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neoadjuvant chemotherapy in breast cancer

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https://www.readbyqxmd.com/read/29045543/a-predictive-model-of-pathological-response-based-on-tumor-cellularity-and-tumor-infiltrating-lymphocytes-celtil-in-her2-positive-breast-cancer-treated-with-chemo-free-dual-her2-blockade
#1
P Nuciforo, T Pascual, J Cortés, A Llombart-Cussac, R Fasani, L Paré, M Oliveira, P Galvan, N Martínez, B Bermejo, M Vidal, S Pernas, R López, M Muñoz, I Garau, L Manso, J Alarcón, E Martínez, V Rodrik-Outmezguine, J C Brase, P Villagrasa, A Prat, E Holgado
Background: The presence of stromal tumor-infiltrating lymphocytes (TILs) is associated with increased pathological complete response (pCR) and improved outcomes in HER2-positive early breast cancer (BC) treated with anti-HER2-based chemotherapy. In the absence of chemotherapy, the association of TILs with pCR following anti-HER2 therapy-only is largely unknown. Patients and methods: The PAMELA neoadjuvant trial treated 151 women with HER2-positive BC with lapatinib and trastuzumab (and hormonal therapy if hormone receptor [HR]-positive) for 18 weeks...
October 12, 2017: Annals of Oncology: Official Journal of the European Society for Medical Oncology
https://www.readbyqxmd.com/read/29035756/lymph-node-wire-localization-post-chemotherapy-towards-improving-the-false-negative-sentinel-lymph-node-biopsy-rate-in-breast-cancer-patients
#2
Brittany Z Dashevsky, Ashley Altman, Hiroyuki Abe, Nora Jaskowiak, Jean Bao, David V Schacht, Deepa Sheth, Kirti Kulkarni
PURPOSE: To evaluate whether the disease status of the pre-neoadjuvant chemotherapy (NAC) core biopsied lymph node (preNACBxLN) in patients with node positive breast cancer corresponds to nodal status of all surgically retrieved lymph nodes (LNs) post-NAC and whether wire localization of this LN is feasible. MATERIALS AND METHODS: HIPPA compliant IRB approved retrospective study including breast cancer patients (a.) with preNACBxLN confirmed metastases, (b.) who received NAC, and (c...
October 7, 2017: Clinical Imaging
https://www.readbyqxmd.com/read/29033675/considering-the-relationship-between-quantitative-parameters-and-prognostic-factors-in-breast-cancer-can-mean-standardized-uptake-value-be-an-alternative-to-maximum-standardized-uptake-value
#3
Reyhan Köroğlu, İsmail Köksal, Fikri Selçuk Şimşek, Fatma Gezer, Ersoy Kekilli, Bülent Ünal
It was aimed to investigate the correlation between maximum standardized uptake value (SUVmax), mean standardized uptake value (SUVmean), and retention index (RI), which represents the quantitative evaluation of the uptake of (18)F-fluoro-2-deoxy-D-glucose ((18)F-FDG) used in positron emission tomography (PET) and clinicopathologic as well as biologic prognostic factors. Forty-one women with breast cancer who were histopathologically diagnosed were included in this study. Neoadjuvant chemotherapy was applied to all patients before PET/computed tomography (CT)...
October 2017: World Journal of Nuclear Medicine
https://www.readbyqxmd.com/read/29033147/apparent-diffusion-coefficient-value-to-evaluate-tumor-response-after-neoadjuvant-chemotherapy-in-patients-with-breast-cancer
#4
Yazmín Aseret Ramírez-Galván, Servando Cardona-Huerta, Guillermo Elizondo-Riojas, Neri Alejandro Álvarez-Villalobos
RATIONALE AND OBJECTIVES: This study explored tumor behavior in patients with breast cancer during neoadjuvant chemotherapy (NAC) by sequential measurements of tumor apparent diffusion coefficient (ADC) after each chemotherapy cycle. The aim was to determine if the tumor ADC is useful to differentiate complete pathological response (cPR) from partial pathological response (pPR) during NAC. MATERIALS AND METHODS: A total of 16 cases (in 14 patients) with diagnosis of breast cancer eligible to receive NAC were included...
