Hormone Therapy For Cancer Research Articles

Study on the Impact of Hormone Therapy for Prostate Cancer on the Quality of Life and the Psycho-Relational Sphere of Patients: ProQoL.

Prostate cancer and its treatment, particularly androgen deprivation therapy (ADT), can profoundly impact patients' quality of life. The aim of the prospective observational study reported here was to evaluate the effects of ADT on various aspects of quality of life in men with prostate cancer at a community-based hospital in Southern Italy. Eligible men initiating hormonal therapy were recruited between December 2021 and December 2023. Data were collected at baseline (T0) and after 3months (T1) and 6months (T2) of ADT using standardized questionnaires (European Organization for Research and Treatment of Cancer [EORTC] QLQ-C30, EORTC QLQ-PR25) and semi-structured interviews. Of the 52 participants, 43 completed all three assessments. The EORTC QLQ-C30 showed a statistically significant worsening in physical functioning (mean score decrease from 83.8 at T0 to 76.7 at T2; p < 0.001), increased fatigue (from 23.7 to 35.2; p < 0.001), and insomnia (from 23.7 to 31.8; p = 0.048) following ADT initiation. The QLQ-PR25 revealed a significant decline in sexual functioning (from 59 to 26.9; p < 0.001) and sexual activity (from 27.3 to 12; p = 0.001). Interviews revealed a significant rise in the number of patients reporting depressed mood. Interviews also highlighted a worsening in body image perception and sexuality, increased feelings of dependence, and challenges in the social and relational spheres. ADT significantly impacts various aspects of quality of life in men with prostate cancer, particularly physical functioning, fatigue, sexual function, body image, and emotional well-being. These results underscore the critical importance of a comprehensive, patient-centered approach that addresses both the physical and psychosocial aspects of care.

6485 Unilateral Adrenal Metastasis From Unknown Primary Carcinoma Mimicking Primary Adrenocortical Carcinoma

Abstract Disclosure: S. Watanabe: None. S. Suzuki: None. K. Ishiwata: None. Y. Yamazaki: None. H. Sasano: None. K. Yokote: None. Background: Adrenal metastasis from carcinomas of the lung, breast, and melanoma are observed. However, isolated adrenal metastasis with unknown primary carcinoma origin has been rare, and the diagnosis is challenging. We encountered a case of unilateral adrenal tumor clinically diagnosed as non-functional primary adrenocortical carcinoma, but found to be a metastatic tumor on postoperative pathology. Clinical Case: A 68-year-old man was referred to our hospital for examination of an 8mm right adrenal incidentaloma. He underwent hormone therapy for prostate cancer four years ago, and the condition is in remission with no recurrence signs. Follow-up CT revealed that the adrenal tumor rapidly enlarged from 8 mm to 36 mm within six months, and its mean attenuation value was 38 HU. MRI showed that the adrenal tumor had a low signal intensity on T1 and a high signal on T2. At the same time, there is mediastinal lymphadenopathy and a 9-mm nodule in the lower lobe of the right lung, which was considered benign from the stable condition. FDG-PET/CT showed FDG uptake only in the right adrenal tumor (maximum standardized uptake value of 21.39). [1]23I-MIBG scintigraphy did not show any accumulations. The serum and urinary adrenal hormones were all within normal limits. Notably, tumor markers such as prostate-specific antigen (PSA), carcinoembryonic antigen (CEA), α-fetoprotein (AFP), and cancer antigen 19-9 (CA 19-9) were all within normal ranges. Therefore, we clinically suspected non-functional primary adrenocortical carcinoma, and the laparoscopic right adrenalectomy was performed. The resected right adrenal lesion was encapsulated and measured 79×54×22 mm. On histological analysis, the nodule comprised tumor cells with eosinophilic cytoplasm, and abundant tissue infiltrating lymphocytes. Immunohistochemical studies revealed that the tumor was not of adrenal origin due to negative steroidogenic factor-1 (SF-1) and inhibin alpha staining. From these results, the adrenal tumor was diagnosed as adrenal metastasis from unknown primary carcinoma. The tumor cells were positive for cytokeratin19, CEA, and thyroid transcription factor-1 but negative for PSA, p63, cytokeratin 5/6, insulinoma-associated protein-1, and synaptophysin. Genetically, the adrenal tumor harbored genomic abnormalities in CDKN2A, TP53, NF1, PBRM1, and KEAP1 genes. Conclusion: Isolated adrenal metastasis without a detectable primary tumor is rare but should be considered a differential diagnosis in the case of an enlarged, non-functioning adrenal tumor. Adrenalectomy or tumor biopsy may be actively considered to diagnose and determine the optimal course of treatment. Presentation: 6/3/2024

