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https://www.readbyqxmd.com/read/27896177/anti-vascular-endothelial-growth-factor-bevacizumab-therapy-reduces-hypertrophic-scar-formation-in-a-rabbit-ear-wounding-model
#1
Do Hoon Kwak, Tae Hui Bae, Woo Seob Kim, Han Koo Kim
BACKGROUND: Hypertrophic scarring is a pathological condition that occurs after trauma or surgery. Angiogenesis occurs more often with hypertrophic scarring than with normotrophic scarring. The regulation of angiogenesis is one of the key factors in hypertrophic scar management. Vascular endothelial growth factor (VEGF) is an essential factor in the angiogenetic response. This study investigated whether decreasing the level of VEGF is effective for treating hypertrophic scarring. METHODS: Ten 8-week-old female New Zealand white rabbits were included...
November 2016: Archives of Plastic Surgery
https://www.readbyqxmd.com/read/27893676/combination-use-of-paclitaxel-and-avastin-enhances-treatment-effect-for-the-nsclc-patients-with-malignant-pleural-effusion
#2
Nan Qi, Fang Li, Xiaosong Li, Huanrong Kang, Hui Zhao, Nan Du
The current study is conducted to investigate efficacy of the chemotherapy drug paclitaxel in combination with Avastin (Roche Diagnostics GmbH., Mannheim, Germany) (antiangiogenic agent) in treatment of malignant pleural effusions (MPEs).Twenty-four patients with non-small cell lung cancer were randomly assigned for 2 treatment approaches. Ten patients received paclitaxel (175 mg/m) alone, and 14 patients took a combination therapy of paclitaxel and Avastin (5 mg/kg). Efficacy of the treatment approaches in the patients was validated with the change in the MPE volume...
November 2016: Medicine (Baltimore)
https://www.readbyqxmd.com/read/27882018/role-of-bevacizumab-in-the-prevention-of-early-postoperative-haemorrhage-after-25-gauge-microincision-vitrectomy-surgery
#3
Zaheer Sultan, Syed Fawad Rizvi, Faisal Murtaza Qureshi, Syed Asaad Mahmood
OBJECTIVE: To evaluate the effect of preoperative intravitreal bevacizumab injection on the incidence of postoperative haemorrhage and visual prognosis, in patients undergoing 25-gauge micro incision vitrectomy surgery (MIVS) for diabetic vitreous haemorrhage. METHODS: One hundred and twenty two eyes of 122 patients of diabetic retinopathy of both genders and aged over 18 years, who presented with non-resolving vitreous haemorrhage were enrolled for this study. All patients received an intravitreal injection of 1...
September 2016: Pakistan Journal of Medical Sciences Quarterly
https://www.readbyqxmd.com/read/27876365/midyear-commentary-on-trends-in-drug-delivery-and-clinical-translational-medicine-growth-in-biosimilar-complex-injectable-drug-formulation-products-within-evolving-collaborative-regulatory-interagency-fda-ftc-and-doj-practices-and-enforcement
#4
Rodney J Y Ho
Before the 2009 Biologics Price Competition and Innovation Act that enabled the U.S. Federal Drug Administration (FDA) to create the 351(k) Biologic License Application-an abbreviated biosimilar approval process, FDA approved follow-on biomolecule products such as beta-interferon, glucagon, hyaluronidase, and somatropin (human growth hormone) under varying and evolving rules. With the 351(k) Biologic License Application biosimilar approval process in place, currently, there are 4 (licensed in 2015-2016) biosimilars available, namely Neupogen (filgrastim; $1 B/y), Humira (adalumumab; $14...
November 19, 2016: Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/27824739/effect-of-the-lymphocyte-to-monocyte-ratio-on-the-clinical-outcome-of-chemotherapy-administration-in-advanced-melanoma-patients
#5
Alexey A Leontovich, Roxana S Dronca, Wendy K Nevala, Michael A Thompson, Lisa A Kottschade, Leonid V Ivanov, Svetomir N Markovic
Skin cancer affects more individuals in the USA than any other malignancy and malignant melanoma is particularly deadly because of its metastatic potential. Melanoma has been recognized as one of the most immunogenic malignancies; therefore, understanding the mechanisms of tumor-immune interaction is key for developing more efficient treatments. As the tumor microenvironment shows an immunosuppressive action, immunotherapeutic agents promoting endogenous immune response to cancer have been tested (interleukin-2, anticytotoxic-T-lymphocyte-associated antigen 4, and antiprogrammed cell death protein 1 monoclonal antibodies) as well as combinations of cytotoxic chemotherapy agents and inhibitors of angiogenesis (taxol/carboplatin/avastin)...