October 12, 2017: Academic Radiology
https://www.readbyqxmd.com/read/29029489/similar-response-profile-to-neoadjuvant-chemotherapy-but-different-survival-in-inflammatory-versus-locally-advanced-breast-cancers
#5
Audrey Monneur, Anthony Goncalves, Marine Gilabert, Pascal Finetti, Carole Tarpin, Christophe Zemmour, Jean-Marc Extra, Agnès Tallet, Eric Lambaudie, Jocelyne Jacquemier, Gilles Houvenaeghel, Jean-Marie Boher, Patrice Viens, François Bertucci
Inflammatory breast cancer (IBC) is a very aggressive form of breast cancer, as compared to locally advanced breast cancer (LABC). Neoadjuvant chemotherapy followed by surgery is the standard treatment in both cases. Whether IBC is less chemosensitive than LABC remains unclear. We retrospectively compared the rate of pathological complete response (pCR) to neoadjuvant chemotherapy in IBC and LABC. METHODS: Patients with IBC or LABC treated with neoadjuvant anthracycline-based chemotherapy followed by surgery were selected from our institutional database...
September 12, 2017: Oncotarget
https://www.readbyqxmd.com/read/29027523/-role-of-tenascin-%C3%B0-in-triple-negative-breast-cancer
#6
O P Popova, S Yu Bogomazova, A A Ivanov
AIM: to establish a relationship between the main markers tumor stem cells (TSCs), CD44, and CD24, the level of tenascin C production, and chemoresistance in triple-negative breast cancer (BC). SUBJECTS AND METHODS: Thirty biopsy specimens from triple-negative BC patients who had conventionally received preoperative chemotherapy followed by surgery were selected in the investigation. All the selected patients were conventionally assigned to neoadjuvant polychemotherapy (PCT) with paclitaxel and carboplatin...
2017: Arkhiv Patologii
https://www.readbyqxmd.com/read/29025449/incidence-of-chemotherapy-induced-neutropenia-in-hiv-infected-and-uninfected-patients-with-breast-cancer-receiving-neoadjuvant-chemotherapy
#7
Sithembile Ngidi, Nombulelo Magula, Ben Sartorius, Pooven Govender, Thandinkosi E Madiba
BACKGROUND: Chemotherapy-induced neutropenia (CIN) can result in poor tolerance of chemotherapy, leading to dose reductions, delays in therapy schedules, morbidity and mortality. Actively identifying predisposing risk factors before treatment is of paramount importance. We hypothesised that chemotherapy is associated with a greater increase in CIN and its complications in HIV-infected patients than in those who are not infected. OBJECTIVE: To establish the incidence of CIN in HIV-infected and uninfected patients undergoing chemotherapy...
June 30, 2017: South African Medical Journal, Suid-Afrikaanse Tydskrif Vir Geneeskunde
https://www.readbyqxmd.com/read/29024776/update-on-tumor-infiltrating-lymphocytes-tils-in-breast-cancer-including-recommendations-to-assess-tils-in-residual-disease-after-neoadjuvant-therapy-and-in-carcinoma-in-situ-a-report-of-the-international-immuno-oncology-biomarker-working-group-on-breast-cancer
#8
REVIEW
Maria Vittoria Dieci, Nina Radosevic-Robin, Susan Fineberg, Gert van den Eynden, Nils Ternes, Frederique Penault-Llorca, Giancarlo Pruneri, Timothy M D'Alfonso, Sandra Demaria, Carlos Castaneda, Joselyn Sanchez, Sunil Badve, Stefan Michiels, Veerle Bossuyt, Federico Rojo, Baljit Singh, Torsten Nielsen, Giuseppe Viale, Seong-Rim Kim, Stephen Hewitt, Stephan Wienert, Sybille Loibl, David Rimm, Fraser Symmans, Carsten Denkert, Sylvia Adams, Sherene Loi, Roberto Salgado
Morphological evaluation of tumor-infiltrating lymphocytes (TILs) in breast cancer is gaining momentum as evidence strengthens the clinical relevance of this immunological biomarker. TILs in the post-neoadjuvant residual disease setting are acquiring increasing importance as a stratifying marker in clinical trials, considering the raising interest on immunotherapeutic strategies after neoadjuvant chemotherapy. TILs in ductal carcinoma in situ, with or without invasive carcinoma, represent an emerging area of clinical breast cancer research...
