Publications by authors named "Reichert Z"

Lighting interventions can mitigate fatigue by promoting circadian rhythmicity. We test whether individualized, wearable-based lighting interventions delivered via a mobile app reduce cancer-related fatigue in a randomized controlled trial with 138 breast cancer, prostate cancer, and hematopoietic stem cell transplant patients. Participants are randomized to tailored lighting intervention or control.

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  • There is growing recognition that prostate cancer patients often have germline variants that can have significant implications for their health and that of their families, necessitating a deeper understanding of which individuals may carry these variants.
  • A study involving 505 prostate cancer patients was conducted, tracking various factors and evaluating the presence of pathogenic or likely pathogenic (P/LP) germline variants through genetic testing aligned with NCCN guidelines.
  • The study found that the occurrence of P/LP variants was similar across different age groups and clinical characteristics, with only the age at testing in metastatic patients showing a predictive association for these variants, indicating challenges in refining existing clinical guidelines.
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  • BMS-986365 is a novel oral treatment for metastatic castration-resistant prostate cancer (mCRPC), targeting the androgen receptor (AR) through a unique dual mechanism that both degrades and antagonizes it.
  • In a Phase 1 clinical trial involving 95 patients, the drug was found to be well tolerated, with common but manageable side effects, and showed signs of effectiveness, particularly in patients who had not previously undergone chemotherapy.
  • The primary goals of the study included assessing safety and determining the highest dose that could be tolerated, while key outcomes such as a significant drop in prostate-specific antigen levels and improved progression-free survival were also evaluated.
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Background: Muscle-invasive urothelial carcinoma is an aggressive disease with high rates of relapse. Whether pembrolizumab as adjuvant therapy would be effective in patients with high-risk muscle-invasive urothelial carcinoma after radical surgery is unknown.

Methods: In this phase 3 trial, we randomly assigned patients, in a 1:1 ratio, to receive pembrolizumab at a dose of 200 mg every 3 weeks for 1 year or to undergo observation.

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Background: Controlled trials have consistently demonstrated the efficacy of poly(ADP-ribose) polymerase inhibitors (PARPis) in patients with metastatic castration-resistant prostate cancer (mCRPC) and BRCA1 or BRCA2 alterations (BRCAalt). However, the reported efficacy of PARPi for alterations in other homologous recombination repair (HRR) genes is less consistent. We sought to evaluate the routine practice effectiveness of PARPi between and within these groups.

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  • Analyzed molecular profiles in bladder cancer (BC) to find invasive markers that can tailor personalized treatments for patients with advanced or metastatic disease.
  • Developed a less invasive liquid biopsy method using a graphene oxide microfluidic chip to isolate circulating tumor cells (CTCs) from blood samples of BC patients.
  • Found that higher CTC counts correlate with worse survival outcomes and identified gene expression changes related to metastasis and chemotherapy resistance, showcasing the potential of CTCs in assessing prognosis for metastatic BC.
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Introduction: Metastatic castration-resistant prostate cancer (mCRPC) is a heterogeneous disease with prognoses varying from months to years at time of castration-resistant diagnosis. Optimal first-line therapy for those with different prognoses is unknown.

Methods: We conducted a retrospective cohort study of men in a national healthcare delivery system receiving first-line therapy for mCRPC (abiraterone, enzalutamide, docetaxel, or ketoconazole) from 2010 to 2017, with follow-up through 2019.

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Purpose: Deleterious germline/somatic homologous recombination repair mutations (HRRm) are present in ∼25% of patients with metastatic castration-resistant prostate cancer (mCRPC). Preclinically, poly(ADP-ribose) polymerase (PARP) inhibition demonstrated synergism with androgen receptor pathway (ARP)-targeted therapy. This trial evaluated the efficacy of ARP inhibitor versus PARP inhibitor versus their combination as first-line therapy in patients with mCRPC with HRRms.

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Background And Objectives: The Emergency Medical Treatment and Labor Act (EMTALA) is intended to prevent inadequate, delayed, or denied treatment of emergent conditions by emergency departments (EDs). EMTALA requirements pertain to patients of all ages presenting to dedicated EDs regardless of whether facilities have dedicated pediatric specialty services. This study aims to describe EMTALA-related civil monetary penalty (CMP) settlements involving minors.

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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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  • Extragonadal germ cell tumors (EGCTs) are uncommon, making up less than 5% of all germ cell tumors, and are often more aggressive than those in the gonads.
  • The study analyzed 77 EGCT cases, finding that the anterior mediastinum was the most common site, and identified chromosomal abnormalities, notably isochromosome 12p in 26% of tumors and gain of chromosome 21 in 37%.
  • Patients with mediastinal seminomas had better survival rates compared to those with non-seminomatous tumors, and the presence of somatic-type malignancies indicated a poorer prognosis in those with EGCTs.
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While there is a great clinical need to understand the biology of metastatic cancer in order to treat it more effectively, research is hampered by limited sample availability. Research autopsy programmes can crucially advance the field through synchronous, extensive, and high-volume sample collection. However, it remains an underused strategy in translational research.

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Study Objective: To describe characteristics and outcomes of coronavirus disease (COVID-19) patients with new supplemental oxygen requirements discharged from a large public urban emergency department (ED) with supplemental oxygen.

