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Cascade for treatment with new anticoagulants

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https://www.readbyqxmd.com/read/29669778/factor-viia-induces-anti-inflammatory-signaling-via-epcr-and-par1
#1
Vijay Kondreddy, Jue Wang, Shiva Keshava, Charles T Esmon, L Vijaya Mohan Rao, Usha R Pendurthi
Recent studies show that endothelial cell protein C receptor (EPCR) interacts with diverse ligands, in addition to its known ligands protein C and activated protein C (APC). We showed in earlier studies that procoagulant clotting factor VIIa (FVIIa) binds EPCR and downregulates EPCR-mediated anticoagulation and induces an endothelial barrier protective effect. Here, we investigated the effect of FVIIa's interaction with EPCR on endothelial cell inflammation and lipopolysaccharide (LPS)-induced inflammatory responses in vivo...
May 24, 2018: Blood
https://www.readbyqxmd.com/read/29669504/atrial-fibrillation-in-autoimmune-rheumatic-diseases-from-the-pathogenesis-to-the-treatment
#2
Giuseppe Ciconte, Manuel Conti, Martina Evangelista, Carlo Pappone
BACKGROUND: Atrial fibrillation (AF) is the most prevalent cardiac arrhythmia in the general population and is associated with an increased number of adverse outcomes. The onset and maintenance of this arrhythmia requires a trigger event and the presence of a predisposing substrate. Atrial fibrosis, a major characteristic of AF-related structural remodeling, represents a process closely related to inflammation as demonstrated by emerging evidence. Aim of this article is to review the evidence linking AF to systemic autoimmune diseases...
April 17, 2018: Reviews on Recent Clinical Trials
https://www.readbyqxmd.com/read/29566413/rivaroxaban-a-new-treatment-paradigm-in-the-setting-of-vascular-protection
#3
Rupert Bauersachs, Faiez Zannad
The pathophysiology of atherosclerosis involves a diseased endothelium, lipid accumulation and low-grade inflammation. In later stages of coronary artery disease (CAD) and peripheral arterial disease (PAD), plaque rupture may induce atherothrombosis caused by fibrin formation and platelet activation, leading to vessel occlusion with subsequent organ damage such as myocardial infarction, stroke or limb ischaemia. Because of the high disease burden associated with CAD and PAD, there is a need for continuous vascular protection beyond currently available treatments including antiplatelet agents...
March 22, 2018: Thrombosis and Haemostasis
https://www.readbyqxmd.com/read/29541874/update-on-antiphospholipid-syndrome-ten-topics-in-2017
#4
REVIEW
Ilaria Cavazzana, Laura Andreoli, Maarteen Limper, Franco Franceschini, Angela Tincani
PURPOSE OF REVIEW: This review focuses on new clinical aspects of antiphospholipid syndrome (APS) in the last 5 years. RECENT FINDINGS: The pathogenesis of APS is related to endothelial activation by mechanisms other than autoantibody-mediated massive coagulation. These include Toll-like receptors, the m-TORC pathway, and neutrophil activation, inducing an uncontrolled inflammatory cascade. Given these new pathogenetic hypotheses, the treatment of APS could be directed towards a fine balance between anticoagulation and immunomodulation...
March 15, 2018: Current Rheumatology Reports
https://www.readbyqxmd.com/read/29224364/new-anticoagulants-for-venous-thromboembolism-and-atrial-fibrillation-what-the-future-holds
#5
REVIEW
Gerasimos Dimitropoulos, S M Zubair Rahim, Alexandra Sophie Moss, Gregory Y H Lip
The field of anticoagulation has seen impressive progress over the last decade. The introduction of the Non Vitamin K Oral Anticoagulants (NOACs) has revolutionized practice surrounding thromboprophylaxis, treatment of thromboembolic disease and stroke prevention in atrial fibrillation (AF). However, the search for the 'holy grail' of anticoagulation, an agent that combines optimal efficacy with minimal bleeding diathesis, continues. Areas covered: In this paper we aim to summarize the current evidence from pre-clinical studies and early phase clinical trials, presenting the pharmacodynamic and pharmacokinetic properties as well as the safety and efficacy profiles of the most important antithrombotic agents in development...
