Publications by authors named "Heath E"

Background: Belzutifan, a first-in-class HIF-2α inhibitor, has shown antitumour activity as monotherapy and in combination with cabozantinib in patients with previously treated advanced kidney cancer. The phase 2 LITESPARK-003 study was designed to determine the antitumour activity and safety of belzutifan in combination with cabozantinib in patients with advanced clear-cell renal cell carcinoma that was previously untreated (cohort 1) or previously treated with immunotherapy (cohort 2). Here, we report results from cohort 1 of this clinical trial.

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  • This study focused on the diverse types of FOXA1 genetic alterations found in prostate cancer and their implications for clinical management.
  • Researchers classified FOXA1 mutations into four distinct classes, each with specific characteristics and prognostic significance based on survival outcomes.
  • Results indicated that certain FOXA1 alterations, particularly class 1A, were linked to improved survival rates, while other classes, especially class 2 and amplified versions, were associated with poorer outcomes and higher risks in treatment response.
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Background: The body composition of National Collegiate Athletic Association (NCAA) athletes is well documented but no such data exist for university club sports athletes. Additionally, the majority of norms for NCAA athletes were created from individual methods requiring assumptions.

Objective: This study used a four-component (4C) model to measure the body composition of university club sports athletes.

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  • The importance of germline genetic testing (GGT) for prostate cancer patients has grown, as it helps tailor treatment plans and manage the disease more effectively.
  • GGT is now considered a standard practice not just for prostate cancer, but also for other cancers like breast and ovarian, emphasizing the need for all patients to have equitable access to this testing.
  • Offering comprehensive GGT allows for better decision-making between patients and doctors, aids in detecting potential future cancers, and facilitates testing for family members who may be at risk.
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Background: Orthopaedic surgeon engagement with patient-reported outcome measures (PROMs) data has not been comprehensively evaluated, despite increasing uptake of orthopaedic PROMs programmes globally. The aim of this review was to systematically identify, appraise and synthesise qualitative evidence on barriers and facilitators to orthopaedic surgeons' engagement with PROMs data and their use of these data to support clinical practice.

Methods: Six databases (MEDLINE, EMBASE, COCHRANE CENTRAL, PSYCINFO, CINAHL and EMCARE) were searched from January 2000-March 2024 to identify potentially eligible qualitative studies.

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Genetic alterations play a pivotal role in various human diseases, particularly cancer. The androgen receptor (AR) is a crucial transcription factor driving prostate cancer (PCa) progression across all stages. Current AR-targeting therapies utilize competitive AR antagonists or pathway suppressors.

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Increasing the response rates of immune checkpoint inhibitors in patients with metastatic castration-resistant prostate cancer (mCRPC) presents a significant challenge. ESK981 is a multi-tyrosine kinase and PIKfyve lipid kinase inhibitor that augments immunotherapeutic responses. In this phase II study, ESK981 was combined with the PD-1 blocking monoclonal antibody nivolumab to test for potentially improved response rates in patients with mCRPC who have progressed on androgen receptor (AR)-targeted agents and chemotherapy.

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Immunotherapy has changed the treatment paradigm for many types of cancer, but immune checkpoint inhibitors (ICIs) have not shown benefit in prostate cancer (PCa). Chronic inflammation contributes to the immunosuppressive prostate tumor microenvironment (TME) and is associated with poor response to ICIs. The primary source of inflammatory cytokine production is the inflammasome.

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  • The food industry is actively seeking new methods to prevent microbial contamination, as traditional chemical approaches are facing challenges like rising energy costs and environmental concerns.
  • Ozone emerges as a promising biocide, effectively disinfecting bacteria, viruses, and fungi, and has been tested for applications in food treatment, particularly on various produce like blueberries and carrots.
  • While ozone is potent, considerations regarding material safety and human exposure are crucial, leading to calls for manufacturers to adhere to strict safety and efficacy regulations.
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Unlabelled: Mounting evidence links systemic innate immunity with cancer immune surveillance. In advanced metastatic castration-resistant prostate cancer (mCRPC), Black patients have been found to have increased inflammatory markers and longer survival after sipuleucel-T (sip-T) therapy, an FDA-approved, autologous cell therapy. We hypothesized these differences may be explained by previously reported ancestral differences in pattern recognition receptor signaling, which broadly governs innate inflammation to control adaptive immune cell activation, chemotaxis, and functionality.

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ESK981 is a potent tyrosine kinase and PIKfyve lipid kinase inhibitor. This phase II trial evaluated the efficacy of ESK981 as a single agent in patients with androgen receptor-positive (AR +) metastatic castration-resistant prostate cancer (mCRPC). Eligible patients had mCRPC with progression on AR-targeted agents and without prior chemotherapy treatment.

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Health disparities present a barrier to successful oncology treatment. The potential for precision oncology to reduce health disparities has not previously been analyzed. We performed a retrospective analysis of 12,627 patients from six major cancer centers whose tumors underwent molecular testing at Caris Life Sciences between 2010 and 2020.

