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https://www.readbyqxmd.com/read/28627937/the-safety-of-intra-articular-injections-for-the-treatment-of-knee-osteoarthritis-a-critical-narrative-review
#1
Christelle Nguyen, François Rannou
International guidelines recommend that the management of knee osteoarthritis (OA) combine both nonpharmacological and pharmacological interventions. Intra-articular (IA) therapies are considered part of this multimodal approach and are well-established Food and Drug Administration (FDA) and European Medicines Agency (EMA)-approved treatments. Areas covered. Safety data for knee OA, including IA corticosteroids, hyaluronic acid, platelet-rich plasma and botulinum toxin are critically reviewed, and evidence- and pratice-based measures to improve safety of IA therapies are discussed...
June 19, 2017: Expert Opinion on Drug Safety
https://www.readbyqxmd.com/read/28611202/role-of-platelet-derived-tgf%C3%AE-1-in-the-progression-of-ovarian-cancer
#2
Qianghua Hu, Takeshi Hisamatsu, Monika Hammerle, Min Soon Cho, Sunila Pradeep, Rajesha Rupaimoole, Cristian Rodriguez-Aguayo, Gabriel Lopez-Berestein, Stephen Tc Wong, Anil K Sood, Vahid Afshar-Kharghan
Transforming growth factor β1 (Tgfß1) plays an important role in cancer.  Most of Tgfß1 in plasma is from platelets, thus we studied whether platelet Tgfß1 has any role in the progression of ovarian cancer, and whether this role is limited to metastasis or also involves the growth of primary tumors. <br /><br />Experimental Design: We compared the growth of murine ovarian cancer cell-induced tumors in platelet-specific Tgfß1 deficient mice and wild-type mice.  Using resected tumor nodules, we studied the effect of platelet Tgfß1 on neoangiogenesis and on platelet extravasation into tumors...
June 13, 2017: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
https://www.readbyqxmd.com/read/28594458/concizumab-an-anti-tissue-factor-pathway-inhibitor-antibody-induces-increased-thrombin-generation-in-plasma-from-haemophilia-patients-and-healthy-subjects-measured-by-the-thrombin-generation-assay
#3
E K Waters, J Sigh, U Friedrich, I Hilden, B B Sørensen
AIMS: Concizumab, a humanized monoclonal antibody against tissue factor pathway inhibitor (TFPI), is being developed as a subcutaneously (s.c.) administered treatment for haemophilia. It demonstrated a concentration-dependent procoagulant effect in functional TFPI assays; however, global haemostatic assays, such as the thrombin generation assay (TGA), offer a more complete picture of coagulation. We investigated how concizumab affects thrombin generation following ex vivo spiking in plasma from haemophilia patients using the TGA, and if the assay can detect the effect of multiple s...
June 8, 2017: Haemophilia: the Official Journal of the World Federation of Hemophilia
https://www.readbyqxmd.com/read/28593773/-hellp-syndrome-requiring-therapeutic-plasma-exchange-due-to-progression-to-multiple-organ-dysfunction-syndrome-with-predominant-encephalopathy-respiratory-and-renal-insufficiency
#4
M Trávniková, J Gumulec, Z Kořístek, M Navrátil, M Janáč, J Pelková, P Šuráň, E Doležálková, O Šimetka
OBJECTIVE: Case report of woman with twin pregnancy complicated by HELLP syndrome which progressed to multiple organ dysfunction syndrome with predominant encephalopathy, renal and respiratory insufficiency with the need to perform repeated therapeutic plasma exchange. DESIGN: Case report. SETTING: Department of gynecology and obstetrics, University Hospital in Ostrava; Departmet of hematooncology, University Hospital in Ostrava; Department of gynecology and obstetrics, Vsetín hospital; Department of hematology and transfusion, Vsetín Hospital...
2017: Ceská Gynekologie
https://www.readbyqxmd.com/read/28590357/rotem-significantly-optimizes-transfusion-practices-for-damage-control-resuscitation-in-combat-casualties
#5
Nicolas J Prat, Andrew D Meyer, Nichole K Ingalls, Julie Trichereau, Joseph J DuBose, Andrew P Cap
BACKGROUND: Up to 40% of combat casualties with a truncal injury die of massive hemorrhage before reaching a surgeon. This hemorrhage can be prevented with damage control resuscitation (DCR) methods, which are focused on replacing shed whole blood (WB) by empirically transfusing blood components in a 1:1:1:1 ratio of platelets:plasma:erythrocytes:cryoprecipitate (PLT:FFP:RBC:CRYO). Measurement of hemostatic function with thromboelastometry (ROTEM) may allow optimization of the type and quantity of blood products transfused...
