Table 3

Mean (SD) cumulative urinary recovery of unchanged stavudine and total radioactivity following administration of a 50 mg/kg dose of [2-14C] stavudine to male rats (N = 5) and 25 mg/kg dose of [4-14C] stavudine to female monkeys (N = 3)

Route3-aTime IntervalMean (SD) Cumulative Urinary Recovery (% of Dose)
RatMonkey3-b
Unchanged stavudineTotal radioactivityUnchanged stavudineTotal radioactivity
i.v.0–2486.8  (2.7)84.1  (2.8)43.9  (6.3)49.5  (5.0)
0–4887.9  (3.1)85.2  (2.9)44.4  (6.6)50.3  (5.4)
0–7288.2  (3.1)85.6  (2.9)44.4  (6.6)50.4  (5.3)
0–9688.2  (3.1)85.7  (3.0)44.4  (6.6)50.5  (5.4)
p.o.0–2485.0  (3.6)83.0  (3.7)36.9  (5.8)37.9  (1.5)
0–4886.1  (3.1)84.1  (3.1)37.4  (5.8)39.6  (3.1)
0–7286.4  (2.8)84.5  (2.9)37.4  (5.8)39.8  (3.1)
0–9686.5  (2.7)84.7  (2.7)37.4  (5.8)39.8  (3.1)
  • 3-a IV, intravenous; PO, oral.

  • 3-b From reference Cretton et al., 1993.