Salvage Cryoablation for Recurrent Prostate Cancer Following Radiation-A Comprehensive Review

Cancers (Basel). 2024 Jul 31;16(15):2717. doi: 10.3390/cancers16152717.

ABSTRACT

The treatment options for prostate cancer typically entail active surveillance, surgery, radiation, or a combination of the above. Disease recurrence remains a concern, with a wide range of recurrence rates having been reported in the literature. In the setting of recurrence, the salvage treatment options include salvage prostatectomy, salvage high-intensity focused ultrasound (HIFU), stereotactic body radiotherapy (SBRT), salvage brachytherapy, and salvage cryoablation. In this review, we analyze the currently available data related to salvage cryoablation for recurrent prostate cancer following radiation.

PMID:39123445 | DOI:10.3390/cancers16152717

The treatment options for prostate cancer typically entail active surveillance, surgery, radiation, or a combination of the above. Disease recurrence remains a concern, with a wide range of recurrence rates having been reported in the literature. In the setting of recurrence, the salvage treatment options include salvage prostatectomy, salvage high-intensity focused ultrasound (HIFU), stereotactic body radiotherapy (SBRT), salvage brachytherapy, and salvage cryoablation. In this review, we…

A Multicenter Study of 2-year Outcomes Following Hyperthermia Therapy with Mitomycin C in Treating Non-Muscle Invasive Bladder Cancer: HIVEC-E

Bladder Cancer. 2022 Dec 14;8(4):379-393. doi: 10.3233/BLC-220026. eCollection 2022.

ABSTRACT

INTRODUCTION: High grade, non-muscle invasive bladder cancer (NMIBC) is usually treated with intravesical Bacillus Calmette-Guérin. Chemohyperthermia therapy (CHT) may be a novel alternative therapy for the treatment of NMIBC.

OBJECTIVE: To evaluate the recurrence-free survival (RFS) of patients treated with CHT using the Combat bladder recirculation system (BRS) for NMIBC.

METHODS: This was a prospective multi-institutional study of 1,028 consecutive patients with NMIBC undergoing CHT between 2012 and 2020. A total of 835 patients were treated with CHT with Mitomycin C (MMC). Disease was confirmed on transurethral resection of bladder tumor (TURBT) prior to starting CHT. Follow-up included cystoscopy and subsequent TURBT if recurrence/progression was suspected. The primary endpoint was RFS. Secondary endpoints were progression-free survival (PFS) and adverse events from CHT.

RESULTS AND LIMITATIONS: Median follow up was 22.4 months (Interquartile range (IQR): 12.8 -35.8). Median age was 70.4 years (IQR: 62.1 -78.6). A total of 557 (66.7%), 172 (20.6) and 74 (8.9%) of patients were classified to BCG naïve, BCG unresponsive and BCG failure, respectively. The RFS at 12 months and 24 months for BCG naïve was 87.6% (95% CI 85.0% – 90.4%) and 75.0% (95% CI 71.3% – 78.8%), respectively. The RFS at 12 months and 24 months for BCG unresponsive cohort was 78.1% (95% CI 72.0% – 84.7%) and 57.4% (95% CI 49.7% – 66.3%), respectively. The RFS at 24 months for the BCG unresponsive cohort for CIS with/without papillary disease and papillary only disease were 43.6% (95% CI 31.4% -60.4%) and 64.5% (95% CI 55.4% – 75.1%), respectively. Minor adverse events occurred in 216 (25.6%) patients and severe events occurred in 17 (2.0%) patients.

CONCLUSIONS: CHT with MMC using the Combat BRS is effective in the medium term and has a favorable adverse event profile.

PMID:38994184 | PMC:PMC11181696 | DOI:10.3233/BLC-220026

CONCLUSIONS: CHT with MMC using the Combat BRS is effective in the medium term and has a favorable adverse event profile.

Hematuria Cancer Risk Score with Ultrasound Informs Cystoscopy Use in Patients with Hematuria

Eur Urol Oncol. 2024 May 28:S2588-9311(24)00134-2. doi: 10.1016/j.euo.2024.05.005. Online ahead of print.

ABSTRACT

BACKGROUND: Hematuria is a cardinal symptom of urinary tract cancer and would require further investigations.

OBJECTIVE: To determine the ability of renal bladder ultrasound (RBUS) with the Hematuria Cancer Risk Score (HCRS) to inform cystoscopy use in patients with hematuria.

DESIGN, SETTING, AND PARTICIPANTS: The development cohort comprised 1984 patients with hematuria from 40 UK hospitals (DETECT 1; ClinicalTrials.gov: NCT02676180) who received RBUS. An independent validation cohort comprised 500 consecutive patients referred to secondary care for a suspicion of bladder cancer.

OUTCOME MEASUREMENTS AND STATISTICAL ANALYSIS: Sensitivity and true negative of the HCRS and RBUS were assessed.

RESULTS AND LIMITATIONS: A total of 134 (7%) and 36 (8%) patients in the development and validation cohorts, respectively, had a diagnosis of urinary tract cancer. Validation of the HCRS achieves good discrimination with an area under the receiver operating characteristic curve of 0.727 (95% confidence interval 0.648-0.800) in the validation cohort with sensitivity of 95% for the identification of cancer. Utilizing the cutoff of 4.500 derived from the HCRS in combination with RBUS in the development cohort, 680 (34%) patients would have been spared cystoscopy at the cost of missing a G1 Ta bladder cancer and a urinary tract cancer patient, while 117 (25%) patients would have avoided cystoscopy at the cost of missing a single patient of G1 Ta bladder cancer with sensitivity for the identification of cancer of 97% in the validation cohort.

CONCLUSIONS: The HCRS with RBUS offers good discriminatory ability in identifying patients who would benefit from cystoscopy, sparing selected patient cohorts from an invasive procedure.

PATIENT SUMMARY: The hematuria cancer risk score with renal bladder ultrasound allows for the triage of patients with hematuria who would benefit from visual examination of the bladder (cystoscopy). This resulted in 25% of patients safely omitting cystoscopy, which is an invasive procedure, and would lead to health care cost savings.

PMID:38811250 | DOI:10.1016/j.euo.2024.05.005

CONCLUSIONS: The HCRS with RBUS offers good discriminatory ability in identifying patients who would benefit from cystoscopy, sparing selected patient cohorts from an invasive procedure.

Author Reply

Urology. 2016 Dec;98:111-112. doi: 10.1016/j.urology.2016.07.044. Epub 2016 Oct 7. NO ABSTRACT PMID:27726884 | DOI:10.1016/j.urology.2016.07.044

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