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3,957
result(s) for
"Androgens - therapeutic use"
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Apalutamide for Metastatic, Castration-Sensitive Prostate Cancer
by
Yu, Margaret K
,
Zhang, Ke
,
Given, Robert
in
Adenocarcinoma - drug therapy
,
Adenocarcinoma - mortality
,
Adenocarcinoma - pathology
2019
A randomized trial tested whether the addition of apalutamide, an androgen receptor blocker, to androgen-deprivation therapy might improve radiographic (including MRI-detected) progression–free survival and overall survival. Apalutamide was significantly more effective than placebo for both end points.
Journal Article
Hormonal Therapy for Prostate Cancer
by
McManus, Jeffrey M
,
Sharifi, Nima
,
Desai, Kunal
in
Androgen Antagonists - therapeutic use
,
Androgen Receptor Antagonists - therapeutic use
,
Androgen receptors
2021
Abstract
Huggins and Hodges demonstrated the therapeutic effect of gonadal testosterone deprivation in the 1940s and therefore firmly established the concept that prostate cancer is a highly androgen-dependent disease. Since that time, hormonal therapy has undergone iterative advancement, from the types of gonadal testosterone deprivation to modalities that block the generation of adrenal and other extragonadal androgens, to those that directly bind and inhibit the androgen receptor (AR). The clinical states of prostate cancer are the product of a superimposition of these therapies with nonmetastatic advanced prostate cancer, as well as frankly metastatic disease. Today’s standard of care for advanced prostate cancer includes gonadotropin-releasing hormone agonists (e.g., leuprolide), second-generation nonsteroidal AR antagonists (enzalutamide, apalutamide, and darolutamide) and the androgen biosynthesis inhibitor abiraterone. The purpose of this review is to provide an assessment of hormonal therapies for the various clinical states of prostate cancer. The advancement of today’s standard of care will require an accounting of an individual’s androgen physiology that also has recently recognized germline determinants of peripheral androgen metabolism, which include HSD3B1 inheritance.
Graphical Abstract
Graphical Abstract
Journal Article
Darolutamide and Survival in Metastatic, Hormone-Sensitive Prostate Cancer
by
Hussain, Maha
,
Thiele, Silke
,
Tammela, Teuvo L.J
in
Aged
,
Aged, 80 and over
,
Androgen Antagonists - therapeutic use
2022
Standard therapy for metastatic, hormone-sensitive prostate cancer is androgen-deprivation therapy, usually with docetaxel. A large, multinational, phase 3 trial assessed the addition of the androgen-receptor blocker darolutamide to standard therapy. At 4 years, survival was higher with darolutamide than with placebo (62.7% vs. 50.4%), with no major differences in the frequency of adverse events.
Journal Article
Mediterranean Style Dietary Pattern with High Intensity Interval Training in Men with Prostate Cancer Treated with Androgen Deprivation Therapy: A Pilot Randomised Control Trial
by
Baguley, Brenton J.
,
Jenkins, David
,
Adlard, Kirsten
in
Androgen Antagonists - therapeutic use
,
Androgens
,
Androgens - therapeutic use
2022
Background: Androgen deprivation therapy (ADT) in prostate cancer has been shown to deteriorate body composition (reduced lean mass and increased body and fat mass) and increase the risk of cardiovascular morbidity. The Mediterranean style dietary pattern (MED-diet) and high intensity interval training (HIIT) may synergistically alleviate these side effects and improve quality of life in men treated with ADT. Methods: Twenty-three men (65.9 ± 7.8 years; body mass index: 29.6 ± 2.7 kg/m2; ADT duration: 33.8 ± 35.6 months) receiving ADT for ≥3 months were randomly assigned (1:1) to 20 weeks of usual care or the MED-diet (10 nutrition consults) with HIIT (4 × 4 min 85–95% heart rate peak, 3× week, starting at 12 weeks). Results: The MED-diet with HIIT significantly improved cardiorespiratory fitness (+4.9 mL·kg−1·min, p < 0.001), and body mass (−3.3 kg, p < 0.001) compared to the usual care group at 20 weeks. Clinically meaningful (≥3 points) improvements were seen in quality of life and cancer-related fatigue after 20 weeks. Conclusions: The MED-diet with HIIT increased cardiorespiratory fitness and reduced body weight in men with prostate cancer treated with ADT. Larger trials determining whether the MED-diet with HIIT translates to cardiovascular benefits are warranted.
