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https://www.readbyqxmd.com/read/28711312/radium-223-in-the-therapeutic-sequence-of-metastatic-castration-resistant-prostate-cancer
#1
M Unda-Urzaiz, R Sousa-Campo, A Rodríguez-Antolín, C Silva-Marins, A Juárez-Soto, B Miñana-López, A Figueiredo-de Castro, J M Cozar-Olmos
CONTEXT: Radium-223 is an □ -particle transmitter with specific action on bone metastases. The Alpharadin in Symptomatic Prostate Cancer Patients (ALSYMPCA) study showed that radium-223 extended overall survival and delayed the onset of bone events in patients with symptomatic castration-resistant prostate cancer with bone metastases (mCRPC) and without visceral metastases, with a good safety profile. OBJECTIVE: To review the new scientific evidence on radium-223 based on prespecified and post-hoc analyses of the ALSYMPCA study and on early-access programs after the publication of the ALSYMPCA study, thereby providing new data on the management of patients with mCRPC...
July 12, 2017: Actas Urologicas Españolas
https://www.readbyqxmd.com/read/28670496/resistance-to-cancer-chemotherapeutic-drugs-is-determined-by-pivotal-microrna-regulators
#2
Marta Geretto, Alessandra Pulliero, Camillo Rosano, Dinara Zhabayeva, Rakhmet Bersimbaev, Alberto Izzotti
Chemo-resistance, which is the main obstacle in cancer therapy, is caused by the onset of drug-resistant cells in the heterogeneous cell population in cancer tissues. MicroRNAs regulate gene expression at the post-transcriptional level, and they are involved in many different biological processes, including cell proliferation, differentiation, metabolism, stress response, and apoptosis. The aberrant expression of microRNAs plays a major pathogenic role from the early stages of the carcinogenesis process. Recently, microRNAs have been reported to play an important role in inducing resistance to anti-cancer drugs...
2017: American Journal of Cancer Research
https://www.readbyqxmd.com/read/28632486/randomized-noncomparative-phase-ii-trial-of-early-switch-from-docetaxel-to-cabazitaxel-or-vice-versa-with-integrated-biomarker-analysis-in-men-with-chemotherapy-na%C3%A3-ve-metastatic-castration-resistant-prostate-cancer
#3
Emmanuel S Antonarakis, Scott T Tagawa, Giuseppe Galletti, Daniel Worroll, Karla Ballman, Marie Vanhuyse, Guru Sonpavde, Scott North, Costantine Albany, Che-Kai Tsao, John Stewart, Atef Zaher, Ted Szatrowski, Wei Zhou, Ada Gjyrezi, Shinsuke Tasaki, Luigi Portella, Yang Bai, Timothy B Lannin, Shalu Suri, Conor N Gruber, Erica D Pratt, Brian J Kirby, Mario A Eisenberger, David M Nanus, Fred Saad, Paraskevi Giannakakou
Purpose The TAXYNERGY trial ( ClinicalTrials.gov identifier: NCT01718353) evaluated clinical benefit from early taxane switch and circulating tumor cell (CTC) biomarkers to interrogate mechanisms of sensitivity or resistance to taxanes in men with chemotherapy-naïve, metastatic, castration-resistant prostate cancer. Patients and Methods Patients were randomly assigned 2:1 to docetaxel or cabazitaxel. Men who did not achieve ≥ 30% prostate-specific antigen (PSA) decline by cycle 4 (C4) switched taxane. The primary clinical endpoint was confirmed ≥ 50% PSA decline versus historical control (TAX327)...
June 20, 2017: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
https://www.readbyqxmd.com/read/28612225/prolonged-survival-in-patients-with-breast-cancer-and-a-history-of-brain-metastases-results-of-a-preplanned-subgroup-analysis-from-the-randomized-phase-iii-beacon-trial
#4
Javier Cortés, Hope S Rugo, Ahmad Awada, Chris Twelves, Edith A Perez, Seock-Ah Im, Patricia Gómez-Pardo, Lee S Schwartzberg, Veronique Diéras, Denise A Yardley, David A Potter, Audrey Mailliez, Alvaro Moreno-Aspitia, Jin-Seok Ahn, Carol Zhao, Ute Hoch, Mary Tagliaferri, Alison L Hannah, Joyce O'Shaughnessy
PURPOSE: Conventional chemotherapy has limited activity in patients with breast cancer and brain metastases (BCBM). Etirinotecan pegol (EP), a novel long-acting topoisomerase-1 inhibitor, was designed using advanced polymer technology to preferentially accumulate in tumor tissue including brain metastases, providing sustained cytotoxic SN38 levels. METHODS: The phase 3 BEACON trial enrolled 852 women with heavily pretreated locally recurrent or metastatic breast cancer between 2011 and 2013...
