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https://www.readbyqxmd.com/read/28811974/ex-vivo-assessment-of-drug-response-on-breast-cancer-primary-tissue-with-preserved-microenvironments
#1
Manuele G Muraro, Simone Muenst, Valentina Mele, Luca Quagliata, Giandomenica Iezzi, Alexandar Tzankov, Walter P Weber, Giulio C Spagnoli, Savas D Soysal
Interaction between cancerous, non-transformed cells, and non-cellular components within the tumor microenvironment plays a key role in response to treatment. However, short-term culture or xenotransplantation of cancer specimens in immunodeficient animals results in dramatic modifications of the tumor microenvironment, thus preventing reliable assessment of compounds or biologicals of potential therapeutic relevance. We used a perfusion-based bioreactor developed for tissue engineering purposes to successfully maintain the tumor microenvironment of freshly excised breast cancer tissue obtained from 27 breast cancer patients and used this platform to test the therapeutic effect of antiestrogens as well as checkpoint-inhibitors on the cancer cells...
2017: Oncoimmunology
https://www.readbyqxmd.com/read/28770452/pertuzumab-for-the-neoadjuvant-treatment-of-early-stage-her2-positive-breast-cancer-an-evidence-review-group-perspective-of-a-nice-single-technology-appraisal
#2
REVIEW
Hazel Squires, Abdullah Pandor, Praveen Thokala, John W Stevens, Eva Kaltenthaler, Mark Clowes, Robert Coleman, Lynda Wyld
As part of its single technology appraisal process, the National Institute for Health and Care Excellence invited the manufacturer of pertuzumab (Perjeta(®); Roche Products Limited) to submit evidence of its clinical and cost- effectiveness for the neoadjuvant treatment of women with high-risk, early-stage, HER2-positive breast cancer when used in combination with trastuzumab and chemotherapy. High-risk women included those with locally advanced (including inflammatory) breast cancer and women with high-risk early-stage breast cancer (classified as T2/3 or N1)...
August 2, 2017: PharmacoEconomics
https://www.readbyqxmd.com/read/28764748/a-phase-i-trial-of-ganetespib-in-combination-with-paclitaxel-and-trastuzumab-in-patients-with-human-epidermal-growth-factor-receptor-2-her2-positive-metastatic-breast-cancer
#3
Komal Jhaveri, Rui Wang, Eleonora Teplinsky, Sarat Chandarlapaty, David Solit, Karen Cadoo, James Speyer, Gabriella D'Andrea, Sylvia Adams, Sujata Patil, Sofia Haque, Tara O'Neill, Kent Friedman, Francisco J Esteva, Clifford Hudis, Shanu Modi
BACKGROUND: Targeted therapies in HER2-positive metastatic breast cancer significantly improve outcomes but efficacy is limited by therapeutic resistance. HER2 is an acutely sensitive Heat Shock Protein 90 (HSP90) client and HSP90 inhibition can overcome trastuzumab resistance. Preclinical data suggest that HSP90 inhibition is synergistic with taxanes with the potential for significant clinical activity. We therefore tested ganetespib, a HSP90 inhibitor, in combination with paclitaxel and trastuzumab in patients with trastuzumab-refractory HER2-positive metastatic breast cancer...
August 2, 2017: Breast Cancer Research: BCR
https://www.readbyqxmd.com/read/28751451/131i-labeled-anti-her2-camelid-sdab-as-a-theranostic-tool-in-cancer-treatment
#4
Matthias D'Huyvetter, Jens De Vos, Catarina Xavier, Marek Pruszynski, Yann G J Sterckx, Sam Massa, Geert Raes, Vicky Caveliers, Michael Zalutsky, Tony Lahoutte, Nick Devoogdt
<p>Camelid single-domain antibody-fragments (sdAbs) have beneficial pharmacokinetic properties, and those targeted to HER2 can be used for imaging of HER2-overexpressing cancer. Labeled with a therapeutic radionuclide, they may be used for HER2-targeted therapy. Here we describe the generation of a (131)I-labeled sdAb as a theranostic drug to treat HER2-overexpressing cancer.</p> <br />Experimental Design: <p>Anti-HER2 sdAb 2Rs15d was labeled with (131)I using [(131)I]SGMIB and evaluated in vitro Biodistribution was evaluated in two HER2(+) murine xenograft models by micro-SPECT/CT imaging and at necropsy, and under challenge with trastuzumab and pertuzumab...
