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triplet therapie

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https://www.readbyqxmd.com/read/28991441/electrochemical-spectroscopic-and-1-o2-sensitization-characteristics-of-synthetically-accessible-linear-tetrapyrrole-complexes-of-palladium-and-platinum
#1
Andrea M Potocny, Allen J Pistner, Glenn P A Yap, Joel Rosenthal
The synthesis, electrochemistry, and photophysical characterization of a 10,10-dimethyl-5,15-bis(pentafluorophenyl)biladiene (DMBil1) linear tetrapyrrole supporting Pd(II) or Pt(II) centers is presented. Both of these nonmacrocyclic tetrapyrrole platforms are robust and easily prepared via modular routes. X-ray diffraction experiments reveal that the Pd[DMBil1] and Pt[DMBil1] complexes adopt similar structures and incorporate a single Pd(II) and Pt(II) center, respectively. Additionally, electrochemical experiments revealed that both Pd[DMBil1] and Pt[DMBil1] can undergo two discrete oxidation and reduction processes...
October 9, 2017: Inorganic Chemistry
https://www.readbyqxmd.com/read/28957942/purification-and-characterization-of-a-new-highly-pure-double-virus-inactivated-von-willebrand-factor-concentrate
#2
Filippo Mori, Marcella Maddaluno, Claudio Farina
: Desmopressin-unresponsive von Willebrand disease patients are treated with substitutive therapy, with both pure von Willebrand factor (vWF) and factor VIII/vWF concentrates. We developed a new purification process, easily scalable to industrial level, to obtain a double virus inactivated highly pure vWF. VWF was purified starting from a waste fraction of already in use human plasma-derived factor VIII manufacturing procedure, using only one anionic-exchange chromatographic step. After chromatography, the product was dialyzed, lyophilized, and heat treated...
September 27, 2017: Blood Coagulation & Fibrinolysis: An International Journal in Haemostasis and Thrombosis
https://www.readbyqxmd.com/read/28948001/emerging-drugs-and-combinations-to-treat-multiple-myeloma
#3
REVIEW
Alessandra Larocca, Roberto Mina, Francesca Gay, Sara Bringhen, Mario Boccadoro
In the past few years, multiple targeted therapies and immunotherapies including second generation immunomodulatory drugs (pomalidomide) and proteasome inhibitors (carfilzomib, ixazomib), monoclonal antibodies and checkpoint inhibitors were approved for the treatment of myeloma or entered advanced phases of clinical testing. These agents showed significant activity in advanced myeloma and increased the available treatment strategies. Pomalidomide is well-tolerated and effective in patients with relapsed/refractory multiple myeloma who have exhausted any possible treatment with lenalidomide and bortezomib...
September 1, 2017: Oncotarget
https://www.readbyqxmd.com/read/28925369/generation-of-a-gene-corrected-isogenic-control-ipsc-line-from-cystic-fibrosis-patient-specific-ipscs-homozygous-for-p-phe508del-mutation-mediated-by-talens-and-ssodn
#4
Sylvia Merkert, Christien Bednarski, Gudrun Göhring, Toni Cathomen, Ulrich Martin
Cystic fibrosis (CF) is a monogenetic disease caused by mutations in the cystic fibrosis transmembrane conductance regulator (CFTR) gene, which affects multiple organs. Human induced pluripotent stem cells (iPSCs) derived from CF patients and the generation of isogeneic gene-corrected control cell lines enable disease modelling, drug discovery or toxicological studies and therefore the development of CF patient-specific therapies. We have previously generated a hiPSC line from a CF patient homozygous for the p...
August 2017: Stem Cell Research
https://www.readbyqxmd.com/read/28917269/triplet-folfoxiri-versus-doublet-folfox-or-folfiri-backbone-chemotherapy-as-first-line-treatment-of-metastatic-colorectal-cancer-a-systematic-review-and-meta-analysis
#5
REVIEW
Rui Pedro Marques, Gonçalo S Duarte, Carmelo Sterrantino, Helena Luna Pais, António Quintela, Ana Paula Martins, João Costa
Uncertainty exists regarding the comparative effectiveness of triplet chemotherapy (FOLFOXIRI) as backbone first-line chemotherapy for metastatic colorectal cancer (mCRC). We conducted a systematic review and meta-analysis of randomized-controlled trials (RCTs) comparing triplet versus doublet chemotherapy (FOLFOX or FOLFIRI) as first-line therapy in mCRC. Methods and reporting followed PRISMA and SAMPL guidelines. Eight RCTs were included, comprising 1732 patients. In pooled analysis, FOLFOXIRI was associated with improvements in efficacy outcomes, notably with a 25% survival increase (95%CI: 10-37%)...