June 6, 2017: Journal of Trauma and Acute Care Surgery
https://www.readbyqxmd.com/read/28578536/population-pharmacokinetic-and-exposure-response-analyses-of-prasugrel-in-pediatric-patients-with-sickle-cell-anemia
#6
Brian A Moser, Elizabeth S LaBell, Emmanuel Chigutsa, Joseph A Jakubowski, David S Small
BACKGROUND AND OBJECTIVE: Prasugrel, a P2Y12 adenosine diphosphate (ADP) receptor antagonist, inhibits ADP-mediated platelet activation and aggregation in patients with sickle cell anemia (SCA). We developed a population pharmacokinetic (popPK) model in pediatric patients from 2 to <18 years of age with SCA, and performed exposure-response evaluations to characterize the effects of prasugrel in a subset of these patients who weighed 19 kg or more and experienced at least two episodes of vaso-occlusive crises (VOC) in the past year...
June 3, 2017: Clinical Pharmacokinetics
https://www.readbyqxmd.com/read/28544774/safety-pharmacokinetics-and-pharmacodynamics-of-hetrombopag-olamine-a-novel-tpo-r-agonist-in-healthy-subjects
#7
Li Zheng, Mao-Zhi Liang, Xiao-Ling Zeng, Cai-Zheng Li, Yi-Fan Zhang, Xiao-Yan Chen, Xi Zhu, An-Bo Xiang
Hetrombopag olamine (hetrombopag) is a novel small-molecule, orally bioavailable, non-peptide thrombopoietin (TPO) receptor agonist that is being developed as the treatment for thrombocytopenia. Two randomized, placebo-controlled phase I studies were conducted in 72 healthy subjects to assess the safety, tolerability, pharmacokinetics and pharmacodynamics of hetrombopag. Hetrombopag was orally administered with a single dose in 5 dose cohorts (5 mg, 10 mg, 20 mg, 30 mg or 40 mg) in the first study, and given once daily for 10 days in 3 dose cohorts (2...
May 24, 2017: Basic & Clinical Pharmacology & Toxicology
https://www.readbyqxmd.com/read/28528433/hydrolysis-of-phosphatidylcholine-isoprostanes-ptdcho-ip-by-peripheral-human-group-iia-v-and-x-secretory-phospholipases-a2-spla2
#8
Arnis Kuksis, Waldemar Pruzanski
Biologically active F- and E/D-type-prostane ring isomers (F2-IP and E2/D2-IP, respectively) are produced in situ by non-enzymatic peroxidation of arachidonic acid esterified to GroPCho (PtdCho-IP) and are universally distributed in tissue lipoproteins and cell membranes. Previous work has shown that platelet-activating factor acetylhydrolases (PAF-AH) are the main endogenous PLA2 involved in degradation of PtdCho-IP. The present study shows that the PtdCho-IP are also subject to hydrolysis by group IIA, V and X secretory PLA2, which also have a wide peripheral tissue distribution...
May 20, 2017: Lipids
https://www.readbyqxmd.com/read/28509821/minimum-information-for-studies-evaluating-biologics-in-orthopaedics-mibo-platelet-rich-plasma-and-mesenchymal-stem-cells
#9
Iain R Murray, Andrew G Geeslin, Ewan B Goudie, Frank A Petrigliano, Robert F LaPrade
BACKGROUND: A comprehensive approach to the evaluation of biologic therapies for musculoskeletal conditions is required to guide appropriate future use. Clinical studies evaluating platelet-rich plasma (PRP) and mesenchymal stem cells (MSCs) are limited by inadequate reporting of scientific details critical to outcome. We developed minimum reporting requirements for clinical studies evaluating PRP and MSCs using Delphi consensus methods. METHODS: The need for consensus on the minimum reporting requirements for studies evaluating biologics was identified at the American Academy of Orthopaedic Surgeons/Orthopaedic Research Society (AAOS/ORS) Biologic Treatments for Orthopaedic Injuries Symposium in 2015 and the American Orthopaedic Society for Sports Medicine (AOSSM) Biologic Treatments for Sports Injuries II Think Tank in 2015...
May 17, 2017: Journal of Bone and Joint Surgery. American Volume
https://www.readbyqxmd.com/read/28498471/sodium-tanshinone-iia-sulfonate-improves-inflammation-aortic-endothelial-cell-apoptosis-disseminated-intravascular-coagulation-and-multiple-organ-damage-in-a-rat-heat-stroke-model
#10
Fang Chen, Huimin Li, Guoguo Zhu, Xiaojuan Chen, Zhongzhi Tang
The aim of the present study was to investigate the effects of sodium tanshinone IIA sulfonate (STS) on inflammatory responses, aortic endothelial cell apoptosis, disseminated intravascular coagulation (DIC) and multiple organ damage in an animal model of classic heat stroke (CHS). The rats in the heat stroke (HS) and STS‑treated heat stroke (STS‑HS) groups were placed into a pre‑warmed animal temperature controller (ATC) at 35˚C. The moment at which the rectal temperature reached 43.5˚C was considered as the time of onset of HS...