July 27, 2017: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
https://www.readbyqxmd.com/read/28751231/concurrent-administration-of-anti-her2-therapy-and-radiotherapy-systematic-review
#5
REVIEW
Fabien Mignot, Zahra Ajgal, Hoping Xu, Arthur Geraud, Jia Yi Chen, Frédérique Mégnin-Chanet, Youlia Kirova
BACKGROUND: Over the past few years, anti-HER2 targeted therapies have proven to be a key treatment in the management of human epidermal growth receptor 2 (HER2)-positive breast cancers, as well as gastrointestinal tract tumors and head and neck tumors. Anti-HER2 therapies administered alone or in combination with chemotherapy have been extensively studied, but only limited robust data are available concerning the safety and efficacy of anti-HER2 molecules in combination with radiotherapy...
July 24, 2017: Radiotherapy and Oncology: Journal of the European Society for Therapeutic Radiology and Oncology
https://www.readbyqxmd.com/read/28737130/effect-of-pertuzumab-trastuzumab-and-docetaxel-in-her2-positive-metastatic-breast-cancer-a-meta-analysis%C3%A2
#6
Tian Tian, Jing Ye, Sihai Zhou
INTRODUCTION: Pertuzumab, as an adjunctive therapy to trastuzumab and docetaxel, has been reported to be potentially beneficial for the treatment of human epidermal growth factor receptor 2 (HER2)-positive metastatic breast cancer. However, the results remain controversial. We conducted a systematic review and meta-analysis to evaluate the efficacy and safety of pertuzumab supplementation in patients with HER2-positive metastatic breast cancer. METHODS: Medline, SCOPUS, Google Scholar, Cochrane library databases, EMBASE, Springer, and Science Direct were systematically searched...
July 24, 2017: International Journal of Clinical Pharmacology and Therapeutics
https://www.readbyqxmd.com/read/28736629/biologic-therapy-in-esophageal-and-gastric-malignancies-current-therapies-and-future-directions
#7
REVIEW
Pamela Samson, A Craig Lockhart
Biologic agents, including targeted antibodies as well as immunomodulators, are demonstrating unparalleled development and study across the entire spectrum of human malignancy. This review summarizes the current state of biologic therapies for esophageal, esophagogastric, and gastric malignancies, including those that target human epidermal growth factor receptor 2 (HER2), epidermal growth factor receptor (EGFR), vascular endothelial growth factor (VEGF), c-Met, mechanistic target of rapamycin (mTOR) and immunomodulators...
June 2017: Journal of Gastrointestinal Oncology
https://www.readbyqxmd.com/read/28717761/estimation-of-premature-deaths-from-lack-of-access-to-anti-her2-therapy-for-advanced-breast-cancer-in-the-brazilian-public-health-system
#8
Márcio Debiasi, Tomás Reinert, Rafael Kaliks, Gilberto Amorim, Maira Caleffi, Carlos Sampaio, Gustavo Dos Santos Fernandes, Carlos H Barrios
PURPOSE: Patients with human epidermal growth factor receptor 2 (HER2) -positive metastatic tumors treated in the public health system in Brazil do not have access to trastuzumab. This study aimed to estimate the impact of the lack of access to anti-HER2 therapies on the mortality of these patients. METHODS: On the basis of published data, the number of patients with HER2-positive advanced breast cancer in 2016 who should receive anti-HER2 targeted therapy was estimated...
June 2017: Journal of Global Oncology
https://www.readbyqxmd.com/read/28715775/evolution-of-anti-her2-therapies-for-cancer-treatment
#9
REVIEW
Sagun Parakh, Hui K Gan, Adam C Parslow, Ingrid J G Burvenich, Antony W Burgess, Andrew M Scott
The development of HER2-directed monoclonal antibodies and tyrosine kinase inhibitors have provided benefits to cancer patients, as well as produced many insights into the biology of the ErbB receptor family. Current therapies based on ErbB family members have resulted in improved overall survival with associated improvements in quality of life for the cancer patients that respond to treatment. Compared to monotherapy using either two antibodies to block the HER2 receptor blockade or combinatorial approaches with HER2 antibodies and standard therapies has provided additional benefits...
July 6, 2017: Cancer Treatment Reviews
https://www.readbyqxmd.com/read/28705408/superior-in-vitro-and-in-vivo-activity-of-trastuzumab-emtansine-t-dm1-in-comparison-to-trastuzumab-pertuzumab-and-their-combination-in-epithelial-ovarian-carcinoma-with-high-her2-neu-expression
#10
Gulden Menderes, Elena Bonazzoli, Stefania Bellone, Gary Altwerger, Jonathan D Black, Katherine Dugan, Francesca Pettinella, Alice Masserdotti, Francesco Riccio, Anna Bianchi, Luca Zammataro, Christopher de Haydu, Natalia Buza, Pei Hui, Serena Wong, Gloria S Huang, Babak Litkouhi, Elena Ratner, Dan-Arin Silasi, Masoud Azodi, Peter E Schwartz, Alessandro D Santin
BACKGROUND: Epithelial ovarian cancer (EOC) remains the most lethal gynecologic malignancy. The objective of this study was to compare the anti-tumor activity of HER2/neu-targeting monoclonal antibodies, trastuzumab (T), pertuzumab (P), combination of trastuzumab and pertuzumab (T+P) and trastuzumab-emtansine (T-DM1) in EOC with high HER2/neu expression. METHODS: Primary EOC cell lines were established and cell blocks were analyzed for HER2/neu expression. Cytostatic, apoptotic and antibody-dependent cell-mediated cytotoxicity (ADCC) activities of T, P, T+P and T-DM1 were evaluated in vitro...
