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Recombinant factor viia

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https://www.readbyqxmd.com/read/27913543/hemophilia-and-inhibitors-current-treatment-options-and-potential-new-therapeutic-approaches
#1
Shannon L Meeks, Glaivy Batsuli
The immune response to infused factor concentrates remains a major source of morbidity and mortality in the treatment of patients with hemophilia A and B. This review focuses on current treatment options and novel therapies currently in clinical trials. After a brief review of immune tolerance regimens, the focus of the discussion is on preventing bleeding in patients with hemophilia and inhibitors. Recombinant factor VIIa and activated prothrombin complex concentrates are the mainstays in treating bleeds in patients with inhibitors...
December 2, 2016: Hematology—the Education Program of the American Society of Hematology
https://www.readbyqxmd.com/read/27895055/role-of-agents-for-reversing-the-effects-of-target-specific-oral-anticoagulants
#2
REVIEW
Tanya R Riley, Mary L Gauthier-Lewis, Chelsea K Sanchez, Janine S Douglas
PURPOSE: The available clinical data on target-specific oral anticoagulant (TSOAC) reversal agents that are currently in development or have been approved by the Food and Drug Administration (FDA) are reviewed. SUMMARY: The development of TSOACs such as dabigatran, rivaroxaban, edoxaban, and apixaban has presented benefits and new challenges. One of the main challenges associated with the use of TSOACs is the lack of suitable agent-specific reversal agents. Several treatment options for the management of life-threatening bleeding events associated with TSOAC use, such as fresh frozen plasma, prothrombin complex concentrates, and recombinant coagulation factor VIIa, have been used, with inconsistent results...
November 28, 2016: American Journal of Health-system Pharmacy: AJHP
https://www.readbyqxmd.com/read/27826851/recombinant-activated-factor-viia-rfviia-treatment-in-very-low-birth-weight-vlbw-premature-infants-with-acute-pulmonary-hemorrhage-a-single-center-retrospective-study
#3
Hese Cosar, Halil Isik, Salih Cagrı Cakır, Nese Yar, Bulent Goksen, Hakan Tokbay, Hasan Kertmen, Nihal Erdoğan, Ikbal Durak
AIM: We aimed to evaluate the efficacy of intravenous administration of recombinant activated factor VIIa (rFVIIa) for acute pulmonary hemorrhage treatment in very-low-birth-weight (VLBW) premature infants. PATIENTS AND METHODS: This study was carried out retrospectively in premature infants with pulmonary hemorrhage that were ≤30 weeks gestational age or <1250 g birth weight. The data of all VLBW premature infants with pulmonary hemorrhage who were hospitalized in our neonatal intensive care unit between 01 January 2013 and 31 December 2015 were evaluated...
November 8, 2016: Paediatric Drugs
https://www.readbyqxmd.com/read/27688624/comparison-of-low-and-high-dose-recombinant-activated-factor-vii-for-postcardiac-surgical-bleeding
#4
Aly Makram Habib
AIM OF THE STUDY: A retrospective observational study to compare safety and efficacy of high and low doses of recombinant activated factor VIIa (rFVIIa) in severe postcardiac surgical bleeding. PATIENTS AND METHODS: From 2004 to 2014, all patients who received rFVIIa for bleeding after cardiac surgery were included and arranged in two groups; Group 1: Low dose (40-50 mcg/kg) (n = 98) and Group 2: High dose (90-120 mcg/kg) (n = 156). RESULTS: There was no significant difference in demographic and surgical characteristics of both groups on admission to Cardiac Surgical Intensive Care Unit (CSICU)...
September 2016: Indian Journal of Critical Care Medicine
https://www.readbyqxmd.com/read/27553841/recombinant-factor-viia-mediated-activation-of-prothrombin-complex-concentrates-studies-on-the-comparison-of-novoseven-with-a-biosimilar-product
#5
Nasiredin Sadeghi, Massimo Iacobelli, Behroz Vaziri, Daniel Kahn, Debra Hoppensteadt, Nil Guler, Jawed Fareed
Recombinant factor VIIa (rFVIIa) is used in the management of bleeding in patients with hemophilia. A generic biosimilar version of NovoSeven is also developed (AryoSeven). To compare the activation profile of NovoSeven and AryoSeven, 2 commercially available protein complex concentrates (PCCs) were used. Profilnine activated by RecombiPlasTin 2G resulted in conversions of prothrombin to prethrombin and thrombin at 5 to 30 minutes. However, addition of rFVIIa at final concentration range of 0.25 to 0.5 µg/mL to the same mixture resulted in total conversion of prothrombin to thrombin with a doublet at 36 kDa...
