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Updated: Feb 10, 2026

A Functional Whole Blood Assay to Measure Viability of Mycobacteria, using Reporter-Gene Tagged BCG or M.Tb BCG lux/M.Tb lux
Published on: September 14, 2011
[BCG therapy in NMIBC: How much and for how long?.]
Andrea Sánchez Vázquez1, José Gregorio Pereira Arias1, Mikel Gamarra Quintanilla1
1Urología Clínica Bilbao. Clínica IMQ Zorrotzaurre. Bilbao. Bizkaia. España.
Bladder cancer recurrence after BCG treatment requires further therapeutic options. This review explores alternative treatments for non-muscle invasive bladder cancer (NMIBC) that progresses despite Bacillus Calmette-Guérin therapy.
Area of Science:
- Uro-oncology
- Cancer research
- Oncological treatments
Background:
- Bladder cancer is a global health concern, with non-muscle invasive bladder cancer (NMIBC) accounting for over 75% of cases.
- Bacillus Calmette-Guérin (BCG) instillations are standard treatment for high- and intermediate-risk NMIBC to prevent recurrence and progression.
- Despite BCG treatment, some patients experience disease recurrence or progression to muscle-invasive bladder cancer (MIBC).
Purpose of the Study:
- To review and summarize therapeutic strategies for managing bladder cancer recurrence following failed BCG treatment.
- To provide an overview of alternative treatment options for patients with NMIBC refractory to BCG therapy.
Main Methods:
- Literature review of existing studies and clinical trials.
- Analysis of therapeutic options for recurrent NMIBC after BCG failure.
- Synthesis of data on treatment efficacy and outcomes.
Main Results:
- Identified various treatment modalities for BCG-refractory NMIBC.
- Discussed the efficacy and limitations of different therapeutic approaches.
- Highlighted the challenges in achieving complete disease control in such cases.
Conclusions:
- Recurrence of bladder cancer after BCG treatment necessitates exploration of alternative therapies.
- A range of treatment options exist, but patient selection and treatment strategy are crucial for optimal outcomes.
- Further research is needed to optimize treatment protocols for BCG-unresponsive NMIBC.
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