July 10, 2017: Gynecologic Oncology
https://www.readbyqxmd.com/read/28700263/adjuvant-pertuzumab-and-trastuzumab-in-early-her2-positive-breast-cancer
#11
(no author information available yet)
No abstract text is available yet for this article.
July 12, 2017: New England Journal of Medicine
https://www.readbyqxmd.com/read/28697311/breast-cancer-treatment-induced-cardiotoxicity
#12
Samuel Martel, Christian Maurer, Matteo Lambertini, Noam Pondé, Evandro de Azambuja
Breast cancer is the most frequent cancer affecting women worlwide. In every setting, the majority of women are treated with an evergrowing arsenal of therapeutic agents that have greatly improved their outcomes. However, these therapies can also be associated with significant adverse events. Areas covered: This review aims to thoroughly describe the current state of the evidence regarding the potential cardiotoxicity of agents commonly used in the treatment of breast cancer. These include chemotherapeutic agents, anti-HER2 therapies and CDK4/6 and mTOR inhibitors...
July 11, 2017: Expert Opinion on Drug Safety
https://www.readbyqxmd.com/read/28666920/neoadjuvant-therapy-for-triple-negative-and-her2-positive-early-breast-cancer
#13
Nadia Harbeck, Oleg Gluz
Today, neoadjuvant therapy can be considered a therapy standard in triple negative (TNBC) and in HER2-positive (HER2+) (particularly in HER2+ HR-) early breast cancer (EBC). Patients with a pathological complete response (pCR) will have a very favorable outcome. In TNBC, chemotherapy with anthracyclines and taxanes is standard. Data regarding addition of bevacizumab are rather heterogeneous. Addition of carboplatin improves pCR rates independent of BRCA status; whether this will translate into a survival benefit is still unclear...
June 27, 2017: Breast: Official Journal of the European Society of Mastology
https://www.readbyqxmd.com/read/28662406/first-report-of-eribulin-in-combination-with-pertuzumab-and-trastuzumab-for-advanced-her2-positive-breast-cancer
#14
Kazuhiro Araki, Ippei Fukada, Hiroyo Yanagi, Kokoro Kobayashi, Tomoko Shibayama, Rie Horii, Shunji Takahashi, Futoshi Akiyama, Shinji Ohno, Yoshinori Ito
BACKGROUND: The efficacy and safety of continuing multiple anti-HER2 therapies in advanced breast cancer (ABC) patients remains unclear. This study investigated eribulin in combination with pertuzumab and trastuzumab for both taxane- and trastuzumab-pretreated HER2-positive ABC patients. METHODS: In a single-institute, single-arm, open-label, phase II trial, HER2-positive ABC patients who had previously received taxanes and trastuzumab were treated with eribulin in combination with pertuzumab and trastuzumab...
June 26, 2017: Breast: Official Journal of the European Society of Mastology
https://www.readbyqxmd.com/read/28625555/adjuvant-pertuzumab-improves-early-breast-cancer-outcomes
#15
Manjulika Das
No abstract text is available yet for this article.
June 15, 2017: Lancet Oncology
https://www.readbyqxmd.com/read/28615520/a-retrospective-multicentric-observational-study-of-trastuzumab-emtansine-in-her2-positive-metastatic-breast-cancer-a-real-world-experience
#16
Patrizia Vici, Laura Pizzuti, Andrea Michelotti, Isabella Sperduti, Clara Natoli, Lucia Mentuccia, Luigi Di Lauro, Domenico Sergi, Paolo Marchetti, Daniele Santini, Emanuela Magnolfi, Laura Iezzi, Luca Moscetti, Agnese Fabbri, Alessandra Cassano, Antonino Grassadonia, Claudia Omarini, Federico Piacentini, Andrea Botticelli, Ilaria Bertolini, Angelo Fedele Scinto, Germano Zampa, Maria Mauri, Loretta D'Onofrio, Valentina Sini, Maddalena Barba, Marcello Maugeri-Saccà, Ernesto Rossi, Elisabetta Landucci, Silverio Tomao, Antonio Maria Alberti, Francesco Giotta, Corrado Ficorella, Vincenzo Adamo, Antonio Russo, Vito Lorusso, Katia Cannita, Sandro Barni, Lucio Laudadio, Filippo Greco, Ornella Garrone, Marina Della Giulia, Paolo Marolla, Giuseppe Sanguineti, Barbara Di Cocco, Gennaro Ciliberto, Ruggero De Maria, Teresa Gamucci
We addressed trastuzumab emtansine (T-DM1) efficacy in HER2+ metastatic breast cancer patients treated in real-world practice, and its activity in pertuzumab-pretreated patients. We conducted a retrospective, observational study involving 23 cancer centres, and 250 patients. Survival data were analyzed by Kaplan Meier curves and log rank test. Factors testing significant in univariate analysis were tested in multivariate models. Median follow-up was 15 months and median T-DM1 treatment-length 4 months. Response rate was 41...
