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  • Anti-inflammatory and analgesic drug  (1)
  • saliva pH  (1)
  • 1
    Digitale Medien
    Digitale Medien
    Springer
    European journal of clinical pharmacology 10 (1976), S. 257-262 
    ISSN: 1432-1041
    Schlagwort(e): Anti-inflammatory and analgesic drug ; indoprofen ; pharmacokinetics ; bioavailability ; man
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Chemie und Pharmazie , Medizin
    Notizen: Summary In a pharmacokinetic study of the new analgesic and anti-inflammatory drug indoprofen, plasma levels and urinary excretion were determined in four healthy volunteers after 100 mg and 200 mg iv, and after 100 mg (capsules) and 200 mg (tablets) oral doses. After iv administration, the mean biological half-life (t1/2 β) was about 2 h (range 1.4 to 3.2 h). The apparent volume of distribution Vdβ ranged between 11 to 17 % of body weight, indicating its limited extravascular distribution. Most of the drug was excreted in urine as glucuronide and a smaller proportion as unchanged indoprofen: the 24 h urinary excretion of these compounds accounted for 67 to 95 % of an iv dose. Peak plasma levels occurred between 30 and 120 minutes after oral administration of 100 mg as capsules or 200 mg as tablets. The mean biological half-life was about 2 h, as after iv administration. The bioavailability of oral doses was assessed using both plasma levels and urinary excretion data. The absorption of capsules and tablets was practically complete, that of the former being faster.
    Materialart: Digitale Medien
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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  • 2
    Digitale Medien
    Digitale Medien
    Springer
    European journal of clinical pharmacology 20 (1981), S. 113-118 
    ISSN: 1432-1041
    Schlagwort(e): trimethoprim ; sulfamethopyrazine ; saliva levels ; serum levels ; saliva pH
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Chemie und Pharmazie , Medizin
    Notizen: Summary A combination of trimethoprim (TMP) and sulfamethopyrazine (SMP) was administered to six healthy volunteers for 8 days, according to the proposed therapeutic repeated dose schedule. The weak base TMP (pKa=7.3) and the weak acid SMP (pKa=6.1) were measured simultaneously in serum and saliva, both under normal conditions and after stimulation of saliva flow. The flow of saliva was stimulated by chewing plastic material in order to obtain saliva at a pH close to the normal plasma pH of 7.4. This procedure excluded pH-dependent distribution effects. Under these experimental conditions a highly significant correlation was observed between the serum and saliva concentrations of both drugs, with very small inter- and intraindividual variations. Substantial agreement was found between the saliva:serum concentration ratio and the fractions of both drugs not bound to plasma protein. Some discrepancies were noted, probably due to minor shifts in saliva pH during the collection period.
    Materialart: Digitale Medien
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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