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Comparative oncology

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https://www.readbyqxmd.com/read/28454303/expression-of-er%C3%AE-gene-in-breast-carcinoma-and-the-relevance-in-neoadjuvant-therapy
#1
Jing Chang, Jihong Liu, Huiying Li, Jing Li, Yanling Mu, Bin Feng
In the present study, we examined the expression of the estrogen receptor β (ERβ) gene in breast cancer and its relevance in neoadjuvant therapy. In total, 120 breast cancer patients who were hospitalized in the Departments of Breast Disease and Medical Oncology served as the subjects of this study. The subjects were diagnosed with breast cancer phase II to phase IIIA, as confirmed by aspiration biopsy and iconography. The patients were divided into two groups in a randomized control manner, with 60 patients in each group...
March 2017: Oncology Letters
https://www.readbyqxmd.com/read/28453861/functional-lung-avoidance-and-response-adaptive-escalation-flare-rt-multimodality-plan-dosimetry-of-a-precision-radiation-oncology-strategy
#2
Eunsin Lee, Jing Zeng, Robert S Miyaoka, Jatinder Saini, Paul E Kinahan, George A Sandison, Tony Wong, Hubert J Vesselle, Ramesh Rengan, Stephen R Bowen
PURPOSE: Non-small cell lung cancer (NSCLC) patient radiation therapy (RT) is planned without consideration of spatial heterogeneity in lung function or tumor response. We assessed the dosimetric and clinical feasibility of functional lung avoidance and response-adaptive escalation (FLARE) RT to reduce dose to [(99m) Tc]MAA-SPECT/CT perfused lung while redistributing an escalated boost dose within [(18) F]FDG-PET/CT-defined biological target volumes (BTV). METHODS: Eight stage IIB-IIIB NSCLC patients underwent FDG-PET/CT and MAA-SPECT/CT treatment planning scans...
April 28, 2017: Medical Physics
https://www.readbyqxmd.com/read/28453704/genomic-characterization-of-her2-positive-breast-cancer-and-response-to-neoadjuvant-trastuzumab-and-chemotherapy-results-from-the-acosog-z1041-alliance-trial
#3
R Lesurf, O L Griffith, M Griffith, J Hundal, L Trani, M A Watson, R Aft, M J Ellis, D Ota, V J Suman, F Meric-Bernstam, A M Leitch, J C Boughey, G Unzeitig, A U Buzdar, K K Hunt, E R Mardis
Background: HER2 (ERBB2) gene amplification and its corresponding overexpression are present in 15-30% of invasive breast cancers. While HER2-targeted agents are effective treatments, resistance remains a major cause of death. The American College of Surgeons Oncology Group Z1041 trial (NCT00513292) was designed to compare the pathologic complete response (pCR) rate of distinct regimens of neoadjuvant chemotherapy and trastuzumab, but ultimately identified no difference. Patients and methods: In supplement to tissues from 37 Z1041 cases, 11 similarly treated cases were obtained from a single institution study (NCT00353483)...
May 1, 2017: Annals of Oncology: Official Journal of the European Society for Medical Oncology
https://www.readbyqxmd.com/read/28453702/a-phase-2-randomized-double-blind-placebo-%C3%A2-controlled-study-of-chemo-immunotherapy-combination-using-motolimod-with-pegylated-liposomal-doxorubicin-in-recurrent-or-persistent-ovarian-cancer-a-gynecologic-oncology-group-partners-study
#4
B J Monk, M F Brady, C Aghajanian, H A Lankes, T Rizack, J Leach, J M Fowler, R Higgins, P Hanjani, M Morgan, R Edwards, W Bradley, T Kolevska, P Foukas, E M Swisher, K S Anderson, R Gottardo, J K Bryan, M Newkirk, K L Manjarrez, R S Mannel, R M Hershberg, G Coukos
Background: A phase 2, randomized, placebo-controlled trial was conducted in women with recurrent epithelial ovarian carcinoma to evaluate the efficacy and safety of motolimod-a Toll-like receptor 8 (TLR8) agonist that stimulates robust innate immune responses-combined with pegylated liposomal doxorubicin (PLD), a chemotherapeutic that induces immunogenic cell death. Patients and methods: Women with ovarian, fallopian tube, or primary peritoneal carcinoma were randomized 1 : 1 to receive PLD in combination with blinded motolimod or placebo...
