Publications by authors named "Jeffrey S Wefel"

Background/objectives: Up to 75% of cancer survivors experience cognitive impairment from cancer or its treatment. No modifiable risk factor has been identified; however, a Mediterranean Diet may be protective. We sought to determine if the relationship between cognitive performance and cancer survivorship depends on Mediterranean Diet adherence.

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Purpose: Hippocampal avoidance (HA) during therapeutic whole-brain radiotherapy reduces the risk of neurocognitive function (NCF) toxicity in patients with brain metastasis. This trial hypothesized that HA during prophylactic cranial irradiation (PCI) in patients with small cell lung cancer (SCLC) leads to noninferior intracranial relapse (ICR) and reduction in NCF toxicity.

Methods: This randomized phase II/III trial enrolled patients with SCLC, no brain metastases, and response to chemotherapy.

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Purpose: New therapies for glioblastoma are needed, especially -unmethylated (u) disease. NRG Oncology BN002 (phase I) demonstrated safety and suggested efficacy of ipilimumab (ipi) with nivolumab (nivo) in newly diagnosed glioblastoma, leading to this phase II/III trial.

Methods: Adults with newly diagnosed u glioblastoma and Karnofsky performance status (KPS) ≥70 were randomly assigned to radiotherapy with either immunotherapy (ipi and nivo) or temozolomide (TMZ), stratified by recursive partitioning analysis (RPA) class and intention to use tumor treating fields.

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Purpose: NRG-CC003 randomized 393 patients with small cell lung cancer to prophylactic cranial irradiation (PCI) with or without hippocampal avoidance (HA). "Hopefulness" is a cognitive construct with 3 components: goals, pathways, and agency. Hope is measurable with validated instruments.

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Importance: Preoperative stereotactic radiation therapy (SRT) vs postoperative SRT logistics and toxic effects provides clinically significant data on management outcomes.

Objective: To determine preoperative SRT logistics and safety profile compared with postoperative in patients with brain metastases.

Design, Setting, And Participants: This single-institution phase 3 randomized clinical trial included patients 18 years and older and undergoing a planned surgical resection.

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Background: Patients with brain tumors and their families often inquire about driving safety. Currently, there is no consensus regarding fitness-to-drive (FTD) for patients with central nervous system tumors. Our paper aims to provide a multi-disciplinary perspective to address this issue.

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Background: Cancer-related cognitive impairment (CRCI) is a significant concern in patients with cancer but understanding its prevalence and risk factors in patients with malignant melanoma (MMPs) remains limited. This study explores CRCI via a multifaceted approach integrating neurobiological, genetic, and psychological assessments.

Methods: Cognitive functioning across multiple domains was assessed via neuropsychological tests in 47 MMPs before adjuvant immune checkpoint inhibitor therapy, compared with 53 matched healthy controls (HCs).

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Background: Androgen receptor inhibitors (ARIs) are approved for the treatment of advanced prostate cancer; however, some patients may experience symptoms and side effects that hinder their physical functioning. The Timed Up and Go (TUG) and Short Physical Performance Battery (SPPB) tests are used to assess physical functioning in older adults and are recommended assessments for patients with prostate cancer, despite lacking validation in this setting.

Methods: DaroAct (NCT04157088) was an open-label, multicenter, phase 2b study designed to evaluate the effects of the ARI darolutamide (lead-in phase) and darolutamide vs enzalutamide (randomized phase) on physical functioning in men with castration-resistant prostate cancer (CRPC).

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Cognitive dysfunction is common in cancers and their treatments. Factors that can contribute to cognitive dysfunction include direct and indirect effects of cancer, surgery, radiation, systemic therapy, as well as comorbidities, fatigue, and mood disturbance. Using objective, validated measures, a neuropsychological evaluation can provide information regarding patterns of cognitive function.

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Cancer-related cognitive impairment is a broad term encompassing subtle cognitive problems to more severe impairment. The severity of this impairment is influenced by host, disease, and treatment factors, and the impairment affects patients before, during, and following cancer treatment. The National Cancer Institute (NCI) Symptom Management and Health-Related Quality of Life Steering Committee (SxQoL SC) convened a clinical trial planning meeting to review the state of the science on cancer-related cognitive impairment and develop phase II/III intervention trials aimed at improving cognitive function in cancer survivors with non-central nervous system disease and longitudinal studies to understand the trajectory of cognitive impairment and contributing factors.

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Purpose Of Review: This review provides a concise overview of the recent literature regarding preoperative and postoperative neurocognitive functioning (NCF) in patients with glioma. Brief discussion also covers contemporary intraoperative brain mapping work, with a focus on potential influence of mapping upon NCF outcomes following awake surgery.

Recent Findings: Most patients with glioma exhibit preoperative NCF impairment, with severity varying by germ line and tumoral genetics, tumor grade, and lesion location, among other characteristics.

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Background: Electrocorticography (ECoG) language mapping is often performed extraoperatively, frequently involves offline processing, and relationships with direct cortical stimulation (DCS) remain variable. We sought to determine the feasibility and preliminary utility of an intraoperative language mapping approach guided by real-time visualization of electrocorticograms.

