[Clinical studies of cefsulodin in the pediatric field].

Pharmacokinetic and clinical evaluations of cefsulodin (CFS) were made and the following results were obtained. 1. Pharmacokinetic study Three hundred fifty grams of CFS (20 mg/kg) was administered by 30 minutes intravenous drip infusion to 7 years old child (17.5 kg in weight). Serum concentrations of CFS at the end of the infusion and 1,1.5,2.5,6.5 hours thereafter were 46.0,44.9,23.0,11.9 mcg/ml and 0.6 mcg/ml respectively. Urinary recovery rate until 6 hours from the start of infusion was 66.2%. 2. Clinical study CFS was administered to the case of bronchitis with cystic fibrosis of the pancreas and bronchiectasia (treatment was made 2 times), and each 1 case of pyelonephritis with renal calculus and measles pneumonia with infantile spasm. All infections were caused by P. aeruginosa and administration and dosage of CFS was 47 to 86 mg/kg/day, 2 to 4 times daily by intravenous injection or intravenous drip infusion for 5 to 11 days. Result was good in 3 infections (2 cases) and fair in 1 case, i.e. measles pneumonia. Effectiveness rate was 75.0%. Side effect as well as abnormal change of laboratory findings were not observed. Thus, CFS is considered to be the useful drug for the treatment of pediatric infection caused by P. aeruginosa.