Publications by authors named "Sachin Apte"

Little is known regarding associations between inflammatory biomarkers and objectively measured physical activity and sleep during and after chemotherapy for gynecologic cancer; thus, we conducted a longitudinal study to address this gap. Women with gynecologic cancer (patients) and non-cancer controls (controls) completed assessments before chemotherapy cycles 1, 3, and 6 (controls assessed contemporaneously), as well as at 6- and 12-month follow-ups. Physical activity and sleep were measured using wrist-worn actigraphs and sleep diaries, and blood was drawn to quantify circulating levels of inflammatory markers.

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Previous research suggests that inflammation triggers cancer-treatment-related symptoms (i.e., fatigue, depression, and disruptions in sleep and physical activity), but evidence is mixed.

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Objective: Patients with gynecologic malignancies commonly experience distressing symptoms during chemotherapy. This study sought to evaluate whether symptoms accumulated over the course of several chemotherapy cycles, which could provide essential information for planning supportive interventions.

Method: Patients with gynecologic malignancies completed questionnaires about fatigue, depressive symptoms, sleep, and physical activity 1 week before and after chemotherapy cycles 1, 3, and 6.

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Loss of stromal caveolin-1 (Cav-1) is a biomarker of a cancer-associated fibroblast (CAF) phenotype and is related to progression, metastasis, and poor outcomes in several cancers. The objective of this study was to evaluate the clinical significance of Cav-1 expression in invasive epithelial ovarian cancer (OvCa). Epithelial and stromal Cav-1 expression were quantified in serous OvCa and benign ovarian tissue in two, independent cohorts-one quantified expression using immunohistochemistry (IHC) and the other using multiplex immunofluorescence (IF) with digital image analysis designed to target CAF-specific expression.

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Background: Gynecologic oncology surgery is associated with a wide variation in surgical site infection risk. The optimal method for infection prevention in this heterogeneous population remains uncertain.

Study Design: A retrospective cohort study was performed to compare surgical site infection rates for patients undergoing hysterectomy over a 1-year period surrounding the implementation of an institutional infection prevention bundle.

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Introduction: To evaluate clinical outcomes, pattern of failure, and toxicity after high-dose intensity-modulated radiation therapy (IMRT) for advanced vulvar cancer.

Methods: In this IRB approved retrospective study, the charts of women with histologically confirmed, non-metastatic vulvar cancer consecutively treated at our institution from 2012 to 2018 were reviewed to identify patients that received high-dose IMRT with curative intent. The treatment compliance, toxicities, and patterns of failure were investigated.

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Objective: To assess whether there were any significant changes in surgical training volume over the past 20 years that might have ramifications toward preparedness for practice.

Methods: We used deidentified annual summaries of fellow case numbers for the academic years 1999 through 2018. Unpaired t-tests with Welch's correction were performed on all surgical categories for 10-year and 5-year periods.

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Objective: Increasing age has been associated with higher risk of chemotherapy-related toxicities, often resulting in treatment disruptions or discontinuations. Age has also been evaluated as a potential risk factor for chemotherapy-induced peripheral neuropathy (CIPN), but current understanding of recovery from CIPN in older adults after treatment is limited. The goal of the current study was to: 1) evaluate longitudinal change in patient-reported CIPN symptoms from the start of chemotherapy to one year post-chemotherapy; and 2) examine treatment modifications in older (≥65 years) and younger patients (<65 years).

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Background: Patients with ovarian cancer tend to receive the highest quality of care at high-volume cancer centers with gynecological oncologists. However, the care that they receive prior to gynecological oncology consult has not been examined. We investigated the quantity and quality of care given to patients with ovarian cancer before being seen by a gynecological oncologist.

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Background: Ridaforolimus is a mammalian target of rapamycin inhibitor that has activity in solid tumors. Paclitaxel and carboplatin have broad antineoplastic activity in many cancers. This phase I trial was conducted to determine the safety profile, maximal tolerated dose, and recommended phase II dose and schedule of oral ridaforolimus combined with paclitaxel and carboplatin in patients with solid tumor cancers.

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With the signing of the Medicare Access and CHIP Reauthorization Act in April 2015, the Centers for Medicare and Medicaid Services (CMS) is now positioned to drive the development and implementation of sweeping changes to how physicians and hospitals are paid for the provision of oncology-related services. These changes will have a long-lasting impact on the sub-specialty of gynecologic oncology, regardless of practice structure, physician employment and compensation model, or local insurance market. Recently, commercial payers have piloted various models of payment reform via oncology-specific clinical pathways, oncology medical homes, episode payment arrangements, and accountable care organizations.