Methods: A patient with astrocytoma underwent awake craniotomy with intraoperative language mapping, utilizing a dual iPad stimulus presentation system coupled to a real-time neural signal processing platform capable of both ECoG recording and delivery of DCS.

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Purpose: Whole-brain radiation therapy (WBRT) is a common treatment for brain metastases and is frequently associated with decline in neurocognitive functioning (NCF). The e4 allele of the apolipoprotein E (APOE) gene is associated with increased risk of Alzheimer disease and NCF decline associated with a variety of neurologic diseases and insults. APOE carrier status has not been evaluated as a risk factor for onset time or extent of NCF impairment in patients with brain metastases treated with WBRT.

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Cognitive impairment (CI) is an issue that needs to be at the forefront of unmet healthcare needs in patients with prostate cancer (PCa) as it can negatively impact quality of life during long-term care. CI in patients with prostate cancer is thought to be influenced by treatment, androgen deprivation therapy (ADT), and novel androgen receptor (AR) pathway inhibitors in particular; however, current understanding is limited on how treatment affects cognition. Additionally, the experience of patients with CI who are receiving PCa treatment is not well understood or represented in clinical literature, which is a barrier to optimal patient outcomes in managing prostate cancer treatment-related cognitive impairment (PCa-TRCI).

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 Few recent studies have examined neurocognitive functioning (NCF) in patients with sinonasal and nasopharyngeal cancers (NPCs) prior to and following multimodality therapy or the potential differences in NCF by disease variables such as disease site.  The objective of this study is to determine rates of NCF impairments prior to and following multimodality therapy, declines in NCF following radiotherapy (RT), and possible differences in NCF by the disease site.  We conducted a retrospective chart review of 39 patients with sinonasal and NPCs who underwent comprehensive neuropsychological evaluations.

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Background: Procaspase-3 (PC-3) is overexpressed in various tumor types, including gliomas. Targeted PC-3 activation combined with chemotherapy is a novel strategy for treating patients with high-grade gliomas, with promising preclinical activity. This study aimed to define safety and tolerability of procaspase-activating compound-1 (PAC-1) in combination with temozolomide (TMZ) for patients with recurrent high-grade astrocytomas.

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Objective: Patients with low-grade glioma (LGG) in eloquent regions often present with seizures, and findings on detailed neuropsychological testing are often abnormal. This study evaluated the association between cortical excitability, seizures, and cognitive function in patients with LGG.

Methods: LGG patients who underwent transcranial magnetic stimulation (TMS) from January 2021 to December 2022 were studied.

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Article Synopsis
  • Up to 20% of patients with non-small cell lung cancer (NSCLC) experience brain metastasis, and this study investigates the safety of combining stereotactic radiosurgery (SRS) with immune checkpoint inhibitors (nivolumab and ipilimumab) for these patients.
  • A total of 13 patients were enrolled, with 10 evaluable for dose-limiting toxicities (DLTs), and only one patient experienced a DLT, indicating the treatment is generally well-tolerated.
  • The estimated 4-month intracranial progression-free survival rate was 70.7%, suggesting that this combination therapy could be effective for treating brain metastasis in NSCLC patients.
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Article Synopsis
  • * The trial involved 518 adults, with HA-WBRT + memantine resulting in less cognitive decline and lower reported symptom burdens at 6 and 12 months compared to standard treatment.
  • * Although HA-WBRT + memantine improved cognitive outcomes and symptom reporting, both treatment groups had similar overall survival rates and side effects.
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Article Synopsis
  • Medulloblastoma in adults is rare, and the study analyzed 200 adult patients with a focus on those who experienced recurrence over an 8.4-year follow-up period; 41% of these patients had recurrence.
  • Most recurrences occurred outside the posterior fossa, and treatment strategies included re-resection, chemotherapy, radiation, and stem cell transplants, with radiation linked to improved overall survival.
  • Overall prognosis for recurrent medulloblastoma is poor, regardless of initial risk stratification, indicating the need for tailored approaches in adult cases based on differences from pediatric literature.
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Patients with cancer may suffer from a decline in their cognitive function after various cancer therapies, including surgery, radiation, and chemotherapy, and in some cases, this decline in cognitive function persists even years after completion of treatment. Chemobrain or chemotherapy-induced cognitive impairment, a well-established clinical syndrome, has become an increasing concern as the number of successfully treated cancer patients has increased significantly. Chemotherapy-induced cognitive impairment can originate from direct neurotoxicity, neuroinflammation, and oxidative stress, resulting in alterations in grey matter volume, white matter integrity, and brain connectivity.

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Context: Second-generation androgen receptor inhibitors (ARIs) extend metastasis-free survival, prolong overall survival, and delay symptoms when added to androgen deprivation therapy for the treatment of castration-sensitive or castration-resistant prostate cancer (CRPC). However, ARIs may adversely impact physical and cognitive function, thereby decreasing quality of life and prognosis.

Objective: To evaluate the evidence regarding the potential effects of ARIs on physical and cognitive function and to contextualize how drug-related adverse effects may influence treatment decisions in CRPC.

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