Long-term outcomes of high-dose-rate brachytherapy and external beam radiotherapy without hormone therapy for high-risk localized prostate cancer

PurposeUntil March 2018, patients with high-risk localized prostate cancer had been administered high-dose-rate brachytherapy (HDR-BT) combined with external beam radiotherapy (EBRT) without additional hormone therapy (HT) at our institution. In this study, we aimed to evaluate long-term outcomes of this treatment.Materials and methodsPatients with prostate cancer who received HDR-BT and EBRT between April 1997 and March 2021 and who were followed up for at least 6 months were included in the study. High-risk groups were classified into five levels according to the National Comprehensive Cancer Network guidelines. The EBRT and HDR-BT doses were 39–45 Gy/13–25 fractions. and 16.5–22 Gy/2–4 fractions, respectively. None of the patients received HT during initial treatment. The Kaplan–Meier method was used to estimate biochemical freedom from failure (bFFF), cause-specific survival (CSS), and overall survival (OS) rates. Biochemical failure was also determined.ResultsSeventy-two patients were enrolled in the study, with a median follow-up of 91.9 months. The median age and initial prostate-specific antigen (iPSA) level were 71 years and 10.95 ng/mL, respectively. The median biologically effective dose for HDR-BT plus EBRT was 270.3 Gy. The 5- and 7-year bFFF, CSS, and OS rates were 85.2 and 74.2%, 100 and 100%, and 95.7 and 91.9%, respectively. Only the iPSA ≤ 20 group was associated with the higher bFFF rate. The 7-year bFFF rates in the groups with iPSA ≤ 20 and iPSA > 20 were 86.6 and 48.6%, respectively.ConclusionHDR-BT plus EBRT without HT might be an alternative treatment option for patients with high-risk localized prostate cancer and iPSA levels ≤ 20. Further studies are required to validate the efficacy of this treatment strategy.

The prognostic significance of additional localized treatment to primary lesion in patients undergoing hormone therapy for metastatic hormone-sensitive prostate cancer: A systematic review and meta-analysis.

We aimed to compare the prognostic values of 'localized treatment to the primary lesion (LT) plus hormone therapy (HT)' versus 'HT alone' in metastatic hormone-sensitive prostate cancer (mHSPC). We conducted a systematic search through the databases of PubMed®, Web of Science®, and Cochrane library® in April 2023 based on the PRISMA (Preferred Reporting Items for Systemic Reviews and Meta-Analyses) statement. A pooled meta-analysis was performed to assess the prognostic differences between LT + HT and HT alone according to randomized and non-randomized controlled studies (RCTs and NRCTs, respectively). The search identified three RCTs and eight NRCTs. In RCTs, LT did not show prognostic benefits regarding biochemical-failure free rate nor overall survival (OS), although in patients with low tumor burdens, the LT + HT group showed better OS (HR: 0.68, 95% CI: 0.54-0.86). In the NRCTs, the LT+HT group showed superior progression-free survival (hazard ratio (HR): 0.42, 95% confidence interval (CI): 0.21-0.87), cancer-specific survival (HR: 0.39, 95% CI: 0.20-0.76), and OS (HR: 0.63, 95% CI: 0.57-0.69) to the HT alone group. In addition, better OS was observed in the LT +HT group regardless of the type of treatment modality for LT; radical prostatectomy (HR: 0.52, 95% CI: 0.39-0.69), radiotherapy (HR: 0.63, 95% CI: 0.56-0.71) in NRCTs. LT to the primary lesion in metastatic hormone-sensitive prostate cancer may provide prognostic benefits and especially in patients with low tumor burden.

Fulvestrant with or without the cyclin-dependent kinase 7 (CDK7) inhibitor samuraciclib in advanced hormone receptor positive (HR+) breast cancer after CDK4/6 inhibition: Phase II SUMIT-BC study.