July 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28439902/concentrated-lyophilized-plasma-used-for-reconstitution-of-whole-blood-leads-to-higher-coagulation-factor-activity-but-unchanged-thrombin-potential-compared-with-fresh-frozen-plasma
#11
Giacomo E Iapichino, Martin Ponschab, Janne Cadamuro, Susanne Süssner, Christian Gabriel, Benjamin Dieplinger, Margot Egger, Christoph J Schlimp, Soheyl Bahrami, Herbert Schöchl
BACKGROUND: During massive hemorrhage, it is recommended to transfuse red blood cells, platelet concentrate, and fresh-frozen plasma in a ratio close to 1:1:1. To avoid the thawing process of fresh frozen plasma, lyophilized plasma (LP) is increasingly used. Evidence is limited on the activity of coagulation factors in reconstituted blood using LP and concentrated LP versions. STUDY DESIGN AND METHODS: Whole blood from ten healthy volunteers was separated into red blood cell, fresh frozen plasma, and platelet concentrate units...
April 25, 2017: Transfusion
https://www.readbyqxmd.com/read/28341267/in-vivo-clinical-and-radiological-effects-of-platelet-rich-plasma-on-interstitial-supraspinatus-lesion-case-series
#12
A Lädermann, M A Zumstein, F C Kolo, M Grosclaude, L Koglin, A J P Schwitzguebel
BACKGROUND: Rotator cuff tear (RCT) is a frequent condition of clinical relevance that can be managed with a symptomatic conservative treatment, but surgery is often needed. Biological components like leukocytes and platelet rich plasma (L-PRP) could represent an alternative curative method for interstitial RCT. HYPOTHESES: It has been hypothesized that an ultrasound guided L-PRP injection in supraspinatus interstitial RCT could induce radiological healing. MATERIAL AND METHODS: A prospective case series including 25 patients was performed in order to assess the effect of L-PRP infiltration into supraspinatus interstitial RCTs...
December 2016: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/28339166/pharmacokinetics-pharmacodynamics-pharmacogenomics-safety-and-tolerability-of-avatrombopag-in-healthy-japanese-and-white-subjects
#13
Maiko Nomoto, Gina Pastino, Bhaskar Rege, Jagadeesh Aluri, Jim Ferry, David Han
Avatrombopag, an orally administered, small-molecule thrombopoietin receptor (c-Mpl) agonist, is currently in clinical development for the potential treatment of severe thrombocytopenia in patients with chronic liver disease undergoing an elective procedure. The objectives of this study were to characterize and compare the pharmacokinetics (including the food effect) and pharmacodynamics (platelet count) of avatrombopag following single doses in Japanese and white subjects. Following single dosing under fasted and fed conditions, mean peak concentrations occurred at 5 to 8 hours and subsequently declined with a half-life of 16 to 18 hours in Japanese and white subjects...
March 24, 2017: Clinical Pharmacology in Drug Development
https://www.readbyqxmd.com/read/28337278/synthesis-of-huaicarbon-a-b-and-their-activating-effects-on-platelet-glycoprotein-vi-receptor-to-mediate-collagen-induced-platelet-aggregation
#14
Hongli Yu, Yeqing Chen, Hao Wu, Kuilong Wang, Liping Liu, Xingde Zhang
Quercetin and rhamnose were efficiently converted into huaicarbon A/B by heating at 250°C for 10-15 min or at 200°C for 25-30 min. With the optimum molar ratio of quercetin/rhamnose (1:3), huaicarbon A and B yields reached 25% and 16% respectively after heating at 250°C, with 55% quercetin conversion. Huaicarbon A/B both promoted washed platelet aggregation dose-dependently, which was antagonized by an inhibitor of glycoprotein VI (GPVI) receptor. Similarly, they both promoted collagen-induced platelet aggregation in platelet-rich plasma in dose-dependent manners...
