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https://www.readbyqxmd.com/read/28820270/second-line-treatment-options-for-pancreatic-cancer
#1
Frank C Passero, Muhammad Wasif Saif
ABTRACT Introduction: Patients with advanced pancreatic cancer (APC) refractory to first-line therapy have a dismal prognosis and limited therapeutic options, with only one option consisting of nanoliposomal irinotecan in combination with fluorouracil and folinic acid which was approved by FDA based upon results of the phase III NAPOLI-1 study. Areas covered: We performed a literature search for relevant published clinical trials, abstracts of trials in progress and ongoing or planned trials for the second line treatment of APC using Pubmed...
August 18, 2017: Expert Opinion on Pharmacotherapy
https://www.readbyqxmd.com/read/28804517/update-on-the-role-of-nanoliposomal-irinotecan-in-the-treatment-of-metastatic-pancreatic-cancer
#2
REVIEW
Fnu Asad Ur Rahman, Saeed Ali, Muhammad Wasif Saif
Median survival for patients with metastatic pancreatic cancer (MPC) treated with combination chemotherapeutic agents such as gemcitabine-based regimens and FOLFIRINOX is currently less than 12 months. This highlights the need for more efficacious first-line, as well as second-line therapies. Nanoliposomal irinotecan, in combination with 5-fluorouracil (5-FU)/folinic acid has recently been assessed as second-line therapy after initial gemcitabine-based therapy. It is the first, second-line treatment approved by the US Food and Drug Administration to treat patients with MPC based on results of the NAnoliPOsomaL Irinotecan (NAPOLI-1) study, which showed that this regimen significantly prolonged progression-free survival (3...
July 2017: Therapeutic Advances in Gastroenterology
https://www.readbyqxmd.com/read/28801717/vitamin-b6-is-essential-for-serine-de-novo-biosynthesis
#3
Rúben J Ramos, Mia L Pras-Raves, Johan Gerrits, Maria van der Ham, Marcel Willemsen, Hubertus Prinsen, Boudewijn Burgering, Judith J Jans, Nanda M Verhoeven-Duif
Pyridoxal 5'-phosphate (PLP), the metabolically active form of vitamin B6, plays an essential role in brain metabolism as a cofactor in numerous enzyme reactions. PLP deficiency in brain, either genetic or acquired, results in severe drug-resistant seizures that respond to vitamin B6 supplementation. The pathogenesis of vitamin B6 deficiency is largely unknown. To shed more light on the metabolic consequences of vitamin B6 deficiency in brain, we performed untargeted metabolomics in vitamin B6-deprived Neuro-2a cells...
August 11, 2017: Journal of Inherited Metabolic Disease
https://www.readbyqxmd.com/read/28798905/enrofloxacin-and-toltrazuril-are-able-to-reduce-toxoplasma-gondii-growth-in-human-bewo-trophoblastic-cells-and-villous-explants-from-human-third-trimester-pregnancy
#4
Rafaela J da Silva, Angelica O Gomes, Priscila S Franco, Ariane S Pereira, Iliana C B Milian, Mayara Ribeiro, Paolo Fiorenzani, Maria C Dos Santos, José R Mineo, Neide M da Silva, Eloisa A V Ferro, Bellisa de Freitas Barbosa
Classical treatment for congenital toxoplasmosis is based on combination of sulfadiazine and pyrimethamine plus folinic acid. Due to teratogenic effects and bone marrow suppression caused by pyrimethamine, the establishment of new therapeutic strategies is indispensable to minimize the side effects and improve the control of infection. Previous studies demonstrated that enrofloxacin and toltrazuril reduced the incidence of Neospora caninum and Toxoplasma gondii infection. The aim of the present study was to evaluate the efficacy of enrofloxacin and toltrazuril in the control of T...