TPS1126 Background: CDK7 enhances oncogene transcription and upregulates anti-apoptotic genes, accelerates the cell cycle via CDK phosphorylation, and activates estrogen receptors (ERs) that can drive resistance to hormonal therapy in cancer. CDK7 inhibition therefore represents a potential anticancer strategy in cancer. Samuraciclib (CT7001) is a small molecule, ATP competitive, selective oral inhibitor of CDK7 that inhibits these key effects of CDK7. Samuraciclib had a favorable safety profile and showed clinical activity when combined with fulvestrant in a phase I study in patients with HR+/HER2− advanced breast cancer (BC) who had previously been treated with a CDK4/6 inhibitor. Patients with no detectable TP53 mutation in ctDNA at baseline and those without baseline liver metastases appeared to have better outcomes. The instant release capsule formulation of samuraciclib used in this study released large amounts of samuraciclib high in the gastrointestinal (GI) tract, which may have contributed to the observed low grade GI adverse events, which were managed with prophylaxis and counselling (1). Methods: A phase 2 open-label randomized study has been designed to evaluate the efficacy, safety, pharmacokinetics (PK), and quality of Life (QoL) of samuraciclib combined with fulvestrant compared to fulvestrant monotherapy (SUMIT-BC; NCT05963984). Eligible patients (n=60) are ≥18 years, have histologically or cytologically confirmed ER+/HER2− advanced or metastatic BC not amenable to resection or radiotherapy of curative intent, have received an aromatase inhibitor combined with a CDK4/6 inhibitor in the adjuvant or advanced setting, are receiving a luteinizing hormone-releasing hormone agonist if pre/perimenopausal, and have RECIST v1.1 evaluable disease. Prior SERD, mTOR inhibition, or chemotherapy for advanced BC are not permitted. All patients undergo baseline Guardant360 ctDNA analysis to establish TP53 and other mutation status. Patients are randomized 1:1:1 to fulvestrant alone (500 mg IM administered on days 1, 15 and 29 and then monthly), fulvestrant and samuraciclib 240 mg QD, or fulvestrant and samuraciclib 360 mg QD. In preparation for phase 3 development, a novel single tablet formulation of samuraciclib is used, which may enhance GI tolerability. Patients undergo RECIST v1.1 evaluation at baseline, every 8 weeks until week 48, and every 12 weeks thereafter. The primary endpoint is clinical benefit response at 24 weeks. Secondary endpoints are tolerability, progression free survival, overall response rate, duration of response, and PK of fulvestrant and samuraciclib. QoL (Functional Assessment of Cancer Therapy - Breast questionnaire [FACT-B]) and correlations between TP53 mutation and efficacy/safety will be assessed. 1. Coombes et al. Nature Comms 2023. Clinical trial information: NCT05963984 .

Interrupting Breast Cancer Endocrine Therapy for Pregnancy

Interrupting Breast Cancer Endocrine Therapy for Pregnancy

Exploration of vitamin D metabolic activity-related biological effects and corresponding therapeutic targets in prostate cancer

BackgroundPrevious studies have unequivocally demonstrated that the vitamin D (VD) metabolism pathway significantly influences prognosis and sensitivity to hormone therapy in prostate cancer (PCa). However, the precise underlying mechanism remains unclear.MethodsWe performed molecular profiling of 1045 PCa patients, leveraging genes linked to VD synthesis and VD receptors. We then identified highly variable gene modules with substantial associations with patient stratification. Subsequently, we intersected these modules with differentially expressed genes between PCa and adjacent paracancerous tissues. Following a meticulous process involving single-factor regression and LASSO regression to eliminate extraneous variables and construct a prognostic model. Within the high-risk subgroup defined by the calculated risk score, we analyzed their differences in cell infiltration, immune status, mutation landscape, and drug sensitivity. Finally, we selected Apolipoprotein E (APOE), which featured prominently in this model for further experimental exploration to evaluate its potential as a therapeutic target.ResultsThe prognostic model established in this study had commendable predictive efficacy. We observed diminished infiltration of various T-cell subtypes and reduced expression of co-stimulatory signals from antigen-presenting cells. Mutation analysis revealed that the high-risk cohort harbored a higher frequency of mutations in the TP53 and FOXA genes. Notably, drug sensitivity analysis suggested the heightened responsiveness of high-risk patients to molecular inhibitors targeting the Bcl-2 and MAPK pathways. Finally, our investigation also confirmed that APOE upregulates the proliferative and invasive capacity of PCa cells and concurrently enhances resistance to androgen receptor antagonist therapy.ConclusionThis comprehensive study elucidated the potential mechanisms through which this metabolic pathway orchestrates the biological behavior of PCa and findings hold promise in advancing the development of combination therapies in PCa.

