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https://www.readbyqxmd.com/read/28527040/fundamental-principles-of-an-anti-vegf-treatment-regimen-optimal-application-of-intravitreal-anti-vascular-endothelial-growth-factor-therapy-of-macular-diseases
#1
REVIEW
Paolo Lanzetta, Anat Loewenstein
BACKGROUND: Intravitreal anti-vascular endothelial growth factor (VEGF) therapy is now considered the gold standard for the treatment of various retinal disorders. As therapy has evolved, so too have the treatment regimens employed by physicians in clinical practice; however, visual outcomes observed in the real world have typically not reflected those reported in clinical trials. Possible reasons for this include a lack of consensus on treatment regimens and a lack of clarity about what the aims of treatment should be...
May 19, 2017: Graefe's Archive for Clinical and Experimental Ophthalmology
https://www.readbyqxmd.com/read/28526489/intravitreous-injection-of-aav2-sflt01-in-patients-with-advanced-neovascular-age-related-macular-degeneration-a-phase-1-open-label-trial
#2
Jeffrey S Heier, Saleema Kherani, Shilpa Desai, Pravin Dugel, Shalesh Kaushal, Seng H Cheng, Cheryl Delacono, Annie Purvis, Susan Richards, Annaig Le-Halpere, John Connelly, Samuel C Wadsworth, Rafael Varona, Ronald Buggage, Abraham Scaria, Peter A Campochiaro
BACKGROUND: Long-term intraocular injections of vascular endothelial growth factor (VEGF)-neutralising proteins can preserve central vision in many patients with neovascular age-related macular degeneration. We tested the safety and tolerability of a single intravitreous injection of an AAV2 vector expressing the VEGF-neutralising protein sFLT01 in patients with advanced neovascular age-related macular degeneration. METHODS: This was a phase 1, open-label, dose-escalating study done at four outpatient retina clinics in the USA...
May 16, 2017: Lancet
https://www.readbyqxmd.com/read/28525947/dianhydrogalactitol-a-potential-multitarget-agent-inhibits-glioblastoma-migration-invasion-and-angiogenesis
#3
Xia Jiang, Yinmei Huang, Xiaojie Wang, Qiaofang Liang, Yingjie Li, Fuji Li, Xuanhao Fu, Chonghuan Huang, Huagang Liu
The complexity of cancer has led to single-target agents exhibiting lower-than-desired clinical efficacy. Drugs with multiple targets provide a feasible option for the treatment of complex tumors. Multitarget anti-angiogenesis agents are among the new generation of anticancer drugs and have shown favorable clinical efficacy. Dianhydrogalactitol (DAG) is a chemotherapeutic agent for chronic myeloid leukemia and lung cancer. Recently, it has been tested in phase II trials of glioblastoma treatment; however, mechanisms of DAG in glioblastoma have not been elucidated...
May 15, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28525344/morphometric-abnormalities-in-spleen-and-kidney-of-the-progeny-of-mice-fed-american-cranberry-extract-vaccinium-macrocarpon-during-pregnancy-and-lactation
#4
B J Bałan, S Lewicki, A K Siwicki, M Stelmasiak, P Skopiński, E Skopińska-Różewska, A Wasiutyński, R Zdanowski
Cranberries and cranberry-derived diet supplements are often recommended for the treatment of urinary tract infections, also during pregnancy. These products contain strongly anti-angiogenic chemical compounds which could not be indifferent to the developing fetus. In the present work we evaluated the effect of feeding pregnant and lactating mice American cranberry extract (daily dose 0.88 mg) on the morphology and some parameters of spleen and kidney function of their adult progeny. Six weeks after delivery the morphometry of spleen and kidney, cytometric analysis of spleen lymphocytes, evaluation of humoral response to SRBC (Sheep Red Blood Cells), and examination of serum creatinine/urea concentration, were performed in the offspring...
March 28, 2017: Polish Journal of Veterinary Sciences
https://www.readbyqxmd.com/read/28524152/-vascular-endothelial-growth-factor-inhibitors-in-the-treatment-of-neovascular-age-related-macular-degeneration
#5
I N Dyakov, S K Zyryanov
Neovascular age-related macular degeneration (AMD) is the leading cause of vision loss in older patients. An important role in angiogenesis is played by regulatory mechanisms (an increase in the number of proliferating endothelial and stromal cells and morphological alterations in the vascular network) induced by factors from the vascular endothelial growth factor (VEGF) family. Since 2006, the key treatment of neovascular AMD includes agents that inhibit the activity of VEGF. This review covers the effectiveness and safety of the use of anti-VEGF agents in neovascular AMD patients...