October 2017: Critical Reviews in Oncology/hematology
https://www.readbyqxmd.com/read/28900499/profiling-chemotherapy-associated-myelotoxicity-among-chinese-gastric-cancer-population-receiving-cytotoxic-conventional-regimens-epidemiological-features-timing-predictors-and-clinical-impacts
#6
Ci Zhu, Yan Wang, Xicheng Wang, Chunmei Bai, Dan Su, Bing Cao, Jianming Xu
Objectives: We aim to evaluate the epidemiological features, timing, predictors and clinical impacts of chemotherapy-associated myelotoxicity in Chinese gastric cancer population receiving six established cytotoxic conventional regimens (CF/XP, EC(O)F/EC(O)X, DC(O)F/DC(O)X, PC(O)F/PC(O)X, FOLFOX4, or mFOLFOX7/XELOX). Patients and methods: A 4-year multicenter, prospective, observational study was conducted in multiple hospitals/institutes spanning three major regions in China. A total of 1,285 patients with gastric cancer, treated with six selected regimens between 2010 and 2014 were included...
2017: Journal of Cancer
https://www.readbyqxmd.com/read/28868533/pet-based-bisbodipy-photosensitizers-for-highly-efficient-excited-triplet-state-and-singlet-oxygen-generation-tuning-photosensitizing-ability-by-dihedral-angles
#7
Xian-Fu Zhang, Xudong Yang, Baomin Xu
Herein, four covalent BODIPY heterodimers that differ by dihedral angles were shown to be highly efficient excited triplet state (T1) photosensitizers (PSs) for singlet oxygen formation with a quantum yield (ΦΔ) of up to 0.94 as compared to their respective monomers, which had only negligible ΦΔ of ca. 0.060. More interestingly, these PSs generate T1via charge recombination mechanism rather than traditional inter-system crossing. The photosensitizing ability of dimers is easily tuned by either the dihedral angle (between the two linked BODIPYs) or solvent polarity...
September 20, 2017: Physical Chemistry Chemical Physics: PCCP
https://www.readbyqxmd.com/read/28860711/pomalidomide-in-the-treatment-of-multiple-myeloma-design-development-and-place-in-therapy
#8
REVIEW
Rafael Ríos-Tamayo, Agustín Martín-García, Carolina Alarcón-Payer, Dolores Sánchez-Rodríguez, Ana María Del Valle Díaz de la Guardia, Carlos Gustavo García Collado, Alberto Jiménez Morales, Manuel Jurado Chacón, José Cabeza Barrera
Multiple myeloma is a very heterogeneous disease with variable survival. Despite recent progress and the widespread use of new agents, patients with relapsed and refractory disease have a poor outcome. Immunomodulatory drugs play a key role in both the front-line and the relapsed/refractory setting. The combination of pomalidomide (POM) and dexamethasone is safe and effective in relapsed and refractory patients, even in those with high-risk cytogenetic features. Furthermore, it can be used in most patients without the need to adjust according to the degree of renal failure...
2017: Drug Design, Development and Therapy
https://www.readbyqxmd.com/read/28859367/failure-of-neoadjuvant-chemotherapy-for-resectable-esophageal-squamous-cell-carcinoma
#9
A Okamura, M Watanabe, S Mine, T Kurogochi, K Yamashita, M Hayami, Y Imamura, M Ogura, T Ichimura, D Takahari, K Chin
Neoadjuvant treatment has become standard care for patients with resectable esophageal cancer. However, some patients cannot undergo surgery or curative resection because of disease progression during neoadjuvant treatment. The aim of this study is to identify the pretreatment characteristics of patients in whom neoadjuvant treatment failed. The study enrolled 231 patients who underwent chemotherapy with cisplatin and 5-fluorouracil (CF) as neoadjuvant therapy for T1N1-3 or T2-3 any-N esophageal squamous cell carcinoma (ESCC)...
September 1, 2017: Diseases of the Esophagus: Official Journal of the International Society for Diseases of the Esophagus
https://www.readbyqxmd.com/read/28845910/successful-eradication-of-helicobacter-pylori-with-a-herbal-medicine-goshuyuto-wu-zhu-yu-tang-plus-rabeprazole-after-failure-of-triplet-therapy-with-vonoprazan-a-report-of-three-cases
#10
Yutaka Nagata, Kazuhiko Nagasaka, Syunpei Koyama, Mai Murase, Minoru Saito, Toshinori Yazaki, Nobutoshi Komatsu, Takayuki Murase, Toshiki Uehara, Norihide Taniuchi
Vonoprazan, a potassium-competitive acid blocker, is used as a substitute drug for conventional proton pump inhibitors. Recently, vonoprazan has been applied for eradication of H. pylori (HP) infection, and the efficacies of vonoprazan-based triple therapy against HP infection have already been reported. However, treatment sometimes fails in the primary and/or secondary triplet eradication therapy, including with the use of vonoprazan for HP infection. We experienced three cases of refractory HP infection. They were treated with eradication therapy for HP infection with chronic gastritis...