Journal Article
Enzalutamide and Survival in Nonmetastatic, Castration-Resistant Prostate Cancer
by
Hussain, Maha
,
Madziarska, Katarzyna
,
Fizazi, Karim
in
Adenocarcinoma - drug therapy
,
Adenocarcinoma - mortality
,
Aged
2020
Among men with high-risk, nonmetastatic, castration-resistant prostate cancer, the addition of enzalutamide to androgen-deprivation therapy improved overall survival by nearly a year as compared with ADT alone: median survival was 67 months with enzalutamide plus ADT and 56 months with ADT alone.
Journal Article
Activity and safety of SHR3680, a novel antiandrogen, in patients with metastatic castration-resistant prostate cancer: a phase I/II trial
by
Du, Chuanjun
,
Wan, Ben
,
Sun, Zhongquan
in
Androgen Antagonists - pharmacokinetics
,
Androgen Antagonists - therapeutic use
,
Androgen Receptor Antagonists - therapeutic use
2022
Background
Antagonizing the androgen-receptor (AR) pathway is an effective treatment strategy for patients with metastatic castration-resistant prostate cancer (CRPC). Here, we report the results of a first-in-human phase 1/2 study which assessed the safety, pharmacokinetics, and activity of SHR3680 (a novel AR antagonist) in patients with metastatic CRPC.
Methods
This phase 1/2 study enrolled patients with progressive metastatic CRPC who had not been previously treated with novel AR-targeted agents. In the phase 1 dose-escalation portion, patients received oral SHR3680 at a starting daily dose of 40 mg, which was subsequently escalated to 80 mg, 160 mg, 240 mg, 360 mg, and 480 mg per day. In phase 2 dose-expansion portion, patients were randomized to receive daily dose of 80 mg, 160 mg, or 240 mg of SHR3680. The primary endpoint in phase 1 was safety and tolerability and in phase 2 was the proportion of patients with a prostate-specific antigen (PSA) response (≥ 50% decrease of PSA level) at week 12.
Results
A total of 197 eligible patients were enrolled and received SHR3680 treatment, including 18 patients in phase 1 and 179 patients in phase 2. No dose-limiting toxicities were reported and the maximum tolerated dose was not reached. Treatment-related adverse events (TRAEs) occurred in 116 (58.9%) patients, with the most common one being proteinuria (13.7%). TRAEs of grade ≥ 3 occurred in only 23 (11.7%) patients, and no treatment-related deaths occurred. Antitumor activities were evident at all doses, including PSA response at week 12 in 134 (68.0%; 95% CI, 61.0–74.5) patients, stabilized bone disease at week 12 in 174 (88.3%; 95% CI, 87.2–95.5) patients, and responses in soft tissue lesions in 21 (34.4%, 95% CI, 22.7–47.7) of 61 patients.
Conclusion
SHR3680 was well tolerated and safe, with promising anti-tumor activity across all doses tested in patients with metastatic CRPC. The dose of 240 mg daily was recommended for further phase 3 study.
Trial registration
Clinical
trials.gov
NCT02691975; registered February 25, 2016.
