le 61 patients were 75 years and over. No overall differences in
safety or effectiveness were observed between subjects 65 years and
over and younger subjects. While this and other reported clinical
experience have not identified differences in responses between the
elderly and younger patients, greater sensitivity of some older
individuals cannot be ruled out.
This drug is known to be substantially excreted by the kidney.
Because elderly patients are more likely to have decreased renal
function, care should be taken in dose selection in the elderly, and
it may be useful to assess renal function in these patients prior to
initiating dosing and periodically thereafter (see Dosage and
Administration (2.2); Clinical Pharmacology (12.3)).
10 OVERDOSAGE
During controlled clinical trials in healthy subjects, single
doses of up to 800 mg JANUVIA were administered. Maximal mean
increases in QTc of 8.0 msec were observed in one study at a dose of
800 mg JANUVIA, a mean effect that is not considered clinically
important (see Clinical Pharmacology (12.2)). There is no experience
with doses above 800 mg in humans.
In the event of an overdose, it is reasonable to employ the usual
supportive measures, e.g., remove unabsorbed material from the
gastrointestinal tract, employ clinical monitoring (including
obtaining an electrocardiogram), and institute supportive therapy as
dictated by the patient's clinical status.
Sitagliptin is modestly dialyzable. In clinical studies,
approximately 13.5% of the dose was removed over a 3- to 4-hour
hemodialysis session. Prolonged hemodialysis may be considered if
clinically appropriate. It is not known if sitagliptin is dialyzable
by peritoneal dialysis.
11 DESCRIPTION
JANUVIA Tablets contain sitagliptin phosphate, an orally-active
inhibitor of the dipeptidyl peptidase-4 (DPP-4) enzyme.
Sitagliptin phosphate is described chemically as
7-((3R)-3-amino-1-oxo-4-(2,4,5-trifluoro
'"/>Page: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 Related medicine technology :1.
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