August 28, 2017: Journal of Digestive Diseases
https://www.readbyqxmd.com/read/28833305/factors-associated-with-second-line-triplet-therapy-in-routine-care-in-relapsed-refractory-multiple-myeloma
#11
P Hari, D Romanus, H J Henk, L K Becker, S J Noga, V A Morrison
WHAT IS KNOWN AND OBJECTIVE: Second-line therapy (SLT) trials in relapsed/refractory multiple myeloma (RRMM) report superior outcomes with triplet combinations. We sought to determine factors associated with triplet SLT in routine practice. METHODS: A retrospective cohort with claims for MM between 01/01/2008 and 03/31/2015 was grouped by 1-2 ("doublet") or 3+ ("triplet") agent therapy. Charlson comorbidity index (CCI) and disability status; CRAB symptoms (hypercalcaemia, renal/bone disease, anaemia); and relapse risk were determined...
August 17, 2017: Journal of Clinical Pharmacy and Therapeutics
https://www.readbyqxmd.com/read/28828905/the-activity-and-safety-of-novel-proteasome-inhibitors-strategies-single-doublet-and-triplet-for-relapsed-refractory-multiple-myeloma
#12
Huanwen Ma, Zheng Su, Fengqiang Sun, Ningning Zhao
PURPOSE: We sought to evaluate the activity and safety of these novel proteasome inhibitors (PIs) (carfilzomib, ixazomib, oprozomib and marizomib) containing regimens (single, doublet and triplet) for relapsed/refractory multiple myeloma (R/RMM). METHODS: We searched published reports including these novel PIs containing regimens for R/RMM. RESULTS: Finally, we identified 28 prospective studies that evaluated 4123 patients. Pooled analysis showed that novel PIs doublet combinations attained an impressive overall response rate (ORR) of 67%, which was higher than that of 22% from novel PIs single-agent (p < ...
August 22, 2017: Acta Oncologica
https://www.readbyqxmd.com/read/28820528/deciphering-the-photosensitization-mechanisms-of-hypericin-towards-biological-membranes
#13
Hugo Gattuso, Marco Marazzi, François Dehez, Antonio Monari
Resorting to state-of-the art molecular modeling and simulation techniques we provide full characterization of the photophysical properties of the naturally occurring hypericin chromophore, currently used in photodynamic therapy. In particular, we reveal the different photophysical pathways leading to intersystem-crossing and hence, triplet manifold population that is necessary for the subsequent production of singlet oxygen. In particular we identify an extended region of quasi-degeneracy between the first singlet excited state and three triplet state surfaces...
August 18, 2017: Physical Chemistry Chemical Physics: PCCP
https://www.readbyqxmd.com/read/28817838/pharmacogenetic-determinants-of-outcomes-on-triplet-hepatic-artery-infusion-and-intravenous-cetuximab-for-liver-metastases-from-colorectal-cancer-european-trial-optiliv-nct00852228
#14
Francis Lévi, Abdoulaye Karaboué, Raphaël Saffroy, Christophe Desterke, Valerie Boige, Denis Smith, Mohamed Hebbar, Pasquale Innominato, Julien Taieb, Carlos Carvalho, Rosine Guimbaud, Christian Focan, Mohamed Bouchahda, René Adam, Michel Ducreux, Gérard Milano, Antoinette Lemoine
BACKGROUND: The hepatic artery infusion (HAI) of irinotecan, oxaliplatin and 5-fluorouracil with intravenous cetuximab achieved outstanding efficacy in previously treated patients with initially unresectable liver metastases from colorectal cancer. This planned study aimed at the identification of pharmacogenetic predictors of outcomes. METHODS: Circulating mononuclear cells were analysed for 207 single-nucleotide polymorphisms (SNPs) from 34 pharmacology genes...