Journal Article
Race and Treatment Outcomes in Patients With Metastatic Castration-Sensitive Prostate Cancer: A Secondary Analysis of the SWOG 1216 Phase 3 Trial
by
Plets, Melissa
,
Lara, Primo N
,
Quinn, David I
in
Androgens
,
Clinical trials
,
Health care access
2023
Importance Black patients present with more aggressive disease and experience higher mortality than White patients with prostate cancer. Race and social determinants of health influence prostate cancer-specific mortality and overall survival (OS); however, in a previous trial, Black patients did not have inferior outcomes compared with White patients, possibly because of equitable access to care available in a clinical trial setting. Objective To compare differences in survival outcomes of patients with metastatic castration-sensitive prostate cancer (mCSPC) by race in a phase 3 trial with a large proportion of Black patients. Design, Setting, and Participants This secondary analysis of patient-level data of a prospective phase 3 randomized clinical trial included patients with newly diagnosed mCSPC enrolled between March 1, 2013, and July 15, 2017. Analysis was conducted between December 2022 and February 2023. Interventions Patients receiving androgen deprivation therapy were randomized (1:1) to receive either orteronel 300 mg orally twice daily (experimental group) or bicalutamide 50 mg orally daily (control group). Main Outcomes and Measures OS, with progression-free survival (PFS) as a secondary end point. Results Among 1313 participants, 135 (10%) identified as Black and 1077 (82%) as White, with an equal racial distribution between groups. Black patients were younger (median [IQR] age, 65.8 [60-70] vs 68.4 [62.5-74.1] years;P = .001) and had a higher median (IQR) baseline prostate-specific antigen response rate than White patients (54.7 [19.8-222.0] vs 26.7 [9.2-96.0] ng/mL;P < .001). At a median follow-up of 4.9 years, Black and White patients had similar median PFS (2.3 years; 95% CI, 1.8-1.4 years vs 2.9 years; 95% CI, 2.5-3.3 years;P = .71) and OS (5.5 years; 95% CI, 4.8-NR vs 6.3 years; 95% CI, 5.7-NR;P = .65). The multivariable analysis confirmed similar PFS and OS after adjusting for known prognostic factors. No interaction between race and treatment was observed. Conclusions and Relevance In this secondary analysis of a randomized clinical trial studying androgen deprivation therapy with first- or second-generation androgen receptor pathway inhibitors, both Black and White patients demonstrated similar OS and PFS. Equitable access to care may reduce historical differences in outcomes between Black and White patients with advanced prostate cancer. Trial Registration ClinicalTrials.gov Identifier:NCT01809691
Journal Article
Treatment and trials in non-metastatic castration-resistant prostate cancer
2021
Metastatic prostate cancer is associated with considerable morbidity and mortality. Standard treatment for non-metastatic prostate cancer, to prevent metastatic progression, is androgen deprivation therapy (ADT); however, many patients will eventually develop castration-resistant prostate cancer (CRPC), which can prove challenging to treat. Between the stages of non-metastatic androgen-sensitive disease and metastatic CRPC is an intermediate disease state that has been termed non-metastatic CRPC (nmCRPC), which is a heterogeneous, man-made disease stage that occurs after a patient who has no radiological evidence of metastasis shows evidence of cancer progression even after ADT. Awareness of nmCRPC has risen owing to an increased use of ADT and its eventual failure. Men with nmCRPC are at a high risk of progression to mCRPC, with historically few options to halt this process. However, in the past two decades, multiple therapies have been investigated for the treatment of nmCRPC, including endothelin receptor antagonists and bone-targeted therapies, but none has changed the standard of care. In the past decade, the efficacy of androgen receptor pathway-targeting modalities has been investigated. Three novel nonsteroidal antiandrogen agents for treating high-risk nmCRPC have been investigated; the PROSPER, SPARTAN and ARAMIS trials were phase III, randomized, placebo-controlled clinical trials that investigated the efficacy and safety of enzalutamide, apalutamide and darolutamide, respectively. All three therapeutics showed statistically significant improvements in metastasis-free survival, progression to antineoplastic therapy was lengthened and at final analysis, overall survival was significantly improved. The comparative efficacy and safety of all three agents has not yet been investigated in a comprehensive clinical trial, but approval of these medications by the FDA and other regulatory agencies means that providers now have three effective therapeutic options to augment ADT for patients with nmCRPC.Non-metastatic CRPC (nmCRPC) is a heterogeneous, man-made disease stage that has received increased attention. Historically, few options were available to treat nmCRPC; however, three novel nonsteroidal antiandrogens, enzalutamide, apalutamide and darolutamide, are now available for men with this disease.
