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  • 1
    Digitale Medien
    Digitale Medien
    Melbourne, Australia : Blackwell Science Pty
    International journal of urology 12 (2005), S. 0 
    ISSN: 1442-2042
    Quelle: Blackwell Publishing Journal Backfiles 1879-2005
    Thema: Medizin
    Notizen: Abstract Aim: There is increasing evidence that non-steroidal anti-inflammatory drugs are effective for the treatment of nocturia. In this study, we attempted to investigate the role of loxoprofen sodium (loxoprofen) in the therapeutic management of patients with nocturia. Methods: Fifteen benign protastatic hyperplasia and/or overactive bladder patients (13 males and 2 females, 71.1 ± 1.5 years old) with three or more voids per night were involved. These patients had received standard drug therapy. Although these patients had received standard drug therapy for more than half a year, they had still three or more episodes of nocturia. The patients took a single dose of 60 mg of loxoprofen at night prior to sleep. Before and 1 week after the initiation of this therapy, the effects of this treatment were assessed by frequency volume chart and a questionnaire. Results: In the questionnaire, seven patients answered as excellent, six patients demonstrated improvement of their symptoms, two patients did not show a significant change in their symptoms and no patients demonstrated a deterioration in the symptoms. In frequency volume chart, total void per day, total void per night, total urine volume per day, total night urine volume per day and single voided volume in the night before and after this treatment were 9.97 ± 0.81 and 8.99 ± 0.74 per day, 3.82 ± 0.25 and 1.82 ± 0.27 per night, 1349 ± 81 and 1258 ± 91 mL per day, 567 ± 46 and 325 ± 51 mL per night, and 143 ± 13 and 149 ± 10 mL, respectively. Conclusions: Loxoprofen can be effective and useful for patients with nocturia. Our data suggest that the main mechanism of this effect is to decrease urine production during a night's sleep.
    Materialart: Digitale Medien
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  • 2
    Digitale Medien
    Digitale Medien
    Melbourne, Australia : Blackwell Science Pty
    International journal of urology 6 (1999), S. 0 
    ISSN: 1442-2042
    Quelle: Blackwell Publishing Journal Backfiles 1879-2005
    Thema: Medizin
    Notizen: Background: The present investigation was undertaken to examine the effect of insulin treatment on diabetes-induced alterations in endothelin (ET) receptors in rat ureters. Methods: The biochemical properties of ET receptors were examined in rat ureters from the following groups: 8 weeks diabetic (D8); 8 weeks age-matched control (C8); 16 weeks diabetic (D16); 16 weeks diabetic-insulin treated (insulin started 8 weeks after the onset of diabetes) (DI16); and 16 weeks age-matched control (C16). Diabetes was induced by the i.v. injection of 65 mg/kg streptozotocin (STZ). Results: The densities of ET receptors (Bmax values), as determined by saturation experiments with [125I]-ET-1, in the ureteral plasma membranes of D8, C8, D16, DI16 and C16 were 91.7 ± 10.1, 42.1 ± 7.2, 71.1 ± 2.4, 51.5 ± 6.3 and 45.1 ± 3.3 fmol/mg of protein, respectively. [125I]-ET-1 binding to the ET receptors in rat ureteral membrane particulates was inhibited by ET-1 (non-selective), ET-3 (ETB/C selective), BQ 610 (ETA selective) and IRL 1620 (ETB selective) with the following rank order of Ki values: ET-1 〈 BQ 610 〈 ET-3 〈 〈 IRL 1620. The pharmacological profile of the ET receptors was similar in all groups examined and was consistent with the predominance of the ETA receptor subtype in the ureteral membrane particulates. The subtype specificity of ET receptors in the ureteral tissues is confirmed with inhibition data obtained from similar binding studies in cloned human ETA and ETB receptors. Conclusion: The data indicate that diabetes results in an up-regulation of ET receptors in the rat ureter, which is normalized by insulin treatment.
