Metastatic hormone-sensitive prostate cancer: How should it be treated?
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ABSTRACT:
SUBMITTER: Lopez-Campos F
PROVIDER: S-EPMC7918528 | biostudies-literature |
REPOSITORIES: biostudies-literature
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Project description:BackgroundAndrogen-deprivation therapy (ADT) has been the backbone of treatment for metastatic prostate cancer since the 1940s. We assessed whether concomitant treatment with ADT plus docetaxel would result in longer overall survival than that with ADT alone.MethodsWe assigned men with metastatic, hormone-sensitive prostate cancer to receive either ADT plus docetaxel (at a dose of 75 mg per square meter of body-surface area every 3 weeks for six cycles) or ADT alone. The primary objective was to test the hypothesis that the median overall survival would be 33.3% longer among patients receiving docetaxel added to ADT early during therapy than among patients receiving ADT alone.ResultsA total of 790 patients (median age, 63 years) underwent randomization. After a median follow-up of 28.9 months, the median overall survival was 13.6 months longer with ADT plus docetaxel (combination therapy) than with ADT alone (57.6 months vs. 44.0 months; hazard ratio for death in the combination group, 0.61; 95% confidence interval [CI], 0.47 to 0.80; P<0.001). The median time to biochemical, symptomatic, or radiographic progression was 20.2 months in the combination group, as compared with 11.7 months in the ADT-alone group (hazard ratio, 0.61; 95% CI, 0.51 to 0.72; P<0.001). The rate of a prostate-specific antigen level of less than 0.2 ng per milliliter at 12 months was 27.7% in the combination group versus 16.8% in the ADT-alone group (P<0.001). In the combination group, the rate of grade 3 or 4 febrile neutropenia was 6.2%, the rate of grade 3 or 4 infection with neutropenia was 2.3%, and the rate of grade 3 sensory neuropathy and of grade 3 motor neuropathy was 0.5%.ConclusionsSix cycles of docetaxel at the beginning of ADT for metastatic prostate cancer resulted in significantly longer overall survival than that with ADT alone. (Funded by the National Cancer Institute and others; ClinicalTrials.gov number, NCT00309985.).
| S-EPMC4562797 | biostudies-literature
Project description:The standard of treatment of metastatic hormone-sensitive prostate cancer (mHSPC) is androgen deprivation therapy (ADT) with docetaxel or abiraterone. However, numerous retrospective studies suggested outcome benefit of prostate radiotherapy. Small randomized trial (HORRAD) showed no overall survival (OS) benefit of the addition of prostate radiotherapy to ADT but there was a trend toward survival benefit in a low volume disease. Although the results of large randomized study (STAMPEDE) have also not proved improvement of OS in unselected patients, robust improvement of failure-free survival was found. In addition, OS was significantly improved in patients with a low volume disease. In the absence of reliable molecular markers, the extent of metastatic disease has emerged as an important factor for treatment decision making. In this review, we summarize data from non-randomized as well as from randomized studies concerning prostate radiotherapy to contribute to the improvement of treatment tailoring for each individual patient with mHSPC in order to achieve the best possible treatment outcomes.
| S-EPMC8693553 | biostudies-literature
Project description:Purpose We evaluated the relationship between prostate-specific antigen (PSA) and overall survival in the context of a prospectively randomized clinical trial comparing androgen-deprivation therapy (ADT) plus docetaxel with ADT alone for initial metastatic hormone-sensitive prostate cancer. Methods We performed a landmark survival analysis at 7 months using the E3805 Chemohormonal Therapy Versus Androgen Ablation Randomized Trial for Extensive Disease in Prostate Cancer (CHAARTED) database ( ClinicalTrials.gov identifier: NCT00309985). Inclusion required at least 7 months of follow-up and PSA levels at 7 months from ADT initiation. We used the prognostic classifiers identified in a previously reported trial (Southwest Oncology Group 9346) of PSA ? 0.2, > 0.2 to 4, and > 4 ng/mL. Results Seven hundred nineteen of 790 patients were eligible for this subanalysis; 358 were treated with ADT plus docetaxel, and 361 were treated with ADT alone. Median follow-up time was 23.1 months. On multivariable analysis, achieving a 7-month PSA ? 0.2 ng/mL was more likely with docetaxel, low-volume disease, prior local therapy, and lower baseline PSAs (all P ? .01). Across all patients, median overall survival was significantly longer if 7-month PSA reached ? 0.2 ng/mL compared with > 4 ng/mL (median survival, 60.4 v 22.2 months, respectively; P < .001). On multivariable analysis, 7-month PSA ? 0.2 and low volume disease were prognostic of longer overall survival (all P < 0.01). The addition of docetaxel increased the likelihood of achieving a PSA ? 0.2 ng/mL at 7 months (45.3% v 28.8% of patients on ADT alone). Patients on ADT alone who achieved a 7-month PSA ? 0.2 ng/mL had the best survival and were more likely to have low-volume disease (56.7%). Conclusion PSA ? 0.2 ng/mL at 7 months is prognostic for longer overall survival with ADT for metastatic hormone-sensitive prostate cancer irrespective of docetaxel administration. Adding docetaxel increased the likelihood of a lower PSA and improved survival.