June 13, 2017: Breast Cancer Research and Treatment
https://www.readbyqxmd.com/read/28604117/efficacy-and-safety-of-post-docetaxel-therapies-in-metastatic-castrate-resistant-prostate-cancer-a-systematic-review-of-the-literature
#5
Nicholas Summers, Jacqueline Vanderpuye-Orgle, Marcia Reinhart, Meghan Gallagher, Oliver Sartor
OBJECTIVE: Prostate cancer is a highly prevalent form of cancer in older men and is one of the leading causes of death from cancer in men across the globe. Many therapeutic agents have been approved for patients with metastatic castrate-resistant prostate cancer (mCRPC), particularly as a post-docetaxel treatment strategy. The objective of this systematic literature review was to assess published efficacy and safety data for select mCRPC therapies - such as abiraterone, cabazitaxel, and enzalutamide - in the post-docetaxel setting...
June 12, 2017: Current Medical Research and Opinion
https://www.readbyqxmd.com/read/28599178/study-of-small-cell-lung-cancer-cell-based-sensor-and-its-applications-in-chemotherapy-effects-rapid-evaluation-for-anticancer-drugs
#6
Hui Guohua, Lu Hongyang, Jiang Zhiming, Zhu Danhua, Wan Haifang
Small cell lung cancer (SCLC) is a smoking-related cancer disease. Despite improvement in clinical survival, SCLC outcome remains extremely poor. Cisplatin (DDP) is the first-line chemotherapy drug for SCLC, but the choice of second-line chemotherapy drugs is not clear. In this paper, a SCLC cell-based sensor was proposed, and its applications in chemotherapy effects rapid evaluation for anticancer drugs were investigated. SCLC cell lines lung adenocarcinoma cell (LTEP-P) and DDP-resistant lung adenocarcinoma cell (LTEP-P/DDP-1...
May 31, 2017: Biosensors & Bioelectronics
https://www.readbyqxmd.com/read/28574851/crgd-installed-docetaxel-loaded-mertansine-prodrug-micelles-redox-triggered-ratiometric-dual-drug-release-and-targeted-synergistic-treatment-of-b16f10-melanoma
#7
Ping Zhong, Min Qiu, Jian Zhang, Huanli Sun, Ru Cheng, Chao Deng, Fenghua Meng, Zhiyuan Zhong
The combinatorial chemotherapy that has emerged as a promising treatment modality for intractable cancers is challenged by lack of tumor-targeting, robust and ratiometric dual drug release systems. Here, docetaxel-loaded cRGD peptide-decorated redox-activable micellar mertansine prodrug (DTX-cRGD-MMP) was developed for targeted and synergistic treatment of B16F10 melanoma-bearing C57BL/6 mice. DTX-cRGD-MMP exhibited a small size of ca. 49 nm, high DTX and DM1 loading, low drug leakage under physiological conditions, while rapid release of both DTX and DM1 under a cytoplasmic reductive environment...
June 2, 2017: Nanotechnology
https://www.readbyqxmd.com/read/28528300/treating-metastatic-triple-negative-breast-cancer-with-cd44-neuropilin-dual-molecular-targets-of-multifunctional-nanoparticles
#8
De-Sheng Liang, Wen-Jie Zhang, Ai-Ting Wang, Hai-Tao Su, Hai-Jun Zhong, Xian-Rong Qi
Metastasis of cancer makes up the vast majority of cancer-related deaths, and it usually initiates from tumor cells invasiveness and develops through tumor neovasculature. In this work, we have fabricated a CD44/neuropilin dual receptor-targeting nanoparticulate system (tLyP-1-HT NPs) with endogenous or FDA approved components for treating metastatic triple negative breast cancer (TNBC). The enhanced specific targeting of tLyP-1-HT NPs to both metastatic tumor cells and metastasis-supporting tumor neovasculature was contributed by means of CD44/neuropilin dual receptor-mediated interaction...
