Multicenter phase II study of combined neoadjuvant docetaxel and androgen ablation (ADT) prior to radical prostatectomy (RP) for patients (pts) with high risk localized prostate cancer (LCaP): Pathologic outcomes and 3-year follow-up analyses

2007 ◽  
Vol 25 (18_suppl) ◽  
pp. 5002-5002 ◽  
Author(s):  
E. Winquist ◽  
K. N. Chi ◽  
J. Chin ◽  
L. Goldenberg ◽  
L. Klotz ◽  
...  

5002 Background: Pts with high risk LCaP (cT3, Gleason score > 7 &/or PSA > 20) have an increased risk of relapse with a biochemical failure rate of >50% at 3 years after RP. Docetaxel is active in hormone refractory prostate cancer & potentially beneficial if combined with ADT for treatment naïve disease. The objectives of this trial were to assess the pathologic outcomes & feasibility of docetaxel + ADT in men with LCaP prior to RP. Methods: A phase II multi-center study of newly diagnosed previously untreated pts with clinically LCaP with high-risk features. All pts received ADT (buserelin acetate 6.3 mg q8 weeks x 3 and anti-androgen for 4 weeks) plus docetaxel (35 mg/m2 weekly for 6 out of 8 weeks for 3 cycles) prior to RP. Results: 72 men with a median age of 59 years (range 46–78) were enrolled at 6 sites. Baseline characteristics included: clinical stage T1C, T2 & T3 in 14%, 47% & 39%; and Gleason score <7, 7 & >7 in 10%, 30% & 60% of pts; respectively. Median baseline PSA was 10.8 μg/L (range 1.6–65.6) with PSA < 10 in 47%, 10–20 in 24% & >20 in 29% of pts. Eight pts did not complete protocol therapy because of toxicity (n=4), withdrawal of consent (n=1), or other reasons (n=3). 1 pt had myocardial infarction day 1 post-operatively & 1 pt had DVT 1.5 months after RP. No other major post-operative complications were reported. Of the 64 pts completing protocol therapy, 2 had a complete pathologic response and pathologic stage was T2 in 34 (53%) and T3 in 28 (44%) pts. Four pts had N1 disease & positive surgical margins were identified in 17 (27%). On multivariate Cox regression analysis only baseline Gleason score (=7 vs. >7) was associated with PSA recurrence-free survival (hazard ratio 4.58, 95% CI 1.32–15.93). At a median follow-up of 42.7 months (range 25.6–65.6), 19 (30%) pts have relapsed. Three pts have died at 32.0, 40.0 & 40.3 months, with all deaths attributed to prostate cancer. Conclusions: Combined ADT and docetaxel prior to RP was feasible and resulted in encouraging pathologic outcomes and PSA- recurrence free survival. These data further support the rationale for randomized trials determining the efficacy of chemo-hormonal therapy in pts with clinically LCaP. [Table: see text]

2014 ◽  
Vol 32 (4_suppl) ◽  
pp. 138-138
Author(s):  
Hao Nguyen ◽  
Clint Cary ◽  
Ayesha Appa ◽  
Janet E. Cowan ◽  
Christopher J Welty ◽  
...  

138 Background: Adjuvant radiotherapy following radical prostatectomy has been shown to improve prostate-specific antigen (PSA) recurrence free survival for patients with high-risk pathologic features. However, an alternative strategy is careful follow-up after surgery and selective salvage radiation therapy. We aim to investigate voiding and sexual function, and oncological outcomes of patients who underwent adjuvant radiotherapy (ARD) or salvage radiotherapy (SRT) after radical prostatectomy (RP). Methods: We conducted a retrospective analysis of patients with localized prostate cancer treated with open or robotic assisted laparoscopic RP at the University of California, San Francisco (UCSF) from 2002 to 2013. Primary outcomes were voiding and sexual function, PSA recurrence-free survival (PRFS), combined bone metastasis free-survival/cancer-specific survival (BMFS/CSS), and overall survival (OS). Survival outcomes were analyzed using the Kaplan-Meier method. Results: Among 2,908 men in the study, mean age was 60, median PSA was 5.9 ng/ml, and median PSA density was 0.19 at diagnosis. Median follow-up was 28 months (IQR 8-61). Of those with high risk pathologic features, 1,086 patients did not undergo post-RP radiation (NRT), 109 had ART, and 156 had SRT. All patients had comparable pre-treatment sexual and voiding function. However, patients treated with ART or SRT had worse sexual function (SHIM scores) at 4 years post-RP compared to patients without radiation (5.2 (ART/SRT) versus 11.1 (NRT), p=0.01). There were no differences in voiding function at 4 years between the three groups. PRFS at 4 years was 92% for NRT, 82% for ART, and 55% for SRT cohort, log-rank p<0.01. Four-year BMFS/CSS and OS both were 98% and were similar for all groups. In a sub-analysis of men with stage pT2/3a, positive margins, and negative lymph nodes, PRFS were 86% (NRT) and 90% (ART). The PRFS following SRT was 63%. Conclusions: This study provides novel information on both oncological and functional outcomes for men managed with surgery and post-operative radiation therapy at UCSF. Such information allows for better pre- and post-operative counseling of men. Further analyses are required to better determine which men benefit from immediate adjuvant radiation as compared to a strategy of surveillance followed by selective salvage radiation.