January 2018: Expert Opinion on Investigational Drugs
https://www.readbyqxmd.com/read/28926093/pulmonary-hypertension-molecular-aspects-of-current-therapeutic-intervention-and-future-direction
#6
REVIEW
Taruna K Arora, Amit K Arora, Monika K Sachdeva, Satyendra K Rajput, Arun K Sharma
Pulmonary hypertension (PH) is a life-threatening lung disorder with towering prevalence and risk for future has been gradually rising worldwide. Even, no specific medications are available for pulmonary hypertension; various classes of treatment based upon the origin and magnitude of hypertension are still used for the treatment of PH. Consideration of molecular or signaling modulation is the imperative approach that can offer a new notion for prevalent pharmacotherapeutic agents. Instead of concurrent targets, including endothelin receptor antagonists (ETA/ETB), phosphodiesterase 5 inhibitor (PDF-5), calcium channel blockers, anticoagulants, diuretics, and long acting prostacyclin analog, recent scientific reports revealed the numerous potential alternative therapeutic approaches that can significantly target the pathological signaling alteration associated with PH...
May 2018: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/28731874/novel-targets-for-anticoagulants-lacking-bleeding-risk
#7
REVIEW
Julia K Bickmann, Trevor Baglin, Joost C M Meijers, Thomas Renné
PURPOSE OF REVIEW: Arterial and venous thromboembolic diseases are associated with significant morbidity and mortality and present a major medical burden. Currently used anticoagulants for the prevention or treatment of thromboembolic events including heparins, vitamin K-antagonists and inhibitors of thrombin or factor Xa target enzymes of the coagulation cascade that are critical for fibrin formation. However, fibrin is also necessary for hemostatic mechanisms to terminate blood loss at injury sites...
September 2017: Current Opinion in Hematology
https://www.readbyqxmd.com/read/28365976/new-anticoagulants-for-the-prevention-and-treatment-of-venous-thromboembolism
#8
REVIEW
Joo Hee Kim, Kyung-Min Lim, Hye Sun Gwak
Anticoagulant drugs, like vitamin K antagonists and heparin, have been the mainstay for the treatment and prevention of venous thromboembolic disease for many years. Although effective if appropriately used, traditional anticoagulants have several limitations such as unpredictable pharmacologic and pharmacokinetic responses and various adverse effects including serious bleeding complications. New oral anticoagulants have recently emerged as an alternative because of their rapid onset/offset of action, predictable linear dose-response relationships and fewer drug interactions...
September 1, 2017: Biomolecules & Therapeutics
https://www.readbyqxmd.com/read/28288507/anticoagulation-in-cirrhosis-a-new-paradigm
#9
REVIEW
Filippo Leonardi, Nicola De Maria, Erica Villa
The liver plays a crucial role in coagulation cascade. Global hemostatic process is profoundly influenced by the presence of liver disease and its complications. Patients with cirrhosis have impaired synthesis of most of the factors involved in coagulation and fibrinolysis process due to a reduced liver function and altered platelet count secondary to portal hypertension. Altered routine tests and thrombocytopenia were considered in the past as associated with increased risk of bleeding. These concepts explain both the routine use of plasma and/or platelets transfusion in patients with liver cirrhosis, especially before invasive procedures, and why these patients were considered "auto-anticoagulated"...
March 2017: Clinical and Molecular Hepatology
https://www.readbyqxmd.com/read/27334977/the-antiphospholipid-syndrome-from-pathophysiology-to-treatment
#10
REVIEW
Simone Negrini, Fabrizio Pappalardo, Giuseppe Murdaca, Francesco Indiveri, Francesco Puppo
Antiphospholipid antibody syndrome (APS) is an autoimmune acquired thrombophilia characterized by recurrent thrombosis and pregnancy morbidity in the presence of antiphospholipid antibodies (aPL). APS can be primary, if it occurs in the absence of any underlying disease, or secondary, if it is associated with another autoimmune disorder, most commonly systemic lupus erythematosus. The exact pathogenetic mechanism of APS is unknown, but different, not mutually exclusive, models have been proposed to explain how anti-PL autoantibodies might lead to thrombosis and pregnancy morbidity...