October 9, 2017: Seminars in Cancer Biology
https://www.readbyqxmd.com/read/29023765/impact-of-clinicopathological-characteristics-on-the-efficacy-of-neoadjuvant-therapy-in-patients-with-human-epidermal-growth-factor-receptor-2-positive-breast-cancer
#9
Bin Zhao, Hong Zhao
Neoadjuvant therapy has become increasingly common in human epidermal growth factor receptor-2 (HER2)-positive breast cancer. In this study, we examined the impact of different clinicopathological characteristics on pathological complete response (pCR) in patients treated with anti-HER2 agents. The PubMed and Embase databases were searched from inception through April 2017 to identify studies that met pre-specified criteria. The odds ratios (ORs) and 95% confidence intervals (CIs) were extracted directly or were calculated with other available information...
October 11, 2017: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/28994557/increasing-survival-of-metastatic-breast-cancer-through-locoregional-surgery
#10
Begoña Díaz de la Noval, Laura Frías Aldeguer, María Á Leal García, Enrique García López, Mariana Díaz Almirón, María Herrera de la Muela
BACKGROUND: Surgery for the primary tumor in metastatic breast cancer is usually not recommended, assuming that local therapy provides no advantage. Recent reports suggest a survival improvement after locoregional treatment, but this is still controversial. We aimed to evaluate the effectiveness of locoregional treatment in primary metastatic breast cancer and to determine associated factors. METHODS: A retrospective analysis of 39 women with de novo metastatic breast cancer at Hospital Universitario La Paz, from January-2012 to June-2016 grouped by locoregional treatment (n=23) or not (n=16)...
October 9, 2017: Minerva Ginecologica
https://www.readbyqxmd.com/read/28993056/role-of-18-f-pet-ct-in-predicting-prognosis-of-patients-with-breast-cancer-after-neoadjuvant-chemotherapy
#11
Etsushi Akimoto, Takayuki Kadoya, Keiko Kajitani, Akiko Emi, Hideo Shigematsu, Masahiro Ohara, Norio Masumoto, Morihito Okada
BACKGROUND: Breast cancer can be assessed preoperatively and postoperatively using (18)F-fluorodeoxyglucose (FDG) positron emission tomography/computed tomography (PET/CT). We prospectively analyzed the maximum baseline standardized uptake value (SUVmax) derived from FDG PET/CT to predict the outcomes after neoadjuvant chemotherapy (NAC) for breast cancer. PATIENTS AND METHODS: We assessed 130 consecutive female patients with primary breast cancer (mean age, 53...
September 19, 2017: Clinical Breast Cancer
https://www.readbyqxmd.com/read/28987136/radiation-therapy-and-early-breast-cancer-current-controversies
#12
REVIEW
John Boyages
Radiation therapy (RT) is an important component of breast cancer treatment. RT reduces local recurrence and breast cancer mortality after breast conservation for all patients and for node-positive patients after a mastectomy. Short courses of RT over 3-4 weeks are generally as effective as longer courses. A patient subgroup where RT can be avoided after conservative surgery has not been consistently identified. A radiation boost reduces the risk of a recurrence in the breast but may be omitted for older patients with good prognosis tumours with clear margins...
