Urology practice · 2021
OUTCOMES OF INTRAVESICAL BACILLUS CALMETTE-GUERIN IN A MULTIRACIAL COHORT WITH NON-MUSCLE-INVASIVE BLADDER CANCER.
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Barry Emily, Agalliu Ilir, Maiman Richard, Shreck Evan, Kovac Evan, Aboumohamed Ahmed, Sankin Alexander
Аннотация
INTRODUCTION: We sought to determine if outcomes of Bacillus Calmette-Guerin (BCG) therapy in patients with non-muscle-invasive bladder cancer (NMIBC) vary by race.
METHODS: A retrospective chart review was conducted on 149 patients treated with BCG for intermediate- and high-risk NMIBC between 2001 and 2018, and who were followed up for cancer recurrence through March 2019.The primary outcomes were disease-free survival (DFS), low-grade disease-free survival (LGDFS), high-grade disease-free survival (HGDFS), and progression-free survival (PFS) at five years. Kaplan-Meier survival curves stratified by race (African American vs non-African American) were analyzed for all the above outcomes and multivariate Cox regression analyses were also performed to compare recurrence differences by race, after adjusting for age, sex, initial stage and grade.
RESULTS: Of the 149 patients, 37.6% were Caucasian, 24.8% were African American, 26.8% were Hispanic, and 10.7% were of other/unknown race. Disease stage at initial presentation was 65.1% Ta, 34.9% T1, and 18.1% CIS. African American patients (N=37) did not have evidence for worse outcomes compared to non-African American patients when considering DFS (54.1% vs. 65.7%, p = 0.202), HGDFS (58.8% vs. 71.7%, p = 0.158), and PFS (83.8% vs. 92.6%, p = 0.117) at five years. Multivariate analysis did not reveal statistically significant racial differences in recurrence or progression.
CONCLUSIONS: African Americans with NMIBC did not have worse disease recurrence and progression after receiving intravesical BCG treatment. Although there did appear to be a trend towards worse oncologic outcomes in African Americans, larger studies are needed to validate this finding.
METHODS: A retrospective chart review was conducted on 149 patients treated with BCG for intermediate- and high-risk NMIBC between 2001 and 2018, and who were followed up for cancer recurrence through March 2019.The primary outcomes were disease-free survival (DFS), low-grade disease-free survival (LGDFS), high-grade disease-free survival (HGDFS), and progression-free survival (PFS) at five years. Kaplan-Meier survival curves stratified by race (African American vs non-African American) were analyzed for all the above outcomes and multivariate Cox regression analyses were also performed to compare recurrence differences by race, after adjusting for age, sex, initial stage and grade.
RESULTS: Of the 149 patients, 37.6% were Caucasian, 24.8% were African American, 26.8% were Hispanic, and 10.7% were of other/unknown race. Disease stage at initial presentation was 65.1% Ta, 34.9% T1, and 18.1% CIS. African American patients (N=37) did not have evidence for worse outcomes compared to non-African American patients when considering DFS (54.1% vs. 65.7%, p = 0.202), HGDFS (58.8% vs. 71.7%, p = 0.158), and PFS (83.8% vs. 92.6%, p = 0.117) at five years. Multivariate analysis did not reveal statistically significant racial differences in recurrence or progression.
CONCLUSIONS: African Americans with NMIBC did not have worse disease recurrence and progression after receiving intravesical BCG treatment. Although there did appear to be a trend towards worse oncologic outcomes in African Americans, larger studies are needed to validate this finding.