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Urokinase high dose

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https://www.readbyqxmd.com/read/29552916/the-efficacy-and-safety-of-intermittent-low-dose-urokinase-thrombolysis-for-the-treatment-of-senile-acute-intermediate-high-risk-pulmonary-embolism-a-pilot-trial
#1
Tianming Zhao, Jixiang Ni, Xuehua Hu, Yingnan Wang, Xinge Du
Thrombolysis and anticoagulation were the main treatment methods for acute pulmonary embolism. However, the use of thrombolysis drugs may lead to bleeding complications. We compared intermittent low-dose urokinase (UK) and alteplase (recombinant tissue plasminogen activator [rt-PA]) in normotensive patients with intermediate-high-risk pulmonary embolism. The UK group was treated with intravenous UK 10 000 U/kg once a day for 7 days. The rt-PA group was given alteplase 50 mg by intravenous injection within 2 hours of admission...
January 1, 2018: Clinical and Applied Thrombosis/hemostasis
https://www.readbyqxmd.com/read/29546835/68ga-labeled-hbed-cc-variant-of-upar-targeting-peptide-ae105-compared-with-68ga-nodaga-ae105
#2
Kusum Vats, Rohit Sharma, Haladhar Dev Sarma, Drishty Satpati, Ashutosh Dash
AIMS: The urokinase plasminogen activator receptors (uPAR) over-expressed on tumor cells and their invasive microenvironment are clinically significant molecular targets for cancer research. uPAR-expressing cancerous lesions can be suitably identified and their progression can be monitored with radiolabeled uPAR targeted imaging probes. Hence this study aimed at preparing and evaluating two 68Ga-labeled AE105 peptide conjugates, 68Ga-NODAGA-AE105 and 68Ga-HBED-CC-AE105 as uPAR PET-probes...
March 16, 2018: Anti-cancer Agents in Medicinal Chemistry
https://www.readbyqxmd.com/read/29382029/acute-stent-thrombosis-after-stent-assisted-coiling-in-an-intracranial-aneurysm-patient-carrying-two-reduced-function-cyp2c19-alleles-a-case-report
#3
Lanping Ding, Zhichun Gu, Rong Wang, Yichen Li, Yun Fang
RATIONALE: Stent thrombosis (ST) remains a thorny issue in spite of dual antiplatelet treatment with aspirin plus clopidogrel after stent-assisted coiling (SAC). We report a first case of acute ST after SAC in an intracranial aneurysm (IA) patient who carries two reduced-function CYP2C19 alleles. PATIENT CONCERNS: A 43-year-old Chinese male carrying two reduced-function CYP2C19 alleles was treated with a loading dose of clopidogrel 300 mg and aspirin 300 mg before SAC...
November 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29155385/local-low-dose-urokinase-thrombolysis-for-the-management-of-hemodynamically-stable-pulmonary-embolism-with-right-ventricular-dysfunction
#4
Sara Alcántara Carmona, Marina Pérez Redondo, Luis Nombela Franco, Rocío González Costero, Bárbara Balandín Moreno, Miguel Valdivia de la Fuente, Santiago Méndez Alonso, Agustín García Suárez, Ana Royuela
AIMS: To evaluate the effectiveness of local low-dose urokinase thrombolysis (LLDUT) in hemodynamically stable pulmonary embolism with right ventricular dysfunction (RVD). METHODS AND RESULTS: Prospective study. LLDUT with a 200,000 IU bolus followed by a 100,000 IU/h infusion. Treatment duration was determined through radiological control performed 48-72h into treatment. Follow-up echocardiogram was performed within seven days after LLDUT completion. Evolution of thrombus burden, pulmonary artery pressures (PAP) and RVD were studied, and hemorrhagic complications and mortality were recorded...
November 21, 2017: EuroIntervention
https://www.readbyqxmd.com/read/29106711/interventions-for-treating-central-venous-haemodialysis-catheter-malfunction
#5
REVIEW
Alice L Kennard, Giles D Walters, Simon H Jiang, Girish S Talaulikar
BACKGROUND: Adequate haemodialysis (HD) in people with end-stage kidney disease (ESKD) is reliant upon establishment of vascular access, which may consist of arteriovenous fistula, arteriovenous graft, or central venous catheters (CVC). Although discouraged due to high rates of infectious and thrombotic complications as well as technical issues that limit their life span, CVC have the significant advantage of being immediately usable and are the only means of vascular access in a significant number of patients...