November 7, 2016: Melanoma Research
https://www.readbyqxmd.com/read/27759858/the-effect-of-bevacizumab-pretreatment-on-the-choice-of-endotamponade-in-diabetic-tractional-retinal-detachment
#6
Mehmet Murat Uzel, Mehmet Citirik, Cagri Ilhan, Merve Inanc
BACKGROUND AND OBJECTIVE: To evaluate the effect of preoperative intravitreal bevacizumab (IVB) (Avastin; Genentech, South San Francisco, CA) injection on the choice of endotamponade at the end of surgery in patients who underwent pars plana vitrectomy (PPV) for diabetic tractional retinal detachment (DTRD). PATIENTS AND METHODS: Seventy-eight patients who had DTRD with macular involvement and underwent PPV by a single surgeon from January 2012 to May 2015 were included...
October 1, 2016: Ophthalmic Surgery, Lasers & Imaging Retina
https://www.readbyqxmd.com/read/27759856/optical-coherence-tomography-features-in-diabetic-macular-edema-and-the-impact-on-anti-vegf-response
#7
Yuji Itoh, Daniel Petkovsek, Peter K Kaiser, Rishi P Singh, Justis P Ehlers
BACKGROUND AND OBJECTIVE: To assess the relationship between spectral-domain optical coherence tomography (SD-OCT) features and functional outcomes for diabetic macular edema (DME) undergoing treatment with intravitreal bevacizumab (Avastin; Genentech, South San Francisco, CA). PATIENTS AND METHODS: Institutional review board-approved, retrospective, consecutive case series of eyes receiving intravitreal bevacizumab (1.25 mg) for DME. SD-OCT features were evaluated and correlated with functional response to anti-vascular endothelial growth factor (VEGF) therapy...
October 1, 2016: Ophthalmic Surgery, Lasers & Imaging Retina
https://www.readbyqxmd.com/read/27748633/the-safety-and-efficacy-of-bevacizumab-in-the-treatment-of-patients-with-recurrent-or-metastatic-cervical-cancer
#8
Lindsey E Minion, Krishnansu S Tewari
Introduction Bevacizumab is a recombinant humanized monoclonal antibody against vascular endothelial growth factor (VEGF) (Avastin; Genetech, Inc, San Francisco, CA). Angiogenesis is blocked by the binding of bevacizumab to VEGF, inhibiting the binding of this ligand to the VEGF receptor. On August 14, 2014 the Food and Drug Administration (FDA) approved use of bevacizumab in persistent, recurrent, or metastatic cervical cancer. Areas Covered Herein we review pharmacodynamics and kinetics, clinical data and treatment-related toxicities of bevacizumab in the treatment of metastatic, recurrent or persistent cervical cancer...
October 17, 2016: Expert Review of Anticancer Therapy
https://www.readbyqxmd.com/read/27631479/aflibercept-for-diabetic-macular-edema-in-eyes-previously-treated-with-ranibizumab-and-or-bevacizumab-may-further-improve-macular-thickness
#9
Chirag P Shah, Jeffrey S Heier
BACKGROUND AND OBJECTIVE: To evaluate the short-term anatomic and visual outcomes after aflibercept (Eylea; Regeneron, Tarrytown, NY) in eyes with diabetic macular edema (DME) previously treated with ranibizumab (Lucentis; Genentech, South San Francisco, CA) and/or bevacizumab (Avastin; Genentech, South San Francisco, CA). PATIENTS AND METHODS: A single-center, retrospective, noncomparative study of 30 eyes in 23 patients with DME treated with prior ranibizumab and/or bevacizumab before switching to aflibercept...
September 1, 2016: Ophthalmic Surgery, Lasers & Imaging Retina
https://www.readbyqxmd.com/read/27610261/a-rare-case-of-mixed-neuroendocrine-tumor-and-adenocarcinoma-of-the-pancreas
#10
Sofia Xenaki, Konstantinos Lasithiotakis, Alexandros Andreou, Sofia Aggelaki, Maria Tzardi, Anna Daskalaki, George Chalkiadakis, Emmanuel Chrysos
Introduction. Neuroendocrine carcinoma (NEC) of pancreas is a rare tumor with aggressive progression and poor prognosis. Its coexistence with adenocarcinoma poses significant clinical problems and has not been addressed in the literature. Methods. We describe a case of a 51-year-old male who underwent pancreatoduodenectomy due to pancreatic head tumor 1.5 × 1 × 1.4 cm. Histological examination of the specimen revealed a mixed neoplasm: (1) a well differentiated adenocarcinoma, neoplastic blasts of which are extended focally to the submucosa without invading the muscular layer, and (2) a low differentiated NEC consisting of solid clusters and pagetoid formations...
