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Drug therapyView Articles

Volume 23, Number 3Prostate Cancer

Darolutamide for the Management of Metastatic Hormone-Sensitive Prostate Cancer: A Urologist-Oncologist Perspective

Paul DatoRana R. McKay

Metastatic prostate cancer accounts for 8% of all prostate cancer cases in the United States and has an estimated 5-year survival rate of 34%. Androgen-deprivation therapy (ADT) is the cornerstone of treatment for men with metastatic hormone-sensitive prostate cancer (HSPC), but there has been a recent focus on early treatment intensification through dual- or triple-therapy approaches, which have shown substantial survival benefit compared with ADT alone. Darolutamide, a distinct androgen receptor inhibitor, is the latest treatment for men with metastatic HSPC. In the Darolutamide in Addition to Standard Androgen Deprivation Therapy and Docetaxel in Metastatic Hormone-Sensitive Prostate Cancer (ARASENS) trial (ClinicalTrials.gov identifier NCT02799602), darolutamide in combination with ADT and docetaxel reduced the risk of death by 32.5% (P < .001) compared with ADT plus docetaxel in men with metastatic HSPC. The most recent National Comprehensive Cancer Network guidelines (2023) support the use of triple-therapy regimens for men with high-volume metastatic HSPC, but concerns about the side effects of the short-term chemotherapy component of this regimen necessitate a comprehensive approach to providing supportive care to ensure that patients are willing to begin and remain on treatment. Effective management should involve a well-informed multidisciplinary team with patient education and support to ensure optimal treatment outcomes. Here, we review the results of the ARASENS trial and consider the implications for the management of metastatic HSPC. By showing a statistically significant reduction in risk of death, triple therapy combining darolutamide with ADT and docetaxel has emerged as a new treatment modality that may help men with metastatic HSPC achieve prolonged survival while maintaining an acceptable quality of life.

Prostatic neoplasmsDrug therapyNeoplasm metastasisAndrogen receptor antagonists

Drug-resistant bacteriaView Articles

Volume 21, Number 2Original Research

The Effect of Local Antibiogram–based Augmented Antibiotic Prophylaxis on Infection-related Complications Following Prostate Biopsy

Original Research

Neal D ShoreDeepak A KapoorGary M KirshRaoul S ConcepcionEdward M SchaefferJeffrey A Scott

Given the number of prostate biopsies performed annually in the United States and associated infectious events as a result, we sought to determine if implementation of a standardized biopsy protocol utilizing antibiotic prophylaxis based on locally derived antibiograms would result in a decrease, relative to a contemporary control population, in the incidence of infection-related complications among community-based practices. A total of nine member groups of LUGPA participated in both a retrospective review and a prospective study of infection-related complications following prostate biopsy. Historic infectious complications, defined as chills/rigor, temperature higher than 101 °F, or documented positive blood or urine cultures, were self-reported by a retrospective review of patients undergoing prostate biopsy under the practice’s current protocol in the year prior to the study. The prospective phase of the study required each group to develop a locally derived augmented prophylaxis regimen (&gt;2 antibiotics) based on local antibiograms. After implementation, the practices enrolled patients undergoing prostate biopsy over an 8-week period. Monitoring for infection-related complication took place over the ensuing 3 weeks post-biopsy. Seven hundred fifty-nine patients over nine practices were enrolled into the study utilizing the augmented locally determined prophylaxis protocol. There was a 53% reduction in the incidence of infection-related complication, relative to the historical rate. By developing a standardized biopsy protocol with specific emphasis on incorporating an augmented antibiotic prophylactic regimen based upon local antibiograms, we were able to demonstrate in a prospective trial across nine geographically distinct community practices a significant reduction in the incidence of infection-related complications. [Rev Urol. 2019;21(2/3):93–101] © 2019 MedReviews®, LLC

Antibiotic prophylaxisProstateBiopsyDrug-resistant bacteria

Ejaculatory disordersView Articles

Volume 8, Supplement 4Review Articles

Current Concepts in Ejaculatory Dysfunction

Advances in Alpha-Blocker Therapy in the Management of Urological Disorders

Wayne JG HellstromJeffrey P Wolters

Although erectile dysfunction has recently become the most well-known aspect of male sexual dysfunction, the most prevalent male sexual disorders are ejaculatory dysfunctions. Ejaculatory disorders are divided into 4 categories: premature ejaculation (PE), delayed ejaculation, retrograde ejaculation, and anejaculation/anorgasmia. Pharmacologic treatment for certain ejaculatory disorders exists, for example the off-label use of selective serotonin reuptake inhibitors for PE. Unfortunately, the other ejaculatory disorders are less studied and not as well understood. This review revisits the physiology of the normal ejaculatory response, specifically explores the mechanisms of anejaculation, and presents emerging data. The neurophysiology of the ejaculatory reflex is complex, making classification of the role of individual neurotransmitters extremely difficult. However, recent research has elucidated more about the role of serotonin and dopamine at the central level in the physiology of both arousal and orgasm. Other recent studies that look at differing pharmacokinetic profiles and binding affinities of the 1-antagonists serve as an indication of the centrally mediated role of ejaculation and orgasm. As our understanding of the interaction between central and peripheral modulations and regulation of the process of ejaculation increases, the probability of developing centrally acting pharmaceutical agents for the treatment of sexual dysfunction approaches reality. [Rev Urol. 2006;8(suppl 4):S18-S25]

TamsulosinAlfuzosinRetrograde ejaculationAnejaculationEjaculatory disorders