| S-EPMC5805480 | biostudies-literature
Project description:ObjectivesTo perform a systematic review and network meta-analysis to compare the efficacy and safety of currently available treatments for the management of metastatic hormone-sensitive prostate cancer (mHSPC), as there has been a paradigm shift with the use of next-generation androgen receptor inhibitors (ARIs) and docetaxel.MethodsMultiple databases were searched for articles published before May 2020 according to the Preferred Reporting Items for Systematic Review and Meta-analysis extension statement for network meta-analysis. Studies comparing overall/progression-free survival (OS/PFS) and/or adverse events (AEs) in patients with mHSPC were eligible.ResultsNine studies (N = 9960) were selected, and formal network meta-analyses were conducted. Abiraterone (hazard ratio [HR] 0.83, 95% credible interval [CrI] 0.76-0.90), docetaxel (HR 0.90, 95% CrI 0.82-0.98), and enzalutamide (HR 0.85, 95% CrI 0.73-0.99) were associated with significantly better OS than androgen-deprivation therapy (ADT), and abiraterone emerged as the best option. Abiraterone (HR 0.71, 95% CrI 0.67-0.76), apalutamide (HR 0.73, 95% CrI 0.65-0.81), docetaxel (HR 0.84, 95% CrI 0.78-0.90), and enzalutamide (HR 0.67, 95% CrI 0.63-0.71) were associated with significantly better PFS than ADT, and enzalutamide emerged as the best option. Abiraterone (HR 0.85, 95% CrI 0.78-0.93), apalutamide (HR 0.87, 95% CrI 0.77-0.98), and enzalutamide (HR 0.80, 95% CrI 0.73-0.88) were significantly more effective than docetaxel. Regarding AEs, apalutamide was the likely best option among the three ARIs. In patients with low-volume mHSPC, enzalutamide was the best option in terms of OS and PFS.ConclusionsAll three ARIs are effective therapies for mHSPC; apalutamide was the best tolerated. All three seemed more effective than docetaxel. These findings may facilitate individualised treatment strategies and inform future comparative trials.
| S-EPMC9291853 | biostudies-literature
Project description:BackgroundCurrently, metastatic hormone-sensitive prostate cancer (mHSPC) patients are often treated with docetaxel chemotherapy at the initiation of hormonal therapy. This treatment is based on the results of two pivotal trials. However, trial populations are not a representative of real-world patient populations.ObjectiveWe aimed to analyze whether survival rates in our daily practice cohort is comparable with those in clinical trials and to characterize the tolerability of docetaxel chemotherapy in daily practice.Design setting and participantsIn this retrospective cohort analysis, we studied 159 mHSPC patients treated with early docetaxel from April 2014 up to June 2020 in a top clinical hospital in The Netherlands. Patients were selected using hospital pharmacy records.Outcome measurements and statistical analysisWe compared the results of our cohort with the results of the cohorts of the two pivotal trials. We aimed to analyze the survival rates in our cohort and characterize the tolerability of docetaxel chemotherapy in daily practice.Results and limitationsDespite the relatively high number of comorbidities in our daily practice cohort, overall survival of our cohort showed great similarity with that of the two pivotal trials: 60.2 mo compared with 57.6 and 59.1 mo. Furthermore, early docetaxel was well tolerated in daily practice. Nearly 90% of the patients completed the full six cycles, and polyneuropathy led to relatively few dose reductions (6.9%).ConclusionsEarly docetaxel is well tolerated in daily practice. Our daily practice cohort showed great similarity in overall survival to the clinical trials. Our results might be of interest in the developing landscape of mHSPC treatment.Patient summaryWe studied docetaxel chemotherapy for metastatic prostate cancer in daily practice. These patients have the same survival as selected patients participating in clinical trials. Docetaxel was well tolerated in daily practice.
