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  • 1990-1994  (2)
  • healthy volunteers  (2)
  • Life Sciences (general)
  • nadolol
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  • 1
    ISSN: 1432-1041
    Keywords: Lisuride ; pharmacokinetics ; prolactin concentrations ; healthy volunteers ; adverse effects
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Medicine
    Notes: Summary The plasma concentration of lisuride and prolactin have been measured in twelve healthy male volunteers after IV, IM or SC injection of 25 μg lisuride hydrogen maleate as an aqueous solution. After IV administration the plasma lisuride fell in two phases with half-lives of 14 min and 1.5 h. Total clearance was 13 ml·min−1·kg−1. After IM and SC injection the plasma concentrations peaked at 12 to 15 min and the profiles were similar to that found after IV administration. The systemic availabilities were 90% and 94%, respectively. Prolactin concentrations were reduced by a maximum of 60% relative to the normal circadian rhythm after all three routes of administration. The treatments were well tolerated, the only adverse reactions reported by some of the volunteers being mild, transient dizziness, tiredness, and nausea.
    Type of Medium: Electronic Resource
    Library Location Call Number Volume/Issue/Year Availability
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    European journal of clinical pharmacology 38 (1990), S. 71-75 
    ISSN: 1432-1041
    Keywords: Rolipram ; enantiomers ; pharmacokinetics ; healthy volunteers
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Medicine
    Notes: Summary Plasma levels of S-(+)-rolipram and R-(−)-rolipram in six healthy male volunteers were measured by radioimmunoassay after intravenous injection of 0.1 mg and oral administration of 1.0 mg of the pure enantionmers. Following i.v. treatment, plasma levels of both isomers declined in three phases, with half-lives of 0.2 h, 0.6–0.9 h and 6–8 h. Total clearance was 6 ml · min−1 · kg−1. Oral administration of 1.0 mg gave a peak concentration of 16 ng · ml−1 after 0.5 h. Bioavailability of (+)-rolipram was 77% and of the (−) enantiomer it was 74%. There was no significant difference in Cmax, half-life, total clearance or bioavailability between the two enantiomers.
    Type of Medium: Electronic Resource
    Library Location Call Number Volume/Issue/Year Availability
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