Table 2

Pharmacokinetic parameters of organic dinitrates in rats

ParameterIIDNIMDNISDN
IIMNIMMN2-ISMN5-ISMN
A/D 1 (kg liter−1)0.399  ± 0.0700.364  ± 0.0600.483  ± 0.0382-a
α (min−1)0.268  ± 0.0502-a 0.0609  ± 0.00822-a 0.172  ± 0.0272-a
B/D 1 (kg liter−1)0.138  ± 0.0320.0739  ± 0.03602-a 0.133  ± 0.043
β (min−1)0.0244  ± 0.00670.00413  ± 0.000632-a 0.0203  ± 0.0024
V 1 (liter kg−1)1.93  ± 0.412.32  ± 0.312-a 1.63  ± 0.11
V SS (liter kg−1)5.03  ± 1.938.07  ± 1.772-a 3.87  ± 0.45
k 13 or k 14(min−1)0.0736  ± 0.01382-a 0.0194  ± 0.00472-b 0.0126  ± 0.00222-b 0.0543  ± 0.00702-a
CL13 or CL14 (liter min−1 kg−1)0.137  ± 0.0072-a 0.0450  ± 0.01202-a 0.0204  ± 0.00312-a 0.0887  ± 0.01372-a

Each value represents the mean ± S.D. of nine rats administered 200, 100, or 50 mg/kg dose.

  • 2-a  Significantly different from the values of other isomers (P < 0.05).

  • 2-b  Significantly different from the values of IIMN and 5-ISMN (P < 0.05).