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Cancer Survival Analysis01:21

Cancer Survival Analysis

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Cancer survival analysis focuses on quantifying and interpreting the time from a key starting point, such as diagnosis or the initiation of treatment, to a specific endpoint, such as remission or death. This analysis provides critical insights into treatment effectiveness and factors that influence patient outcomes, helping to shape clinical decisions and guide prognostic evaluations. A cornerstone of oncology research, survival analysis tackles the challenges of skewed, non-normally...
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  11. Comparative Survival Analysis Of Bladder Preservation Therapy Versus Radical Cystectomy In Muscle-invasive Bladder Cancer

Comparative survival analysis of bladder preservation therapy versus radical cystectomy in muscle-invasive bladder cancer

Nai-Wen Kang1, Yin-Hsun Feng1, Kuei-Li Lin2

  • 1Division of Hematology and Oncology, Department of Internal Medicine, Chi Mei Medical Center, Tainan, Taiwan.

Cancer Medicine
|February 21, 2024

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View abstract on PubMed

Summary
This summary is machine-generated.

Bladder preservation therapy offers similar survival outcomes to radical cystectomy for muscle-invasive bladder cancer (MIBC) in Asian patients. This suggests shared decision-making is key for effective bladder cancer treatment.

Area of Science:

  • Oncology
  • Urology
  • Cancer Research

Background:

  • Muscle-invasive bladder cancer (MIBC) presents treatment challenges.
  • Radical cystectomy is a standard treatment, but bladder preservation therapy (BPT) is an alternative.
  • Outcomes of BPT versus radical cystectomy in Asian populations require further investigation.

Purpose of the Study:

  • To compare survival outcomes between BPT and radical cystectomy in MIBC patients.
  • To utilize a large Asian nationwide cancer registry database for robust analysis.
  • To identify predictive factors for survival in MIBC patients undergoing different treatments.

Main Methods:

  • Retrospective analysis of the Taiwan Cancer Registry and National Health Insurance Research Database (2008-2018).
  • Inclusion of urothelial carcinoma patients with clinical stage T2-T4aN0-1M0.
Keywords:
bladder preservation therapyconcurrent chemoradiotherapymuscle-invasive bladder cancerradical cystectomy

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  • Propensity score matching to balance baseline characteristics between BPT and radical cystectomy groups.
  • Kaplan-Meier method for survival analysis (OS, CSS, DFS) and multivariate Cox regression for predictive factor identification.

    • Main Results:

    • 393 MIBC patients were analyzed post-propensity score matching (131 BPT, 262 radical cystectomy).
    • No significant differences in overall survival (OS), cancer-specific survival (CSS), or disease-free survival (DFS) were observed between the groups.
    • Multivariable analysis confirmed BPT was non-inferior to radical cystectomy for OS, CSS, and DFS, including in patients aged ≥80 years.

    Conclusions:

    • Bladder preservation therapy demonstrates comparable survival outcomes to radical cystectomy in Asian MIBC patients.
    • These findings support the consideration of BPT as a viable treatment option.
    • A multidisciplinary approach and shared decision-making are recommended for optimal bladder cancer management.