2016: Case Reports in Surgery
https://www.readbyqxmd.com/read/27591037/effect-of-treatment-of-rectal-cancer-metastasis-with-intravitreal-bevacizumab-avastin-in-patient-with-subretinal-fluid-and-macular-oedema-short-term-follow-up
#11
Joseph Daniel Boss, Philip Lieu, Asheesh Tewari
We describe the management of subretinal fluid and macular oedema due to colorectal cancer metastasis to the choroid using intravitreal bevacizumab. A patient with grade VI KRAS mutation rectal cancer with metastasis to the lung and cerebellum presented with left eye choroidal metastasis 1 week after being started on the experimental medication KTN3379. After intravitreal bevacizumab administration, the patient had improvement in macular subretinal fluid, but eventually progressed to severe cystoid macular oedema despite monthly intravitreal bevacizumab treatment...
2016: BMJ Case Reports
https://www.readbyqxmd.com/read/27555853/efficient-production-of-a-bioactive-bevacizumab-monoclonal-antibody-using-the-2a-self-cleavage-peptide-in-transgenic-rice-callus
#12
Lei Chen, Xiaoyu Yang, Da Luo, Weichang Yu
Bevacizumab, a humanized monoclonal antibody (mAb) targeting to the vascular endothelial growth factor (VEGF), has been widely used in clinical practice for the treatment of multiple cancers. Bevacizumab was mostly produced by the mammalian cell expression system. We here reported the first plant-derived Bevacizumab by using transgenic rice callus as an alternative gene expression system. Codon-optimized Bevacizumab light chain (BLC) and Bevacizumab heavy chain (BHC) genes were designed, synthesized as a polyprotein with a 2A self-cleavage linker peptide from the Foot-and-mouth disease virus, cloned into a plant binary vector under a constitutive maize ubiquitin promoter, and transformed into rice nuclear genome through Agrobacterium-mediated transformation...
2016: Frontiers in Plant Science
https://www.readbyqxmd.com/read/27499314/an-integrin-%C3%AE-v%C3%AE-3-antagonistic-modified-peptide-inhibits-tumor-growth-through-inhibition-of-the-erk-and-akt-signaling-pathways
#13
Lirong Hu, Jingjing Wang, Ying Wang, Hanmei Xu
HM-3, an RGD (Arg-Gly-Asp)-modified antitumor polypeptide designed independently, has been demonstrated for its robust inhibitory effects on tumors. However, the intravenous administration and short half-life in vivo are inconvenient to its clinical application. To solve these issues, PEGylated HM-3 (mPEG-SC20k-HM-3) with prolonged half‑time in vivo and subcutaneous administration was obtained after repeated screening of different types of PEG and numerous efficacy assays. The present study aimed to evaluate the antitumor activity and investigate the mechanism of the modified peptide to interpret the antitumor properties of mPEG-SC20k-HM-3 comprehensively and clearly...
October 2016: Oncology Reports
https://www.readbyqxmd.com/read/27480521/small-molecular-sized-artesunate-attenuates-ocular-neovascularization-via-vegfr2-pkc%C3%AE-and-pdgfr-targets
#14
Yao Zong, Yongguang Yuan, Xiaobing Qian, Zhen Huang, Wei Yang, Leilei Lin, Qishan Zheng, Yujie Li, Huining He, Qianying Gao
Ocular neovascularization (NV) is the primary cause of blindness in many ocular diseases. Large molecular weight anti- vascular endothelial growth factor (VEGF) protein drugs, such as Avastin and Lucentis, have saved the vision of millions. However, approximately 20-30% of patients respond poorly to anti-VEGF treatment. We found that artesunate (ART), a small molecular derivative of artemisinin, had a significant inhibitory effect on ocular NV by downregulating the expression of VEGFR2, PKCα, and PDGFR. ART significantly inhibited retinal NV in rabbits and macular edema in monkeys with greater anterior chamber penetrability and more durable efficacy than Avastin...
2016: Scientific Reports
https://www.readbyqxmd.com/read/27391356/phase-i-trial-using-induction-ciplatin-docetaxel-5-fu-and-erlotinib-followed-by-cisplatin-bevacizumab-and-erlotinib-with-concurrent-radiotherapy-for-advanced-head-and-neck-cancer
#15
Peter H Ahn, Mitchell Machtay, Pramila R Anne, David Cognetti, William M Keane, Evan Wuthrick, Adam P Dicker, Rita S Axelrod
OBJECTIVES: Bevacizumab (avastin) and erlotinib (tarceva) had shown early clinical activity against head and neck cancer (HNC). We initiated a phase I trial of induction cisplatin, docetaxel, 5-fluorouracil and erlotinib (TPF-E) followed by cisplatin, bevacizumab and erlotinib (PA-E) with radiotherapy (XRT) for advanced HNC. The goal was to determine maximum tolerated erlotinib dose. METHODS: Eligible patients had stage IVA or higher HNC with good performance status, hematologic, and renal reserve...
