Biomedical subjects
Publications and source records attributed to C Bramato.
CGP 9000 (cefroxadine), a new cephalosporine derived from N-acyl-3-alkoxy-7-amino-3-cefem-4-carboxylic acid for exclusively oral use, has been experimented on 67 patients, 41 adults and 20 children. CGP 9000 appeared to possess good therapeutic activity, even in low doses: its rapid absorption and moderate sero-protein bond are a guarantee of an immediate and almost total bioavailability.
The results of a pharmacokinetic and clinical study of cephamandol naphate indicated that the drug quickly reaches high plasma concentration after both i.m. and i.v. bolus administration. Urinary excretion of the biologically active form is as much as 84--90% of the total dose and mostly takes place in the first 6 hr. The therapeutic response was good: clinical cure in 90%, marked improvement in 6.6%, no change in 3.3%.
Following a short review of the viruses underlying viral hepatitis and those which, as a secondary factory in the clinical picture, may cause fleeting liver damge, the subdivision of chronic hepatitis conditions on histopathological bases is described. Particular attention is paid to pathogenesis, with a study of the elimination of B virus, correlated to particular histopathological types. A series of 27 PCH and 49 ACH cases is reported. Of special significance was the observation of 14 ACH out of 17 biopsied drug addicts. The therapeutic problem of chronic hepatitis is then tackled.
Following a review of the latest methods of treating infections of the urinary ways, the pharmacokinetic and clinical results of a new antibiotic, Carfecillin, are reported. The examination was carried out on a total of 10 volunteers. The substance showed good serum levels and fair renal excretion with both the 250 mg and the 500 mg p.o. doses. The clinical study was carried out on a double blind basis versus a standard reference (indanyl ester of carbenicillin) in 26 patients and showed the electivity of the antibiotic in the oral treatment of urinary infections under well tolerated conditions.
The pharmacokinetics of kanendomycin, a new aminoglycoside derived from kanamycin, has been assessed in 15 volunteers after i.m. administration of 100 and 300 mg and i.v. administration of 100 mg. Analysis of the tricompartmental model adopted for the pharmacokinetic study showed that kanendomycin half-life is similar and perhaps superior to that of gentamycin. The antibiotic's bioavailability is of the order of 70-80% of the dose used.
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