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English Abstract
Journal Article
Randomized Controlled Trial
[Therapeutic effect of mitomycin C in the immediate postoperatory in patients with low-risk non-muscle-invasive bladder tumours].
Actas Urologicas Españolas 2008 September
INTRODUCTION: Bladder cancer is a disease with a high prevalence due to its recurrence rate. Transurethral resection of the bladder (TURB) is the treatment in initial stages. Nevertheless, a high percentage of non-muscle-invasive tumors treated will have a recurrence 1-2 years afterwards. Adjuvant quemotherapy or immunotherapy after TURB has been administered in order to decrease the rate of recurrence and to prevent progression.
PATIENTS AND METHODS: A prospectived, controlled and randomized study was performed. We included 100 patients with non-muscle-invasive and bladder tumors the low grade. All patients had initially a TURB performed and were randomized to either receive or not a single dose mitomycin C (MMC) in the immediate postoperatory.
RESULTS: All low grade tumors was less than 3 cm. Mean follow-up was 26.43 +/- 7.65 months. MMC was administered in 49 patients, of these, 67.3% had no recurrence and 32.7% had a non-muscle-invasive recurrence. Of the 51 patients in the non mitomycin, 51% had no recurrence while 47% had a non-muscle-invasive recurrence, and 2% had a muscle-invasive progression. We found significantly differences in time to recurrence among the two groups.
SUMMARY: We found a greater time to recurrence in the group of single dose adjuvant MMC being this difference statistically significantly when comparing with the other group.
PATIENTS AND METHODS: A prospectived, controlled and randomized study was performed. We included 100 patients with non-muscle-invasive and bladder tumors the low grade. All patients had initially a TURB performed and were randomized to either receive or not a single dose mitomycin C (MMC) in the immediate postoperatory.
RESULTS: All low grade tumors was less than 3 cm. Mean follow-up was 26.43 +/- 7.65 months. MMC was administered in 49 patients, of these, 67.3% had no recurrence and 32.7% had a non-muscle-invasive recurrence. Of the 51 patients in the non mitomycin, 51% had no recurrence while 47% had a non-muscle-invasive recurrence, and 2% had a muscle-invasive progression. We found significantly differences in time to recurrence among the two groups.
SUMMARY: We found a greater time to recurrence in the group of single dose adjuvant MMC being this difference statistically significantly when comparing with the other group.
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