August 23, 2016: Clinical and Applied Thrombosis/hemostasis
https://www.readbyqxmd.com/read/27547916/comparison-of-fresh-frozen-plasma-four-factor-prothrombin-complex-concentrates-and-recombinant-factor-viia-to-facilitate-procedures-in-critically-ill-patients-with-coagulopathy-from-liver-disease-a-retrospective-cohort-study
#6
Jennifer O Kwon, Robert MacLaren
STUDY OBJECTIVE: To evaluate fresh-frozen plasma (FFP), four-factor prothrombin complex concentrates (PCCs), and recombinant factor VIIa (rFVIIa) for lowering international normalized ratio (INR) and facilitating procedures in critically ill patients with hepatic impairment. DESIGN: Retrospective cohort study. SETTING: Intensive care units at a large university-affiliated teaching hospital. PATIENTS: Forty-five adults with hepatic impairment who were admitted between September 1, 2011, and December 31, 2015, and had an admission INR of 1...
October 2016: Pharmacotherapy
https://www.readbyqxmd.com/read/27541717/a-step-toward-balance-thrombin-generation-improvement-via-procoagulant-factor-and-antithrombin-supplementation
#7
Alexander Y Mitrophanov, Fania Szlam, Roman M Sniecinski, Jerrold H Levy, Jaques Reifman
BACKGROUND: The use of prothrombin complex concentrates in trauma- and surgery-induced coagulopathy is complicated by the possibility of thromboembolic events. To explore the effects of these agents on thrombin generation (TG), we investigated combinations of coagulation factors equivalent to 3- and 4-factor prothrombin complex concentrates with and without added antithrombin (AT), as well as recombinant factor VIIa (rFVIIa), in a dilutional model. These data were then used to develop a computational model to test whether such a model could predict the TG profiles of these agents used to treat dilutional coagulopathy...
September 2016: Anesthesia and Analgesia
https://www.readbyqxmd.com/read/27532142/the-incidence-of-thromboembolism-formation-following-the-use-of-recombinant-factor-viia-in-patients-suffering-from-blunt-force-trauma-compared-with-penetrating-trauma-a-systematic-review
#8
Raymond Devlin, Laura Bonanno, Jennifer Badeaux
BACKGROUND: Rapid replacement of blood loss is critical in patients suffering from traumatic hemorrhage. When the availability of blood products is limited, certain interventions have shown promise in conserving blood supplies. Recombinant factor (rF) VIIa has been administered, as an off-label use, to assist in controlling hemorrhage in trauma patients. Although rFVIIa has a tendency to remain localized to areas of vascular insult, there may be an increase in thromboembolism formation when patients suffer multiple sites of injury as seen in blunt force trauma...
March 2016: JBI Database of Systematic Reviews and Implementation Reports
https://www.readbyqxmd.com/read/27513103/use-of-low-dose-recombinant-activated-factor-vii-in-the-off-label-setting-a-comment-to-the-judicious-use-of-recombinant-factor-viia
#9
Peter Kubisz, Jan Stasko, Pavol Holly
No abstract text is available yet for this article.
August 11, 2016: Seminars in Thrombosis and Hemostasis
https://www.readbyqxmd.com/read/27501477/inhibitor-development-after-liver-transplantation-in-congenital-factor-vii-deficiency
#10
W-S Q See, K-O Chang, D K-L Cheuk, Y-Y R Leung, G C-F Chan, S-C Chan, S-Y Ha
Congenital factor VII (FVII) deficiency is the commonest type of the rare bleeding disorders. Very few cases of congenital FVII deficiency developed inhibitor and liver transplant is considered as definitive treatment. In the literature, twelve patients with congenital FVII deficiency developed inhibitors. Two had spontaneous resolution of inhibitors and one did not respond to high dose recombinant factor VIIa (rFVIIa) and died. Regarding liver transplant in congenital FVII patients, seven patients underwent liver transplant with good prognosis...