May 25, 2017: Oncotarget
https://www.readbyqxmd.com/read/28611541/effectiveness-of-pertuzumab-trastuzumab-and-docetaxel-combination-neoadjuvant-chemotherapy-for-her2-positive-inflammatory-breast-cancer-a-case-report
#17
Yuji Yamashita, Yuko Tanaka, Seishi Kono, Meiko Nishimura, Toru Mukohara, Yukiko Morinaga, Shigeo Hara, Shintaro Takao
BACKGROUND: Inflammatory breast cancer (IBC) is the most aggressive form of primary breast cancer. CASE REPORT: A 40-year-old woman was referred to our hospital for evaluation of an induration in the right breast, suspected to be breast cancer. The tumor was diagnosed as estrogen receptor-negative, progesterone receptor-negative, HER2-positive, T4dN3cM0 stage IIIc IBC with axillary lymph node metastasis. Rather than surgical intervention, we chose a systemic treatment approach with pertuzumab, trastuzumab, and docetaxel (PTD) combination therapy which was shown to be effective for HER2-positive IBC in the NeoSphere trial...
March 2017: Breast Care
https://www.readbyqxmd.com/read/28592618/efficacy-and-safety-of-pertuzumab-and-trastuzumab-administered-in-a-single-infusion-bag-followed-by-vinorelbine-velvet-cohort-2-final-results
#18
Michael Andersson, José M López-Vega, Thierry Petit, Claudio Zamagni, Valerie Easton, Julia Kamber, Eleonora Restuccia, Edith A Perez
BACKGROUND: VELVET Cohort 1 demonstrated the applicability of pertuzumab, trastuzumab, and vinorelbine as an alternative first-line treatment regimen for patients with HER2-positive locally advanced or metastatic breast cancer (MBC) who cannot receive docetaxel. Co-infusion of pertuzumab and trastuzumab may reduce clinic time and medical resource utilization. We report results from Cohort 2, in which pertuzumab and trastuzumab were co-infused, followed by vinorelbine. PATIENTS AND METHODS: During cycle 1, patients with HER2-positive locally advanced or MBC received loading doses of pertuzumab (840 mg) and trastuzumab (8 mg/kg) on consecutive days, followed by vinorelbine (25 mg/m(2)) on days two and nine...
June 7, 2017: Oncologist
https://www.readbyqxmd.com/read/28588061/dual-her2-blockade-helps-prevent-breast-cancer-return
#19
(no author information available yet)
Adding pertuzumab to an adjuvant regimen of trastuzumab for women with early-stage HER2(+) breast cancer reduces the risk of disease recurrence, especially among those with node-positive and hormone receptor-negative disease. Results from the phase III APHINITY trial, which could help pertuzumab earn full approval for this indication, were presented at the 2017 American Society of Clinical Oncology Annual Meeting.
June 6, 2017: Cancer Discovery
https://www.readbyqxmd.com/read/28581356/adjuvant-pertuzumab-and-trastuzumab-in-early-her2-positive-breast-cancer
#20
RANDOMIZED CONTROLLED TRIAL
Gunter von Minckwitz, Marion Procter, Evandro de Azambuja, Dimitrios Zardavas, Mark Benyunes, Giuseppe Viale, Thomas Suter, Amal Arahmani, Nathalie Rouchet, Emma Clark, Adam Knott, Istvan Lang, Christelle Levy, Denise A Yardley, Jose Bines, Richard D Gelber, Martine Piccart, Jose Baselga
BACKGROUND: Pertuzumab increases the rate of pathological complete response in the preoperative context and increases overall survival among patients with metastatic disease when it is added to trastuzumab and chemotherapy for the treatment of human epidermal growth factor receptor 2 (HER2)-positive breast cancer. In this trial, we investigated whether pertuzumab, when added to adjuvant trastuzumab and chemotherapy, improves outcomes among patients with HER2-positive early breast cancer...
July 13, 2017: New England Journal of Medicine
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