2017: Vestnik Oftalmologii
https://www.readbyqxmd.com/read/28520639/wrinkled-vascularized-retinal-pigment-epithelium-detachment-prognosis-after-intravitreal-anti-vegf-therapy
#6
Delphine Lam, Oudy Semoun, Rocio Blanco-Garavito, Camille Jung, Diem T Nguyen, Eric H Souied, Gerard Mimoun
BACKGROUND/PURPOSE: Neovascular age-related macular degeneration (nAMD) is frequently associated with vascularized pigment epithelial detachment (v-PED). We observed a peculiar characteristic of v-PED characterized by small lacy folds of the retinal pigment epithelium, appearing as a wrinkled PED (w-PED) on spectral domain optical coherence tomography (SD-OCT). Our purpose was to describe the visual prognosis and number of intravitreal injections in w-PED compared with non-w-PED. METHODS: In this retrospective, case-control series, we reviewed retrospectively medical records of 52 eyes of 51 patients who were consecutively included between November 1 and 30, 2015 with a previous minimum 3-year follow-up...
May 16, 2017: Retina
https://www.readbyqxmd.com/read/28515436/nimbolide-upregulates-reck-by-targeting-mir-21-and-hif-1%C3%AE-in-cell-lines-and-in-a-hamster-oral-carcinogenesis-model
#7
Jaganathan Kowshik, Rajakishore Mishra, Josephraj Sophia, Satabdi Rautray, Kumaraswamy Anbarasu, G Deepak Reddy, Madhulika Dixit, Sundarasamy Mahalingam, Siddavaram Nagini
Reversion-inducing cysteine-rich protein with Kazal motifs (RECK), a potent inhibitor of matrix metalloproteinases (MMPs) is a common negative target of oncogenic signals and a potential therapeutic target for novel drug development. Here, we show that sequential RECKlessness stimulates angiogenesis and Notch signalling in the 7,12-dimethylbenz[a]anthracene (DMBA)-induced hamster buccal pouch (HBP) carcinogenesis model, a paradigm for oral oncogenesis and chemointervention. We also report the chemotherapeutic effect of nimbolide, a limonoid from the neem tree (Azadirachta indica) based on the upregulation of RECK as well as modulation of the expression of key molecules involved in invasion and angiogenesis...
May 17, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28513493/inflammatory-choroidal-neovascularization-in-indian-eyes-etiology-clinical-features-and-outcomes-to-anti-vascular-endothelial-growth-factor
#8
Rupak Roy, Kumar Saurabh, Aditya Bansal, Amitabh Kumar, Anindya Kishore Majumdar, Swakshyar Saumya Paul
BACKGROUND AND OBJECTIVES: The aim was to study the clinical profile of inflammatory choroidal neovascularization (CNV) and its treatment response to intravitreal bevacizumab or ranibizumab on pro re nata (PRN) basis in Indian eyes. MATERIALS AND METHODS: This was a retrospective case series of consecutive patients with inflammatory CNV treated with anti-vascular endothelial growth factor (anti-VEGF) in a tertiary eye care center in Eastern India between 2009 and 2014...
April 2017: Indian Journal of Ophthalmology
https://www.readbyqxmd.com/read/28512425/long-term-follow-up-of-polypoidal-choroidal-vasculopathy-secondary-to-angioid-streaks-treated-by-intravitreal-aflibercept-and-ranibizumab
#9
James G Wong, Katherine Yu Qian
PURPOSE: Angioid streaks (AS) are dehiscences in Bruch's membrane that may be idiopathic or associated with numerous systemic illnesses. Polypoidal choroidal vasculopathy (PCV) is an underdiagnosed exudative chorioretinopathy often characterised by serosanguineous detachments of the pigmented epithelium. The use of the anti-VEGF agents ranibizumab and aflibercept in the management of PCV secondary to AS has not been previously documented. We report 3 patients with active PCV secondary to AS, 1 of which had a family history of PCV secondary to AS, not previously reported in the literature...
January 2017: Case Reports in Ophthalmology
https://www.readbyqxmd.com/read/28511459/a-comparison-of-2-methoxyestradiol-value-in-women-with-severe-preeclampsia-versus-normotensive-pregnancy
#10
John Wantania, Ahsanuddin Attamimi, Rukmono Siswishanto
INTRODUCTION: Preeclampsia is a pregnancy complication characterized by high blood pressure and proteinuria. Endothelial dysfunction is a major theory suggested as its aetiology. It is caused by anti-angiogenic condition characterized by low Vascular Endothelial Growth Factor (VEGF). An estradiol metabolite, called 2-Methoxy Estradiol (2-ME), is produced with the help of Catechol-O-Methyltransferase (COMT). This substance has an important role in VEGF expression. A 2-ME is suppressed in women with preeclampsia...