Abstract 864: Pan-cancer analysis of lactic acid metabolism landscape across the Cancer Genome Atlas

Abstract Introduction: Metabolic reprogramming plays an important role in tumor occurrence and progression. Our studies confirmed the survival state of patients with different metabolic systems was heterogeneous and glycolytic metabolism may cause tumor progression. Based on these findings, lactic acid metabolism in glycolysis aroused our interest. This study evaluated the potential association between lactate metabolism gene and tumor clinical process in hepatocellular carcinoma, and proved that it can be used as an effective tool for survival prediction and treatment guidance of 32 kinds of tumor patients by establishing lactate score prognosis model. Methods: We used the expression profile, proteomics and epigenetics of HCC lactate gene set in the Cancer Genome Atlas Database to systematically describe the changes of lactate related genes. The differentially expressed genes were then verified in 32 clinical tumor data sets. A prognostic model of tumor lactic acid infiltration was constructed to evaluate its correlation with the prognosis of patients. Finally, we analyzed the effects of lame score, immunotherapy and drug response on the clinical process of tumor. Results: Firstly, we analyzed the differential expression of lactate metabolism genes in HCC and found that the prognosis of patients with high lactate infiltration was significantly lower than that of mild infiltration. AF angiogenesis factor and EMT factor in high infiltration may be the main reason for their differential expression. We constructed a tumor lactic acid prognosis model through six significantly different lactic acid genes, and found that lame score can be used as a predictor of immunotherapy. In addition, we proved the role of lame score in Pan cancer. PGA was positively correlated with lame score in most tumors. The prognosis of 16 tumors with high lame score group was significantly lower than that of low lame score group. There were significant differences in lame score between metastatic and non metastatic cancer groups of Cesc, kirc and kirp. The high and low risk groups of some tumors showed different dryness indices and dampness. At the same time, methylation gene modification has a significant impact on the Lame score of pan cancer, and the Lame score is used to link the drug tolerance and specific pathway enrichment of pan cancer tumor cell lines, confirming the targeted effect of Lame score on tumor treatment. Finally, we used the clinical characteristics and immunohistochemical analysis of a cohort study of real patients with breast cancer endocrine therapy (Tamoxifen) and hepatocellular carcinoma targeted therapy (Lenvartinib) to verify the clinical treatment prediction ability of lame score. Conclusions: Our study provides a comprehensive analysis of lactate metabolic across cancers and highlights the potential treatment of lactate targeted therapies for cancers. Citation Format: Xiaolin Wei, Lei Cai, Qian He. Pan-cancer analysis of lactic acid metabolism landscape across the Cancer Genome Atlas [abstract]. In: Proceedings of the American Association for Cancer Research Annual Meeting 2024; Part 1 (Regular Abstracts); 2024 Apr 5-10; San Diego, CA. Philadelphia (PA): AACR; Cancer Res 2024;84(6_Suppl):Abstract nr 864.

Developing liver-targeted naringenin nanoparticles for breast cancer endocrine therapy by promoting estrogen metabolism

Endocrine therapy is standard for hormone receptor–positive (HR+) breast cancer treatment. However, current strategies targeting estrogen signaling pay little attention to estradiol metabolism in the liver and is usually challenged by treatment failure. In a previous study, we demonstrated that the natural compound naringenin (NAR) inhibited HR+ breast cancer growth by activating estrogen sulfotransferase (EST) expression in the liver. Nevertheless, the poor water solubility, low bio-barrier permeability, and non-specific distribution limited its clinical application, particularly for oral administration. Here, a novel nano endocrine drug NAR-cell penetrating peptide-galactose nanoparticles (NCG) is reported. We demonstrated that NCG presented specific liver targeting and increased intestinal barrier permeability in both cell and zebrafish xenotransplantation models. Furthermore, NCG showed liver targeting and enterohepatic circulation in mouse breast cancer xenografts following oral administration. Notably, the cancer inhibition efficacy of NCG was superior to that of both NAR and the positive control tamoxifen, and was accompanied by increased hepatic EST expression and reduced estradiol levels in the liver, blood, and tumor tissue. Moreover, few side effects were observed after NCG treatment. Our findings reveal NCG as a promising candidate for endocrine therapy and highlight hepatic EST targeting as a novel therapeutic strategy for HR+ breast cancer.Graphical

(107) Evaluating the Impact of Prior Prostate Cancer Hormonal Therapy on Satisfaction Rates in Post Implantation of Inflatable Penile Prosthesis