October 26, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/29092122/treatment-of-prosthetic-valve-thrombosis-with-bolus-dose-tenecteplase-an-experience-from-a-developing-country
#6
Rajesh Kumar Jha, Sandeep Bansal, H S Issar, Mayuresh Chaudhary, Sonu Sharma
BACKGROUND AND AIM OF THE STUDY: Prosthetic valve thrombosis (PVT) in metallic prosthetic cardiac valves is not an uncommon condition, and has high mortality and morbidity. Although surgery is the traditional choice for PVT therapy, thrombolysis with newer agents has achieved good success rates. Many studies described in the western literature have used tissue plasminogen activators, while studies from developing countries have been largely based on the use of streptokinase and urokinase...
May 2017: Journal of Heart Valve Disease
https://www.readbyqxmd.com/read/28539608/development-and-validation-of-a-high-throughput-whole-blood-thrombolysis-plate-assay
#7
T Bonnard, L S Law, Z Tennant, C E Hagemeyer
The objective of this work was to develop a high throughput assay for testing in vitro the thrombolytic activity using citrated whole blood samples, and to overcome the limitations of currently available techniques. We successfully developed a method that involves forming halo shaped, tissue factor induced, whole blood clots in 96 well plates, and then precisely measuring the thrombolysis process with a spectrophotometer plate reader. We here describe the implementation of this novel method, which we refer to as halo assay, and its validation with plasmin, urokinase and tissue plasminogen activator at different doses...
May 24, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28352362/feasibility-of-continuous-catheter-directed-thrombolysis-using-low-dose-urokinase-in-combination-with-low-molecular-weight-heparin-for-acute-iliofemoral-venous-thrombosis-in-patients-at-risk-of-bleeding
#8
Guoping Chen, Wangyin Shi, Xu He, Wensheng Lou, Liang Chen, Jianping Gu
The present study aimed to examine the feasibility of catheter-directed thrombolysis (CDT) using continuous infusion of low-dose urokinase in combination with low molecular weight heparin (LMWH) for acute iliofemoral venous thrombosis. This retrospective analysis included patients with symptomatic acute iliofemoral venous thrombosis who received CDT using continuous infusion of low-dose urokinase in combination with LMWH within the past four years. Urokinase was administered at 1×10(4) U/h and 2×10(4) U/h in patients at high-risk and low-risk of bleeding, respectively...
February 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/27826093/cytokine-and-estrogen-stimulation-of-endothelial-cells-augments-activation-of-the-prekallikrein-high-molecular-weight-kininogen-complex-implications-for-hereditary-angioedema
#9
Kusumam Joseph, Baby G Tholanikunnel, Allen P Kaplan
BACKGROUND: When the prekallikrein-high molecular weight kininogen complex is bound to endothelial cells, prekallikrein is stoichiometrically converted to kallikrein because of release of heat shock protein-90 (Hsp90). Although bradykinin formation is typically initiated by factor XII autoactivation, it is also possible to activate factor XII either by kallikrein, thus formed, or by plasmin. OBJECTIVE: Because attacks of hereditary angioedema can be related to infection and/or exposure to estrogen, we questioned whether estrogen or cytokine stimulation of endothelial cells could augment release of Hsp90 and prekallikrein activation...
November 5, 2016: Journal of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/27626257/-regional-intraosseous-thrombolytic-therapy-in-comprehensive-treatment-of-patients-with-diabetic-foot-syndrome
#10
A N Beliaev, A N Rodin, S A Kozlov
The authors assessed efficacy of regional intraosseous administration of urokinase medac in comprehensive treatment of patients with complicated forms of diabetic foot syndrome by means of analysing therapeutic results in a total of 65 patients presenting with pyonecrotic complications of diabetic foot. The patients were subdivided into 2 groups. The control group was composed of 35 patients receiving basic therapy. The study group comprised 30 patients subjected to comprehensive treatment including regional intraosseous (into the heel bone of the affected limb) administration of urokinase medac at a dose of 100 thousand IU for 5 days...
2016: Angiologii︠a︡ i Sosudistai︠a︡ Khirurgii︠a︡, Angiology and Vascular Surgery
https://www.readbyqxmd.com/read/27417288/low-dose-growth-hormone-therapy-reduces-inflammation-in-hiv-infected-patients-a-randomized-placebo-controlled-study
#11
RANDOMIZED CONTROLLED TRIAL
Johanne Bjerre Lindboe, Anne Langkilde, Jesper Eugen-Olsen, Birgitte R Hansen, Thomas H Haupt, Janne Petersen, Ove Andersen
BACKGROUND: Combination antiretroviral therapy (cART) has drastically increased the life expectancy of HIV-infected patients. However, HIV-infected patients exhibit increased inflammation and 33-58% exhibit a characteristic fat re-distribution termed HIV-associated lipodystrophy syndrome (HALS). Recombinant human growth hormone (rhGH) has been tested as treatment of HALS. Low-dose rhGH therapy improves thymopoiesis and fat distribution in HIV-infected patients and appears to be well tolerated...