August 4, 2017: Medical Journal of Australia
https://www.readbyqxmd.com/read/28985927/association-between-targeted-her-2-therapy-and-breast-reconstruction-outcomes-a%C3%A2-propensity-score-matched-analysis
#13
Ronnie L Shammas, Eugenia H Cho, Adam D Glener, Luke P Poveromo, Lily R Mundy, Rachel A Greenup, Kimberly L Blackwell, Scott T Hollenbeck
BACKGROUND: Current treatment for HER-2+ breast cancer includes chemotherapy and targeted HER-2 therapy with trastuzumab and/or pertuzumab. Evidence is lacking on the safety of breast reconstructive operations in these patients. We hypothesized that targeted HER-2 therapy was not associated with post-mastectomy reconstructive outcomes. STUDY DESIGN: Women receiving chemotherapy and post-mastectomy reconstruction at Duke University Medical Center from 2006 to 2016 were retrospectively identified...
September 26, 2017: Journal of the American College of Surgeons
https://www.readbyqxmd.com/read/28984771/application-of-neoadjuvant-chemotherapy-in-occult-breast-cancer-five-case-reports
#14
Haisong Yang, Ling Li, Mengmeng Zhang, Shiyong Zhang, Shu Xu, Xiaoxia Ma
RATIONALE: Although rare, occult breast cancer (OBC) originates from breast tissue. Its primary lesions cannot be identified by clinical examination or imaging; therefore, the diagnosis, treatment, and prognosis remain controversial. PATIENT CONCERNS: This study comprised 5 female OBC patients who were admitted to the Affiliated Hospital of Guizhou Medical University for painless axillary lumps. DIAGNOSES: F-flurodeoxyglucose (F-FDG) positron emission tomography/computed tomography (PET/CT) indicated metastasis in the ipsilateral axillary lymph nodes...
October 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28982747/pathologic-complete-response-after-neoadjuvant-chemotherapy-and-long-term-outcomes-among-young-women-with-breast-cancer
#15
Laura Spring, Rachel Greenup, Andrzej Niemierko, Lidia Schapira, Stephanie Haddad, Rachel Jimenez, Suzanne Coopey, Alphonse Taghian, Kevin S Hughes, Steven J Isakoff, Leif W Ellisen, Barbara L Smith, Michelle Specht, Beverly Moy, Aditya Bardia
Purpose: Breast cancer in young women is associated with an aggressive tumor biology and higher risk of recurrence. Pathologic complete response (pCR) after neoadjuvant therapy has been shown to be a surrogate marker for disease-free survival (DFS) and overall survival (OS), but the association between pCR and survival outcomes in young women with breast cancer is not well described. Methods: This study included women aged ≤40 years at diagnosis who received neoadjuvant chemotherapy (NAC) for stage II-III invasive breast cancer between 1998 and 2014 at Massachusetts General Hospital...
October 2017: Journal of the National Comprehensive Cancer Network: JNCCN
https://www.readbyqxmd.com/read/28980886/features-from-computerized-texture-analysis-of-breast-cancers-at-pretreatment-mr-imaging-are-associated-with-response-to-neoadjuvant-chemotherapy
#16
Foucauld Chamming's, Yoshiko Ueno, Romuald Ferré, Ellen Kao, Anne-Sophie Jannot, Jaron Chong, Atilla Omeroglu, Benoît Mesurolle, Caroline Reinhold, Benoit Gallix
Purpose To evaluate whether features from texture analysis of breast cancers were associated with pathologic complete response (pCR) after neoadjuvant chemotherapy and to explore the association between texture features and tumor subtypes at pretreatment magnetic resonance (MR) imaging. Materials and Methods Institutional review board approval was obtained. This retrospective study included 85 patients with 85 breast cancers who underwent breast MR imaging before neoadjuvant chemotherapy between April 10, 2008, and March 12, 2015...