Abstract Introduction Androgen deprivation therapy (ADT), a vital treatment modality for prostate cancer, effectively reduces androgens (testosterone &amp; dihydrotestosterone) through inhibiting its production or blocking its action, thereby impeding the growth and even causing shrinkage of prostate cancer cells. It has been utilized in the treatment of early-stage, recurrent, and metastatic cases of prostate cancer. Common side effects were hot flashes, fatigue, decreased bone density, mood changes, decrease libido and sexual dysfunction. Inflatable penile prosthesis (IPP) implantation has already emerged as a highly successful treatment option, garnering significant satisfaction rates among the general population with erectile dysfunction (ED) and specifically in prostate cancer patients who underwent radical prostatectomy (RP) or radiation therapy (XRT). Nevertheless, there remains a dearth of literature examining satisfaction rates specifically in patients with hormonal therapy history post-IPP implantation Objective Our study aims to comprehensively evaluate patient satisfaction rates post IPP implantation for ED, in relation to their ADT status for prostate cancer. Methods A retrospective chart review from our institutional database was conducted to identify 529 patients who underwent IPP at our institution by a single surgeon from 2017 to 2022. Eligible patients for inclusion included those with histological confirmation of prostate cancer treated by RP or XRT with or without hormonal therapy, followed by IPP implantation for ED, and had completed the 11-item Erectile Dysfunction Inventory of Treatment Satisfaction (EDITS) validated questionnaire with data available for review. All EDITS questionnaires were administered at least 6 months from operative date or later. Eligible patients were screened for placement into one of two groups depending on their ADT status. To prevent crossover confounding; patients with history of other types of hormonal therapy for non prostate cancer patients were excluded. Results A total of 96 patients were included and categorized into group 1 (ADT, n=30) and group 2 (No ADT, n=66). All patients' demographics were summarised in Table 1. The study revealed notable results regarding the impact of ADT on post IPP satisfaction rates which exhibited a significantly lower EDITS score compared to group 2 (P= 0.034) (Figure 1). Furthermore, group 1 showed no significant changes in post IPP satisfaction with relation to type of prostate cancer treatment offered. While group 2 demonstrated a significantly higher EDITS score post IPP in RP patients compared to XRT, which aligns with the reported literature. Conclusions Our initial findings suggest that despite IPP implantation for managing erectile dysfunction, which is expected to yield high satisfaction rates compared to other available treatment options, Yet the previous or ongoing history of androgen deprivation therapy continues to influence such patients' satisfaction. These observations provide valuable insights; however, further investigation on a larger scale is essential to validate these trends. Additionally, it is crucial to offer proper counseling to these patients regarding the expected outcomes to assist them in making informed decisions regarding the management of their ED. Lastly, the routine use of validated questionnaires has demonstrated significant value in quantifying device and sexual satisfaction following IPP implantation and should be considered as an integral evaluation tool Disclosure No.

(283) Evaluating The Impact of Prior Prostate Cancer Hormonal Therapy on Satisfaction Rates in Post Implantation of Inflatable Penile Prosthesis

Abstract Introduction Androgen deprivation therapy (ADT), a vital treatment modality for prostate cancer, effectively reduces androgens (testosterone &amp; dihydrotestosterone) through inhibiting its production or blocking its action, thereby impeding the growth and even causing shrinkage of prostate cancer cells. It has been utilized in the treatment of early-stage, recurrent, and metastatic cases of prostate cancer. Common side effects were hot flashes, fatigue, decreased bone density, mood changes, decrease libido and sexual dysfunction. Inflatable penile prosthesis (IPP) implantation has already emerged as a highly successful treatment option, garnering significant satisfaction rates among the general population with erectile dysfunction (ED) and specifically in prostate cancer patients who underwent radical prostatectomy (RP) or radiation therapy (XRT). Nevertheless, there remains a dearth of literature examining satisfaction rates specifically in patients with hormonal therapy history post-IPP implantation Objective Our study aims to comprehensively evaluate patient satisfaction rates post IPP implantation for ED, in relation to their ADT status for prostate cancer. Methods A retrospective chart review from our institutional database was conducted to identify 529 patients who underwent IPP at our institution by a single surgeon from 2017 to 2022. Eligible patients for inclusion included those with histological confirmation of prostate cancer treated by RP or XRT with or without hormonal therapy, followed by IPP implantation for ED, and had completed the 11-item Erectile Dysfunction Inventory of Treatment Satisfaction (EDITS) validated questionnaire with data available for review. All EDITS questionnaires were administered at least 6 months from operative date or later. Eligible patients were screened for placement into one of two groups depending on their ADT status. To prevent crossover confounding; patients with history of other types of hormonal therapy for non prostate cancer patients were excluded. Results A total of 96 patients were included and categorized into group 1 (ADT, n=30) and group 2 (No ADT, n=66). All patients' demographics were summarised in Table 1. The study revealed notable results regarding the impact of ADT on post IPP satisfaction rates which exhibited a significantly lower EDITS score compared to group 2 (P= 0.034) (Figure 1). Furthermore, group 1 showed no significant changes in post IPP satisfaction with relation to type of prostate cancer treatment offered. While group 2 demonstrated a significantly higher EDITS score post IPP in RP patients compared to XRT, which aligns with the reported literature. Conclusions Our initial findings suggest that despite IPP implantation for managing erectile dysfunction, which is expected to yield high satisfaction rates compared to other available treatment options, Yet the previous or ongoing history of androgen deprivation therapy continues to influence such patients' satisfaction. These observations provide valuable insights; however, further investigation on a larger scale is essential to validate these trends. Additionally, it is crucial to offer proper counseling to these patients regarding the expected outcomes to assist them in making informed decisions regarding the management of their ED. Lastly, the routine use of validated questionnaires has demonstrated significant value in quantifying device and sexual satisfaction following IPP implantation and should be considered as an integral evaluation tool. Disclosure No.