September 26, 2017: British Journal of Cancer
https://www.readbyqxmd.com/read/28768450/outcome-of-dichorionic-triamniotic-triplet-the-experience-from-an-emerging-fetal-therapy-center
#15
Luming Sun, Gang Zou, Fenhe Zhou, Yingjun Yang, Dick Oepkes, Tao Duan
OBJECTIVES: To report a cohort of dichorionic triamniotic (DCTA) triplets with access to contemporary fetal interventions. DESIGN: Prospective study. SETTING: A regional referral center for the diagnosis and management of complicated multiple pregnancies. POPULATION: All DCTA triplets receiving consultation and prenatal care at our center from 2010 to 2015. METHODS: The following management alternatives for DCTA were offered: 1) expectant management; 2) reduction of 1 or 2 fetus of the monochorionic component using radio frequency ablation (RFA) after 16 weeks or potassium chloride (KCL) before 16 weeks, respectively; 3) reduction of the isolated fetus using KCL before 16 weeks...
August 3, 2017: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/28766008/concurrent-paclitaxel-capecitabine-mitomycin-c-and-pelvic-radiation-therapy-for-patients-with-squamous-cell-anal-carcinoma
#16
Sergey S Gordeyev, Arsen O Rasulov, Vera A Gorbounova, Sergey I Tkachev, Valeriya V Glebovskaya, Mikhail Yu Fedyanin, Nataliya S Besova, Yulia E Surayeva
PURPOSE: The goals of this study were to assess safety and efficacy of triplet chemoradiotherapy (CRT) with paclitaxel for squamous cell anal carcinoma (SCAC). METHODS: Patients with stage I-IIIB SCAC were enrolled and received 52-58 Gy intensity-modulated radiotherapy (IMRT) (with dose based on the T stage) in consecutive daily 1.8-2.2 Gy fractions. The concurrent chemotherapy consisted of paclitaxel 45 mg/m(2) days 3, 10, 17, 24, 31, capecitabine 625 mg/m(2) bid on treatment days and mitomycin C 10 g/m(2) on day 1...
August 1, 2017: Cancer Chemotherapy and Pharmacology
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
#17
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/28750754/physiological-considerations-acting-on-triplet-oxygen-for-explicit-dosimetry-in-photodynamic-therapy
#18
Víctor Sánchez, María Paulina Romero, Sebastião Pratavieira, César Costa
The aims of this study were to determine the spatial and temporal theoretical distribution of the concentrations of Protoporphyrin IX, (3)O2 and doses of (1)O2. The type II mechanism and explicit dosimetry in photodynamic therapy were used. Furthermore, the mechanism of respiration and cellular metabolism acting on (3)O2 were taken into account. The dermis was considered as an absorbing and a scattering medium. An analytical solution was used for light diffusion in the skin. The photophysical, photochemical and biological effects caused by PDT with the initial irradiances of 20, 60 and 150mW/cm(2) were studied for a time of exposure of 20min and a maximum depth of 0...
September 2017: Photodiagnosis and Photodynamic Therapy
https://www.readbyqxmd.com/read/28747580/emerging-drugs-and-combinations-to-treat-multiple-myeloma
#19
REVIEW
Alessandra Larocca, Roberto Mina, Francesca Gay, Sara Bringhen, Mario Boccadoro
In the past few years, multiple targeted therapies and immunotherapies including second generation immunomodulatory drugs (pomalidomide) and proteasome inhibitors (carfilzomib, ixazomib), monoclonal antibodies and checkpoint inhibitors were approved for the treatment of myeloma or entered advanced phases of clinical testing. These agents showed significant activity in advanced myeloma and increased the available treatment strategies.Pomalidomide is well-tolerated and effective in patients with relapsed/refractory multiple myeloma who have exhausted any possible treatment with lenalidomide and bortezomib...
July 15, 2017: Oncotarget
https://www.readbyqxmd.com/read/28730292/efficacy-and-safety-of-taxane-monotherapy-in-advanced-gastric-cancer-refractory-to-triplet-chemotherapy-with-docetaxel-cisplatin-and-s-1-a-multicenter-retrospective-study
#20
Sakura Iizumi, Atsuo Takashima, Yukiya Narita, Masahiro Tajika, Kei Muro, Sadayuki Kawai, Hirofumi Yasui, Tomohiro Matsushima, Daisuke Takahari, Kengo Nagashima, Narikazu Boku
PURPOSE: Taxane monotherapy is widely used for advanced gastric cancer (AGC) after failure of standard first-line chemotherapy with fluoropyrimidine and cisplatin. Triplet chemotherapy with docetaxel, cisplatin, and S-1 (DCS) is a promising regimen for first-line chemotherapy of AGC. The aim of this study was to evaluate the efficacy of taxane monotherapy in patients refractory to DCS. METHODS: We retrospectively evaluated the efficacy and safety of taxane monotherapy in patients with AGC refractory to first-line therapy with DCS between January 2010 and April 2015...
July 20, 2017: Cancer Chemotherapy and Pharmacology
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