October 4, 2017: Radiology
https://www.readbyqxmd.com/read/28978427/myc-and-mcl1-cooperatively-promote-chemotherapy-resistant-breast-cancer-stem-cells-via-regulation-of-mitochondrial-oxidative-phosphorylation
#17
Kyung-Min Lee, Jennifer M Giltnane, Justin M Balko, Luis J Schwarz, Angel L Guerrero-Zotano, Katherine E Hutchinson, Mellissa J Nixon, Mónica V Estrada, Violeta Sánchez, Melinda E Sanders, Taekyu Lee, Henry Gómez, Ana Lluch, J Alejandro Pérez-Fidalgo, Melissa Magdalene Wolf, Gabriela Andrejeva, Jeffrey C Rathmell, Stephen W Fesik, Carlos L Arteaga
Most patients with advanced triple-negative breast cancer (TNBC) develop drug resistance. MYC and MCL1 are frequently co-amplified in drug-resistant TNBC after neoadjuvant chemotherapy. Herein, we demonstrate that MYC and MCL1 cooperate in the maintenance of chemotherapy-resistant cancer stem cells (CSCs) in TNBC. MYC and MCL1 increased mitochondrial oxidative phosphorylation (mtOXPHOS) and the generation of reactive oxygen species (ROS), processes involved in maintenance of CSCs. A mutant of MCL1 that cannot localize in mitochondria reduced mtOXPHOS, ROS levels, and drug-resistant CSCs without affecting the anti-apoptotic function of MCL1...
October 3, 2017: Cell Metabolism
https://www.readbyqxmd.com/read/28978172/thermal-tomography-for-monitoring-tumor-response-to-neoadjuvant-chemotherapy-in-women-with-locally-advanced-breast-cancer
#18
Qi Wu, Juanjuan Li, Si Sun, Xiaoli Yao, Shan Zhu, Juan Wu, Qian Liu, Xiaojun Ding, Manman Shi, Kaiyang Li, Shengrong Sun
BACKGROUND & AIMS: This study aims to analyze the feasibility and predictive value of thermal tomography (TT) for monitoring early treatment response in patients with locally advanced breast cancer (LABC) receiving neoadjuvant chemotherapy (NAC). METHODS: Patients with LABC who were due to receive six cycles of NAC were examined by TT prior to NAC, the second cycle of NAC, the fourth cycle of NAC and surgery. Changes in TT parameters and ultrasonography were correlated with pathologic response to NAC, and the predictive value was assessed...
September 15, 2017: Oncotarget
https://www.readbyqxmd.com/read/28973704/neoadjuvant-and-adjuvant-therapies-for-breast-cancer
#19
REVIEW
Susmitha Apuri
Breast cancer remains the most common cancer in women in the United States, the second most common cause of cancer death, and the main cause of death in women ages 45 to 55 years. Molecular analyses have shown that breast cancer is divided into several subtypes (luminal A, luminal B, human epidermal growth factor receptor 2 [HER2] enriched, and basal-like), based on microarray techniques. Patients diagnosed as having breast cancer may undergo adjuvant or neoadjuvant chemotherapy, depending on the tumor size, hormone receptor, HER2/neu status, and desire for breast preservation...
October 2017: Southern Medical Journal
https://www.readbyqxmd.com/read/28970846/sentinel-lymph-node-biopsy-in-breast-cancer-a-clinical-review-and-update
#20
REVIEW
Sheikh Zahoor, Altaf Haji, Azhar Battoo, Mariya Qurieshi, Wahid Mir, Mudasir Shah
Sentinel lymph node biopsy has become a standard staging tool in the surgical management of breast cancer. The positive impact of sentinel lymph node biopsy on postoperative negative outcomes in breast cancer patients, without compromising the oncological outcomes, is its major advantage. It has evolved over the last few decades and has proven its utility beyond early breast cancer. Its applicability and efficacy in patients with clinically positive axilla who have had a complete clinical response after neoadjuvant chemotherapy is being aggressively evaluated at present...
September 2017: Journal of Breast Cancer
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