2017: Frontiers in Cellular and Infection Microbiology
https://www.readbyqxmd.com/read/28772407/comparative-analysis-of-the-composition-and-active-property-evaluation-of-certain-essential-oils-to-assess-their-potential-applications-in-active-food-packaging
#5
Cornelia Vasile, Morten Sivertsvik, Amalia Carmen Miteluţ, Mihai Adrian Brebu, Elena Stoleru, Jan Thomas Rosnes, Elisabeta Elena Tănase, Waqas Khan, Daniela Pamfil, Călina Petruţa Cornea, Anamaria Irimia, Mona Elena Popa
The antifungal, antibacterial, and antioxidant activity of four commercial essential oils (EOs) (thyme, clove, rosemary, and tea tree) from Romanian production were studied in order to assess them as bioactive compounds for active food packaging applications. The chemical composition of the oils was determined with the Folin-Ciocâlteu method and gas chromatography coupled with mass spectrometry and flame ionization detectors, and it was found that they respect the AFNOR/ISO standard limits. The EOs were tested against three food spoilage fungi-Fusarium graminearum, Penicillium corylophilum, and Aspergillus brasiliensis-and three potential pathogenic food bacteria-Staphylococcus aureus, Escherichia coli, and Listeria monocytogenes-using the disc diffusion method...
January 7, 2017: Materials
https://www.readbyqxmd.com/read/28770615/folate-metabolism-abnormalities-in-autism-potential-biomarkers
#6
Richard E Frye, John C Slattery, Edward V Quadros
Autism spectrum disorder (ASD) has been linked to abnormalities in folate metabolism. Polymorphisms in folate genes may act in complex polygenic ways to increase the risk of developing ASD. Autoantibodies that block folate transport into the brain have been associated with ASD and children with ASD and these autoantibodies respond to high doses of a reduced form of folate known as folinic acid (leucovorin calcium). Some of the same abnormalities are also found in mothers of children with ASD and supplementing folate during preconception and gestational periods reduces the risk to the offspring from developing ASD...
August 3, 2017: Biomarkers in Medicine
https://www.readbyqxmd.com/read/28768426/necrotising-fasciitis-in-a-patient-treated-with-folfiri-aflibercept-for-colorectal-cancer-a-case-report
#7
A Gonzaga-López, J Muñoz-Rodriguez, A Ruiz-Casado
Anti-angiogenics have become an important part of the treatment of several types of tumours such as ovarian, breast, lung and colorectal cancer. Necrotising fasciitis has been reported with bevacizumab but no cases have been reported with aflibercept, ramucirumab or regorafenib in patients with colorectal cancer. Necrotising fasciitis is a rare complication affecting one in 5000 bevacizumab users. We report the case of a 64-year-old man with stage IV rectosigmoid cancer under treatment with folinic acid, fluorouracil and irinotecan (FOLFIRI) and aflibercept, who developed a Fournier's gangrene...
August 3, 2017: Annals of the Royal College of Surgeons of England
https://www.readbyqxmd.com/read/28763993/phenolic-composition-and-antioxidant-properties-of-koose-a-deep-fat-fried-cowpea-cake
#8
Franklin B Apea-Bah, June C Serem, Megan J Bester, Kwaku G Duodu
Koose, a West African delicacy, is a side dish prepared by deep frying thick cowpea paste. The current research determined the effect of deep-fat frying of cowpea paste on its total phenolic content (TPC), phenolic composition and antioxidant properties. Four cowpea cultivars comprising two reddish-brown, a brownish-cream and cream phenotypes were used. Liquid chromatography-mass spectrometry was used to determine phenolic composition of the samples. TPC was determined using Folin-Ciocalteu method while radical scavenging capacities were by Trolox equivalent antioxidant capacity, oxygen radical absorbance capacity and nitric oxide scavenging assays...