September 2016: Haemophilia: the Official Journal of the World Federation of Hemophilia
https://www.readbyqxmd.com/read/27467981/assessment-of-acquired-hemophilia-patient-demographics-in-the-united-states-the-hemostasis-and-thrombosis-research-society-registry
#11
Craig M Kessler, Alice D Ma, Hamid A B Al-Mondhiry, Robert Z Gut, David L Cooper
The Hemostasis and Thrombosis Research Society (HTRS) Registry was used to monitor the postapproval use of recombinant factor VIIa. The objective of this manuscript is to provide key insights on the demographics of patients with acquired hemophilia in the HTRS Registry. Acquired hemophilia patient registration in HTRS captured age; sex; comorbidities and predisposing conditions; first bleeding location; laboratory parameters; exposure to blood products, factor, and bypassing agents; and initiation of immune suppression/tolerance therapy...
October 2016: Blood Coagulation & Fibrinolysis: An International Journal in Haemostasis and Thrombosis
https://www.readbyqxmd.com/read/27436881/management-of-bleeding-with-non-vitamin-k-antagonist-oral-anticoagulants-in-the-era-of-specific-reversal-agents
#12
Christian T Ruff, Robert P Giugliano, Elliott M Antman
Vitamin K antagonists are commonly used by clinicians to provide anticoagulation to patients who have or are at risk of having thrombotic events. In addition to familiarity with the dosing and monitoring of vitamin K antagonists, clinicians are accustomed to using vitamin K if there is a need to reverse the anticoagulant effect of vitamin K antagonists. There are now 4 new non-vitamin K antagonist oral anticoagulants (NOACs) that are attractive alternatives to vitamin K antagonists. Despite similar or lower rates of serious bleeding with NOACs in comparison with warfarin, there is a pressing need for strategies to manage bleeding when it does occur with NOACs and to reverse the pharmacological effect of these agents if needed...
July 19, 2016: Circulation
https://www.readbyqxmd.com/read/27423005/tissue-factor-expressed-by-adherent-cells-contributes-to-hemodialysis-membrane-thrombogenicity
#13
Souad Lakbakbi, Alexandre Debrumetz, Christine Terryn, Jean Szymezak, Philippe Rieu, Philippe Nguyen
End-stage renal patients present a high risk of thrombosis and bleeding. Consequently, it is challenging to prevent clotting during hemodialysis. If a contact system induces thrombin generation in the extra corporeal circuit, recent data suggest a role of tissue factor (TF) in hemodialysis-associated thrombosis. Using a method of elution, we collected adhering cells to an acrylonitrile membrane layered by polythyleneimine (AN69-ST). Using optic microscopy and flow cytometry, we observed that adherent cells were mainly constituted by activated polymorphonuclear neutrophils (PMNs)...
August 2016: Thrombosis Research
https://www.readbyqxmd.com/read/27420728/severe-perioperative-bleeding-in-renal-cell-carcinoma-after-elective-pericardiocentesis-associated-left-ventricular-puncture-case-report
#14
Javier Lasala, Miguel Alejandro Patino, Gabriel Mena, Shital Vachhani, Teresa Moon, Thao Bui, January Tsai
In the United States during the year 2015, approximately 61,560 patients are expected to be diagnosed with kidney cancer and 14,080 to die from the disease. We present the case of a patient with renal cell carcinoma who suffered severe perioperative bleeding and coagulopathy after emergency sternotomy. We also engage in relevant aspects of perioperative anesthesia care including the considerations and management of coagulopathy, liver failure and renal failure in the oncologic patient. The case is a 49-year-old man with vena cava tumor thrombus who underwent radiologic tumor embolization, left radical nephrectomy, and inferior vena cava (IVC) thrombectomy...
