Neoadjuvant chemotherapy versus cystectomy in management of stages II, and III urinary bladder cancer

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Mohammed A. Osman *
Ayman M. Gabr
Mohammad S. Elkady
(*) Corresponding Author:
Mohammed A. Osman | mmoneam@hotmail.com

Abstract

Purpose: This phase III trial was de - signed to compare the survival benefit, surgical respectability, and toxicities among patients treated by neoadjuvant chemotherapy followed by radical cystectomy (arm A), with those treated by radical cystectomy (arm B) in the management of stage II, III urinary bladder cancer. Patients and Methods: For inclusion, patients should have pathologically proven urothelial carcinoma in urinary bladder, clinical stages from T2N0M0 to T4aN0M0, patient age less than 65 years, and performance state ≤ 2. Additionally, patients should have adequate hematological, renal, and liver functions. Arm A patients underwent 3 cycles of neoadjuvant cisplatin and gemcitabine followed by radical cystectomy, while arm B patients underwent radical cystectomy directly. Results: Thirty patients had been enrolled in each arm between September 2009 and April 2014 in 3 educational institutes in Egypt. The 3 year OS (overall survival) for arm A, and B were 60% and 50% respectively. The median OS for arm A was 36+ months and that for arm B was 32.5 months. The 3 year progression-free survival (PFS) for arm A, and B were 57% and 43% respectively. The median PFS for arm A was 36+ months and for arm B was 28 months. A subgroup analysis was performed to correlate between 3 year OS and predetermined prognostic factors including age, tumor size, pathological stage, and the response to neoadjuvant chemotherapy. The later was performed only in arm A. Both treatment arms were tolerated well with mild toxicities profiles. Conclusion: Neoadjuvant chemotherapy achieved better survival, surgical respectability, with nearly equivalent toxicities when compared with radical cystectomy.

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