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Medical Oncology

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https://www.readbyqxmd.com/read/28620883/extended-adjuvant-endocrine-therapy-in-early-breast-cancer-a-meta-analysis-of-published-randomized-trials
#1
Ezzeldin M Ibrahim, Marwan R Al-Hajeili, Ali M Bayer, Omalkhair A Abulkhair, Ahmed A Refae
Adjuvant endocrine therapy for 5 years is the standard adjuvant treatment for estrogen receptor-positive breast cancer while the benefits of extended adjuvant endocrine therapy (EAET) beyond 5 years are still controversial. That controversy prompted this meta-analysis to compare 5 years of adjuvant endocrine therapy only versus EAET. Eligible 11 randomized, controlled trials comprising 29,000 women were included. EAET showed no advantage in overall survival (OS) from all causes mortality (odds ratio [OR] = 0...
July 2017: Medical Oncology
https://www.readbyqxmd.com/read/28616710/erratum-to-advances-in-systemic-therapy-for-metastatic-breast-cancer-future-perspectives
#2
S P Corona, N Sobhani, A Ianza, G Roviello, G Mustacchi, M Bortul, F Zanconati, D Generali
No abstract text is available yet for this article.
July 2017: Medical Oncology
https://www.readbyqxmd.com/read/28593604/neutralization-of-matrix-metalloproteinase-9-potentially-enhances-oncolytic-efficacy-of-tanapox-virus-for-melanoma-therapy
#3
Tiantian Zhang, Yogesh R Suryawanshi, Blair R Szymczyna, Karim Essani
Matrix metalloproteinases (MMPs), which are involved in degradation of extracellular matrix, are critical regulators in tumor progression, metastasis and angiogenesis. Although induction of MMPs is frequently observed during the viral infection, the effect of MMPs on viral replication varies between viruses. MMP-9, for instance, is upregulated and promotes the replication of some viruses, such as herpes simplex virus, but inhibits the replication of others. Here, we report that infection with tanapox virus (TPV) promotes the expression of MMP-9 in the melanoma cells...
July 2017: Medical Oncology
https://www.readbyqxmd.com/read/28573642/aberrant-gene-promoter-methylation-of-e-cadherin-p16-ink4a-p14-arf-and-mgmt-in-epstein-barr-virus-associated-oral-squamous-cell-carcinomas
#4
Ati Burassakarn, Chamsai Pientong, Nuchsupha Sunthamala, Jureeporn Chuerduangphui, Patravoot Vatanasapt, Natcha Patarapadungkit, Bunkerd Kongyingyoes, Tipaya Ekalaksananan
The etiology of oral carcinogenesis appears to be multifactorial. There is emerging evidence of the presence of Epstein-Barr virus (EBV) in epithelial oral squamous cell carcinoma (OSCC), but an association of EBV with oral carcinogenesis has not yet been established. Although epigenetic alterations, such as aberrant DNA methylation, are known to contribute to the pathogenesis of oral cancer, the relationship of such alterations with EBV infection is little known. This study aimed to investigate the association between EBV infection and promoter methylation patterns of tumor-associated genes in OSCC tissues...
July 2017: Medical Oncology
https://www.readbyqxmd.com/read/28573641/downregulation-of-trpm7-suppressed-migration-and-invasion-by-regulating-epithelial-mesenchymal-transition-in-prostate-cancer-cells
#5
Liang Chen, Rui Cao, Gang Wang, Lushun Yuan, Guofeng Qian, Zhongqiang Guo, Chin-Lee Wu, Xinghuan Wang, Yu Xiao
Metastasis is a leading cause of death in patients with prostate cancer (PCa). Transient receptor potential channel 7 (TRPM7) functions as a Mg(2+)/Ca(2+)-permeable channel as well as a protein kinase that regulate various cellular processes including cell adhesion, migration and survival. However, the function of TRPM7 in metastasis of PCa remains largely unknown. Microarray analysis suggested that calcium signaling pathway was significantly altered in metastatic PCa tissues, compared with benign prostatic hyperplasia tissues...