Does hormone therapy impact cognition in patients with prostate cancer? A systematic review and meta-analysis.

Hormone therapy, which is widely prescribed for prostate cancer, might induce cognitive impairment and affect the autonomy of elderly patients. However, previous studies provided conflicting results. The aim of this systematic review and meta-analysis was to synthesize the longitudinal impact of hormone therapy on objective (cognitive tests) and subjective (questionnaires) cognition. A search was performed of the PubMed, Web of Science, and PsycINFO databases. Studies that longitudinally assessed cognition in patients undergoing androgen-deprivation therapy and new-generation hormone therapy were considered. To perform a meta-analysis, available scores were aggregated and classified into six objective domains and one subjective domain. Weighted mean effect sizes were computed using a random effect model. Twenty studies were included in the systematic review (1440 patients), and 15 could be included in the meta-analysis (1093 patients). In the systematic review, 20%-50% of patients had objective cognitive impairment before treatment initiation. The meta-analysis revealed a decline in subjective cognition (g=-0.44; p=.03) with androgen-deprivation therapy and new-generation hormone therapy. All other effect sizes were small (from g=-0.02 to g=0.18), and none of them indicated a significant decline in objective cognition. Significant heterogeneity was observed in all domains of objective cognition. This synthesis presents the first meta-analytic evidence of the negative impact of androgen-deprivation therapy and new-generation hormone therapy on subjective cognition. In contrast, there was no conclusive evidence of a decline in objective cognition. The high heterogeneity underscores the need for homogeneous cognitive research on prostate cancer. There is no consensus on the cognitive impairment induced by hormone therapy for prostate cancer, despite the implications for patients' care and daily life. This synthesis of published studies demonstrated an increase in perceived cognitive difficulties but did not prove a decline in cognitive performance during treatment.

Bibliometricanalysis and visualization of endocrine therapy for breast cancer research in the last two decade.

Breast cancer endocrine therapy research has become a crucial domain in oncology since hormone receptor-positive breast cancers have been increasingly recognized, and targeted therapeutic interventions have been advancing over the past few years. This bibliometric analysis attempts to shed light on the trends, dynamics, and knowledge hotspots that have shaped the landscape of breast cancer endocrine therapy research between 2003 and 2022. In this study, we comprehensively reviewed the scientific literature spanning the above-mentioned period, which included publications accessible through the database of the Web of Science (WOS) and the National Center for Biotechnology Information (NCBI). Next, a systematic and data-driven analysis supported by sophisticated software tools was conducted, such that the core themes, prolific authors, influential journals, prominent countries, and critical citation patterns in the relevant research field can be clarified. A continuous and substantial expansion of breast cancer endocrine therapy research was revealed over the evaluated period. A total of 1,317 scholarly articles were examined. The results of the analysis suggested that research on endocrine therapy for breast cancer has laid a solid basis for the treatment of hormone receptor-positive breast cancer. From a geographical perspective, the US, the UK, and China emerged as the most active contributors, illustrating the global impact of this study. Furthermore, our analysis delineated prominent research topics that have dominated the discourse in the past two decades, including drug therapy, therapeutic efficacy, molecular biomarkers, and hormonal receptor interactions. This comprehensive bibliometric analysis provides a panoramic view of the ever-evolving landscape of breast cancer endocrine therapy research. The findings highlight the trajectory of past developments while signifying an avenue of vast opportunities for future investigations and therapeutic advancements. As the field continues to burgeon, this analysis will provide valuable guidance for to researchers toward pertinent knowledge hotspots and emerging trends, which can expedite the discoveries in the realm of breast cancer endocrine therapy.

Effect of neoadjuvant endocrine therapy on the acoustic environment in tissue of prostate cancer: a study of histopathological characteristics.