March 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28511390/expression-of-angiogenic-factors-in-psoriasis-vulgaris
#11
Lakshna Sankar, Dhanalakshmi Arumugam, Sudha Boj, Priyanka Pradeep
INTRODUCTION: Psoriasis is a chronic inflammatory skin disease characterized by epidermal hyperproliferation, abnormal differentiation and inflammatory infiltration in the dermis. The dermal microvascular expansion associated with abnormal orientation and dilatation of capillaries in the biopsies of the psoriatic skin suggest that the disease is dependent on angiogenesis. AIM: To analyze and compare the immunohistochemical expression of angiogenic factors - Vascular Endothelial Growth Factor (VEGF), von Willebrand Factor (vWF) and CD 34 in skin biopsies of psoriasis cases with control skin samples; and to correlate the expression of angiogenic factors with Psoriasis Area and Severity Clinical Index (PASI SCORE)...
March 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28509321/evaluation-of-tissue-metalloproteinase-inhibitor-timp-1-and-survivin-levels-during-third-trimester-pregnancy-a-preliminary-report
#12
Agata Karowicz-Bilińska, Urszula Kowalska-Koprek, Dorota Estemberg, Anita Sikora-Szubert
OBJECTIVES: A proper implantation of trophoblastic cells and an appropriate metalloproteinases activity is required to cause disintegration of basal membranes of cells. The activity of tissue matrix metaloproteinases can be inhibited by their matrix inhibitors - TIMP-s. Survivin is a member of inhibitor of apoptosis proteins family (IAP), that suppresses caspase activation, influences VEGF expression and promotes proliferative action of endothelial cells. MATERIAL AND METHODS: The aim of the study was to assess concentrations of two independent anti-apoptotic factors...
2017: Ginekologia Polska
https://www.readbyqxmd.com/read/28508241/resource-use-and-real-world-outcomes-for-ranibizumab-treat-and-extend-for-neovascular-age-related-macular-degeneration-in-the-uk-interim-results-from-terra
#13
Yit Yang, Louise Downey, Hemal Mehta, Bushra Mushtaq, Niro Narendran, Nishal Patel, Praveen J Patel, Filis Ayan, Kara Gibson, Franklin Igwe, Pete Jeffery
INTRODUCTION: Ranibizumab is an inhibitor of vascular endothelial growth factor-A (anti-VEGF) approved for the treatment of neovascular age-related macular degeneration (nAMD). The treat and extend (T&E) regimen can potentially reduce the burden of clinic visits compared with a pro re nata (PRN) regimen. Retrospective, interim analyses of clinical effectiveness, treatment and resource use patterns were conducted using real-world data in England and Wales from the TERRA study. METHODS: Two cohorts, those switching from a PRN to a T&E regimen ('prior PRN') and those initiating ranibizumab on the T&E regimen as their first anti-VEGF therapy ('anti-VEGF-naïve') were enrolled in TERRA...
May 15, 2017: Ophthalmology and Therapy
https://www.readbyqxmd.com/read/28505880/redox-regulation-of-ischemic-limb-neovascularization-what-we-have-learned-from-animal-studies
#14
REVIEW
Reiko Matsui, Yosuke Watanabe, Colin E Murdoch
Mouse hindlimb ischemia has been widely used as a model to study peripheral artery disease. Genetic modulation of the enzymatic source of oxidants or components of the antioxidant system reveal that physiological levels of oxidants are essential to promote the process of arteriogenesis and angiogenesis after femoral artery occlusion, although mice with diabetes or atherosclerosis may have higher deleterious levels of oxidants. Therefore, fine control of oxidants is required to stimulate vascularization in the limb muscle...
May 4, 2017: Redox Biology
https://www.readbyqxmd.com/read/28505603/icariin-protects-against-thioacetamide-induced-liver-fibrosis-in-rats-implication-of-anti-angiogenic-and-anti-autophagic-properties
#15
Mardi M Algandaby, Randa M Breikaa, Basma G Eid, Thikrayat A Neamatallah, Ashraf B Abdel-Naim, Osama M Ashour
BACKGROUND: Liver fibrosis is a major health problem. The current study evaluated the potential of icariin (ICA) to guard against thioacetamide (TAA)-induced liver fibrosis in rats. METHODS: Four groups of male rats were treated as follows: group 1 was the control group, group 2 was given TAA (200mg/kg), group 3 was administered ICA (50mg/kg) and TAA (200mg/kg), and group 4 was given ICA (50mg/kg) alone. Animal treatment was continued for four weeks. RESULTS: Co-administration of ICA guarded against TAA hepatotoxicity as indicated by significant inhibition in the rise of serum ALT and AST activities and albumin concentrations...