2015 ◽  
Vol 33 (7_suppl) ◽  
pp. 60-60
Author(s):  
Hooman Djaladat ◽  
Weichen Xu ◽  
Jie Cai ◽  
Gary Lieskovsky ◽  
Siamak Daneshmand

60 Background: Gleason score is an important predictor of oncological outcomes after radical prostatectomy. However, it remains unclear whether there is a difference in outcomes between Gleason score (GS) 8 and 9-10 disease. We compare oncological outcomes after open radical prostatectomy for prostate cancer patients with GS of 8 versus 9-10. Methods: Of 3,755 radical prostatectomy patients (1987-2008), 360 patients with final pathology of GS 8, 9 or 10 and N0M0 were included. No significant differences between age, race and surgical margins between the two groups. Impact of GS on outcomes was controlled for preoperative PSA, pathological stage, use of adjuvant radiation therapy and use of neoadjuvant/adjuvant hormone deprivation therapy in multivariable analyses. Outcomes of interest were biochemical recurrence free survival (BCRFS), clinical recurrence free survival (CRFS) and overall survival (OS). Kaplan Meier plots, log rank tests and multivariable Cox regression model were used to analyze the data. Results: Median follow-up for GS 8 and GS 9-10 were 10.0 years and 8.6 years, respectively (p=0.43). Conclusions: Long term follow up after radical prostatectomy reveals significant differences in BCRFS and CRFS but not OS between patients with GS 8 vs. 9-10 prostate cancers. Further studies may examine sub-stratification of GS 8 tumors into a lower risk category than GS 9-10 tumors. [Table: see text] [Table: see text]


2018 ◽  
Vol 36 (6_suppl) ◽  
pp. 100-100
Author(s):  
Bryant Alex ◽  
Rana R. McKay ◽  
A. Karim Kader ◽  
J Kellogg Parsons ◽  
John Paul Einck ◽  
...  

100 Background: There is limited data on the relationship between testosterone level during androgen deprivation and clinical outcomes of localized prostate cancer treated with hormone therapy and radiation therapy (RT). Here we investigate the association between testosterone nadir during androgen deprivation therapy and prostate-specific antigen (PSA) response and survival. Methods: Using a nationwide Veterans Affairs database, we identified 899 patients with intermediate- or high-risk localized prostate adenocarcinoma diagnosed between 2000 and 2015 and treated with gonadotropin-releasing hormone agonists and RT. All patients had total testosterone measurements while receiving hormone therapy and between 6 weeks and 6 months after the start of hormone therapy. Using univariable and multivariable models we examined the effect of testosterone nadir on 3-month post-treatment PSA, PSA recurrence-free survival, and prostate cancer-specific survival. Multivariable models included age at diagnosis, Gleason score, tumor stage, anti-androgen therapy, hormone therapy duration, comorbidity, BMI, and pre-treatment PSA. Results: Of the 899 patients with testosterone data, 481 patients had a testosterone nadir of < 20 ng/dL, 305 had a nadir between 20 and 49 ng/dL, and 113 had a nadir ≥50 ng/dL. Higher testosterone nadir was associated with higher 3-month post-treatment PSA on univariable (Spearman rho = 0.22, p < 0.001, n = 651) and multivariable (ß = 0.03, 95% CI 0.01-0.05, p = 0.004) analysis. In multivariable Cox regression, higher testosterone nadir was associated with an increased risk of PSA recurrence (hazard ratio [HR] 1.43 per 10-fold increase in testosterone nadir, 95% CI 1.07-1.90, p = 0.01, n = 715) but not prostate cancer-specific mortality (HR 1.45, 95% CI 0.87-2.42, p = 0.16, n = 891). Conclusions: Higher nadir testosterone levels in intermediate- or high-risk localized prostate cancer patients undergoing hormone therapy is associated with higher 3-month post-treatment PSA and inferior PSA recurrence-free survival, though there was no significant effect on prostate cancer-specific mortality.


2014 ◽  
Vol 8 (11-12) ◽  
pp. 845 ◽  
Author(s):  
Anil Kapoor ◽  
Shawn Dason ◽  
Christopher B. Allard ◽  
Bobby Shayegan ◽  
Louis Lacombe ◽  
...  