July 2017: Medical Oncology
https://www.readbyqxmd.com/read/28573640/expanding-the-search-for-significant-egfr-mutations-in-nsclc-outside-of-the-tyrosine-kinase-domain-with-next-generation-sequencing
#6
Matthew K Stein, Lindsay Morris, Jennifer L Sullivan, Moon Fenton, Ari VanderWalde, Lee S Schwartzberg, Mike G Martin
While conventional organization of EGFR mutations in non-small cell lung cancer (NSCLC) includes classic lesions sensitive to tyrosine kinase inhibitors (TKI) and variants localized to the tyrosine kinase domain (TKD) in exons 18-21, next-generation sequencing (NGS) raises the prospect of identifying clinically relevant variants in extra-TKD regulatory regions. NSCLC patients at our institution who received tumor profiling with NGS from 2013 to 2015 were identified. EGFR mutations were arranged based upon their distribution relative to the TKD...
July 2017: Medical Oncology
https://www.readbyqxmd.com/read/28573639/minimally-invasive-pancreatic-cancer-surgery-what-is-the-current-evidence
#7
REVIEW
Michał Pędziwiatr, Piotr Małczak, Piotr Major, Jan Witowski, Beata Kuśnierz-Cabala, Piotr Ceranowicz, Andrzej Budzyński
Surgery remains the only option to cure pancreatic cancer. Although the use of laparoscopy in oncology is rapidly growing worldwide, its efficacy in pancreatic surgery remains controversial. A number of studies have compared outcomes of minimally invasive and open pancreatic resections. However, they are mostly non-randomized trials including relatively small groups of patients. In addition, most of these studies were conducted in high-volume pancreatic centres. It seems that despite longer operative time, laparoscopy may be beneficial in terms of morbidity, blood loss and hospital stay...
July 2017: Medical Oncology
https://www.readbyqxmd.com/read/28573638/peribiliary-liver-metastases-mr-findings
#8
Vincenza Granata, Roberta Fusco, Orlando Catalano, Antonio Avallone, Maddalena Leongito, Francesco Izzo, Antonella Petrillo
We described magnetic resonance (MR) features of peribiliary metastasis and of periductal infiltrative cholangiocarcinoma. We assessed 35 patients, with peribiliary lesions, using MR 4-point confidence scale. T1-weighted (T1-W), T2-weighted (T2-W) and diffusion-weighted images (DWI) signal intensity, enhancement pattern during arterial, portal, equilibrium and hepatobiliary phase were assessed. We identified 24 patients with periductal-infiltrating cholangiocellular carcinoma. The lesions in 34 patients appeared as a single tissue, while in a single patient, the lesions appeared as multiple individual lesions...
July 2017: Medical Oncology
https://www.readbyqxmd.com/read/28573637/clinical-significance-of-androgen-secretion-disorders-in-men-with-a-malignancy
#9
REVIEW
Pawel J Wiechno, Grazyna M Poniatowska, Wojciech Michalski, Jakub Kucharz, Malgorzata Sadowska, Joanna Jonska-Gmyrek, Karol Nietupski, Joanna Rzymowska, Tomasz Demkow
Cancer and its treatment can lead in men to testosterone deficiency, accompanied by somatic and mental symptoms. Germ cell tumours and their treatment may disturb the pituitary-gonadal axis, hence leading to significant clinical abnormalities. In some prostate cancer patients, castration, temporary or permanent, is a desired therapeutic condition. Yet, it is burdened with various side effects of complex intensity and significance. Last but not least, patients in the terminal stage of a malignancy present with low testosterone concentrations as a part of anorexia-cachexia syndrome...
July 2017: Medical Oncology
https://www.readbyqxmd.com/read/28560682/epithelial-to-mesenchymal-transition-in-tumor-progression
#10
REVIEW
Elena Prieto-García, C Vanesa Díaz-García, Inmaculada García-Ruiz, M Teresa Agulló-Ortuño
The epithelial-to-mesenchymal transition (EMT) is a biological process in which a non-motile epithelial cell changes to a mesenchymal state with invasive capacities. However, the EMT program is involved in both physiological and pathological processes. Cancer-associated EMT is known to contribute to increase invasiveness and metastasis, resistance to therapies, and generation of cell populations with stem cell-like characteristics and therefore is deeply involved in tumor progression. This process is finely orchestrated by multiple signaling pathways and regulatory transcriptional networks...