December 15, 2017: Food Chemistry
https://www.readbyqxmd.com/read/28761750/european-medicines-agency-approval-summary-zaltrap-for-the-treatment-of-patients-with-oxaliplatin-resistant-metastatic-colorectal-cancer
#9
REVIEW
Stefan Cristian Stanel, Jan Sjöberg, Tomas Salmonson, Paolo Foggi, Mariapaola Caleno, Daniela Melchiorri, Iordanis Gravanis, Kyriaki Tzogani, Francesco Pignatti
On 1 February 2013, a marketing authorisation valid throughout the European Union was issued for aflibercept (Zaltrap) in combination with irinotecan/5-fluorouracil/folinic acid chemotherapy for the treatment of adults with metastatic colorectal cancer resistant to or progressive after an oxaliplatin-containing regimen. Aflibercept is a recombinant fusion protein which blocks the activation of vascular endothelial growth factor (VEGF) receptors and the proliferation of endothelial cells, acting as a soluble decoy receptor that binds to VEGF-A with higher affinity than its native receptors, as well as placental growth factor and VEGF-B...
2017: ESMO Open
https://www.readbyqxmd.com/read/28761203/inhibitory-effect-of-bunium-persicum-hydroalcoholic-extract-on-glucose-induced-albumin-glycation-oxidation-and-aggregation-in-vitro
#10
Arman Seri, Marjan Khorsand, Zahra Rezaei, Azadeh Hamedi, Mohammad Ali Takhshid
BACKGROUND: Glucose-induced protein glycation has been implicated in the progression of diabetic complications and age-related diseases. The anti-glycation potential of polyphenol-rich plant extracts has been shown previously. Bunium Persicum has been demonstrated to possess a high level of polyphenols. The aim of current in vitro study was to determine the possible inhibitory effect of Bunium Persicum hydroalcoholic extract (BPE) on glucose-induced bovine serum albumin (BSA) glycation, oxidation, and aggregation...
July 2017: Iranian Journal of Medical Sciences
https://www.readbyqxmd.com/read/28747868/protective-effect-of-momordica-charantia-water-extract-against-liver-injury-in-restraint-stressed-mice-and-the-underlying-mechanism
#11
Yuanyuan Deng, Qin Tang, Yan Zhang, Ruifen Zhang, Zhencheng Wei, Xiaojun Tang, Mingwei Zhang
Background: Momordica charantia is used in China for its jianghuo (heat-clearing and detoxifying) effects. The concept of shanghuo (the antonym of jianghuo, excessive internal heat) in traditional Chinese medicine is considered a type of stress response of the body. The stress process involves internal organs, especially the liver. Objective: We hypothesized that Momordica charantia water extract (MWE) has a hepatoprotective effect and can protect the body from stress. The aim of this study was to investigate the possible effects of MWE against liver injury in restraint-stressed mice...
2017: Food & Nutrition Research
https://www.readbyqxmd.com/read/28746977/intra-tumoural-stromal-morphometry-predicts-disease-recurrence-but-not-response-to-5-fluorouracil-results-from-the-quasar-trial-of-colorectal-cancer
#12
Gordon G A Hutchins, Darren Treanor, Alexander Wright, Kelly Handley, Laura Magill, Emma Tinkler-Hundal, Katie Southward, Matthew Seymour, David Kerr, Richard Gray, Philip Quirke
The biological importance of tumour-associated stroma is increasingly apparent, yet clinical utility remains ill-defined. In stage-II / Dukes B colorectal cancer (CRC), clinical biomarkers are urgently required to direct therapeutic options. We report here prognostic/predictive analyses, and molecular associations, of stromal morphometric quantification in the Quick and Simple and Reliable (QUASAR) trial of CRC MATERIALS AND METHODS: Relative proportions of tumour epithelium (PoT) or stroma (PoS) were morphometrically quantified using digitised haematoxylin and eosin sections derived from 1,800 patients enrolled in QUASAR which randomised 3,239 (91% stage II) CRC patients between adjuvant fluorouracil/folinic acid (FUFA) chemotherapy and observation...