Introduction: Radical nephroureterectomy for upper tract urothelial carcinoma (UTUC) must include some form of distal ureter management to avoid high rates of tumour recurrence. It is uncertain which distal ureter management technique has the best oncologic outcomes. To determine which distal ureter management technique resulted in the lowest tumour recurrence rate, we analyzed a multiinstitutional Canadian radical nephroureterectomy database.Methods: We retrospectively analyzed patients who underwent radical nephroureterectomy with distal ureter management for UTUC between January 1990 and June 2010 at 10 Canadian tertiary hospitals. Distal ureter management approaches were divided into 3 categories: (1) extravesical tenting for ureteric excision without cystotomy (EXTRAVESICAL); (2) open cystotomy with intravesical bladder cuff excision (INTRAVESICAL); and (3) extravesical excision with endoscopic management of ureteric orifice (ENDOSCOPIC). Data available for each patient included demographic details, distal ureter management approach, pathology and operative details, as well as the presence and location of local or distant recurrence. Clinical outcomes included overall recurrence-free survival and intravesical recurrence-free survival. Survival analysis was performed with the Kaplan-Meier method. Multivariable Cox regression analysis was also performed.Results: A total of 820 patients underwent radical nephroureterectomy with a specified distal ureter management approach at 10 Canadian academic institutions. The mean patient age was 69.6 years and the median follow-up was 24.6 months. Of the 820 patients, 406 (49.5%) underwent INTRAVESICAL, 316 (38.5%) underwent EXTRAVESICAL, and 98 (11.9%) underwent ENDOSOPIC distal ureter management. Groups differed significantly in their proportion of females, proportion of laparoscopic cases, presence of carcinoma in situ and pathological tumour stage (p < 0.05). Recurrence-free survival at 5 years was 46.3%, 35.6%, and 30.1% for INTRAVESICAL, EXTRAVESICAL and ENDOSCOPIC, respectively (p < 0.05). Multivariable Cox regression analysis confirmed that INTRAVESICAL resulted in a lower hazard of recurrence compared to EXTRAVESICAL and ENDOSCOPIC. When looking only at intravesical recurrence-free survival (iRFS), a similar trend held up with INTRAVESICAL having the highest iRFS, followed by ENDOSCOPIC and then EXTRAVESICAL management (p < 0.05). At last follow-up, 406 (49.5%) patients were alive and free of disease.Conclusion: Open intravesical excision of the distal ureter (INTRAVESICAL) during radical nephroureterectomy was associated with improved overall and intravesical recurrence-free survival compared with extravesical and endoscopic approaches. These findings suggest that INTRAVESICAL should be considered the gold standard oncologic approach to distal ureter management during radical nephroureterectomy. Limitations of this study include its retrospective design, heterogeneous cohort, and limited follow-up.


2021 ◽  
Author(s):  
Xianzhi Zhao ◽  
Yusheng Ye ◽  
Haiyan Yu ◽  
Lingong Jiang ◽  
Chao Cheng ◽  
...  

Abstract Objective To evaluate the efficacy and toxicity of SBRT for localized prostate cancer (PCa). Moreover, it is the largest-to-date pilot study to report 5-year outcomes of SBRT for localized PCa from China. Methods In this retrospective study, 133 PCa patients in our center were treated by SBRT with CyberKnife (Accuray) from October 2012 to July 2019. Follow-up was performed every 3 months for evaluations of efficacy and toxicity. Biochemical progression-free survival (bPFS) and toxicities were assessed using the Phoenix definition and the Common Terminology Criteria for Adverse Events (CTCAE) v.5.0 respectively. Factors predictive of bPFS were identified with COX regression analysis. Results 133 patients (10 low-, 21 favorable intermediate-, 31 unfavorable intermediate-, 45 high-, and 26 very high risk cases on the basis of the NCCN risk classification) with a median age of 76 years (range: 54–87 years) received SBRT. The median dose was 36.25Gy (range: 34-37.5Gy) in 5 fractions. Median follow-up time was 57.7 months (3.5–97.2 months). The overall 5-year bPFS rate was 83.6% for all patients. The 5-year bPFS rate of patients with low-, favorable intermediate-, unfavorable intermediate-, high-, and very high risk PCa was 87.5%, 95.2%, 90.5%, 86.3%, and 61.6% respectively. Urinary symptoms were all alleviated after SBRT. All the patients tolerated SBRT with only 1 (0.8%) and 1 (0.8%) patient reporting grade-3 acute and late genitourinary (GU) toxicity, respectively. There were no grade 4 toxicities. Gleason score (P < 0.001, HR = 7.483, 95%CI: 2.686–20.846) was the independent predictor of bPFS rate after multivariate analysis Conclusion SBRT is an efficient and safe treatment modality for localized PCa with high 5-year bPFS rates and acceptable toxicities.


