ArticleCancer medicine2025
Effects of the Number of Neoadjuvant Cycles and Addition of Adjuvant Chemotherapy on the Prognosis of Muscle-Invasive Bladder Cancer Treated With Radical Cystectomy.
Article in Cancer medicine, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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Who cites it
5 citing papers in PubMed.
- Editorial Comment to "Perioperative Systemic Treatment Patterns and Postoperative Mortality Among Patients With Muscle-Invasive Bladder Cancer Undergoing Radical Cystectomy in Japan: WAKKA-MIBC Study".International journal of urology : official journal of the Japanese Urological Association · 2026Article
- Perioperative Systemic Treatment Patterns and Postoperative Mortality Among Patients With Muscle-Invasive Bladder Cancer Undergoing Radical Cystectomy in Japan: WAKKA-MIBC Study.International journal of urology : official journal of the Japanese Urological Association · 2026Observational
- Comprehensive analysis of oncological outcomes of radical cystectomy for non-muscle invasive bladder cancer.Scientific reports · 2026Article
- Efficacy of cisplatin-based neoadjuvant chemotherapy and risk factors for residual extravesical disease in muscle-invasive bladder cancer: insights from a nationwide cohort.International journal of clinical oncology · 2025Article
- Trends in the use and efficacy of adjuvant immunotherapy in muscle-invasive urothelial carcinoma.Scientific reports · 2025Article
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Authors and funding
41 authors.
Funding
Abstract
objectiveTo evaluate the effects of the number of neoadjuvant chemotherapy (NAC) cycles and the addition of adjuvant chemotherapy (AC) after NAC on overall survival (OS) of patients with muscle-invasive bladder cancer (MIBC). PATIENTS AND
methodsWe retrospectively evaluated 1687 patients with cT2-4NxM0 MIBC who received radical cystectomy (RC) alone or RC plus perioperative chemotherapy at 36 institutions within the Japanese Urological Oncology Group. We evaluated the effect of the number of NAC cycles (2 vs. ≥ 3 cycles) and the addition of AC on OS.
resultsAmong the 1687 patients analyzed, 946 received a median of three NAC cycles. The pathologic complete response rate did not significantly differ between those who received 2 (22.9%) and ≥ 3 cycles (27.5%, p = 0.112). Moreover, no significant difference in OS was observed between the groups (p = 0.559). Multivariable Cox regression analysis showed that pathologic high-risk (ypT2-4, pT3-4, or pN+) or cisplatin ineligibility were significantly associated with poor OS but not the number of NAC cycles (p = 0.238). We identified 942 pathologically high-risk patients after RC who were eligible for AC. Notably, no significant OS improvement was observed with the addition of AC as intensive perioperative chemotherapy after NAC. The primary limitation was selection bias from confounding by clinical indication.
conclusionsOur findings showed that three or more NAC cycles and the addition of AC may have limited effects on OS in MIBC patients who received RC.
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