sitagliptin
CLINICAL USE
Treatment of type 2 diabetes in combination with metformin or a thiazolidinedione
DOSE IN NORMAL RENAL FUNCTION
100 mg once daily
PHARMACOKINETICS
Molecular weight                           :523.3 (as phosphate) %Protein binding                           :38 %Excreted unchanged in urine     : 79 Volume of distribution (L/kg)       :198 litreshalf-life – normal/ESRD (hrs)      :12.4/Probably increased DOSE IN RENAL IMPAIRMENT
GFR (mL/MIN)
30–50 50 mg once daily<30 25 mg once daily DOSE IN PATIENTS UNDERGOING RENAL REPLACEMENT THERAPIES
CAPD                :Not dialysed. Dose as in GFR>30 mL/min HD                     :Not dialysed. Dose as in GFR>30 mL/minHDF/high flux   :Dialysed. Dose as in GFR>30 mL/minCAV/VVHD      :Unknown dialysability. Dose as in GFR>30 mL/min IMPORTANT DRUG INTERACTIONS
Potentially hazardous interactions with other drugsNone known ADMINISTRATION
Reconstition
– Route
Oral Rate of Administration
–Comments
– OTHER INFORMATION
13.5% of dose is removed during a 3–4 hour haemodialysis sessionIn severe renal impairment (GFR<30 mL/min) the AUC was increased 4-fold50 mg and 25 mg tablets are only available in the USA at present.
See how to identify renal failure stages according to GFR calculation
See how to diagnose irreversible renal disease
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