Urologic oncology · 2022
Long-term follow-up of sequential intravesical gemcitabine and docetaxel salvage therapy for non-muscle invasive bladder cancer.
СтатьяПоддержка NIH: внешняя программаПоддержка исследования: вне правительства СШАНазвание и аннотация: Перевод в очереди
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Chevuru Phani T, McElree Ian M, Mott Sarah L, Steinberg Ryan L, O'Donnell Michael A, Packiam Vignesh T
Аннотация
INTRODUCTION: Intravesical gemcitabine and docetaxel (Gem/Doce) has been established as a safe and efficacious salvage treatment for recurrent NMIBC since 2015. Despite widespread adoption of this regimen, long-term outcomes have not been described. We report our experience with intravesical Gem/Doce following BCG failure in a large cohort of patients with extended follow-up.
METHODS: We retrospectively identified 97 patients at our institution treated with Gem/Doce for high-risk NMIBC after BCG failure between 2009 and 2017. Patients received six weekly intravesical Gem/Doce instillations. Monthly maintenance for 2 years was initiated if disease free at first follow-up. Outcomes included recurrence-free survival (RFS), high-grade recurrence-free survival (HG-RFS), progression-free survival (PFS), cystectomy-free survival (CFS), cancer-specific survival (CSS), and overall survival (OS). Survival probabilities were estimated using the Kaplan-Meier method.
RESULTS: Median follow-up was 49 months. Median age was 73 years, and 71% of the cohort had CIS containing disease. Thirty five percent of the cohort had BCG-unresponsive disease. Complete response at 3-month surveillance was 74% and median duration of response was 25 months. At 1, 2, and 5 years, HG-RFS was 60%, 50%, and 30%, respectively. HG-RFS was similar among BCG-unresponsive patients and the overall cohort. During follow-up, 20 patients underwent cystectomy and 15 patients experienced disease progression. Five-year PFS, CFS, CSS, and OS were 82%, 75%, 91%, and 64%, respectively.
CONCLUSIONS: In this long-term analysis, intravesical Gem/Doce for high-risk NMIBC after BCG failure yielded a 75% 5-year bladder preservation rate and a 91% 5-year cancer-specific survival rate. Further prospective trials are warranted.
METHODS: We retrospectively identified 97 patients at our institution treated with Gem/Doce for high-risk NMIBC after BCG failure between 2009 and 2017. Patients received six weekly intravesical Gem/Doce instillations. Monthly maintenance for 2 years was initiated if disease free at first follow-up. Outcomes included recurrence-free survival (RFS), high-grade recurrence-free survival (HG-RFS), progression-free survival (PFS), cystectomy-free survival (CFS), cancer-specific survival (CSS), and overall survival (OS). Survival probabilities were estimated using the Kaplan-Meier method.
RESULTS: Median follow-up was 49 months. Median age was 73 years, and 71% of the cohort had CIS containing disease. Thirty five percent of the cohort had BCG-unresponsive disease. Complete response at 3-month surveillance was 74% and median duration of response was 25 months. At 1, 2, and 5 years, HG-RFS was 60%, 50%, and 30%, respectively. HG-RFS was similar among BCG-unresponsive patients and the overall cohort. During follow-up, 20 patients underwent cystectomy and 15 patients experienced disease progression. Five-year PFS, CFS, CSS, and OS were 82%, 75%, 91%, and 64%, respectively.
CONCLUSIONS: In this long-term analysis, intravesical Gem/Doce for high-risk NMIBC after BCG failure yielded a 75% 5-year bladder preservation rate and a 91% 5-year cancer-specific survival rate. Further prospective trials are warranted.