November 2016: Infectious Diseases
https://www.readbyqxmd.com/read/27378857/effects-of-fluoxetine-on-human-embryo-development
#12
Helena Kaihola, Fatma G Yaldir, Julius Hreinsson, Katarina Hörnaeus, Jonas Bergquist, Jocelien D A Olivier, Helena Åkerud, Inger Sundström-Poromaa
The use of antidepressant treatment during pregnancy is increasing, and selective serotonin reuptake inhibitors (SSRIs) are the most widely prescribed antidepressants in pregnant women. Serotonin plays a role in embryogenesis, and serotonin transporters are expressed in two-cell mouse embryos. Thus, the aim of the present study was to evaluate whether fluoxetine, one of the most prescribed SSRI antidepressant world-wide, exposure influences the timing of different embryo developmental stages, and furthermore, to analyze what protein, and protein networks, are affected by fluoxetine in the early embryo development...
2016: Frontiers in Cellular Neuroscience
https://www.readbyqxmd.com/read/27176787/suppressive-effects-of-a-proton-beam-on-tumor-growth-and-lung-metastasis-through-the-inhibition-of-metastatic-gene-expression-in-4t1-orthotopic-breast-cancer-model
#13
Yun-Suk Kwon, Kyu-Shik Lee, So-Young Chun, Tae Jung Jang, Kyung-Soo Nam
A proton beam is a next generation tool to treat intractable cancer. Although the therapeutic effects of a proton beam are well known, the effect on tumor metastasis is not fully described. Here, we investigated the effects of a proton beam on metastasis in highly invasive 4T1 murine breast cancer cells and their orthotopic breast cancer model. Cells were irradiated with 2, 4, 8 or 16 Gy proton beam, and changes in cell proliferation, survival, and migration were observed by MTT, colony forming and wound healing assays...
July 2016: International Journal of Oncology
https://www.readbyqxmd.com/read/27092498/up-regulation-of-pai-1-and-down-regulation-of-upa-are-involved-in-suppression-of-invasiveness-and-motility-of-hepatocellular-carcinoma-cells-by-a-natural-compound-berberine
#14
Xuanbin Wang, Ning Wang, Hongliang Li, Ming Liu, Fengjun Cao, Xianjun Yu, Jingxuan Zhang, Yan Tan, Longchao Xiang, Yibin Feng
Hepatocellular carcinoma (HCC) is the second leading cause of cancer-related death and its prognosis remains poor due to the high risk of tumor recurrence and metastasis. Berberine (BBR) is a natural compound derived from some medicinal plants, and accumulating evidence has shown its potent anti-tumor activity with diverse action on tumor cells, including inducing cancer cell death and blocking cell cycle and migration. Molecular targets of berberine involved in its inhibitory effect on the invasiveness remains not yet clear...
April 16, 2016: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/27007465/inhibitory-effects-of-avemar-on-proliferation-and-metastasis-of-oral-cancer-cells
#15
Mei-Due Yang, Wen-Shin Chang, Chia-Wen Tsai, Ming-Fu Wang, Yin-Ching Chan, Kung-Chi Chan, Meng-Chun Lu, Ai-Wen Kao, Chin-Mu Hsu, Da-Tian Bau
Oral cancer is keeping its 4th rank on the death causing cancers among Taiwan males, and its metastatic and recurrent rates remain high and a life-threatening issue to the citizens. Fermented wheat germ extract (AVEMAR) is used in clinical cancer nutritional therapy in gastrointestinal cancers but not in oral cancer yet. In this study, the potential of AVEMAR to inhibit tumor proliferation and metastasis of oral cancer was first investigated. Antiproliferative activity of AVEMAR was determined in human oral squamous carcinoma SCC-4 cells by MTT methodology...
2016: Nutrition and Cancer
https://www.readbyqxmd.com/read/26724628/application-of-the-ommaya-reservoir-in-managing-ventricular-hemorrhage
#16
RANDOMIZED CONTROLLED TRIAL
Xi-Tao Yang, Dong-Fu Feng, Liang Zhao, Zhao-Liang Sun, Gang Zhao
BACKGROUND: Intraventricular hemorrhage (IVH) is associated with high morbidity and mortality. This study evaluated the safety and efficacy of the combined treatment of an Ommaya reservoir and conventional external ventricular drainage (EVD) using urokinase in the management of IVH. METHODS: We performed a prospective controlled study. Sixty eligible patients with IVH received conventional EVD alone (group A) or combined EVD and Ommaya reservoir (group B) between January 2010 and January 2015...