2018 ◽  
Vol 36 (5) ◽  
pp. 446-453 ◽  
Author(s):  
Piet Ost ◽  
Dries Reynders ◽  
Karel Decaestecker ◽  
Valérie Fonteyne ◽  
Nicolaas Lumen ◽  
...  

Purpose Retrospective studies suggest that metastasis-directed therapy (MDT) for oligorecurrent prostate cancer (PCa) improves progression-free survival. We aimed to assess the benefit of MDT in a randomized phase II trial. Patients and Methods In this multicenter, randomized, phase II study, patients with asymptomatic PCa were eligible if they had had a biochemical recurrence after primary PCa treatment with curative intent, three or fewer extracranial metastatic lesions on choline positron emission tomography–computed tomography, and serum testosterone levels > 50 ng/mL. Patients were randomly assigned (1:1) to either surveillance or MDT of all detected lesions (surgery or stereotactic body radiotherapy). Surveillance was performed with prostate-specific antigen (PSA) follow-up every 3 months, with repeated imaging at PSA progression or clinical suspicion for progression. Random assignment was balanced dynamically on the basis of two factors: PSA doubling time (≤ 3 v > 3 months) and nodal versus non-nodal metastases. The primary end point was androgen deprivation therapy (ADT)–free survival. ADT was started at symptomatic progression, progression to more than three metastases, or local progression of known metastases. Results Between August 2012 and August 2015, 62 patients were enrolled. At a median follow-up time of 3 years (interquartile range, 2.3-3.75 years), the median ADT-free survival was 13 months (80% CI, 12 to 17 months) for the surveillance group and 21 months (80% CI, 14 to 29 months) for the MDT group (hazard ratio, 0.60 [80% CI, 0.40 to 0.90]; log-rank P = .11). Quality of life was similar between arms at baseline and remained comparable at 3-month and 1-year follow-up. Six patients developed grade 1 toxicity in the MDT arm. No grade 2 to 5 toxicity was observed. Conclusion ADT-free survival was longer with MDT than with surveillance alone for oligorecurrent PCa, suggesting that MDT should be explored further in phase III trials.


2020 ◽  
Vol 38 (33) ◽  
pp. 3925-3936 ◽  
Author(s):  
Alexander M. M. Eggermont ◽  
Christian U. Blank ◽  
Mario Mandala ◽  
Georgina V. Long ◽  
Victoria G. Atkinson ◽  
...  

PURPOSE We conducted the phase III double-blind European Organisation for Research and Treatment of Cancer (EORTC) 1325/KEYNOTE-054 trial to evaluate pembrolizumab versus placebo in patients with resected high-risk stage III melanoma. On the basis of 351 recurrence-free survival (RFS) events at a 1.25-year median follow-up, pembrolizumab prolonged RFS (hazard ratio [HR], 0.57; P < .0001) compared with placebo. This led to the approval of pembrolizumab adjuvant treatment by the European Medicines Agency and US Food and Drug Administration. Here, we report an updated RFS analysis at the 3.05-year median follow-up. PATIENTS AND METHODS A total of 1,019 patients with complete lymph node dissection of American Joint Committee on Cancer Staging Manual (seventh edition; AJCC-7), stage IIIA (at least one lymph node metastasis > 1 mm), IIIB, or IIIC (without in-transit metastasis) cutaneous melanoma were randomly assigned to receive pembrolizumab at a flat dose of 200 mg (n = 514) or placebo (n = 505) every 3 weeks for 1 year or until disease recurrence or unacceptable toxicity. The two coprimary end points were RFS in the overall population and in those with programmed death-ligand 1 (PD-L1)–positive tumors. RESULTS Pembrolizumab (190 RFS events) compared with placebo (283 RFS events) resulted in prolonged RFS in the overall population (3-year RFS rate, 63.7% v 44.1% for pembrolizumab v placebo, respectively; HR, 0.56; 95% CI, 0.47 to 0.68) and in the PD-L1–positive tumor subgroup (HR, 0.57; 99% CI, 0.43 to 0.74). The impact of pembrolizumab on RFS was similar in subgroups, in particular according to AJCC-7 and AJCC-8 staging, and BRAF mutation status (HR, 0.51 [99% CI, 0.36 to 0.73] v 0.66 [99% CI, 0.46 to 0.95] for V600E/K v wild type). CONCLUSION In resected high-risk stage III melanoma, pembrolizumab adjuvant therapy provided a sustained and clinically meaningful improvement in RFS at 3-year median follow-up. This improvement was consistent across subgroups.


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