Lenalidomide

CLINICAL USE

Treatment of multiple myeloma in combination with dexamethasone

DOSE IN NORMAL RENAL FUNCTION

25 mg daily on days 1–21 of a 28 day cycle; reduce dose if patient has neutropenia or thrombocytopenia; see data sheet

PHARMACOKINETICS

  • Molecular weight                           :259.3
  • %Protein binding                           :22.7–29.2
  • %Excreted unchanged in urine     : 65–85
  • Volume of distribution (L/kg)       :86 litres
  • half-life – normal/ESRD (hrs)      :3.5/>9

    DOSE IN RENAL IMPAIRMENT

    GFR (mL/MIN)

    30–50 10 mg daily, increasing to 15 mg after 2 cycles if patient is not responding<30 15 mg every 48 hours

    DOSE IN PATIENTS UNDERGOING RENAL REPLACEMENT THERAPIES

  • CAPD                :Probably dialysed. 15 mg 2–3 times a week
  • HD                     :Probably dialysed. 15 mg 3 times a week post dialysis
  • HDF/high flux   :Probably dialysed. 15 mg 3 times a week post dialysis
  • CAV/VVHD      :Probably dialysed. Dose as in GFR=30–50 mL/min

    IMPORTANT DRUG INTERACTIONS

    Potentially hazardous interactions with other drugsCardiac glycosides: possibly increases concentration of digoxin

    ADMINISTRATION

    Reconstition

    Route

    Oral

    Rate of Administration

    Comments

    OTHER INFORMATION

    May cause acute renal failure – monitor renal function during treatment. Patients with renal impairment are more likely to develop side effects

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