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  • High-dose intravenous vitamin C (HDIVC) was tested alongside docetaxel in a clinical trial for patients with advanced prostate cancer, showing no significant benefit compared to docetaxel alone.
  • The trial involved 47 participants and measured effectiveness through PSA response rates, overall survival, and quality of life, with similar outcomes in both the HDIVC and placebo groups.
  • The study was halted early due to no evidence that HDIVC improved cancer treatment results, suggesting it shouldn’t be routinely used for metastatic castration-resistant prostate cancer.
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  • Metastases, which are the spread of cancer cells to different organs, play a crucial role in the severity of renal cell carcinoma (RCC), with common sites being the lungs, bones, liver, and lymph nodes.
  • This study analyzed 657 tumor samples from both primary renal tumors and various metastatic sites to identify genomic and transcriptomic differences.
  • The findings reveal significant variations in tumor characteristics and the tumor microenvironment across different metastatic locations, highlighting the importance of these factors in creating targeted cancer treatments.
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This study investigated the in vitro bioaccessibility of aluminum, copper, iron, manganese, lead, selenium, and zinc in three important species of farmed insects: the yellow mealworm (Tenebrio molitor), the house cricket (Acheta domesticus) and the migratory locust (Locusta migratoria). Results show that all three insect species constitute excellent sources of essential elements (Fe, Cu and Zn) for the human diet, contributing to the recommended dietary allowance, i.e.

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Cytochrome (Cyt) is important for both mitochondrial respiration and apoptosis, both of which are altered in cancer cells that switch to Warburg metabolism and manage to evade apoptosis. We earlier reported that lysine 53 (K53) of Cyt is acetylated in prostate cancer. K53 is conserved in mammals that is known to be essential for binding to cytochrome oxidase and apoptosis protease activating factor-1 (Apaf-1).

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Wnt (wingless-type) signaling pathway (WSP) alterations have been identified in patients with prostate cancer and are implicated in disease progression and hormonal resistance. In this study, we utilized a multi-institutional dataset to characterize molecular alterations in the canonical and noncanonical WSPs in prostate cancer. Patients with prostate cancer who underwent tissue-based genomic sequencing were investigated.

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Unlabelled: Sipuleucel-T is an autologous cellular immunotherapy that targets prostatic acid phosphatase (PAP) and is available for treatment of men with asymptomatic or minimally symptomatic metastatic castration-resistant prostate cancer (mCRPC). In this single-arm, two-cohort, multicenter clinical study, potential racial differences in immune responses to sipuleucel-T in men with mCRPC were explored. Patients' blood samples were obtained to assess serum cytokines, humoral responses, and cellular immunity markers before and after treatment.

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  • The EVEREST trial investigated the effectiveness of adjuvant everolimus in patients with intermediate-high to very high risk of recurrence after kidney cancer surgery, showing a significant improvement in recurrence-free survival (RFS) but not in overall survival (OS).
  • Of the 699 patients analyzed with very high-risk clear cell histology, those taking everolimus experienced a notable increase in RFS (HR 0.80) compared to placebo, although a high percentage (47%) of patients on everolimus discontinued treatment due to side effects.
  • While everolimus improved RFS, the lack of statistically significant OS benefits suggests that further examination is needed to assess its long-term survival impact
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Purpose: Given the emergence of PSMA-targeted diagnostic agents and therapeutics, we sought to investigate patterns of expression in RCC and their impacts on RCC outcomes.

Methods: We conducted a pooled multi-institutional analysis of patients with RCC having undergone DNA and RNA next-generation sequencing. -high/low expression was defined as the ≥75th/<25th percentile of RNA transcripts per million (TPM).

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Purpose: CDK12 inactivation in metastatic castration-resistant prostate cancer (mCRPC) may predict immunotherapy responses. This phase 2 trial evaluated the efficacy of immune checkpoint inhibitor (ICI) therapy in patients with CDK12-altered mCRPC.

Patients And Methods: Eligible patients had mCRPC with deleterious CDK12 alterations and any prior therapies except ICI.

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  • B7-H3 (CD276) is a transmembrane glycoprotein associated with the immune checkpoint superfamily and is being researched as a potential therapeutic target in cancer treatment.
  • A study analyzed over 156,000 cancer samples to assess the correlation of B7-H3 mRNA expression with clinical outcomes, finding that high B7-H3 levels are linked to varying overall survival rates and are present in multiple cancer types, including prostate and lung cancers.
  • The research identified specific pathways related to high B7-H3 expression and the immunological environment of tumors, suggesting that the unique features of B7-H3 in different cancers may guide the development and application of targeted therapies.
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  • - This study explored the gene expression differences between clear cell renal cell carcinoma (ccRCC) and non-clear cell variants (nccRCC) in a diverse patient group to improve treatment strategies.
  • - ccRCC tumors showed a stronger connection to angiogenesis, while different nccRCC subtypes had elevated scores in areas like cell cycle and fatty acid metabolism.
  • - Both tumor types displayed T effector scores linked to higher immune cell activity, suggesting potential benefits for immunotherapy, highlighting the need for tailored treatment plans based on tumor type.
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Community-based health events provide an opportunity to increase knowledge, awareness, and screening for acute and chronic diseases among individuals living in a socioeconomically diverse community. Because there are limited reports of such events, here we describe our ten-year experience of annual men's health fairs. This retrospective study of the Michigan Institute of Urology Foundation evaluated Men's Health Events held in Detroit, Michigan, from 2012 to 2021.

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