    Materialart: Digitale Medien
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  • 3
    ISSN: 1442-2042
    Quelle: Blackwell Publishing Journal Backfiles 1879-2005
    Thema: Medizin
    Notizen: Abstract  Background:  Intravesical oxybutynin chloride with hydroxypropylcellulose (HPC) (modified intravesical oxybutynin) has been reported to be effective for treatment of overactive bladder. We reported the short-term effects of modified intravesical oxybutynin previously. In the present article, we detail the results of a 3-year follow-up study of patients from our previous analysis and report the efficacy and side-effects of modified intravesical oxybutynin.Methods:  Modified intravesical oxybutynin (5 mg/10 mL, twice a day) was applied for more than 3 years to six neurogenic overactive detrusor patients (three men and three women, average age 53.3 years) who were not satisfied with oral anticholinergic agents or the other therapy. A cystometogram (CMG) was performed before, 1 week after and 3 years after the start of modified intravesical oxybutynin treatment. We evaluated the patient's satisfaction of this treatment after 4 weeks and again after 3 years. We compared the patients’ answers before and after the therapy (excellent, good, fair, unchanged and worse). We also monitored systemic and topical side-effects in these patients during this period.Results:  CMG studies showed that two of six patients no longer exhibited uninhibited contraction 1 week after the treatment and that the cystocapacity of patients before, 1 week after and 3 years after the initial modified intravesical oxybutynin was 129.7 ± 19.4, 283.5 ± 40.4 and 286.8 ± 38.1 mL, respectively. For the evaluation of patients’ satisfaction with this treatment, four patients considered the therapy excellent and one patient described it as good after both 4 weeks and after 3 years. Two patients dropped out of the study; one developed left ureteral cancer (2.25 years) and the other developed ileus (1.5 years). Dry mouth and acute cystitis were observed in both patients.Conclusion:  Modified intravesical oxybutynin is an effective and relatively safe option of therapy for overactive bladder patients. However, this therapy requires careful observation for emergent side-effects.
    Materialart: Digitale Medien
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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  • 4
    Digitale Medien
    Digitale Medien
    Melbourne, Australia : Blackwell Science Pty
    International journal of urology 9 (2002), S. 0 
    ISSN: 1442-2042
    Quelle: Blackwell Publishing Journal Backfiles 1879-2005
    Thema: Medizin
    Materialart: Digitale Medien
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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  • 5
    ISSN: 1573-4919
    Schlagwort(e): prostate ; endothelin receptors ; diabetes
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Biologie , Chemie und Pharmazie , Medizin
    Notizen: Abstract Streptozotocin (STZ)-induced diabetes causes an upregulation in the expression of endothelin (ET) receptors in the rat prostate (Eur J Pharmacol 310:197, 1996). We examined the effects of insulin treatment, started 8 weeks after the induction of diabetes, on the expression and distribution of ET receptors and their respective mRNAs in the rat prostate. The densities, pharmacological properties and distribution of ET receptors in the rat prostate were examined using radioligand receptor binding and autoradiographic studies, and gene expression of ET receptors was evaluated utilizing the reverse transcription-polymerase chain reaction (RT-PCR). STZ-injected rats had smaller prostates and reduced serum testosterone levels than control and insulin treated diabetic animals. ET receptor density was shown to be significantly higher in the prostate from diabetic rats than those from either control or insulin treated diabetic animals. The pharmacological profile of prostatic ET receptors was similar in all groups (approximately 80% ETA; 20% ETB subtype). ET receptors were predominantly localized to the prostatic stroma. Induction of diabetes increased the expression of mRNA levels of ETA and ETB receptors, and insulin treatment reversed this upregulation to control levels. These results indicate that (1) ET receptor subtypes are expressed in the rat prostate as transcription and translation products; (2) insulin can normalize the diabetes-induced upregulation in the expression of ET receptors and their respective mRNAs; and (3) diabetes-induced regression of the prostate may involve an alteration in ET receptors.
    Materialart: Digitale Medien
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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