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  • Title: The cysteinyl leukotriene D4 receptor antagonist montelukast for the treatment of interstitial cystitis.
    Author: Bouchelouche K, Nordling J, Hald T, Bouchelouche P.
    Journal: J Urol; 2001 Nov; 166(5):1734-7. PubMed ID: 11586212.
    Abstract:
    PURPOSE: The presence of leukotriene D4 receptors in human detrusor myocytes and increased urinary leukotriene E4 in patients with interstitial cystitis and detrusor mastocytosis imply a role for cysteinyl containing leukotrienes as proinflammatory mediators in this disease. We examined the efficacy of the cysteinyl leukotriene 1 receptor antagonist montelukast for treating patients with interstitial cystitis and detrusor mastocytosis. MATERIALS AND METHODS: Ten women in whom interstitial cystitis was diagnosed according to National Institute of Diabetes and Digestive and Kidney Diseases criteria and who also had detrusor mastocytosis with a minimum of 28 mast cells per mm.2 muscle tissue were included in this study. Patients received a single dose of montelukast daily for 3 months. The efficacy of treatment was determined by 24-hour urinary frequency, nocturia and pain using visual analog scales. RESULTS: After 1 month of montelukast treatment there was a statistically significant decrease in 24-hour urinary frequency, nocturia and pain which persisted during the 3 months of treatment. After 3 months 24-hour urinary frequency had decreased from 17.4 to 12 voidings (p = 0.009), nocturia had decreased from 4.5 to 2.8 (p = 0.019) and pain had decreased from 46.8 to 19.6 mm. on a visual analog scale (p = 0.006). No side effects were observed during treatment. CONCLUSIONS: Montelukast treatment resulted in significant improvement in urinary frequency and pain. Its efficacy for decreasing urinary frequency and pain imply a role of leukotriene receptor antagonists for managing interstitial cystitis but further placebo controlled clinical studies are needed.
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