February 24, 2017: Pharmacological Reports: PR
https://www.readbyqxmd.com/read/28503435/evaluation-of-hyperreflective-foci-as-a-prognostic-factor-of-visual-outcome-in-retinal-vein-occlusion
#16
Bin Mo, Hai-Ying Zhou, Xuan Jiao, Feng Zhang
AIM: To evaluate the potential role of hyperreflective foci (HF) as a prognostic indicator of visual outcome in patients with macular edema (ME) due to retinal vein occlusion (RVO). METHODS: We retrospectively reviewed 50 eyes of 50 patients with ME due to ischemic central retinal vein occlusion (CRVO), non-ischemic CRVO and branch retinal vein occlusion (BRVO) who were treated with anti-vascular endothelial growth factor (anti-VEGF) at Beijing Tongren Eye Center from January 2013 to July 2016...
2017: International Journal of Ophthalmology
https://www.readbyqxmd.com/read/28499383/nintedanib-antiangiogenic-inhibitor-effectiveness-in-delaying-adenocarcinoma-progression-in-transgenic-adenocarcinoma-of-the-mouse-prostate-tramp
#17
Raquel Frenedoso da Silva, Ellen Nogueira-Pangrazi, Larissa Akemi Kido, Fabio Montico, Sarah Arana, Dileep Kumar, Komal Raina, Rajesh Agarwal, Valéria Helena Alves Cagnon
BACKGROUND: In recent times, anti-cancer treatments have focused on Fibroblast Growth Factor (FGF) and Vascular-Endothelial Growth Factor (VEGF) pathway inhibitors so as to target tumor angiogenesis and cellular proliferation. One such drug is Nintedanib; the present study evaluated the effectiveness of Nintedanib treatment against in vitro proliferation of human prostate cancer (PCa) cell lines, and growth and progression of different grades of PCa lesions in pre-clinical PCa transgenic adenocarcinoma for the mouse prostate (TRAMP) model...
May 12, 2017: Journal of Biomedical Science
https://www.readbyqxmd.com/read/28499163/the-diabetic-retinopathy-barometer-study-global-perspectives-on-access-to-and-experiences-of-diabetic-retinopathy-screening-and-treatment
#18
D Cavan, L Makaroff, J da Rocha Fernandes, M Sylvanowicz, P Ackland, J Conlon, D Chaney, A Malhi, J Barratt
AIM: To assess the level of awareness, prevention and treatment of Diabetic Eye Disease (DED) comprising Diabetic Retinopathy (DR) and Diabetic Macula Edema (DME) retinopathy among adults with diabetes and health professionals. METHODS: The Diabetic Retinopathy Barometer Study consisted of a qualitative study, which consisted of semi-structured interviews, and a quantitative study using online surveys for adults with diabetes and for health professionals. RESULTS: A total of 4340 adults with diabetes and 2329 health professionals participated in the surveys...
April 4, 2017: Diabetes Research and Clinical Practice
https://www.readbyqxmd.com/read/28499051/safety-and-efficacy-of-ziv-aflibercept-in-the-treatment-of-refractory-diabetic-macular-edema
#19
Mohammed Ashraf, Hassan El Kayal, Ahmed A R Souka
BACKGROUND AND OBJECTIVE: To evaluate the safety and efficacy of ziv-aflibercept (Zaltrap; Sanofi-Aventis, Bridgewater, NJ/Regeneron Pharmaceuticals, Tarrytown, NY) in the treatment of refractory diabetic macular edema (DME). PATIENTS AND METHODS: Retrospective case series looking at the safety of ziv-aflibercept in patients with DME refractory to previous anti-vascular endothelial growth factor (VEGF) therapy. Detailed ophthalmologic examination, best-corrected visual acuity, and optical coherence tomography measurements were performed pre-switch, as well as at each monthly follow-up visit...
May 1, 2017: Ophthalmic Surgery, Lasers & Imaging Retina
https://www.readbyqxmd.com/read/28498441/radiolabeling-of-vegf165-with-99mtc-to-evaluate-vegfr-expression-in-tumor-angiogenesis
#20
Filippo Galli, Marco Artico, Samanta Taurone, Isabella Manni, Enrica Bianchi, Giulia Piaggio, Bruce D Weintraub, Mariusz W Szkudlinski, Enzo Agostinelli, Rudi A J O Dierckx, Alberto Signore
Angiogenesis is the main process responsible for tumor growth and metastatization. The principal effector of such mechanism is the vascular endothelial growth factor (VEGF) secreted by cancer cells and other components of tumor microenvironment. Radiolabeled VEGF analogues may provide a useful tool to noninvasively image tumor lesions and evaluate the efficacy of anti-angiogenic drugs that block the VEGFR pathway. Aim of the present study was to radiolabel the human VEGF165 analogue with 99mTechnetium (99mTc) and to evaluate the expression of VEGFR in both cancer and endothelial cells in the tumor microenvironment...
May 8, 2017: International Journal of Oncology
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