August 2017: Clinical and Experimental Medicine
https://www.readbyqxmd.com/read/27203170/-vascular-calcifications-the-hidden-side-effects-of-vitamin-k-antagonists
#11
REVIEW
Youssef Bennis, Subashini Vengadessane, Sandra Bodeau, Valérie Gras, Giampiero Bricca, Saïd Kamel, Sophie Liabeuf
Despite the availability of new oral anticoagulants, vitamin K antagonists (VKA, such as fluindione, acenocoumarol or warfarin) remain currently the goal standard medicines for oral prevention or treatment of thromboembolic disorders. They inhibit the cycle of the vitamin K and its participation in the enzymatic gamma-carboxylation of many proteins. The VKA prevent the activation of the vitamin K-dependent blood clotting factors limiting thus the initiation of the coagulation cascade. But other proteins are vitamin K-dependent and also remain inactive in the presence of VKA...
September 2016: Thérapie
https://www.readbyqxmd.com/read/27082776/specific-antidotes-against-direct-oral-anticoagulants-a-comprehensive-review-of-clinical-trials-data
#12
REVIEW
Ramyashree Tummala, Ana Kavtaradze, Anjan Gupta, Raktim Kumar Ghosh
The Vitamin K antagonist warfarin was the only oral anticoagulant available for decades for the treatment of thrombosis and prevention of thromboembolism until Direct Oral Anticoagulants (DOACs); a group of new oral anticoagulants got approved in the last few years. Direct thrombin inhibitor: dabigatran and factor Xa inhibitors: apixaban, rivaroxaban, and edoxaban directly inhibit the coagulation cascade. DOACs have many advantages over warfarin. However, the biggest drawback of DOACs has been the lack of specific antidotes to reverse the anticoagulant effect in emergency situations...
July 1, 2016: International Journal of Cardiology
https://www.readbyqxmd.com/read/26660521/dual-pathway-therapy-in-acute-coronary-syndrome
#13
REVIEW
Peter Stachon, Ingo Ahrens, Christoph Bode, Andreas Zirlik
In 10 % of patients, who suffer an acute coronary syndrome (ACS), a major cardiovascular event occurs despite optimal therapy. The occlusion of the vessel is driven by atherothrombosis, which arises from platelet activation and activation of the coagulation cascade. In the last decade the secondary prevention continuously improved by development of dual anti-platelet therapy with new P2Y12-inhibitors such as clopidogrel, prasugrel, and ticagrelor. Until recently, the coagulation cascade was not targeted in secondary prevention...
August 2016: Journal of Thrombosis and Thrombolysis
https://www.readbyqxmd.com/read/25862281/plasma-and-plasma-protein-product-transfusion-a-canadian-blood-services-centre-for-innovation-symposium
#14
Michelle P Zeller, Khalid S Al-Habsi, Mia Golder, Geraldine M Walsh, William P Sheffield
Plasma obtained via whole blood donation processing or via apheresis technology can either be transfused directly to patients or pooled and fractionated into plasma protein products that are concentrates of 1 or more purified plasma protein. The evidence base supporting clinical efficacy in most of the indications for which plasma is transfused is weak, whereas high-quality evidence supports the efficacy of plasma protein products in at least some of the clinical settings in which they are used. Transfusable plasma utilization remains composed in part of applications that fall outside of clinical practice guidelines...
July 2015: Transfusion Medicine Reviews
https://www.readbyqxmd.com/read/25855702/direct-acting-oral-anticoagulants-as-emerging-treatment-options-for-heparin-induced-thrombocytopenia
#15
REVIEW
Marta A Miyares, Kyle A Davis
OBJECTIVE: To review the evidence for the use of the direct-acting oral anticoagulants (DOACs) in adult patients with heparin-induced thrombocytopenia (HIT). DATA SOURCE: A PubMed search (1950-February 2015) was collected using the terms heparin-induced thrombocytopenia, with dabigatran, rivaroxaban, or apixaban, or heparin-induced thrombocytopenia and target-specific anticoagulants, or heparin-induced thrombocytopenia and direct-acting oral anticoagulants, or heparin-induced thrombocytopenia and new oral anticoagulants...
