Urologia internationalis · 2013
Prognostic factors including Ki-67 and p53 in Bacillus Calmette-Guérin-treated non-muscle-invasive bladder cancer: a prospective study.
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Oderda Marco, Ricceri Fulvio, Pisano Francesca, Fiorito Chiara, Gurioli Alberto, Casetta Giovanni, Zitella Andrea, Pacchioni Donatella, Gontero Paolo
Аннотация
OBJECTIVES: To prospectively evaluate the prognostic utility of the traditional prognostic factors and molecular markers p53 and Ki-67 in a homogeneous series of patients with non-muscle-invasive bladder cancer (NMIBC) treated with Bacillus Calmette-Guérin (BCG).
PATIENTS AND METHODS: 192 intermediate- and high-risk NMIBC cases were enrolled. The variables in study were age, stage, grade, focality, tumour size, presence of associated carcinoma in situ, recurrence rate before BCG, maintenance for BCG, Ki-67 and p53. The endpoints considered were recurrence-free survival, progression-free survival, cancer-specific survival (CSS) and overall survival (OS).
RESULTS: T stage resulted in being associated with CSS, whereas age with OS. BCG maintenance was a significantly favourable independent predictor of OS, CSS, recurrence and progression. In univariate analysis, the labelling index of Ki-67 was significantly associated with OS, CSS and progression. Multivariate analysis, however, confirmed this association only for OS. On the contrary, the labelling index of p53 was a significant predictor of recurrence, both in uni- and multivariate analyses, but with a HR inferior to 1.
CONCLUSIONS: Ki-67 was an independent predictor of survival. p53 overexpression showed a significant yet inverse correlation with recurrence, thus showing little clinical utility. Age, stage and maintenance were confirmed as independent predictors of BCG response.
PATIENTS AND METHODS: 192 intermediate- and high-risk NMIBC cases were enrolled. The variables in study were age, stage, grade, focality, tumour size, presence of associated carcinoma in situ, recurrence rate before BCG, maintenance for BCG, Ki-67 and p53. The endpoints considered were recurrence-free survival, progression-free survival, cancer-specific survival (CSS) and overall survival (OS).
RESULTS: T stage resulted in being associated with CSS, whereas age with OS. BCG maintenance was a significantly favourable independent predictor of OS, CSS, recurrence and progression. In univariate analysis, the labelling index of Ki-67 was significantly associated with OS, CSS and progression. Multivariate analysis, however, confirmed this association only for OS. On the contrary, the labelling index of p53 was a significant predictor of recurrence, both in uni- and multivariate analyses, but with a HR inferior to 1.
CONCLUSIONS: Ki-67 was an independent predictor of survival. p53 overexpression showed a significant yet inverse correlation with recurrence, thus showing little clinical utility. Age, stage and maintenance were confirmed as independent predictors of BCG response.