July 26, 2017: Histopathology
https://www.readbyqxmd.com/read/28744918/essential-oils-and-hydrophilic-extracts-from-the-leaves-and-flowers-of-succisa-pratensis-moench-and-their-biological-activity
#13
Ewa Witkowska-Banaszczak, Jolanta Długaszewska
OBJECTIVES: This study was undertaken to evaluate the antioxidant activity of methanol and water extracts from Succisa pratensis Moench (Dipsacaceae) leaves and flowers as well as the chemical composition of the essential oils found in them and the antimicrobial activity of the oils and extracts thereof. METHODS: The essential oils from S. pratensis leaves and flowers were analysed by the GC-MS. The total phenolic content was determined with Folin-Ciocalteu, that of flavonoids with aluminium chloride and that of phenolic acids with Arnov's reagent...
July 26, 2017: Journal of Pharmacy and Pharmacology
https://www.readbyqxmd.com/read/28744667/exposure-response-relationship-of-ramucirumab-in-patients-with-advanced-second-line-colorectal-cancer-exploratory-analysis-of-the-raise-trial
#14
Allen Lee Cohn, Takayuki Yoshino, Volker Heinemann, Radka Obermannova, György Bodoky, Jana Prausová, Rocio Garcia-Carbonero, Tudor Ciuleanu, Pilar Garcia-Alfonso, David C Portnoy, Eric Van Cutsem, Kentaro Yamazaki, Philip R Clingan, Jonathon Polikoff, Sara Lonardi, Lisa M O'Brien, Ling Gao, Ling Yang, David Ferry, Federico Nasroulah, Josep Tabernero
PURPOSE: To characterize ramucirumab exposure-response relationships for efficacy and safety in patients with metastatic colorectal cancer (mCRC) using data from the RAISE study. METHODS: Sparse pharmacokinetic samples were collected; a population pharmacokinetic analysis was conducted. Univariate and multivariate Cox proportional hazards models analyzed the relationship between predicted ramucirumab minimum trough concentration at steady state (C min,ss) and survival...
July 25, 2017: Cancer Chemotherapy and Pharmacology
https://www.readbyqxmd.com/read/28730980/validation-of-spectrophotometric-methods-for-the-determination-of-total-polyphenol-and-total-flavonoid-content
#15
Petra Matić, Marija Sabljić, Lidija Jakobek
The aim of this study was to validate spectrophotometric methods for the measurement of total polyphenol (TP;via the Folin-Ciocalteu method) and total flavonoid (TF) content [via the aluminum chloride (AlCl₃) method]. Validation parameters of these methods were determined, including linearity, sensitivity, precision (intra-assay and intermediate), accuracy, LOD, and LOQ. For the validation process, groups of polyphenol standards were used, including phenolic acids (gallic, p-coumaric, caffeic, and chlorogenic acids), flavan-3-ols [(+)-catechin and procyanidins B1 and B2], flavonols (quercetin and quercetin-3-rutinoside), and dihydrochalcones (phloretin and phloretin-2-glucoside)...
July 20, 2017: Journal of AOAC International
https://www.readbyqxmd.com/read/28720929/antioxidant-characteristics-of-extracts-of-hibiscus-sabdariffa-calyces-encapsulated-with-mesquite-gum
#16
C E Ochoa-Velasco, C Salazar-González, S Cid-Ortega, J A Guerrero-Beltrán
This study compared the stability of extracts of H. sabdariffa calyces microencapsulated with different concentrations of mesquite gum during storage. Dry Roselle calyces were mixed with 50:50 (v/v) ethanol:water solution to obtain 18°Bx concentrate. This Roselle extract concentrate was mixed with purified mesquite gum (100:1-100:5 v/w). The Roselle extract concentrate-gum (RECG) was spray dried at inlet and outlet temperatures of 180 ± 2 and 104 ± 2.3 °C, respectively, at an air flow rate of 38 m(3)/h...