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Experimental and epidemiological data support the potential activity of acetaminophen against ovarian cancer (OVCA). In this study, we sought to confirm the activity of acetaminophen in OVCA cell lines and to investigate the molecular basis of response. A total of 16 OVCA cell lines underwent pretreatment (baseline) genome-wide expression measurements and were then treated with and analyzed for acetaminophen sensitivity.

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Patients with occult lymph node metastasis in endometrioid-type endometrial cancer (EC) are prone to the development of recurrences and have worse outcomes compared with patients without lymph node metastasis. In the current study, the aim was to identify molecular parameters associated with lymph node metastasis in EC clinically early-stage disease. A univariate analysis of differentially expressed genes, proteins and clinicopathological parameters (including myometrial invasion and tumor grade) was performed, comparing EC patients with and without lymph node metastasis (n=262 patients from The Cancer Genome Atlas).

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Objectives: The aim of this study was to review treatment and outcomes for neuroendocrine tumors (NETs) of the cervix at a National Cancer Institute-designated Comprehensive Cancer Center.

Materials And Methods: Data for women with NET of the cervix treated at our institution, since 1999, were collected. Progression-free survival (PFS) and overall survival (OS) were assessed with respect to age, tumor size, tobacco use, lymph node status, stage of disease, and type of treatment.

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Personal psychosocial resources (e.g., positive affect, social support, perceived mastery, meaning in life) are associated with better sleep in noncancer populations, but there have been few studies in cancer patients.

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Objectives: Ovarian cancer (OVCA) is the leading cause of mortality among women with gynecologic malignancy, in part due to the development of chemoresistance. We sought to identify micro-RNAs (miRNAs) associated with in vitro development of OVCA chemoresistance that may also represent potential targets for therapy.

Methods: In this study, four OVCA cell lines (A2780CP, A2780S, IGROV1, and OVCAR5) were serially treated with cisplatin in parallel with measurements of miRNA expression changes.

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Introduction: Pancreatic VIPomas are exceedingly rare, with an annual incidence of less than 1 per million. Most VIPomas are metastatic at diagnosis, with the liver being the most common site of spread.

Presentation Of Case: We describe a highly unusual case of a metastatic pancreatic VIPoma to an ovary in a 54 year-old patient.

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The NCCN Guidelines for Uterine Neoplasms provide interdisciplinary recommendations for treating endometrial carcinoma and uterine sarcomas. These NCCN Guidelines Insights summarize the NCCN Uterine Neoplasms Panel's 2016 discussions and major guideline updates for treating uterine sarcomas. During this most recent update, the panel updated the mesenchymal tumor classification to correspond with recent updates to the WHO tumor classification system.

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Background: Robotic-assisted surgery is a technological advancement, and its use is rapidly expanding into the field of gynecological oncology. However, a paucity of evidence exists to prove its superiority over standard laparoscopy. Its cost is also high and it lacks haptic feedback.

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The NCCN Guidelines for Cervical Cancer provide interdisciplinary recommendations for treating cervical cancer. These NCCN Guidelines Insights summarize the NCCN Cervical Cancer Panel's discussion and major guideline updates from 2014 and 2015. The recommended systemic therapy options for recurrent and metastatic cervical cancer were amended upon panel review of new survival data and the FDA's approval of bevacizumab for treating late-stage cervical cancer.

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Article Synopsis
  • Scientists are studying how certain genes can change normal cells into cancer cells, which can grow out of control and resist treatment.
  • They focused on a specific pathway called the BAD-mediated apoptotic pathway to see how it relates to different types of cancer like ovarian, breast, and colon cancer.
  • Their research found higher levels of a protein called pBAD in cancer cells compared to normal cells, suggesting that this pathway helps cancer cells grow and survive better.
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Adenocarcinoma of the endometrium (also known as endometrial cancer or more broadly as uterine cancer or carcinoma of the uterine corpus) is the most common malignancy of the female genital tract in the United States. An estimated 49,560 new uterine cancer cases will occur in 2013, with 8190 deaths resulting from the disease. Uterine sarcomas (stromal/mesenchymal tumors) are uncommon malignancies, accounting for approximately 3% of all uterine cancers.

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Paclitaxel is a mainstay of treatment for many solid tumors, and frequently, clinical outcome is influenced by paclitaxel sensitivity. Despite this, our understanding of the molecular basis of paclitaxel response is incomplete. Recently, it has been shown that microRNAs (miRNAs) influence messenger RNA (mRNA) transcriptional control and can contribute to human carcinogenesis.

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