsp :1.5–5/Unchanged

    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:Not dialysed. Dose as in normal renal function

  • HD &nbsp &nbsp &nbsp &nbsp &nbsp &nbsp &nbsp &nbsp &nbsp &nbsp :Dialysed. Dose as in normal renal function
  • HDF/high flux &nbsp :Dialysed. Dose as in normal renal function
  • CAV/VVHD &nbsp &nbsp &nbsp:Probably Dialysed. Dose as in normal renal function

    IMPORTANT DRUG INTERACTIONS

    Potentially hazardous interactions with other drugsSildenafil: hypotensive effect significantly enhanced – avoid concomitant useTadalafil: hypotensive effect significantly enhanced – avoid concomitant use
  • Vardenafil: hypotensive effect significantly enhanced – avoid concomitant use

    ADMINISTRATION

    Reconstition

    Route

    Oral

    Rate of Administration

    Comments

    OTHER INFORMATION

    Tolerance may develop. This may be minimised by having nitrate-‘free’ periodsisosorbide mononitrate.