Publications by authors named "Jennifer Ligibel"

Background: Oncology nurses frequently contend with intense work-related emotions stemming from their roles, which include bearing witness to suffering, managing end-of-life care, and navigating ethical dilemmas. These emotional challenges can lead to burnout, compassion fatigue, and overall psychological distress.

Objective: To determine the feasibility, acceptability, and preliminary effect of implementing Storytelling Through Music (STM) online with oncology nurses.

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Background: Approximately 70% of patients receiving neurotoxic chemotherapy (e.g., paclitaxel or vincristine) will develop chemotherapy-induced peripheral neuropathy.

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Background: Exercise is associated with improved survival, physical functioning, treatment tolerability, and quality of life in early-stage breast cancer. These same endpoints matter in metastatic breast cancer (MBC). Prior trials in MBC have found exercise to be not feasible or of limited benefit, possibly due to inclusion of patients with heterogeneous disease trajectories.

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Purpose: Use qualitative and quantitative methods to explore factors influencing the adoption of guideline-based physical activity (PA) and dietary recommendations among participants enrolled in a lifestyle intervention during and after chemotherapy for breast cancer.

Methods: Among women with stage I-III breast cancer who participated in the intervention arm of the Lifestyle, Exercise, and Nutrition early after diagnosis (LEANer) trial, we used stratified, purposeful sampling to interview women who met both, one, or neither intervention goal after the 1-year intervention: (1) 150 min/week moderate-to-vigorous intensity exercise via a self-reported PA questionnaire and (2) improved self-reported diet quality measured by the Healthy Eating Index-2015. Semi-structured interviews were audio-recorded, transcribed verbatim, and analyzed using thematic content analysis.

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Article Synopsis
  • Chemotherapy often leads to side effects that can negatively affect treatment outcomes, while exercise during treatment has shown benefits for physical functioning and mental health, but its impact on clinical outcomes like chemotherapy dose intensity is uncertain.
  • The ENICTO Consortium, funded by the National Cancer Institute, aims to fill this knowledge gap by exploring how exercise and nutrition may improve chemotherapy-related outcomes and detailing distinct research projects within their framework.
  • The findings from ENICTO could change oncology care practices, making exercise and nutrition support a standard part of cancer treatment alongside chemotherapy to enhance overall effectiveness and patient outcomes.
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Background: Hot flashes are a common side effect of endocrine therapy (ET) that contribute to poor quality of life and decreased treatment adherence.

Methods: Patients with breast cancer wo were receiving ET and experiencing hot flashes were enrolled through three parallel, randomized trials conducted in the United States, China, and South Korea. Participants were randomized to either immediate acupuncture (IA) or delayed acupuncture control (DAC).

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Background: Physical activity and metformin pharmacotherapy are associated with improved clinical outcomes in breast and colorectal cancer survivors. Myokines are cytokines secreted from skeletal muscle that may mediate these associations.

Methods: This hypothesis-generating analysis used biospecimens collected from a multi-centre 2 × 2 factorial randomized design of 116 patients with stage I-III breast and colorectal cancer who were randomized to 12 weeks of (1) aerobic exercise (moderate intensity titrated to 220 min/week); (2) metformin (850 mg daily for 2 weeks and then titrated to 850 mg twice per day); (3) aerobic exercise and metformin; or (4) control.

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Importance: Recovery of shoulder function following breast cancer surgery is crucial for physical functioning and quality of life. While early implementation of shoulder rehabilitation exercises may enhance recovery, the optimal timing and exercise program remain unclear.

Objective: To investigate whether an early exercise intervention, initiated 1 day postsurgery and continued for 1 month through subsequent visits, could improve shoulder range of motion (ROM) and strength in patients with breast cancer.

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Purpose: To update the ASCO guideline on the management of cancer-related fatigue (CRF) in adult survivors of cancer.

Methods: A multidisciplinary panel of medical oncology, geriatric oncology, internal medicine, psychology, psychiatry, exercise oncology, integrative medicine, behavioral oncology, nursing, and advocacy experts was convened. Guideline development involved a systematic literature review of randomized controlled trials (RCTs) published in 2013-2023.

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Purpose: To examine the prevalence and cancer-specific patterns of functional disabilities among US cancer survivors.

Methods: Data from 47,768 cancer survivors and 2,432,754 noncancer adults age 18 years and older from the 2017 to 2022 Behavioral Risk Factor Surveillance System were analyzed. Functional disabilities assessed included mobility disability (ie, serious difficulty walking or climbing stairs) and self-care disability (ie, self-reported difficulty dressing or bathing).

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Background: Little is known about improving physical activity (PA) and diet during and after chemotherapy for breast cancer. This secondary analysis examines changes in PA and diet quality during a yearlong intervention for patients with breast cancer undergoing chemotherapy and evaluates factors associated with these changes.

Methods: Newly diagnosed patients with breast cancer (N = 173) undergoing chemotherapy were randomized to a year-long nutrition and exercise intervention (n = 87) or usual care (UC, n = 86).

