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The pharmacokinetics of newly developed ceftizoxime suppository (CZX-S) was studied in healthy volunteers and in children, compared with that of intramuscular CZX and intravenous CZX: In 8 volunteers (aged 19 to 24 years), each of 500 mg (potency) CZX-S containing 3%, 4% and 5% sodium caprate was compared with 500 mg intramuscular CZX and 500 mg intravenous CZX as a single administration in the cross-over method. In addition each of 500 mg CZX-S containing 4% and 5% sodium caprate was studied in 2 groups of 8 volunteers (aged 22 to 24 years) and of 8 volunteers (aged 19 to 27 years); each CZX-S was given 3 times a day successively for 5 days. The pharmacokinetics of 125 mg and 250 mg CZX-S, which contained 3% sodium caprate, were also evaluated as a single administration in 9 children (aged 6 years 4 months to 12 years 0 month) and in 11 children (aged 7 years 8 months to 12 years 4 months), respectively. The irritabilities of CZX-S were studied in all subjects who participated in this trial. The feeling of foreign body, the feeling of defecation, the burning sensation and the pain were evaluated in volunteers; the feeling of defecation and the pain were evaluated in children. The results were as follows: I. Pharmacokinetics in healthy volunteers 1. Given as a single administration The mean peak concentrations of serum CZX were occurred 30 minutes after 500 mg CZX-S containing 3%, 4% and 5% sodium caprate, which were 10.5 mcg/ml, 12.3 mcg/ml and 12.4 mcg/ml, respectively. These values were 1.35 mcg/ml, 1.60 mcg/ml and 1.69 mcg/ml at the conversion unit of 1 mg dose per 1 kg body weight. The mean peak serum CZX concentration of CZX-S containing 3% sodium caprate was slightly lower than that of CZX-S containing 4% or 5% sodium caprate, but was 1.9 times higher than that of the ABPC suppository. There was no marked difference among 3 preparations of CZX-S in mean Tmax and T1/2. Cmax of CZX-S containing 3% sodium caprate was 1.40 mcg/ml at the conversion unit of 1 mg/kg. AUC of CZX-S containing 3% sodium caprate was slightly smaller than that of CZX-S containing 4% or 5% sodium caprate, but 3.1 times that of the ABPC suppository in healthy volunteers. When 500 mg CZX was intramuscularly administered by one shot to 8 volunteers, Tmax was same as that of CZX-S or was slightly later.(ABSTRACT TRUNCATED AT 400 WORDS)
T Motohiro, and
M Aramaki, and
K Tanaka, and
T Koga, and
Y Shimada, and
N Tomita, and
Y Sakata, and
T Fujimoto, and
T Nishiyama, and
N Kuda
October 1985,
The Japanese journal of antibiotics,
T Motohiro, and
M Aramaki, and
K Tanaka, and
T Koga, and
Y Shimada, and
N Tomita, and
Y Sakata, and
T Fujimoto, and
T Nishiyama, and
N Kuda
October 1985,
The Japanese journal of antibiotics,
T Motohiro, and
M Aramaki, and
K Tanaka, and
T Koga, and
Y Shimada, and
N Tomita, and
Y Sakata, and
T Fujimoto, and
T Nishiyama, and
N Kuda
October 1985,
The Japanese journal of antibiotics,
T Motohiro, and
M Aramaki, and
K Tanaka, and
T Koga, and
Y Shimada, and
N Tomita, and
Y Sakata, and
T Fujimoto, and
T Nishiyama, and
N Kuda
October 1985,
The Japanese journal of antibiotics,
T Motohiro, and
M Aramaki, and
K Tanaka, and
T Koga, and
Y Shimada, and
N Tomita, and
Y Sakata, and
T Fujimoto, and
T Nishiyama, and
N Kuda
October 1985,
The Japanese journal of antibiotics,
T Motohiro, and
M Aramaki, and
K Tanaka, and
T Koga, and
Y Shimada, and
N Tomita, and
Y Sakata, and
T Fujimoto, and
T Nishiyama, and
N Kuda
October 1985,
The Japanese journal of antibiotics,
T Motohiro, and
M Aramaki, and
K Tanaka, and
T Koga, and
Y Shimada, and
N Tomita, and
Y Sakata, and
T Fujimoto, and
T Nishiyama, and
N Kuda
October 1985,
The Japanese journal of antibiotics,
T Motohiro, and
M Aramaki, and
K Tanaka, and
T Koga, and
Y Shimada, and
N Tomita, and
Y Sakata, and
T Fujimoto, and
T Nishiyama, and
N Kuda
October 1985,
The Japanese journal of antibiotics,
T Motohiro, and
M Aramaki, and
K Tanaka, and
T Koga, and
Y Shimada, and
N Tomita, and
Y Sakata, and
T Fujimoto, and
T Nishiyama, and
N Kuda
October 1985,
The Japanese journal of antibiotics,
T Motohiro, and
M Aramaki, and
K Tanaka, and
T Koga, and
Y Shimada, and
N Tomita, and
Y Sakata, and
T Fujimoto, and
T Nishiyama, and
N Kuda
January 1982,
The Japanese journal of antibiotics,