| S-EPMC8546919 | biostudies-literature
Project description:The landscape of advanced prostate cancer treatment has evolved tremendously in past decades. The treatment paradigm has shifted from androgen deprivation therapy (ADT) alone to doublet combinations comprising ADT with docetaxel or an androgen receptor inhibitor, and now triplet therapy involving all 3 classes of agents. Robust clinical data has demonstrated survival benefits with this strategy of upfront treatment intensification. Subgroup analysis has alluded to the importance of tailoring treatment according to metastatic disease burden. However, defining the volume of disease is becoming increasingly controversial due to the advent of next generation molecular imaging. Several trials testing established agents in the castrate-resistant setting are now underway in metastatic hormone sensitive prostate cancer patients. As the treatment milieu is enriched earlier in the disease trajectory, future studies should elucidate biomarkers to further define specific patient populations who will benefit most from treatment intensification and/or de-escalation, with what agents and for what duration.
| S-EPMC10415497 | biostudies-literature
Project description:The metastatic burden is a critical factor for decision-making in the treatment of metastatic hormone-sensitive prostate cancer (HSPC). This study aimed to develop and validate a novel risk model for survival in patients with de novo low- and high-burden metastatic HSPC. The retrospective observational study included men with de novo metastatic prostate cancer who were treated with primary androgen-deprivation therapy at 30 institutions across Japan between 2008 and 2017. We created a risk model for overall survival (OS) in the discovery cohort (n = 1449) stratified by the metastatic burden (low vs high) and validated its predictive ability in a separate cohort (n = 951). Based on multivariate analyses, lower hemoglobin levels, higher Gleason grades, and higher clinical T-stage were associated with poor OS in low-burden disease. Meanwhile, lower hemoglobin levels, higher Gleason grade group, liver metastasis, and higher extent of disease scores in bone were associated with poor OS in patients with high-burden disease. In the discovery and validation cohorts, the risk model using the aforementioned parameters exhibited excellent discriminatory ability for progression-free survival and OS. The predictive ability of this risk model was superior to that of previous risk models. Our novel metastatic burden-stratified risk model exhibited excellent predictive ability for OS, and it is expected to have several clinical uses, such as precise prognostic estimation.
| S-EPMC8409413 | biostudies-literature
Project description:BackgroundMost men who die of prostate cancer are older than 70 years. The ChemoHormonal Therapy Versus Androgen Ablation Randomized Trial for Extensive Disease in Prostate Cancer (CHAARTED) randomized men of all ages with metastatic hormone-sensitive prostate cancer (mHSPC) to receive androgen deprivation therapy (ADT) with or without docetaxel demonstrating an overall survival (OS) benefit for docetaxel.MethodsIn a post-hoc analysis of this trial, we assessed patient characteristics and OS in patients ≥70 years ("older men") versus <70 years ("younger men") with Cox proportional hazards models. In addition, we compared adverse events, therapy completion rate, and subsequent treatment patterns between these two groups using Chi-squared tests.Results177 (22.4%) patients were ≥70 years. Docetaxel + ADT resulted in improved OS in both older and younger men (Hazard Ratio [HR] 0.45, 95%CI: 0.25-0.80 for older men; HR 0.71, 95%CI: 0.53-0.95 for younger men). This treatment benefit was seen for subgroups of older men with high volume disease (HR 0.43, 95%CI 0.23-0.79) and de novo metastatic disease (HR 0.36, 95%CI 0.19-0.69). A similar proportion of older and younger men completed six cycles of docetaxel (82.6% vs. 87.1%, p = 0.28). Rates of grade 3-5 adverse events were similar between older and younger men (36.8% vs. 26.8%, respectively, p = 0.069). The rate of any Grades 4-5 adverse events did not differ significantly between older and younger men (14.9% vs. 11.9%, respectively, p = 0.46). In the control arm, a smaller proportion of older men received subsequent cancer treatments (34.4% vs. 51.5%, p = 0.017) or subsequent docetaxel (25.6% vs. 37.6%, p = 0.035) compared to younger men.ConclusionsOlder men with mHSPC had similar OS benefit and clinical outcomes compared to younger men when receiving docetaxel + ADT. Oncologists should consider docetaxel chemotherapy as a favorable treatment option for older men with mHSPC who are fit for chemotherapy.
