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Publication Abstract

Authors: Gandaglia G, Popa I, Abdollah F, Schiffmann J, Shariat SF, Briganti A, Montorsi F, Trinh QD, Karakiewicz PI, Sun M

Title: The Effect of Neoadjuvant Chemotherapy on Perioperative Outcomes in Patients Who Have Bladder Cancer Treated with Radical Cystectomy: A Population-based Study.

Journal: Eur Urol :-

Date: 2014 Jan 24

Abstract: BACKGROUND: Although therapeutic guidelines recommend the use of neoadjuvant chemotherapy before radical cystectomy (RC) in patients who have muscle-invasive bladder cancer (MIBC), this approach remains largely underused. One of the main reasons for this phenomenon might reside in concerns regarding the risk of morbidity and mortality associated with neoadjuvant chemotherapy. OBJECTIVE: To compare perioperative outcomes between patients receiving neoadjuvant chemotherapy and those treated with RC alone. DESIGN, SETTING, AND PARTICIPANTS: Relying on the Surveillance Epidemiology and End Results-Medicare-linked database, 3760 patients diagnosed with MIBC between 2000 and 2009 were evaluated. INTERVENTION: RC alone or RC plus neoadjuvant chemotherapy. OUTCOME MEASUREMENTS AND STATISTICAL ANALYSIS: Complications occurred within 30 and 90 d after surgery. Heterologous blood transfusions (HBTs), length of stay (LoS), readmission, and perioperative mortality were compared. To decrease the effect of unmeasured confounders associated with treatment selection, propensity score-matched analyses were performed. RESULTS AND LIMITATIONS: Overall, 416 (11.1%) of patients received neoadjuvant chemotherapy. Following propensity score matching, 416 (20%) and 1664 (80%) patients treated with RC plus neoadjuvant chemotherapy and RC alone remained, respectively. The 30-d complication, readmission, and mortality rates were 66.0%, 32.2%, and 5.3%, respectively. The 90-d complication, readmission, and mortality rates were 72.5%, 46.6%, and 8.2%, respectively. When patients were stratified according to neoadjuvant chemotherapy status, no significant differences were observed in the rates of complications, HBT, prolonged LoS, readmission, and mortality between the two groups (all p ≥ 0.1). These results were confirmed in multivariate analyses, where the use of neoadjuvant chemotherapy was not associated with higher risk of 30- and 90-d complications, HBT, prolonged LoS, readmission, and mortality (all p ≥ 0.1). Our study is limited by its retrospective nature. CONCLUSIONS: The use of neoadjuvant chemotherapy is not associated with higher perioperative morbidity or mortality. These results should encourage wider use of neoadjuvant chemotherapy when clinically indicated. PATIENT SUMMARY: Chemotherapy before radical cystectomy in patients with muscle-invasive bladder cancer does not increase the risk of complications or death. The use of chemotherapy should be strongly encouraged, as recommended by clinical guidelines, given its benefits.

Last Modified: 03 Sep 2013