Finasteride

CLINICAL USE

Benign prostatic hypertrophy Male pattern baldness

DOSE IN NORMAL RENAL FUNCTION

BPH: 5 mg dailyMale pattern baldness: 1 mg daily

PHARMACOKINETICS

Molecular weight :372.5

%Protein binding :≈93

%Excreted unchanged in urine : <0.05

Volume of distribution (L/kg) :1.07

half-life – normal/ESRD (hrs) :6–8/Unchanged

DOSE IN RENAL IMPAIRMENT

GFR (mL/MIN)

20 to 50 : Dose as in normal renal function

10 to 20 : Dose as in normal renal function

<10 : Dose as in normal renal function

DOSE IN PATIENTS UNDERGOING RENAL REPLACEMENT THERAPIES

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

HD :Unlikely to be dialysed. Dose as in normal renal function

HDF/high flux :Unknown dialysability. Dose as in normal renal function

CAV/VVHD :Unlikely to be dialysed. Dose as in normal renal function

IMPORTANT DRUG INTERACTIONS

Potentially hazardous interactions with other drugs

None known

ADMINISTRATION

Reconstition

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Route

Oral

Rate of Administration

–

Comments

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OTHER INFORMATION

Data sheet states that no dosage adjustment is required in renally impaired patients whose creatinine clearance is as low as 9 mL/min. No studies have been done in patients with creatinine clearance of less than 9 mL/min

See how to identify renal failure stages according to GFR calculation

See how to diagnose irreversible renal disease

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