| S-EPMC8599519 | biostudies-literature
Project description:BackgroundAddition of docetaxel to androgen deprivation therapy (ADT) for the treatment of metastatic hormone-sensitive prostate cancer (mHSPC) has been proved to be effective with an overall survival (OS) benefit in phase III clinical trials. The effectiveness of docetaxel with ADT in the general patient population remains unknown.ObjectiveThe purpose of this study is to report the clinical experience in mHSPC patients treated with 3rd-weekly docetaxel plus ADT in routine practice at two Danish institutions.Design setting and participantsA two-center retrospective study including consecutive mHSPC patients treated with 3rd-weekly docetaxel plus ADT was conducted.Outcome measurements and statistical analysisOutcomes of interest were OS, and biochemical and clinical progression-free survival.Results and limitationsA total of 173 consecutive patients with mHSPC who received docetaxel every 3rd week plus ADT between June 2015 and February 2018 were included. Most patients had high-volume disease (85%). All six planned docetaxel cycles were delivered in 149 cases (86%). Of the patients, 106 (61%) were alive at the last follow-up. At a median follow-up of 42 (37.8-58.6) mo, the median OS was 51.6 (41.5-56.3) mo. Castration-resistant prostate cancer (CRPC) developed in 46% within 1 yr, with a median time to CRPC of 15.6 (13.0-18.1) mo. Prostate-specific antigen nadir ≤0.2 ng/l was achieved in 15% of patients after 6 mo of ADT and in 19% after 12 mo.ConclusionsThe effect of docetaxel for mHSPC patients treated in routine practice appears comparable with the overall efficacy reported in the literature. Selection of patients will influence the results in clinical practice and clinical studies.Patient summaryIn this report, we looked at the clinical effectiveness of docetaxel combined with androgen deprivation therapy in men with metastatic hormone-sensitive prostate cancer (mHSPC) in a Danish population. We found the effect of docetaxel treatment for mHSPC in the general population to be comparable with the overall efficacy reported in published studies.
| S-EPMC8317901 | biostudies-literature
Project description:The clinical value of sarcopenia has not been determined yet in metastatic hormone-sensitive prostate cancer (mHSPC). We retrospectively evaluated data of 70 consecutive patients with mHSPC receiving treatment with either early docetaxel (n = 42) or abiraterone acetate (n = 28) between July 2018 and April 2021. Skeletal muscle index was calculated from cross-sectional areas of skeletal muscle on baseline computed tomography (CT), defining sarcopenia as a skeletal muscle index of ≤52.4 cm2/m2. Failure-free survival (FFS), radiographic progression-free survival, and time to prostate-specific antigen (PSA) progression were estimated using the Kaplan-Meier method, and differences in survival probability were compared using the log-rank test. Cox proportional hazards regression analysis was conducted to identify the predictors of clinical outcomes. Patients with sarcopenia (n = 47) had shorter FFS than those without sarcopenia (n = 23) (median, 20.1 months vs. not reached; log-rank p < 0.001). Sarcopenia was independently associated with shorter FFS (hazard ratio (HR), 6.69; 95% confidence interval (CI), 1.57-28.49; p = 0.010) and time to PSA progression (HR, 12.91; 95% CI, 1.08-153.85; p = 0.043). In conclusion, sarcopenia is an independent prognostic factor for poor FFS and time to PSA progression in patients with mHSPC who receive early docetaxel or abiraterone acetate treatment.
| S-EPMC8699789 | biostudies-literature