June 2017: Journal of Food Science and Technology
https://www.readbyqxmd.com/read/28714378/utilization-of-capecitabine-plus-oxaliplatin-and-5-fluorouracil-folinic-acid-plus-oxaliplatin-in-the-adjuvant-treatment-of-stage-iib-and-stage-iii-colon-cancer-a-multi-centre-retrospective-chart-review-study
#17
Aaron Sha, Shirin Abadi, Sharlene Gill
Purpose First, to assess drug utilization rates of capecitabine plus oxaliplatin (CAPOX) versus 5-fluorouracil plus oxaliplatin (mFOLFOX6) regimens in the treatment of stage IIB and stage III colon cancer. Second, to assess patient characteristics used to select CAPOX versus FOLFOX therapy, dose-limiting toxicities, dose intensities and treatment completion rates. Methods Patients with resected stage IIB or stage III colon cancer from five British Columbia Cancer Agency centres treated with CAPOX or mFOLFOX6 were selected for the analysis...
January 1, 2017: Journal of Oncology Pharmacy Practice
https://www.readbyqxmd.com/read/28707612/catechin-composition-and-antioxidant-activity-of-black-teas-in-relation-to-brewing-time
#18
Wojciech Koch, Wirginia Kukula-Koch, Kazimierz Głowniak
Black tea infusions are one of the most popular beverages across the world. Their extract composition dependson several factors, brewing time being one of the most important determinants. The aim of the present study was to determine the catechin composition of different black tea infusions using a validated LC electrospray ionization time-of-flight MS method. Additionally, total phenolic content (TPC) and antioxidant activity of infusions were evaluated using Folin-Ciocalteu reagent and stable radical 2,2-diphenyl-1-picrylhydrazyl (DPPH)...
July 13, 2017: Journal of AOAC International
https://www.readbyqxmd.com/read/28704188/effect-of-extracts-of-bilberries-vaccinium-myrtillus-l-on-amyloglucosidase-and-%C3%AE-glucosidase-activity
#19
Diana P Karcheva-Bahchevanska, Paolina K Lukova, Mariana M Nikolova, Rumen D Mladenov, Ilia N Iliev
BACKGROUND: Vaccinium myrtillus L. is a species belonging to the genus Vaccinium of the family Ericaceae. Bilberries have drawn attention due to the multiple benefits for the human health, including antioxidant, anti-inflammatory, anticancer, anti-neurodegenerative, and cardioprotective effects. Recently, bilberries were shown to inhibit the activity of carbohydrate-hydrolysing enzymes that can help reduce the intensity of the metabolic syndrome and prevent type 2 diabetes. AIM: In this study, we investigated the α-glucosidase and amyloglucosidase inhibitory activities of polyphenol-rich extracts from fruit of Vaccinium myrtillus L...
June 1, 2017: Folia Medica
https://www.readbyqxmd.com/read/28702427/antioxidant-and-anticholinesterase-potential-of-two-nigerian-bitter-yams-using-a-simulated-gastrointestinal-digestion-model-and-conventional-extraction
#20
Sule Ola Salawu, Praise Blessing Ajiboye, Akintunde Afolabi Akindahunsi, Aline Augusti Boligon
The purpose of this study was to evaluate the antioxidant and anticholinesterase activities of yellow and white bitter yams from South Western Nigeria using methanolic extraction and simulated gastrointestinal digestion models. The phenolic compounds in the bitter yam varieties were evaluated by high performance liquid chromatography with a diode array detector (HPLC-DAD). The total phenolic content of the bitter yams was measured by the Folin-Ciocalteu method, reductive potential by assessing the ability of the bitter yam to reduce FeCl3 solution, and the antioxidant activities were determined by the 2,2-diphenyl-1-picrylhydrazyl radical (DPPH(·)) scavenging activity, 2,2'-azino-bis(3-ethylbenzothiazoline-6-sulfonic acid) radical cation (ABTS(·+)) scavenging activity, nitric oxide radical (NO(·)) scavenging ability, hydroxyl radical scavenging ability, and ability to inhibit Fe(2+)-induced lipid oxidation...
June 2017: Preventive Nutrition and Food Science
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