Journal Article
Positive epigenetic regulation loop between AR and NSUN2 promotes prostate cancer progression
by
Zhang, Hena
,
Zhu, Wenkai
,
Huang, Shenglin
in
5-Methylcytosine
,
Androgen Antagonists - pharmacology
,
Androgen Antagonists - therapeutic use
2022
Background Prostate cancer (PCa) is a major type of cancer in man worldwide. Androgen deprivation therapy (ADT) and the next‐generation androgen receptor (AR) pathway inhibitors have acquired great success in treating PCa. However, patients treated with ADT or AR targeted therapy are inevitably developing into castration‐resistant prostate cancer (CRPC) or becoming drug resistance. The role of mRNA 5‐methylcytosine (m5C) modification in cancers is largely unknown. This study aimed to explore the role of the m5C methyltransferase NSUN2 in Prostate cancer (PCa). Methods The expression of NSUN2 and its clinicopathological impact were evaluated in PCa cohorts. The effect of NSUN2 on the biological characteristics of PCa cells was investigated on the basis of gain‐offunction and loss‐of‐function analyses. Subcutaneous models further uncovered the role of NSUN2 in tumor growth. Epi‐transcriptome assays with RNA bisulfite sequencing (RNA‐BisSeq) analysis and in vitro enzyme reaction assays were performed to validate the targeted effect of NSUN2 on AR. AR‐binding sites in the NSUN2 promoter were investigated by ChIP and luciferase assays to uncover the interplay between NSUN2 and AR signaling. RIP‐qPCR and EMSA methods were performed to confirm that YBX1 binds to AR m5C sites. Results NSUN2 is highly expressed in PCa and predicts poor outcome. NSUN2 plays roles as a PCa oncogene both in vitro and in vivo. Depletion of NSUN2 results in decreased expression and activities of AR, including AR‐V7. Mechanistically, NSUN2 posttranscriptionally stabilized AR by cluster m5C modification in a m5CYBX1‐dependent manner. Strikingly, treatment with enzalutamide, an effective AR inhibitor, reduces NSUN2 expression and decreases the m5C modification level in prostate cancer cells. Finally, we found that AR transcriptionally regulates NSUN2. Conclusion NSUN2 stabilizes AR mRNA through cluster 5‐methylcytosine modification and activates a positive feedback loop to promote prostate cancer. NSUN2 expression is upregulated in PCa and associated with a worse prognosis. AR mRNA is modified by NSUN2 and is stabilized in an m5C‐YBX1‐dependent manner. The m5C modification located in the 5′ region of AR mRNA, influenced several AR variants including AR‐V7. NSUN2 expression is also transcriptionally regulated by AR and can respond to ADT and ARSI treatment.
Journal Article
Testosterone for Low Libido in Postmenopausal Women Not Taking Estrogen
by
Moufarege, Alain
,
Braunstein, Glenn D
,
Studd, John
in
Administration, Cutaneous
,
Androgens - administration & dosage
,
Androgens - adverse effects
2008
In this double-blind, placebo-controlled, 52-week trial among postmenopausal women not receiving estrogen therapy, treatment with a patch delivering 300 μg of testosterone per day resulted in a significant although modest increase in the 4-week frequency of satisfying sexual episodes (1.4 more episodes per month), but the women were also subject to more adverse events, including androgenic side effects.
In postmenopausal women not receiving estrogen therapy, treatment with a patch delivering 300 '1;g of testosterone per day resulted in a significant although modest increase in the 4-week frequency of satisfying sexual episodes.
The literature suggests that the prevalence of sexual problems among women ranges from 9 to 43%.
1
–
4
Among these women, hypoactive sexual desire disorder is a commonly reported, symptom-driven condition characterized by a decrease or absence of interest in sexual activity, causing distress.
5
Decreased libido is common after natural menopause
6
,
7
and bilateral oophorectomy.
8
–
10
Several studies have shown the efficacy and short-term safety of a transdermal patch delivering 300 μg of testosterone per day for the treatment of hypoactive sexual desire disorder in women who have undergone either surgically induced or natural menopause and who use concomitant estrogen.
11
– . . .
Journal Article