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Background: Obesity is an established, modifiable risk factor of multiple myeloma (MM); yet, no lifestyle interventions are routinely recommended for patients with overweight or obesity with MM precursor conditions. Prolonged nightly fasting is a simple, practical dietary regimen supported by research, suggesting that the synchronization of feeding-fasting timing with sleep-wake cycles favorably affects metabolic pathways implicated in MM. We describe the design and rationale of a randomized controlled pilot trial evaluating the efficacy of a regular, prolonged nighttime fasting schedule among individuals with overweight or obesity at high risk for developing MM or a related lymphoid malignancy.

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Background: Adults with cancer experience symptoms that change across the disease trajectory. Due to the distress and cost associated with uncontrolled symptoms, improving symptom management is an important component of quality cancer care. Clinical decision support (CDS) is a promising strategy to integrate clinical practice guideline (CPG)-based symptom management recommendations at the point of care.

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Article Synopsis
  • NT-proBNP, a cardiac biomarker linked to heart failure and mortality, was found to be higher in cancer survivors compared to non-cancer adults, indicating potential health risks.
  • The study included a representative sample from the National Health and Nutrition Examination Survey and indicated that higher NT-proBNP levels were associated with increased risks of overall and cardiac-related death among cancer survivors, especially in those with prostate and colorectal cancers.
  • Nonlinear relationships showed that higher risks of mortality were observable when NT-proBNP levels exceeded 125 pg/mL, emphasizing the need for monitoring this biomarker in cancer survivors.
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Background: Diagnosis of breast cancer in young women has been shown to affect their decision-making with regard to fertility and family planning. Limited data are available from populations across the U.S.

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Importance: Physician turnover interrupts care delivery and creates health care system financial burden.

Objective: To describe the prevalence of burnout, professional fulfillment, and intention to leave (ITL) among physicians at academic-affiliated health care systems and identify institutional and individual factors associated with ITL.

Design, Setting, And Participants: This cross-sectional study administered a survey to 37 511 attending-level medical specialists at 15 academic medical institutions participating in the Healthcare Professional Well-Being Academic Consortium.

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Article Synopsis
  • * Through advanced imaging techniques, researchers assessed the relationship between the vascular structure of the tumors and the treatment response, revealing that tumors responding to the drug had a more balanced blood vessel composition compared to resistant ones.
  • * The findings suggest that understanding the vascular architecture could enhance our knowledge of how immune therapies work in the brain, potentially guiding future treatment strategies.
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Objective: The purpose of this secondary analysis was to describe the prevalence of anxiety, depression, and perceived stress among women newly diagnosed with breast cancer and the impact of baseline and changes in anxiety on cognitive functioning following exercise and mind-body prehabilitation interventions.

Methods: The sample consisted of 49 women with newly diagnosed breast cancer (stages I-III) who planned to undergo breast cancer surgery at two academic cancer centers. Participants were randomized to receive an exercise or mind-body prehabilitation intervention between the time of diagnosis and breast cancer surgery.

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One in five women with breast cancer will relapse despite ideal treatment. Body weight and physical activity are strongly associated with recurrence risk, thus lifestyle modification is an attractive strategy to improve prognosis. Trials of dietary modification in breast cancer are promising but the role of specific diets is unclear, as is whether high-quality diet without weight loss can impact prognosis.

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JCO Metformin has been associated with lower cancer risk in epidemiologic and preclinical research. In the MA.32 randomized adjuvant breast cancer trial, metformin ( placebo) did not affect invasive disease-free or overall survival.

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Article Synopsis
  • Tumor angiogenesis often leads to abnormal blood vessel development, which is linked to treatment resistance and immune suppression in cancers, specifically brain metastases.
  • A study using perfusion MRI on 44 patients treated with the immune checkpoint inhibitor pembrolizumab revealed that responsive tumors had balanced vascular structures, promoting better blood flow and a supportive immune environment.
  • In contrast, resistant tumors exhibited chaotic blood vessels and low immune cell presence, with early functional changes detectable through MRI that indicated resistance before conventional imaging could.
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Purpose: Successful completion of chemotherapy is critical to improve breast cancer outcomes. Relative dose intensity (RDI), defined as the ratio of chemotherapy delivered to prescribed, is a measure of chemotherapy completion and is associated with cancer mortality. The effect of exercise and eating a healthy diet on RDI is unknown.

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Importance: Chemotherapy-induced peripheral neuropathy (CIPN), one of the most common and severe adverse effects of chemotherapy, is associated with worse quality of life among survivors of ovarian cancer. Currently, there is no effective treatment for CIPN.

Objective: To evaluate the effect of a 6-month aerobic exercise intervention vs attention-control on CIPN among women treated for ovarian cancer in the Women's Activity and Lifestyle Study in Connecticut (WALC) to provide evidence to inform the guidelines and recommendations for prevention or treatment of CIPN.

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Background: In randomized trials in women with breast cancer, exercise has been shown to have beneficial effects on cancer-related circulating biomarkers that may impact survival. Such studies are lacking for ovarian cancer.

Methods: This secondary analysis of a published randomized controlled trial examined the impact of a 6-month exercise intervention versus attention-control on change in prespecified circulating biomarkers (cancer antigen 125 (CA-125), C-reactive protein (CRP), insulin-like growth factor-1(IGF-1), insulin and leptin) in a subset of participants who provided a fasting blood draw (N = 104/144) at enrollment and at 6 months.

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