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  • 1
    Digitale Medien
    Digitale Medien
    Oxford, UK : Blackwell Publishing Ltd
    Clinical & experimental allergy 20 (1990), S. 0 
    ISSN: 1365-2222
    Quelle: Blackwell Publishing Journal Backfiles 1879-2005
    Thema: Medizin
    Notizen: Corticosteroids may mediate some of their anti-inflammatory action by the induction of lipocortin-1, which inhibits phospholipase A2 activity. Raised levels of antibodies to lipocortin have been found in patients with rheumatoid arthritis (RA) and systemic lupus erythematosus (SLE) and it has been postulated that these may contribute to steroid resistance. A proportion of asthmatic patients fail to respond to treatment with corticosteroids and one possible mechanism is that these patients have raised levels of anti-lipocortin antibodies. We have therefore measured IgG and IgM antibodies to lipocortin by enzyme linked immunosorbent assay (ELISA) in eight corticosteroid-sensitive (CS) and 7 corticosteroid-resistant (CR) asthmatic subjects, and in eight normal controls. Comparison of asthmatic subjects with normal controls revealed no significant differences in either IgG or IgM antibodies to lipocortin. Comparison of CS asthmatic subjects with CR asthmatic subjects similarly revealed no significant differences in the concentration of either IgG or IgM antibodies to lipocortin. Levels of anti-lipocortin antibodies did not correlate with clinical response to treatment with 40 mg/day of prednisolone. Anti-lipocortin antibodies are unlikely to be involved in the inflammation seen in asthma, or in the relative insensitivity to corticosteroids seen in CR asthmatic subjects.
    Materialart: Digitale Medien
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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  • 2
    ISSN: 1434-9949
    Schlagwort(e): Kidney ; NSAID ; Tenoxicam ; Osteoarthritis ; Rheumatoid Arthritis
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Medizin
    Notizen: Summary Fifty-eight patients, aged 48–87 years, with impaired renal function and mean initial creatinine clearance of 52.1 mls/min were recruited to a 12-week open study of tenoxicam 20 mg/day for osteoarthrosis or rheumatoid arthritis. Renal function was mea sured before and after a brief run-in period when patients discontinued all nonsteroidal anti-inflammatory drugs, taking paracetamol alone, prior to monthly monitoring thereafter. Fifty-four% of patients completed the study, the others being withdrawn from lack of efficacy (17%), adverse events (24%) or both (5%). During the run-in period the mean creatinine clearance of 28 patients completing the trial improved to 64.7 mls/min and then dropped to 57.9 mls/min during the course of 12 weeks treatment with tenoxicam. Serial analysis of haematological and biochemical safety parameters showed no drug-induced change of significance. Twenty-three% of patients felt worse and 45% better at the end of treatment. Seventeen patients withdrew because of adverse events. These were normally gastrointestinal and always unrelated to further deterioration in renal function. Tenoxicam, 20 mg/day, can be given safely for a period of at least three months in patients with mild or moderate renal impairment.
    Materialart: Digitale Medien
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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