Clinical evolution of patients with non-muscle invasive bladder cancer treated with bacillus Calmette-Guérin
DOI:
https://doi.org/10.48193/revistamexicanadeurologa.v83i3.949Keywords:
Calmette-Guérin bacillus, transurethral resection, intravesical therapy, relapse/progressionAbstract
Introduction: In non-muscle-invasive high-grade carcinoma of the bladder, after resection, intravesical treatment with bacillus Calmette-Guérin is recommended.
Objective: To characterize the patients with CVNMI treated with 40 mg of the bacillus, safety, and recurrence/progression rate pattern.
Methodology: A descriptive study of 77 patients from the Hospital Hermanos Ameijeiras, treated from 2012 to 2016. Cox logistic regression and Kaplan-Meier survival curves were used, with 0,05 significance level (95% confidence interval).
Results and value: The mean age was 70.2 years, 80.5% male and 85.7% smokers. High-grade lesions, bladder lateral site, and smaller than 3 cm predominated (70%). Rate to recurrence/progression of patients was 50.6/39.1 %. Progression-free survival was 4.7 years, significant in those with multiple, high-grade, and T1 lesions (p < 0.05). The main adverse events were cystitis and grade 1-2 fever.
Conclusions: male patients and smokers predominated, as well as smaller and high-grade tumors. The relationship of progression with the presence of high grade, female sex and old age was significant. BCG administration at 40 mg, up to 18 doses was safe and beneficial in overall survival, but not in relapse/progression-free survival, in relation to the presence of T1, multiple, and high-grade lesions.
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