May 13, 2017: Biomaterials
https://www.readbyqxmd.com/read/28526418/prevalence-of-measurable-disease-in-metastatic-castration-resistant-prostate-cancer
#9
Guru Sonpavde, Ankit Madan, Mary K Baker, Jori E May, Gurudatta Naik, Sejong Bae
BACKGROUND: Because of the low historical prevalence of measurable disease in metastatic castration-resistant prostate cancer (mCRPC), phase II trials have used prostate-specific antigen (PSA) and bone scan changes as primary end points. Frequent whole-body imaging and improved computed tomography technology currently identify measurable disease more frequently, warranting consideration of objective response as a major end point. PATIENTS AND METHODS: Data from reported phase III trials of mCRPC were analyzed...
April 26, 2017: Clinical Genitourinary Cancer
https://www.readbyqxmd.com/read/28502694/phase-ii-trial-of-the-pi3-kinase-inhibitor-buparlisib-bkm-120-with-or-without-enzalutamide-in-men-with-metastatic-castration-resistant-prostate-cancer
#10
Andrew J Armstrong, Susan Halabi, Patrick Healy, Joshi J Alumkal, Carolyn Winters, Julie Kephart, Rhonda L Bitting, Carey Hobbs, Colleen F Soleau, Tomasz M Beer, Rachel Slottke, Kelly Mundy, Evan Y Yu, Daniel J George
BACKGROUND: Phosphatidylinositol-3-kinase (PI3K) and androgen receptor pathway activation is common in metastatic castration resistant prostate cancer (mCRPC). Buparlisib is an oral, pan-class I PI3 kinase inhibitor. METHODS: This was a multisite single arm phase II trial of buparlisib 100 mg ± enzalutamide daily in men with mCRPC whose disease progressed on or who were not candidates for docetaxel. The primary end-point was the rate of radiographic/clinical progression-free survival (PFS) at 6 months...
August 2017: European Journal of Cancer
https://www.readbyqxmd.com/read/28472366/androgen-receptor-gene-status-in-plasma-dna-associates-with-worse-outcome-on-enzalutamide-or-abiraterone-for-castration-resistant-prostate-cancer-a-multi-institution-correlative-biomarker-study
#11
V Conteduca, D Wetterskog, M T A Sharabiani, E Grande, M P Fernandez-Perez, A Jayaram, S Salvi, D Castellano, A Romanel, C Lolli, V Casadio, G Gurioli, D Amadori, A Font, S Vazquez-Estevez, A González Del Alba, B Mellado, O Fernandez-Calvo, M J Méndez-Vidal, M A Climent, I Duran, E Gallardo, A Rodriguez, C Santander, M I Sáez, J Puente, D Gasi Tandefelt, A Wingate, D Dearnaley, F Demichelis, U De Giorgi, E Gonzalez-Billalabeitia, G Attard
Background: There is an urgent need to identify biomarkers to guide personalized therapy in castration-resistant prostate cancer (CRPC). We aimed to clinically qualify androgen receptor (AR) gene status measurement in plasma DNA using multiplex droplet digital PCR (ddPCR) in pre- and post-chemotherapy CRPC. Methods: We optimized ddPCR assays for AR copy number and mutations and retrospectively analyzed plasma DNA from patients recruited to one of the three biomarker protocols with prospectively collected clinical data...
May 3, 2017: Annals of Oncology: Official Journal of the European Society for Medical Oncology
https://www.readbyqxmd.com/read/28448662/effect-of-neoadjuvant-chemotherapy-followed-by-surgical-resection-on-survival-in-patients-with-limited-metastatic-gastric-or-gastroesophageal-junction-cancer-the-aio-flot3-trial
#12
Salah-Eddin Al-Batran, Nils Homann, Claudia Pauligk, Gerald Illerhaus, Uwe M Martens, Jan Stoehlmacher, Harald Schmalenberg, Kim B Luley, Nicole Prasnikar, Matthias Egger, Stephan Probst, Helmut Messmann, Markus Moehler, Wolfgang Fischbach, Jörg T Hartmann, Frank Mayer, Heinz-Gert Höffkes, Michael Koenigsmann, Dirk Arnold, Thomas W Kraus, Kersten Grimm, Stefan Berkhoff, Stefan Post, Elke Jäger, Wolf Bechstein, Ulrich Ronellenfitsch, Stefan Mönig, Ralf D Hofheinz
Importance: Surgical resection has a potential benefit for patients with metastatic adenocarcinoma of the stomach and gastroesophageal junction. Objective: To evaluate outcome in patients with limited metastatic disease who receive chemotherapy first and proceed to surgical resection. Design, Setting, and Participants: The AIO-FLOT3 (Arbeitsgemeinschaft Internistische Onkologie-fluorouracil, leucovorin, oxaliplatin, and docetaxel) trial is a prospective, phase 2 trial of 252 patients with resectable or metastatic gastric or gastroesophageal junction adenocarcinoma...