July 2017: Medical Oncology
https://www.readbyqxmd.com/read/28555261/paradigm-shift-of-therapeutic-management-of-brain-metastases-in-egfr-mutant-non-small-cell-lung-cancer-in-the-era-of-targeted-therapy
#11
REVIEW
Akimasa Sekine, Hiroaki Satoh
Non-small cell lung cancer (NSCLC) patients with epidermal growth factor receptor (EGFR) mutations commonly present brain metastases (BM) at the time of NSCLC diagnosis or during the clinical course. Conventionally, the prognosis of BM has been extremely poor, but the advent of EGFR-tyrosine kinase inhibitors (TKIs) has drastically improved the prognosis in these patients. Despite the presence of the blood-brain barrier, EGFR-TKIs have dramatic therapeutic effects on both BM and extracranial disease. In addition, recent systemic chemotherapies reportedly play a role in controlling BM...
July 2017: Medical Oncology
https://www.readbyqxmd.com/read/28536881/why-do-younger-breast-cancer-patients-with-blood-group-o-have-favorable-prognosis
#12
LETTER
Kadri Altundag
No abstract text is available yet for this article.
July 2017: Medical Oncology
https://www.readbyqxmd.com/read/28526922/advances-in-systemic-therapy-for-metastatic-breast-cancer-future-perspectives
#13
REVIEW
S P Corona, N Sobhani, A Ianza, G Roviello, G Mustacchi, M Bortul, F Zanconati, D Generali
Breast cancer (BC) is the most common cancer in women worldwide. One in eight women will develop the disease in her lifetime. Notwithstanding the incredible progress made in this field, BC still represents the second most common cause of cancer-related death in women. Targeted drugs have revolutionised breast cancer treatment and improved the prognosis as well as the life expectancy of millions of women. However, the phenomenon of primary and secondary pharmacological resistance is becoming increasingly evident, limiting the efficacy of these agents and calling for a better in-depth knowledge and understanding of the biology as well as the biochemical crosstalk underlying the disease...
July 2017: Medical Oncology
https://www.readbyqxmd.com/read/28500618/prognostic-value-of-abo-blood-types-in-young-patients-with-breast-cancer-a-nationwide-study-in-korean-breast-cancer-society
#14
Sungmin Park, Ku Sang Kim, Jeong-Soo Kim, Wonshik Han, Byeong-Woo Park, Seokwon Lee, Ye Won Jeon, Se Kyung Lee, Jonghan Yu, Jeong Eon Lee, Seok Won Kim, Seok Jin Nam
The purpose of this study was to investigate the relationship between ABO blood types and breast cancer survival in young Korean patients. This was a retrospective study of 115,474 patients who were surgically treated for primary breast cancer between 1987 and 2011 in Korea. All data were collected by the Korean Breast Cancer Society (KBCS) online breast cancer registry. Each hospital serologically examined the ABO blood types of patients before surgery. There was no significant difference in overall survival (OS) or breast cancer-specific survival (BCSS) among ABO blood types...
June 2017: Medical Oncology
https://www.readbyqxmd.com/read/28500617/post-chemotherapy-pd-l1-expression-correlates-with-clinical-outcomes-in-japanese-bladder-cancer-patients-treated-with-total-cystectomy
#15
Daisuke Noro, Shingo Hatakeyama, Takahiro Yoneyama, Yasuhiro Hashimoto, Takuya Koie, Toshiaki Kawaguchi, Chikara Ohyama
Programmed cell death ligand-1 (PD-L1) is a key target molecule of immunotherapy that is frequently overexpressed in bladder cancer. In the present study, we examined whether PD-L1 expression is associated with clinical outcomes in bladder cancer patients. We enrolled 102 bladder cancer patients treated with cystectomy at the Aomori Prefectural Hospital between April 2004 and May 2014. We conducted an immunohistochemical examination of PD-L1 expression using the SP142 assay. PD-L1 expression was scored at three diagnostic levels (0/1/2)...
June 2017: Medical Oncology
https://www.readbyqxmd.com/read/28500616/significance-of-blood-neutrophil-to-lymphocyte-ratio-for-prognostic-stratification-of-patients-with-gastroesophageal-junction-adenocarcinoma-in-the-era-of-the-8th-edition-of-the-american-joint-committee-on-cancer-ajcc8-staging
#16
Alicia-Marie Conway, Zena Salih, George Papaxoinis, Kimberly Fletcher, Jamie Weaver, Ana Patrao, Robert Noble, Sofia Stamatopoulou, Vikki Owen-Holt, Wasat Mansoor
The prognosis of patients with gastroesophageal junction (GOJ) adenocarcinoma depends mainly on the clinical staging, as described by the new AJCC8 (American Joint Committee on Cancer 8th edition). Evidence suggests that peripheral blood neutrophil-to-lymphocyte ratio (NLR) may be of prognostic significance in patients with upper gastrointestinal cancers. We examined the prognostic significance of NLR in the era of the new AJCC8 staging system. In this single-centre cohort study, retrospective data on patients with operable GOJ adenocarcinoma treated with perioperative chemotherapy were analysed...