2016: Medwave
https://www.readbyqxmd.com/read/27261934/intrapulmonary-recombinant-factor-vii-as-an-effective-treatment-for-diffuse-alveolar-hemorrhage-a-case-series
#15
Mary S Baker, Khalil J Diab, W Graham Carlos, Praveen Mathur
BACKGROUND: The diffuse alveolar hemorrhage (DAH) syndrome is a life-threatening pulmonary complication related to systemic vasculitides, posthematopoietic stem cell transplantation, drugs, or toxins. Once DAH develops, the mortality rate is as high as 50% to 80%. Initial treatment consists of high-dose steroids and supportive measures, including mechanical ventilation. We present a case series of 6 patients treated with intrapulmonary recombinant factor VIIa (rFVIIa) to treat refractory DAH...
July 2016: Journal of Bronchology & Interventional Pulmonology
https://www.readbyqxmd.com/read/27232114/safety-and-efficacy-of-recombinant-factor-viia-by-pediatric-age-cohort-reassessment-of-compassionate-use-and-trial-data-supporting-us-label
#16
Stacy E Croteau, Charles Nakar, Ellis J Neufeld, Amy Shapiro, David L Cooper
BACKGROUND: The relative safety and efficacy of recombinant activated coagulation factor VII (rFVIIa, NovoSeven® RT) across pediatric age cohorts is poorly defined. The objective of this analysis was to assess the safety and efficacy of rFVIIa in pediatric patients with congenital hemophilia with inhibitors (CHwI) in the clinical studies supporting the U.S. labeling. PROCEDURE: Pediatric data were derived from seven studies (five acute and two perioperative treatments) and pooled...
October 2016: Pediatric Blood & Cancer
https://www.readbyqxmd.com/read/27218201/elevated-prothrombin-time-on-routine-preoperative-laboratory-results-in-a-healthy-infant-undergoing-craniosynostosis-repair-diagnosis-and-perioperative-management-of-congenital-factor-vii-deficiency
#17
Kareen L Jones, Robert S Greenberg, Edward S Ahn, Sapna R Kudchadkar
INTRODUCTION: Congenital factor VII deficiency is a rare bleeding disorder with high phenotypic variability. It is critical that children with congenital Factor VII deficiency be identified early when high-risk surgery is planned. Cranial vault surgery is common for children with craniosynostosis, and these surgeries are associated with significant morbidity mostly secondary to the risk of massive blood loss. PRESENTATION OF CASE: A two-month old infant who presented for elective craniosynostosis repair was noted to have an elevated prothrombin time (PT) with a normal activated partial thromboplastin time (aPTT) on preoperative labs...
2016: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/27186216/diffuse-alveolar-hemorrhage-and-recombinant-factor-viia-treatment-in-pediatric-patients
#18
REVIEW
Jeong A Park
Diffuse alveolar hemorrhage (DAH) is a life-threatening pulmonary complication in patients with hematologic malignancies or autoimmune disorders. The current treatment options, which include corticosteroids, transfusions, extracorporeal membrane oxygenation (ECMO), and immunosuppressants, have been limited and largely unsuccessful. Recombinant activated factor VII (rFVIIa) has been successfully administered, either systemically or bronchoscopically, to adults for the treatment of DAH, but there are few data on its use in pediatric patients...
March 2016: Korean Journal of Pediatrics
https://www.readbyqxmd.com/read/27153475/amniotic-fluid-embolism-update-and-review
#19
Pervez Sultan, Katherine Seligman, Brendan Carvalho
PURPOSE OF REVIEW: This article reviews our current understanding of amniotic fluid embolism (AFE), specifically the pathogenesis, treatment strategies, potential diagnostic tests and future therapeutic interventions for AFE. RECENT FINDINGS: The incidence and case mortality of AFE varies widely because of heterogeneous diagnostic criteria and varying reporting mechanisms across the world. Amniotic fluid embolism is thought to be caused by abnormal activation of immunologic mechanisms following entry of fetal antigens into maternal circulation...
June 2016: Current Opinion in Anaesthesiology
https://www.readbyqxmd.com/read/27125421/successful-treatment-with-recombinant-blood-factor-viia-in-severe-postpartum-hemorrhage-induced-disseminated-intravascular-coagulation
#20
C Y Wang, Y C Chen, C H Lin, K S Hwang, H Y Su
No abstract text is available yet for this article.
April 2016: Taiwanese Journal of Obstetrics & Gynecology
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