Methods: This observational case series describes the characteristics and outcomes of 360 consecutive COVID-19 patients with new supplemental oxygen requirements discharged from a large urban public ED between April 2020 and March 2021 with supplemental oxygen. Primary outcomes included 30-day survival and 30-day survival without unscheduled inpatient admission.

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Purpose: Immune checkpoint inhibitor therapy and nab-paclitaxel have each shown efficacy in platinum-refractory advanced urothelial cancer. We conducted a single-arm phase 2 trial of the combination of nab-paclitaxel and pembrolizumab in platinum-refractory or cisplatin-ineligible advanced urothelial cancer (NCT03240016).

Materials And Methods: Eligible patients had RECIST 1.

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Introduction: The diagnosis of metastatic prostatic cancer (MPC) by fine needle aspiration (FNA) can usually be rendered by typical cytomorphologic and immunohistochemical (IHC) features. However, MPC diagnosis may be complicated by transformation to atypical phenotypes such as small cell carcinoma, typically under pressure from androgen deprivation therapy (ADT). Predictive and prognostic biomarkers can also be assessed by IHC.

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Background: Genomic analysis of circulating tumor DNA (ctDNA) is increasingly incorporated into the clinical management of patients with advanced cancer. Beyond tumor profiling, ctDNA analysis also can enable calculation of circulating tumor fraction (TF), which has previously been found to be prognostic. While most prognostic models in metastatic cancer are tumor type specific and require significant patient-level data, quantification of TF in ctDNA has the potential to serve as a pragmatic, tumor-agnostic prognostic tool.

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Purpose: Indications for germline testing in prostate cancer patients have expanded substantially over the past decade. With a near-universal shortage of genetic counselors and increasing demand, increased access to genetic counseling is crucial. We sought to prospectively implement and assess a clinician-led approach to genetic counseling and testing.

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  • The study investigated the safety of using neoadjuvant stereotactic body radiotherapy (SBRT) before radical prostatectomy (RP) in men with high-risk or node-positive prostate cancer, aiming to minimize recurrence rates.
  • In a phase 1 trial involving 16 patients, 25% experienced dose-limiting toxicities within 30 days after RP, leading to the trial's early termination due to severe side effects.
  • After undergoing treatment, many patients reported significant quality of life declines, with high rates of genitourinary and gastrointestinal toxicities, indicating that the combination of SBRT and RP may not be safe for this patient population.
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Background: TMPRSS2-ERG gene rearrangement, the most common E26 transformation specific (ETS) gene fusion within prostate cancer, is known to contribute to the pathogenesis of this disease and carries diagnostic annotations for prostate cancer patients clinically. The ERG rearrangement status in prostatic adenocarcinoma currently cannot be reliably identified from histologic features on H&E-stained slides alone and hence requires ancillary studies such as immunohistochemistry (IHC), fluorescent in situ hybridization (FISH) or next generation sequencing (NGS) for identification.

Methods: OBJECTIVE: We accordingly sought to develop a deep learning-based algorithm to identify ERG rearrangement status in prostatic adenocarcinoma based on digitized slides of H&E morphology alone.

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The substantial biological heterogeneity of metastatic prostate cancer has hindered the development of personalized therapeutic approaches. Therefore, it is difficult to predict the course of metastatic hormone-sensitive prostate cancer (mHSPC), with some men remaining on first-line androgen deprivation therapy (ADT) for several years while others progress more rapidly. Improving our ability to risk-stratify patients would allow for the optimization of systemic therapies and support the development of stratified prospective clinical trials focused on patients likely to have the greatest potential benefit.

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We prospectively investigated the performance of the prostate-specific membrane antigen (PSMA) ligand Ga-PSMA-11 for detecting prostate adenocarcinoma in patients with elevated levels of prostate-specific antigen (PSA) after initial therapy. Ga-PSMA-11 hybrid PET was performed on 2,005 patients at the time of biochemically recurrent prostate cancer after radical prostatectomy (RP) (50.8%), definitive radiation therapy (RT) (19.

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Background: Tumors with mutations associated with homologous recombination deficiency (HRD) are uncommon in prostate cancer (PCa) and variably responsive to PARP inhibition. To better identify tumors with HRD, we developed a transcriptomic signature for HRD in PCa (HRD-P).

Methods: By using an established mutational signature, we created and validated HRD-P in six independent PCa cohorts (primary PCa, n = 8224; metastatic castration-resistant PCa [mCRPC], n = 328).

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This comparative effectiveness research compares survival end points and response rates among patients with metastatic castration-resistant prostate cancer (mCRPC) treated with olaparib and cabazitaxel using results from 2 phase 3 randomized clinical trials.

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Background: The international Intermediate Clinical Endpoints in Cancer of the Prostate working group has established metastasis-free survival as a surrogate for overall survival in localised prostate cancer based on the findings of 19 predominantly radiotherapy-based trials. We sought to comprehensively assess aggregate trial-level performance of commonly reported intermediate clinical endpoints across all randomised trials in localised prostate cancer.

Methods: For this meta-analysis, we searched PubMed for all trials in localised or biochemically recurrent prostate cancer published between Jan 1, 1970, and Jan 15, 2020.

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