May 1, 2017: Annals of Oncology: Official Journal of the European Society for Medical Oncology
https://www.readbyqxmd.com/read/28449049/professional-burnout-in-european-young-oncologists-results-of-the-european-society-for-medical-oncology-esmo-young-oncologists-committee-burnout-survey
#5
S Banerjee, R Califano, J Corral, E de Azambuja, L De Mattos-Arruda, V Guarneri, M Hutka, K Jordan, E Martinelli, G Mountzios, M A Ozturk, M Petrova, S Postel-Vinay, M Preusser, C Qvortrup, M N M Volkov, J Tabernero, D Olmos, M H Strijbos
Background: Burnout in health care professionals could have serious negative consequences on quality of patient care, professional satisfaction and personal life. Our aim was to investigate the burnout prevalence, work and lifestyle factors potentially affecting burnout amongst European oncologists ≤40 (YOs). Methods: A survey was conducted using the validated Maslach Burnout Inventory (MBI) and additional questions exploring work/lifestyle factors. Statistical analyses were performed to identify factors associated with burnout...
April 25, 2017: Annals of Oncology: Official Journal of the European Society for Medical Oncology
https://www.readbyqxmd.com/read/28448747/a-hierarchical-bayesian-design-for-randomized-phase-ii-clinical-trials-with-multiple-groups
#6
Jun Yin, Rui Qin, Daniel J Sargent, Charles Erlichman, Qian Shi
Enhanced knowledge of the biological and genetic basis of cancer is re-defining target population for new treatments. In oncology, potential targets for a new therapeutic agent often include various solid and hematologic malignancies that share common signaling pathways. New agents are often tested in multiple tumor types across which information can be borrowed. We propose a hierarchical Bayesian design (HBD) to simultaneously test a novel agent in multiple groups for randomized phase II clinical trials with binary endpoints...
April 27, 2017: Journal of Biopharmaceutical Statistics
https://www.readbyqxmd.com/read/28447341/chemotherapy-alone-versus-chemotherapy-plus-radiotherapy-for-adults-with-early-stage-hodgkin-lymphoma
#7
REVIEW
Oliver Blank, Bastian von Tresckow, Ina Monsef, Lena Specht, Andreas Engert, Nicole Skoetz
BACKGROUND: Combined modality treatment consisting of chemotherapy followed by localised radiotherapy is the standard treatment for patients with early stage Hodgkin lymphoma (HL). However, due to long- term adverse effects such as secondary malignancies the role of radiotherapy has been questioned recently and some clinical study groups advocate chemotherapy only for this indication. OBJECTIVES: To assess the effects of chemotherapy alone compared to chemotherapy plus radiotherapy in adults with early stage HL ...
April 27, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28447241/abbreviated-breast-dynamic-contrast-enhanced-mr-imaging-for-lesion-detection-and-characterization-the-experience-of-an-italian-oncologic-center
#8
Antonella Petrillo, Roberta Fusco, Mario Sansone, Marilena Cerbone, Salvatore Filice, Annamaria Porto, Maria Rosaria Rubulotta, Massimiliano D'Aiuto, Franca Avino, Maurizio Di Bonito, Gerardo Botti
BACKGROUND: To evaluate the performance of an abbreviated dynamic contrast-enhanced MR imaging (MRI) protocol for breast cancer detection; a comparison with the complete diagnostic protocol has been conducted. METHODS: A retrospective analysis on 508 patients was performed. Abbreviated protocol (AP) included one pre-contrast and the first post-contrast T1-weighted series. Complete protocol (CP) consisted of four post-contrast and one pre-contrast T1-weighted series...