Neoadjuvant endocrine therapy (NET) of prostate cancer (PCa) may alter the tissue acoustic environment (AET). The structure of tissue is an important factor affecting AET. The aim is to analyze changes in tissue structures after NET in PCa, focusing on calcifications, smooth muscle cells, and blood vessels. We collected 40 patients diagnosed with PCa by pathological examination between October 2020 and December 2022. Twenty patients who underwent radical prostatectomy (RP) after NET were designed as the test group. Twenty patients without NET were assigned to the control group. Calcifications, smooth muscle cells and blood vessels were observed by hematoxylin-eosin (HE) staining and Van Gieson (VG)-special staining respectively. Then the amount and acreage of calcified tissue, the number of smooth muscle cells and different types of blood vessels were quantitatively analyzed. There was a subtle increase in the number (P=0.001) and the area (P<0.001) of calcification after NET. The total number of smooth muscle cells was significantly higher than that without NET (P<0.001). NET resulted in significantly fewer veins compared to those without NET (P<0.001). There was a little increase in the number of arteries after NET (P=0.001). The number of veins decreased was much greater than the number of arteries increased resulting in significantly fewer total vessels after NET (P<0.001). NET can lead to changes in calcifications, smooth muscle cells, and blood vessels within PCa tissues, which may cause alterations in AET.

Management considerations for adjunct hormone therapy in prostate cancer

There are a number of androgen receptor targeted therapies available for patients with prostate cancer. There is no evidence of superior efficacy between these available drugs, so choice is mainly guided by toxicity, ease of use, monitoring, comorbidities and patient preference, as well as access to treatment

P109 - An evaluation of service diversification in response to increasing therapeutic indications for 2nd generation hormone therapy in prostate cancer

P109 - An evaluation of service diversification in response to increasing therapeutic indications for 2nd generation hormone therapy in prostate cancer

Randomized phase III trial evaluating motivational interviewing and text interventions to optimize adherence to breast cancer endocrine therapy (Alliance A191901): the GETSET protocol

BackgroundHormone receptor-positive (HR +) breast cancer is the most common type of breast cancer in the USA but has excellent long-term outcomes in recent decades, in part due to effective oral endocrine therapy (ET). ET medications are typically prescribed for 5 to 10 years, depending on the risk of recurrence, and must be taken daily. One limiting factor to ET efficacy is nonadherence, with high-risk groups for nonadherence including younger women and Black women.MethodsThe Alliance for Clinical Trials in Oncology (Alliance) trial A191901 is an ongoing, four-arm (text message reminder (TMR), motivational interviewing (MI), TMR plus MI, or enhanced usual care) randomized clinical trial that tests the efficacy and effect of two interventions (TMR and/or MI) on improved ET adherence, patient-reported outcomes (PROs), and resource use requirements among HR + breast cancer survivors. Participants are randomized in a 1:1:1:1 ratio to the four arms. With an assumed loss to follow-up of approximately 11%, we plan to recruit 1180 participants. Randomization is stratified based on age and race to ensure balance between the arms, and we oversample younger and Black women, with each group representing 30% of the study population. Participants randomized to an intervention will actively participate in the intervention for 9 months, and all participants will be followed for adherence data and PRO endpoints, through the use of the Pillsy cap medication event monitoring system and Alliance ePRO survey app (i.e., Patient Cloud). The primary analysis will compare Pillsy-measured ET adherence among study arms at 12 months.DiscussionThis multisite study will not only define strategies to improve adherence to breast cancer oral therapies, but it will also potentially support strategies in large cooperative research groups that can increase delivery and tolerability of ET, involve diverse patient populations in clinical research, and engage patients effectively in interventional studies, using remote and cost-effective delivery methods.Trial registrationClinicaltrials.gov NCT04379570. Registered on 7 May 2020.

Evaluation of CD47 in the Suppressive Tumor Microenvironment and Immunotherapy in Prostate Cancer.

CD47 has high levels of expression in malignant cancer cells, which binds to SIRP-α to release the "don't eat me" signal and prevents mononuclear macrophages from phagocytosing the cells. Resistance to drugs and metastases are potential barriers for prostate cancer endocrine therapy. Although immunotherapy for tumors has developed rapidly in the last few decades, its effectiveness in treating prostate cancer is unsatisfactory. Prostate cancer has a high-expression level of CD47. Therefore, a novel approach for potential immunotherapy may be provided by investigating the relationship among CD47 and the infiltration of immune cells in the prostate carcinoma. The GEPIA database was utilized to compare the abundance of CD47 in malignant tissues with tissues that were normal. Furthermore, the function of CD47 in prostate carcinoma was assessed by CancerSEA. The association among CD47 and the tumor microenvironment was assessed utilizing the TISCH single cell data database. By using TIMER, the connection among CD47 and immunological invasion of prostate cancer was explored. Moreover, macrophages were cocultured with mouse prostate cancer cell RM-1 blocked by CD47 antibody to observe the changes in phagocytosis efficiency in vitro. Expression level of CD47 is upregulated in prostate carcinoma, and it is closely connected with prostate cancer's inadequate immune invasion. CD47 antibody blocking promotes macrophage phagocytosis of RM-1. Our research demonstrates a closely relationship among CD47 and the immunological microenvironment of prostate cancer, and blocking CD47 can promote macrophages to phagocytosis of prostate cancer cells. Therefore, CD47 may provide novel strategies for potential immunotherapy of prostate cancer.

