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  • 1
    Electronic Resource
    Electronic Resource
    Influence of renal function on the elimination of morphine and morphine glucuronides (1988)
    Springer
    European journal of clinical pharmacology 34 (1988), S. 353-357 
    Details
    ISSN: 1432-1041
    Keywords: morphine ; morphine glucuronides ; renal function ; pharmacokinetics ; radioimmunoassay
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Medicine
    Notes: Summary The influence of renal function, measured by 51Cr-EDTA clearance, on morphine and morphine glucuronide kinetics has been studied in 13 patients after a single i.v. injection of morphine. Unconjugated morphine and morphine glucuronides were measured by a sensitive, specific RIA after extraction from plasma. No significant correlation was found between total body clearance of unconjugated morphine and 51Cr-EDTA clearance. However, patients with renal insufficiency had impaired elimination of morphine glucuronides, and the apparent clearance was significantly correlated with the 51Cr-EDTA clearance (r=0.94, p〈0.001). A relatively long terminal elimination half-life of morphine was found in all patients (mean±SD: 9.2±2.5 h), irrespective of glomerular function.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00542435
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  • 2
    Electronic Resource
    Electronic Resource
    5-Aminosalicylic acid in patients with an ileo-rectal anastomosis (1986)
    Springer
    European journal of clinical pharmacology 31 (1986), S. 23-26 
    Details
    ISSN: 1432-1041
    Keywords: sulphasalazine ; Pentasa ; slow release preparation ; 5-aminosalicylic acid ; ileo-rectal anastomosis ; ulcerative colitis ; pharmacokinetics
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Medicine
    Notes: Summary The pharmacokinetics of 5-aminosalicylic acid (5-ASA) from sulphasalazine (SASP) and the slow-release 5-ASA preparation Pentasa was investigated in a cross-over study in 9 otherwise healthy patients with an ileo-rectal anastomosis. The 24-hour recoveries of the drugs were 90.5% and 84.7%, respectively. The median release of 5-ASA from SASP was 50% and from Pentasa 75%. Equal amounts of 5-ASA (18.0% vs 17.9%) were found in the faeces, and a significantly larger amount (4.4% vs 28.9%) of the metaboliteN-acetyl-5-aminosalicylic acid (ac-5-ASA) was found in faeces following Pentasa. A larger amount of 5-ASA was absorbed and subsequently excreted in the urine, mainly as the metabolite (2.5% vs 20.5%) from Pentasa. This confirms previous results in ileostomized patients treated with Pentasa. The present findings also demonstrate that bacterial azo-reduction of SASP in patients with ileorectal anastomosis may be an adequate way to deliver 5-ASA in this type of patient. Both treatments may be used in these patients during a flare up of ulcerative colitis, but randomized studies are needed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00870980
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
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