April 26, 2017: Breast Cancer Research and Treatment
https://www.readbyqxmd.com/read/28447222/feeding-strategies-in-pediatric-cancer-patients-with-gastrointestinal-mucositis-a-multicenter-prospective-observational-study-and-international-survey
#9
Nicoline S S Kuiken, Edmond H H M Rings, Marry M van den Heuvel-Eibrink, Marianne D van de Wetering, Wim J E Tissing
INTRODUCTION: Currently, there is no adequate prevention or treatment for both oral and gastrointestinal mucositis induced by chemotherapy and/or radiotherapy. Supportive care of symptoms plays a primary role during mucositis in the pediatric clinical setting. We aimed to get insight in the currently used feeding strategies in clinical practice in pediatric cancer patients with chemotherapy-induced mucositis. METHODS: A prospective observational study was performed to identify feeding strategies after chemotherapy courses causing mucositis in almost all patients at the University Medical Center Groningen (UMCG), the Academic Medical Center Amsterdam (AMC), and the Princess Maxima Center Utrecht (PMC)...
April 26, 2017: Supportive Care in Cancer: Official Journal of the Multinational Association of Supportive Care in Cancer
https://www.readbyqxmd.com/read/28445098/comparative-analysis-of-human-epidermal-growth-factor-receptor-2-testing-in-breast-cancer-according-to-2007-and-2013-american-society-of-clinical-oncology-college-of-american-pathologists-guideline-recommendations
#10
Wedad M Hanna, Elzbieta Slodkowska, Fang-I Lu, Houman Nafisi, Sharon Nofech-Mozes
Purpose To study the effect of the 2013 updates to the 2007 American Society of Clinical Oncology/College of American Pathologists recommendations for human epidermal growth factor receptor 2 (HER2) testing in breast cancer on testing patterns and interpretation in a large regional reference laboratory. Patients and Methods Patient cases with HER2 testing scores for breast biomarker evaluation were selected from our laboratory information system during two 12-month periods (2012 and 2014). The number of tests performed, type of specimens, proportion of HER2-positive and equivocal patient cases, and number of repeat tests on subsequent excisional specimens were examined and compared...
April 26, 2017: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
https://www.readbyqxmd.com/read/28445097/phase-iib-randomized-double-blind-placebo-controlled-study-of-naldemedine-for-the-treatment-of-opioid-induced-constipation-in-patients-with-cancer
#11
Nobuyuki Katakami, Koji Oda, Katsunori Tauchi, Ken Nakata, Katsunori Shinozaki, Takaaki Yokota, Yura Suzuki, Masaru Narabayashi, Narikazu Boku
Purpose This randomized, double-blind, multicenter study aimed to determine the dose of naldemedine, a peripherally-acting μ-opioid receptor antagonist, for future trials by comparing the efficacy and safety of three doses of naldemedine versus placebo in patients with cancer and opioid-induced constipation. Methods Patients ≥ 18 years old with cancer, an Eastern Cooperative Oncology Group performance status ≤ 2, who had been receiving a stable regimen of opioid analgesics for ≥ 2 weeks, had at least one constipation symptom despite laxative use, and no more than five spontaneous bowel movements (SBMs) during the past 14 days, were randomly assigned (1:1:1:1) to oral, once-daily naldemedine 0...
April 26, 2017: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
https://www.readbyqxmd.com/read/28444770/factors-associated-with-local-recurrence-in-operated-osteosarcomas-a-retrospective-evaluation-of-95-cases-from-a-tertiary-care-center-in-a-resource-challenged-environment
#12
Rishi R Poudel, Vivek Tiwari, Venkatesan S Kumar, Sameer Bakhshi, Shivanand Gamanagatti, Shah Alam Khan, Shishir Rastogi
BACKGROUND AND OBJECTIVES: Local control of disease is one of the main goals of osteosarcoma management. We conducted a retrospective evaluation of 95 operated cases of osteosarcoma over 7 years to know about the factors associated with local recurrence in resource-challenged environment of the developing world. METHODS: The factors which were evaluated and compared between local recurrence and non-local recurrence groups included demographic profile, site of tumor, whether biopsy done outside, type of surgery (limb salvage or amputation), presence of pathological fracture, vicinity of neurovascular bundle, tumor volume, histological subtype, chemotherapy induced necrosis, surgical margins, and delay in surgery...