June 2015: Annals of Pharmacotherapy
https://www.readbyqxmd.com/read/25744739/dual-antiplatelet-therapy-for-coronary-artery-disease
#16
REVIEW
Cheol Whan Lee
Platelets initiate the formation of a thrombus at the site of an arterial injury, and the clotting cascade is activated as the thrombus matures. After coronary stent placement, dual antiplatelet therapy (DAPT) with aspirin and ticlopidine dramatically reduces the risk of stent thrombosis, compared with anticoagulation therapy, and has become the standard of care for prevention of stent thrombosis. Clopidogrel is a second-generation thienopyridine that eliminates the serious side effects of ticlopidine, and new P2Y12 receptor blockers have emerged to overcome the limitations of clopidogrel...
2015: Circulation Journal: Official Journal of the Japanese Circulation Society
https://www.readbyqxmd.com/read/25356860/eculizumab-for-treating-patients-with-paroxysmal-nocturnal-hemoglobinuria
#17
REVIEW
Arturo J Martí-Carvajal, Vidhu Anand, Andrés Felipe Cardona, Ivan Solà
BACKGROUND: Paroxysmal nocturnal hemoglobinuria (PNH) is a chronic, not malignant, disease of the hematopoietic stem cells, associated with significant morbidity and mortality. It is a rare disease with an estimated incidence of 1.3 new cases per one million individuals per year. The treatment of PNH has been largely empirical and symptomatic, with blood transfusions, anticoagulation, and supplementation with folic acid or iron. Eculizumab, a biological agent that inhibits complement cascade, was developed for preventing hemolytic anemia and severe thrombotic episodes...
October 30, 2014: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/25231888/prolinamide-derivatives-as-thrombin-inhibitors-for-the-treatment-of-thrombin-mediated-diseases-a-patent-evaluation-of-us2013296245
#18
REVIEW
Zhi-Hao Shi, Nian-Guang Li, Yu-Ping Tang, Jin-Ao Duan
INTRODUCTION: Thrombotic disorders can lead to deep vein thrombosis, myocardial infarction and stroke. Thrombin plays a vital role in cascade reaction of blood coagulation, inhibition of the activity of thrombin can block the formation of thrombus and direct thrombin inhibitor has a prospect to overcome the limitations in application of the traditional anticoagulant drugs. AREAS COVERED: The current patent US2013296245 describes a series of prolinamide derivatives with formula (I) as thrombin inhibitors...
October 2014: Expert Opinion on Therapeutic Patents
https://www.readbyqxmd.com/read/25228726/new-oral-anticoagulants-in-thrombotic-antiphospholipid-syndrome
#19
C B Chighizola, M Moia, P L Meroni
A main goal in clinical management of patients with antiphospholipid syndrome (APS) is to prevent thrombotic recurrences and/or miscarriages. For many decades, the only available oral anticoagulant drugs have been vitamin K antagonists (VKA), which are still the cornerstone of long-term treatment of thromboembolism. However, the limits of VKA treatment are well known: narrow therapeutic window and high patient-to-patient variability of response. Moreover, in some patients with APS a higher international normalized ratio (INR) therapeutic target was suggested, and INR inaccuracy due to antiphospholipid antibodies was reported...
October 2014: Lupus
https://www.readbyqxmd.com/read/25136597/management-of-the-bleeding-patient-receiving-new-oral-anticoagulants-a-role-for-prothrombin-complex-concentrates
#20
REVIEW
Lisa M Baumann Kreuziger, Joseph C Keenan, Colleen T Morton, David J Dries
Ease of dosing and simplicity of monitoring make new oral anticoagulants an attractive therapy in a growing range of clinical conditions. However, newer oral anticoagulants interact with the coagulation cascade in different ways than traditional warfarin therapy. Replacement of clotting factors will not reverse the effects of dabigatran, rivaroxaban, or apixaban. Currently, antidotes for these drugs are not widely available. Fortunately, withholding the anticoagulant and dialysis are freqnently effective treatments, particularly with rivaroxaban and dabigatran...
2014: BioMed Research International
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