PEGylated nanoassemblies composed of edelfosine and fulvestrant drugs: In vitro antiproliferative effect against breast cancer cells

Edelfosine (EDL) and Fulvestrant (FUL), proven anticancer agents, suffer significant limitations for low water solubility and poor bioavailability. FUL is an effective breast cancer endocrine therapy (ET) as a selective estrogen receptor α (ERα) antagonist. Resistance to ET results from ER ligand-independent transactivation via PI3K-AKT and/or MAPK/ERK survival pathways that are the main target for EDL. Thus, combination of both drugs in the same nanosystem, with high encapsulation efficiency, may enhance their effectiveness, overcome undesirable features, and may overcome ET resistance. In the current work, self-assembled nanostructures of both drugs were formulated utilizing the nanoprecipitation method as stable and monodisperse nanoassemblies in aqueous suspension. The selected drug-based nanostructures were fully characterized by dynamic light scattering, FTIR spectroscopy, and transmission electron microscopy. Different drugs ratios, drug contents, colloidal stability, and hemolysis experiments were investigated. The selected nanoassemblies were also evaluated for their cytotoxicity, cellular uptake, and cell penetration against human breast cancer cell lines, MCF-7 and MDA-MB-231. The current study provides, for the first time, a novel drug–based self nanoassemblies composed of EDL and FUL that enable a high encapsulation efficiency of 80 and 84% for two hydrophobic agents, FUL and EDL, respectively, with almost no or minimum amounts of auxiliary stabilizing lipids that may affect, counter interact, or retard their final approval. Both selected formulas, F2 NPs (FUL and EDL) and F2F NPs (FUL, EDL, cholesterol, and DSPE-PEG), provide ˂ 0.3 polydispersity index (PDI) with an average size of and 224.3 ± 1.8 nm and 247.3 ± 3.3 zeta potential of −17.3 ± 1.06 and −23.1 ± 3.51 mV, respectively. The PEGylated F2F NPs showed reasonable stability at 4 °C and in both physiological and acidic conditions at 37 °C in PBS buffer at pH 7.4 and pH 5.5. F2F NPs exhibited an evident cellular uptake and cell penetration with ameliorated antitumor activity and induced apoptosis, mainly against ER + Breast cancer cell line. Finally, the PEGylated F2F NPs can be a promising nanoplatform for delivering FUL and EDL combination that may improve therapeutic outcomes against breast cancer compared to free drugs.

Hormone therapy in prostate cancer: Understanding patients' and caregivers' supportive care needs

AbstractResearch Question Q1: What are the supportive care needs of individuals with prostate cancer in hormone therapy? Q2: What are the supportive care needs of individuals who care for prostate cancer patients? Research ProblemOur study aims to identify the supportive care needs of not only prostate cancer patients receiving hormone therapy, but also their caregivers.Literature ReviewThe literature review of this study was made by scanning the related field studies from the Google database, BNI, and so forth.MethodologyThis is a cross‐sectional definitive study conducted between February and June 2022 in the Shock Wave Lithography Unit (ESWL—where patients are given hormone therapy treatment needles) at Dokuz Eylul University Hospital in Turkey. The study involved 66 prostate cancer patients and 64 caregivers. The sample size was found by power analysis. The data obtained in the study were analysed on the SPSS 25 software package.Results79.9% of the caregivers were female and 43.8% were patients' spouses. 36% of the patients had 80%–90% performance rates on the Karnofsky scale. Due to drug side effects, ±45.1 of patients required support for sexual issues before and after diagnosis, and ±46.27 needed supportive care for water retention. Due to the difficulties experienced in the care process the caregivers; ±40.88 needed family support, and ±21.25 needed social services support (p &lt; 0.05).ConclusionsIt was found that prostate cancer patients receiving hormone therapy and their caregivers had a range of supportive care needs due to the difficulties they faced.