June 2017: Medical Oncology
https://www.readbyqxmd.com/read/28477178/antiangiogenics-and-immunotherapies-in-cervical-cancer-an-update-and-future-s-view
#17
REVIEW
Daniela Luvero, Francesco Plotti, Salvatore Lopez, Giuseppe Scaletta, Stella Capriglione, Roberto Montera, Gianina Antonelli, Sara Ciuffreda, Raffaella Carassiti, Alice Oliveti, Roberto Angioli
Despite availability of primary and secondary prevention measures, cervical cancer (CC) persists as one of the most common cancers among women around the world, and more than 70% of cases are diagnosed at advanced stages. Although significant progress has been made in the treatment of CC, around 15-61% of patients develop a recurrence in lymph nodes or distant sites within the first 2 years of completing treatment and the prognosis for these patients remains poor. During the last decades, in an attempt to improve the outcome in these patients, novel agents as combination therapy that target known dysfunctional molecular pathways have been developed with the most attention to the inhibitors of the angiogenesis process...
June 2017: Medical Oncology
https://www.readbyqxmd.com/read/28470536/flt3-itd-and-its-current-role-in-acute-myeloid-leukaemia
#18
REVIEW
Francisco Alejandro Lagunas-Rangel, Venice Chávez-Valencia
FMS-like tyrosine kinase 3 (FLT3) is a proto-oncogene involved in crucial steps of haematopoiesis such as proliferation, differentiation and survival. In recent years, FLT3 has been an important marker in different haematological malignancies, highlighting in acute myeloid leukaemia, where FLT3 mutations have been associated with the clinical prognosis, treatment and survival of patients. The most common form of FLT3 mutation is an internal tandem duplication (ITD) that promotes ligand-independent auto-phosphorylation and constitutive activation of the receptor...
June 2017: Medical Oncology
https://www.readbyqxmd.com/read/28470535/clinical-impact-of-cone-beam-computed-tomography-on-iterative-treatment-planning-during-ultrasound-guided-percutaneous-ablation-of-liver-malignancies
#19
Chiara Floridi, Alessandro Radaelli, Filippo Pesapane, Enrico Maria Fumarola, Michela Lecchi, Andrea Agostini, Andrea Giovagnoni, Gianpaolo Carrafiello, Bradford Wood
A standardized cone beam computed tomography (CBCT) protocol may impact optimal ablation probe(s) positioning during ultrasound-guided microwave ablation (MWA). To evaluate this hypothesis, 15 patients underwent ultrasound-guided percutaneous MWA of 15 liver lesions (10 hepatocellular carcinomas, 5 metastasis ranging 11-41 mm) with the ultrasound guidance assisted by a dedicated CBCT protocol. Pre-procedural enhanced CBCT (ceCBCT) was performed after intravenous contrast administration to visualize the lesion and determine the optimal approach using CBCT-based ablation planning software...
June 2017: Medical Oncology
https://www.readbyqxmd.com/read/28466296/t-independent-response-mediated-by-oncolytic-tanapoxvirus-recombinants-expressing-interleukin-2-and-monocyte-chemoattractant-protein-1-suppresses-human-triple-negative-breast-tumors
#20
Yogesh R Suryawanashi, Tiantian Zhang, Helene M Woyczesczyk, John Christie, Emily Byers, Steven Kohler, Robert Eversole, Charles Mackenzie, Karim Essani
Human triple negative breast cancer (TNBC) is an aggressive disease, associated with a high rate of recurrence and metastasis. Current therapeutics for TNBC are limited, highly toxic and show inconsistent efficacy due to a high degree of intra-tumoral and inter-tumoral heterogeneity. Oncolytic viruses (OVs) are an emerging treatment option for cancers. Several OVs are currently under investigation in preclinical and clinical settings. Here, we examine the oncolytic potential of two tanapoxvirus (TPV) recombinants expressing mouse monocyte chemoattractant protein (mMCP)-1 [also known as mCCL2] and mouse interleukin (mIL)-2, in human TNBC, in vitro and in vivo...
June 2017: Medical Oncology
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