April 2017: Journal of Surgical Oncology
https://www.readbyqxmd.com/read/28444532/the-utrecht-cohort-for-multiple-breast-cancer-intervention-studies-and-long-term-evaluation-umbrella-objectives-design-and-baseline-results
#13
D A Young-Afat, C H van Gils, H J G D van den Bongard, H M Verkooijen
PURPOSE: In oncology, RCTs are often beset by slow recruitment, limited generalizability, and strong preferences for interventions by patients and physicians. The cohort multiple randomized controlled trial (cmRCT) is an innovative design with the potential to overcome those challenges. In cmRCT, a prospective cohort serves as an infrastructure for multiple RCTs. We implemented cmRCT in a clinical breast cancer setting by creating UMBRELLA-a large prospective cohort of breast cancer and DCIS patients/survivors...
April 25, 2017: Breast Cancer Research and Treatment
https://www.readbyqxmd.com/read/28444102/pet-mri-a-novel-hybrid-imaging-technique-major-clinical-indications-and-preliminary-experience-in-brazil
#14
Taise Vitor, Karine Minaif Martins, Tudor Mihai Ionescu, Marcelo Livorsi da Cunha, Ronaldo Hueb Baroni, Marcio Ricardo Taveira Garcia, Jairo Wagner, Guilherme de Carvalho Campos, Solange Amorim Nogueira, Elaine Gonçalves Guerra, Edson Amaro
In recent years, medical imaging with hybrid techniques has widely accepted and employed in clinical routine. PET/MRI offers significant advantages, including excellent contrast and resolution and reduced ionizing radiation, as compared to well-established PET/CT. Therefore, PET/MRI is a promising modality for oncologic imaging of some regions, such as brain, head and neck, liver and pelvis. This article set out to analyze clinical conditions that could benefit from PET/MRI imaging based on our caseload. The potential of PET/MRI to become the imaging modality of choice for assessment of neurologic and oncologic conditions associated with soft tissues is highlighted...
January 2017: Einstein
https://www.readbyqxmd.com/read/28442462/patients-and-physiotherapists-belief-in-and-use-of-acupuncture-for-cancer-related-symptoms
#15
Anna Enblom
BACKGROUND: It is important to investigate attitudes to acupuncture, because therapists' and patients' expectations may affect the treatment outcome. AIM: To explore the use of and belief in acupuncture among oncological physiotherapists and to explore patients' interest in receiving acupuncture during cancer therapy and their belief in its effectiveness. METHODS: 522 patients (80% female, mean age 67 years) reported on their interest in receiving acupuncture for nausea during radiotherapy treatment; a subgroup (n=198) additionally disclosed their belief in the effectiveness of acupuncture...
April 25, 2017: Acupuncture in Medicine: Journal of the British Medical Acupuncture Society
https://www.readbyqxmd.com/read/28442297/vertebral-and-femoral-bone-mineral-density-and-bone-strength-in-prostate-cancer-patients-assessed-in-phantomless-pet-ct-examinations
#16
Benedikt J Schwaiger, David L Kopperdahl, Lorenzo Nardo, Luca Facchetti, Alexandra S Gersing, Jan Neumann, Kwang J Lee, Tony M Keaveny, Thomas M Link
PURPOSE: Bone fracture risk assessed ancillary to positron emission tomography with computed tomography co-registration (PET/CT) could provide substantial clinical value to oncology patients with elevated fracture risk without introducing additional radiation dose. The purpose of our study was to investigate the feasibility of obtaining valid measurements of bone mineral density (BMD) and finite element analysis-derived bone strength of the hip and spine using PET/CT examinations of prostate cancer patients by comparing against values obtained using routine multidetector-row computed tomography (MDCT) scans-as validated in previous studies-as a reference standard...