April 27, 2017: JAMA Oncology
https://www.readbyqxmd.com/read/28427521/management-of-metastatic-castration-resistant-prostate-cancer-a-focus-on-radium-223-opinions-and-suggestions-from-an-expert-multidisciplinary-panel
#13
REVIEW
Sergio Baldari, Giuseppe Boni, Roberto Bortolus, Orazio Caffo, Giario Conti, Giuseppe De Vincentis, Fabio Monari, Giuseppe Procopio, Daniele Santini, Ettore Seregni, Riccardo Valdagni
Radium-223, a calcium mimetic bone-seeking radionuclide that selectively targets bone metastases with alpha particles, is approved for the treatment of men with metastatic castration-resistant prostate cancer (mCRPC) and symptomatic bone metastases. In patients with mCRPC, treatment with radium-223 has been associated with survival benefit, regardless of prior docetaxel use, and also has a positive impact on symptomatic skeletal events and quality of life. Radium-223 is best suited for patients with symptomatic mCRPC and bone-predominant disease and no visceral metastases, and may lead to better outcomes when given early in the course of the disease...
May 2017: Critical Reviews in Oncology/hematology
https://www.readbyqxmd.com/read/28380484/post-progression-survival-associated-with-overall-survival-in-patients-with-advanced-non-small-cell-lung-cancer-receiving-docetaxel-monotherapy-as-second-line-chemotherapy
#14
Mie Kotake, Yosuke Miura, Hisao Imai, Keita Mori, Reiko Sakurai, Kyoichi Kaira, Yoshio Tomizawa, Koichi Minato, Ryusei Saito, Takeshi Hisada
BACKGROUND: In patients with non-small-cell lung cancer (NSCLC), the effects of second-line chemotherapy on overall survival (OS) might be confounded by subsequent therapies. Therefore, using individual-level data, we aimed to determine the relationships between progression-free survival (PFS) and post-progression survival (PPS) with OS in patients with advanced NSCLC treated with docetaxel monotherapy as second-line chemotherapy. METHODS: Between April 2002 and December 2014, data from 86 patients with advanced NSCLC who underwent second-line docetaxel monotherapy following first-line treatment with platinum combination chemotherapy were analyzed...
2017: Chemotherapy
https://www.readbyqxmd.com/read/28350065/high-stathmin%C3%A2-1-expression-is-associated-with-poor-prognosis-and-chemoradiation-resistance-in-esophageal-squamous-cell-carcinoma
#15
Shigemasa Suzuki, Takehiko Yokobori, Bolag Altan, Keigo Hara, Daigo Ozawa, Naritaka Tanaka, Makoto Sakai, Akihiko Sano, Makoto Sohda, Halin Bao, Minoru Fukuchi, Tatsuya Miyazaki, Kyoichi Kaira, Takayuki Asao, Hiroyuki Kuwano
Stathmin 1 (STMN1) is a major cytosolic phosphoprotein regulating microtubule dynamics, thereby playing an important role in cancer progression and resistance to microtubule-binding anticancer agents. We assessed the prognostic significance of STMN1 expression and STMN1-associated resistance to docetaxel and radiation in esophageal squamous cell carcinoma (ESCC) patients. STMN1 expression was evaluated by immunohistochemistry in 172 surgical specimens. The association of STMN1 expression with chemoradiation resistance using docetaxel was examined by comparing expression in 15 biopsy specimens obtained before neoadjuvant therapy to histological grades of post-therapy surgically resected tumors...
March 7, 2017: International Journal of Oncology
https://www.readbyqxmd.com/read/28341062/the-effect-of-post-mastectomy-radiation-in-women-with-one-to-three-positive-nodes-enrolled-on-the-control-arm-of-bcirg-005-at-ten-year-follow-up
#16
Moses M Tam, S Peter Wu, Carmen Perez, Naamit Kurshan Gerber
BACKGROUND AND PURPOSE: We evaluated the effect of post-mastectomy radiation (PMRT) in 1-3 positive lymph nodes (LN) in patients who received uniform modern systemic therapy. MATERIALS AND METHODS: Cohort study using individual data collected for 1,649 node-positive women who received doxorubicin/cyclophosphamide with sequential docetaxel in 2000-2003 on the control arm of BCIRG-005. All women underwent mastectomy or lumpectomy and axillary LN dissection. PMRT was given at investigator's discretion...