May 2016: World Neurosurgery
https://www.readbyqxmd.com/read/26673349/recent-advances-in-the-field-of-anti-cancer-immunotherapy
#17
REVIEW
Henrique Neves, Hang Fai Kwok
BACKGROUND: The main goal of anti-cancer therapy is to specifically inhibit the malignant activity of cancer cells, while leaving healthy cells unaffected. As such, for every proposed therapy, it is important to keep in mind the therapeutic index - the ratio of the toxic dose over the therapeutic dose. The use of immunotherapy has allowed a means to both specifically block protein-protein interaction and deliver cytotoxic events to a tumor-specific antigen. REVIEW SCOPE: It is the objective of this review to give an overview on current immunotherapy treatment for cancers using monoclonal antibodies...
June 2015: BBA Clinical
https://www.readbyqxmd.com/read/26516369/first-in-human-upar-pet-imaging-of-cancer-aggressiveness
#18
Morten Persson, Dorthe Skovgaard, Malene Brandt-Larsen, Camilla Christensen, Jacob Madsen, Carsten H Nielsen, Tine Thurison, Thomas Levin Klausen, Søren Holm, Annika Loft, Anne Kiil Berthelsen, Michael Ploug, Helle Pappot, Klaus Brasso, Niels Kroman, Liselotte Højgaard, Andreas Kjaer
A first-in-human clinical trial with Positron Emission Tomography (PET) imaging of the urokinase-type plasminogen activator receptor (uPAR) in patients with breast, prostate and bladder cancer, is described. uPAR is expressed in many types of human cancers and the expression is predictive of invasion, metastasis and indicates poor prognosis. uPAR PET imaging therefore holds promise to be a new and innovative method for improved cancer diagnosis, staging and individual risk stratification. The uPAR specific peptide AE105 was conjugated to the macrocyclic chelator DOTA and labeled with (64)Cu for targeted molecular imaging with PET...
2015: Theranostics
https://www.readbyqxmd.com/read/26500025/phospho-mek1-2-and-upar-expression-determine-sensitivity-of-aml-blasts-to-a-urokinase-activated-anthrax-lethal-toxin-pragu2-lf
#19
Amira Bekdash, Manal Darwish, Zahra Timsah, Elias Kassab, Hadi Ghanem, Vicky Najjar, Marwan Ghosn, Selim Nasser, Hiba El-Hajj, Ali Bazerbachi, Shihui Liu, Stephen H Leppla, Arthur E Frankel, Ralph J Abi-Habib
In this study, we attempt to target both the urokinase plasminogen activator and the mitogen-activated protein kinase pathway in acute myeloid leukemia (AML) cell lines and primary AML blasts using PrAgU2/LF, a urokinase-activated anthrax lethal toxin. PrAgU2/LF was cytotoxic to five out of nine AML cell lines. Cytotoxicity of PrAgU2/LF appeared to be nonapoptotic and was associated with MAPK activation and urokinase activity because all the PrAgU2/LF-sensitive cell lines showed both uPAR expression and high levels of MEK1/2 phosphorylation...
October 2015: Translational Oncology
https://www.readbyqxmd.com/read/26429955/urokinase-type-plasminogen-activator-receptor-as-a-potential-pet-biomarker-in-glioblastoma
#20
Morten Persson, Mette K Nedergaard, Malene Brandt-Larsen, Dorthe Skovgaard, Jesper T Jørgensen, Signe R Michaelsen, Jacob Madsen, Ulrik Lassen, Hans S Poulsen, Andreas Kjaer
UNLABELLED: Glioblastoma is one of the most malignant types of human cancer, and the prognosis is poor. The development and validation of novel molecular imaging biomarkers has the potential to improve tumor detection, grading, risk stratification, and treatment monitoring of gliomas. The aim of this study was to explore the potential of PET imaging of the urokinase-type plasminogen activator receptor (uPAR) in glioblastoma. METHODS: The uPAR messenger RNA expression of tumors from 19 glioblastoma patients was analyzed, and a cell culture derived from one of these patients was used to establish an orthotopic xenograft model of glioblastoma...
February 2016: Journal of Nuclear Medicine: Official Publication, Society of Nuclear Medicine
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