July 7, 2016: American Journal of Clinical Oncology
https://www.readbyqxmd.com/read/27379578/different-ipsi-and-contralateral-glial-responses-to-anti-vegf-and-triamcinolone-intravitreal-injections-in-rats
#16
Johnny Di Pierdomenico, Diego García-Ayuso, Manuel Jiménez-López, Marta Agudo-Barriuso, Manuel Vidal-Sanz, María Paz Villegas-Pérez
PURPOSE: To investigate the glial response of the rat retina to single or repeated intravitreal injections (IVI). METHODS: Albino Sprague-Dawley rats received one or three (one every 7 days) IVI of anti-rat VEGF (5 μL; 0.015 μg/μL), triamcinolone (2.5 or 5 μL; 40 μg/μL; Trigón Depot), bevacizumab (5 μL; 25 μg/μL; Avastin), or their vehicles (PBS and balanced salt solution) and were processed 7 days after the last injection. Retinas were dissected as whole mounts and incubated with antibodies against: Iba1 (Ionized Calcium-Binding Adapter Molecule 1) to label retinal microglia, GFAP (Glial Fibrillary Acidic Protein) to label macroglial cells, and vimentin to label Müller cells...
July 1, 2016: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/27357488/therapeutic-potential-and-critical-analysis-of-trastuzumab-and-bevacizumab-in-combination-with-different-chemotherapeutic-agents-against-metastatic-breast-colorectal-cancer-affecting-various-endpoints
#17
REVIEW
Mohd Wahid, Raju K Mandal, Sajad A Dar, Arshad Jawed, Mohtashim Lohani, Mohammad Y Areeshi, Naseem Akhter, Shafiul Haque
Researchers are working day and night across the globe to eradicate or at least lessen the menace of cancer faced by the mankind. The two very frequently occurring cancers faced by the human beings are metastatic breast cancer and metastatic colorectal cancer. The various chemotherapeutic agents like anthracycline, cyclophosphamide, paclitaxel, irinotecan, fluorouracil and leucovorin etc., have been used impressively for long. But the obstinate character of metastatic breast cancer and metastatic colorectal cancer needs more to tackle the threat...
August 2016: Critical Reviews in Oncology/hematology
https://www.readbyqxmd.com/read/27349517/combinatorial-strategies-based-on-crad-il24-and-crad-ing4-virotherapy-with-anti-angiogenesis-treatment-for-ovarian-cancer
#18
Ahmad Mohammad Ashshi, Adel Galal El-Shemi, Igor P Dmitriev, Elena A Kashentseva, David T Curiel
BACKGROUND: A major hurdle incurrent to the human clinical application of conditionally replicative adenovirus (CRAd)-based virotherapy agents is their limited therapeutic efficacy. In this study we evaluated whether arming our previously reported Ad5/3Δ24 CRAd vector containing a 24-base pair deletion in the E1A conserved region 2, which allows selective replication within Rb-p16-deficient tumor cells, to express therapeutic genes could improve oncolytic virus potency in ovarian cancer cells...
2016: Journal of Ovarian Research
https://www.readbyqxmd.com/read/27348433/the-role-of-anti-vegf-therapy-in-the-treatment-of-diabetic-macular-edema
#19
Darius M Moshfeghi, Peter K Kaiser, Stephan Michels, Edoardo Midena, John W Kitchens, Jonathan L Prenner, Carl D Regillo, Elias Reichel
Diabetic retinopathy (DR) is the leading cause of blindness among working-age adults. DR often leads to diabetic macular edema (DME), which often goes unnoticed until a patient presents with vision loss. However, treatment options and data for DME are continually improving. We know that vascular endothelial growth factor (VEGF) plays a key role in DME progression; therapies that act by inhibiting VEGF production seem to improve visual acuity in patients with DME. Of the anti-VEGF therapies available, two have been approved by the U...
June 2016: Ophthalmic Surgery, Lasers & Imaging Retina
https://www.readbyqxmd.com/read/27327285/physician-utilization-patterns-for-vegf-inhibitor-drugs-in-the-2012-united-states-medicare-population-bevacizumab-ranibizumab-and-aflibercept
#20
Shivani Baisiwala, M Kate Bundorf, Suzann Pershing
BACKGROUND AND OBJECTIVE: To evaluate variation in physician use of vascular endothelial growth factor (VEGF) inhibitors. PATIENTS AND METHODS: Population-based analysis of comprehensive, publicly available 2012 Medicare claims, aggregated by physician specialty and service type - including intravitreal injections of bevacizumab (Avastin; Genentech, South San Francisco, CA), ranibizumab (Lucentis; Genetech, South San Francisco, CA), and aflibercept (Eylea; Regeneron, Tarrytown, NY)...
June 1, 2016: Ophthalmic Surgery, Lasers & Imaging Retina
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