April 2017: Radiotherapy and Oncology: Journal of the European Society for Therapeutic Radiology and Oncology
https://www.readbyqxmd.com/read/28334734/multinucleated-polyploidy-drives-resistance-to-docetaxel-chemotherapy-in-prostate-cancer
#17
Karuna Mittal, Shashi Donthamsetty, Ramneet Kaur, Chunhua Yang, Meenakshi V Gupta, Michelle D Reid, Da Hoon Choi, Padmashree C G Rida, Ritu Aneja
BACKGROUND: Docetaxel is the only FDA-approved first-line treatment for castration-resistant prostate cancer (CRPC) patients. Docetaxel treatment inevitably leads to tumour recurrence after an initial therapeutic response with generation of multinucleated polyploid (MP) cells. Here we investigated role of MP cells in clinical relapse of CRPC. METHODS: Prostate cancer (PC-3) cells were treated with docetaxel (5 nM) for 3 days followed by a washout and samples were collected at close intervals over 35 days post drug washout...
April 25, 2017: British Journal of Cancer
https://www.readbyqxmd.com/read/28323339/adjuvant-radiation-therapy-androgen-deprivation-and-docetaxel-for-high-risk-prostate-cancer-postprostatectomy-results-of-nrg-oncology-rtog-study-0621
#18
Mark D Hurwitz, Jonathan Harris, Oliver Sartor, Ying Xiao, Bobby Shayegan, Paul W Sperduto, Kasra R Badiozamani, Colleen A F Lawton, Eric M Horwitz, Jeff M Michalski, Kevin Roof, David C Beyer, Qiang Zhang, Howard M Sandler
BACKGROUND: Phase 3 trials have demonstrated a benefit from adjuvant radiation therapy (ART) for men who have adverse factors at radical prostatectomy (RP). However, some patients have a high risk of progression despite ART. The role of systemic therapy with ART in this high-risk group remains to be defined. METHODS: Patients who had either a post-RP prostate-specific antigen (PSA) nadir > 0.2 ng/mL and a Gleason score ≥7 or a PSA nadir ≤0.2 ng/mL, a Gleason score ≥8, and a pathologic tumor (pT) classification ≥ pT3 received 6 months of androgen-deprivation therapy (ADT) plus radiotherapy and 6 cycles of docetaxel...
July 1, 2017: Cancer
https://www.readbyqxmd.com/read/28315293/phase-ii-trial-of-intensity-modulated-radiotherapy-concurrent-with-chemotherapy-for-postoperative-node-positive-esophageal-squamous-cell-carcinoma
#19
Hua Tao, Yiqin Zhou, Chengyun Yao, Dayong Gu, Wei Chen, Jincheng Lu
The aim of this article is to evaluate the efficacy and toxicity of intensity-modulated radiotherapy concurrent with weekly docetaxel in patients with node-positive esophageal squamous cell carcinoma after radical surgery. Between January 2011 and December 2013, a total of 46 eligible patients were planned for enrollment. All the patients received intensity-modulated radiotherapy concurrent with weekly docetaxel (20 mg/m(2)). Patients were treated 5 days per week at 2.0 Gy/d. The total dose of external radiotherapy given was 50 Gy in 25 fractions...
March 8, 2017: Oncology Research
https://www.readbyqxmd.com/read/28300564/contrasting-roles-of-the-abcg2-q141k-variant-in-prostate-cancer
#20
Kathryn M Sobek, Jessica L Cummings, Dean J Bacich, Denise S O'Keefe
ABCG2 is a membrane transport protein that effluxes growth-promoting molecules, such as folates and dihydrotestosterone, as well as chemotherapeutic agents. Therefore it is important to determine how variants of ABCG2 affect the transporter function in order to determine whether modified treatment regimens may be necessary for patients harboring ABCG2 variants. Previous studies have demonstrated an association between the ABCG2 Q141K variant and overall survival after a prostate cancer diagnosis. We report here that in patients with recurrent prostate cancer, those who carry the ABCG2 Q141K variant had a significantly shorter time to PSA recurrence post-prostatectomy than patients homozygous for wild-type ABCG2 (P=0...
May 1, 2017: Experimental Cell Research
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