April 22, 2017: Bone
https://www.readbyqxmd.com/read/28442227/laparoscopic-versus-percutaneous-cryoablation-of-small-renal-mass-systematic-review-and-cumulative-analysis-of-comparative-studies
#17
REVIEW
Rodrigo R Pessoa, Riccardo Autorino, M Pilar Laguna, Wilson R Molina, Diedra Gustafson, Leticia Nogueira, Rodrigo Donalisio da Silva, Priya N Werahera, Fernando J Kim
The objective of this study was to compare the surgical, oncological, and functional outcomes of laparoscopic and percutaneous cryoablation for the treatment of small renal masses. A systematic review of the literature was performed through March 2016 using PubMed, Scopus, and Ovid databases. Article selection proceeded according to the search strategy on the basis of the Preferred Reporting Items for Systematic Reviews and Meta-Analyses criteria. Only studies that compared laparoscopic and percutaneous kidney cryoablation were included in the meta-analysis...
March 30, 2017: Clinical Genitourinary Cancer
https://www.readbyqxmd.com/read/28441042/aberrantly-expressed-long-noncoding-rnas-in-recurrent-implantation-failure-a-microarray-related-study
#18
Li-Juan Fan, Hong-Jing Han, Jing Guan, Xiao-Wei Zhang, Qing-Hua Cui, Huan Shen, Cheng Shi
Long noncoding RNAs (lncRNAs) are a class of noncoding RNAs longer than 200 nucleotides. They were long regarded as transcription noise for their low expression and non-protein coding features. Recent published reports indicate that lncRNAs are involved in virtually every aspect of human biology. We aimed to profile the endometrial lncRNA expression pattern in women with recurrent implantation failure (RIF) and predict the function of the genes of the dysregulated lncRNA transcripts. Endometrial samples (24) were collected during window of implantation (14 RIF women and 10 women who conceived after embryo transfer)...
April 25, 2017: Systems Biology in Reproductive Medicine
https://www.readbyqxmd.com/read/28440976/diagnostic-value-of-the-caretm-hpv-test-in-screening-for-cervical-intraepithelial-neoplasia-grade-2-or-worse
#19
Mojgan Karimi Zarchi, Effat Heydari, Afsarolsadat Tabatabaie, Mansour Moghimi, Wesam Kooti
Background: Cervical cancer is the fourth leading cause of cancer death in women worldwide. Persistent infection with a high risk human papillomavirus (HR-HPV) is the main etiological factor, so that early early detection of HR-HPV is very important. The aim of this study was to investigate the efficacy of CareTM HPV, a new method, as compared with Pap smear, PCR, and biopsy for screening purposes. Material and Method: In this cross-sectional study, 200 sexually active women aging from 25-50 years referred to the oncology clinic of Shahid Sodoughi Yazd Hospital in 2015 with a variety of cervix epithelial lesions or a need for colposcopy were enrolled...
March 1, 2017: Asian Pacific Journal of Cancer Prevention: APJCP
https://www.readbyqxmd.com/read/28440368/mangiferin-functionalized-radioactive-gold-nanoparticles-mgf-198-aunps-in-prostate-tumor-therapy-green-nanotechnology-for-production-in-vivo-tumor-retention-and-evaluation-of-therapeutic-efficacy
#20
A Y Al-Yasiri, M Khoobchandani, C S Cutler, L Watkinson, T Carmack, C J Smith, M Kuchuk, S K Loyalka, A B Lugão, K V Katti
We report here an innovative feature of green nanotechnology-focused work showing that mangiferin-a glucose functionalized xanthonoid, found in abundance in mango peels-serves dual roles of chemical reduction and in situ encapsulation, to produce gold nanoparticles with optimum in vivo stability and tumor specific characteristics. The interaction of mangiferin with a Au-198 gold precursor affords MGF-(198)AuNPs as the beta emissions of Au-198 provide unique advantages for tumor therapy while gamma rays are used for the quantitative estimation of gold within the tumors and various organs...
April 25, 2017: Dalton Transactions: An International Journal of Inorganic Chemistry
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