2017: American Journal of Translational Research
https://www.readbyqxmd.com/read/28257296/extracorporeal-circulation-during-lung-transplantation-procedures-a-meta-analysis
#15
Dominik J Hoechter, Yu-Ming Shen, Tobias Kammerer, Sabina Günther, Thomas Weig, René Schramm, Christian Hagl, Frank Born, Bruno Meiser, Gerhard Preissler, Hauke Winter, Stephan Czerner, Bernhard Zwissler, Mansmann Ulrich, Vera von Dossow
Extracorporeal circulation is an invaluable tool in lung transplantation. Over the past years, an increasing number of centers changed their standard for intraoperative extracorporeal circulation from cardiopulmonary bypass to extracorporeal membrane oxygenation - with differing results. This meta-analysis reviews the existing evidence.An online literature research on Medline, Embase, and Pubmed has been performed. Two persons independently judged the papers using the ACROBAT-NRSI tool of the Cochrane collaboration...
February 27, 2017: ASAIO Journal: a Peer-reviewed Journal of the American Society for Artificial Internal Organs
https://www.readbyqxmd.com/read/28246352/evaluation-of-subcutaneous-infiltration-of-autologous-platelet-rich-plasma-on-skin-wound-healing-in-dogs
#16
Haithem A Farghali, Naglaa A AbdElKader, Marwa S Khattab, Huda O Abubakr
Background: Platelet-rich plasma (PRP) is known to be rich in growth factors and cytokines which are crucial to the healing process. Objective: Studying the effect of subcutaneous infiltration of autologous PRP at the wound boundaries on wound epithelization and contraction. Material and Methods: Five adult male mongrel dogs were used. Bilateral acute full-thickness skin wounds (3cm diameter) were created on the thorax symmetrically. Right side wounds were subcutaneously infiltrated with activated PRP at day zero then every week for three consecutive weeks...
February 28, 2017: Bioscience Reports
https://www.readbyqxmd.com/read/28243911/effect-of-sulfation-and-molecular-weight-on-anticoagulant-activity-of-dextran
#17
N N Drozd, Yu S Logvinova, M A Torlopov, E V Udoratina
Sulfation (to 2.8) of dextrans with molecular weight of 150 and 20 kDa was followed by the appearance of anticoagulant activity that increased with decreasing their molecular weight and did not depend on antithrombin, plasma inhibitor of serine proteases of the blood coagulation system. Antithrombin activity of dextran sulfate with a molecular weight of 20 kDa reached 12.6-15.3 U/mg. Dextran sulfates with molecular weights of 20 and 150 kDa did not potentiate ADP-induced human platelet aggregation.
February 2017: Bulletin of Experimental Biology and Medicine
https://www.readbyqxmd.com/read/28214180/a-successful-experience-of-the-iranian-blood-transfusion-organization-in-improving-accessibility-and-affordability-of-plasma-derived-medicine
#18
REVIEW
Azita Chegini, Seyed Ardeshir Torab, Ali Akbar Pourfatollah
Plasma is the liquid part of blood. It is estimated 21.6 million liters of plasma collect from Whole blood annually. From these plasma, 4.2 million liters transfuse, 8.1 million liters fractionate, 9.3 million liters waste. Nowadays, blood products and PDM (plasma derived medicine) consider as essential medicine in modern health care and transfusion medicine. Iranian blood transfusion organization as a non-profit organization was established in 1974 in order to centralize all blood transfusion activities from donor recruitment to distribution of blood components to hospitals...
February 2017: Transfusion and Apheresis Science
https://www.readbyqxmd.com/read/28103989/-experimental-research-on-the-effects-of-different-activators-on-the-formation-of-platelet-rich-gel-and-the-release-of-bioactive-substances-in-human-platelet-rich-plasma
#19
Y Yang, W Zhang, B Cheng
Objective: To explore the effects of calcium gluconate and thrombin on the formation of platelet-rich gel (PRG) and the release of bioactive substances in human platelet-rich plasma (PRP) and the clinical significance. Methods: Six healthy blood donors who met the inclusion criteria were recruited in our unit from May to August in 2016. Platelet samples of each donor were collected for preparation of PRP. (1) PRP in the volume of 10 mL was collected from each donor and divided into thrombin activation group (TA, added with 0...
January 20, 2017: Zhonghua Shao Shang za Zhi, Zhonghua Shaoshang Zazhi, Chinese Journal of Burns
https://www.readbyqxmd.com/read/28057550/pharmacokinetics-of-lbpt-and-its-primary-metabolites-as-well-as-tolerability-in-the-first-in-human-study
#20
Hongyun Wang, Hongzhong Liu, Ming Liu, Wenjie Wang, Liya Zhu, Haihong Huang, Pei Hu, Ji Jiang
BACKGROUND: LBPT is a novel platelet-activating factor (PAF) receptor antagonist that is developed for the treatment of rheumatoid arthritis. The purpose of this first-in-human study was to evaluate the tolerability and safety of LBPT, to investigate the pharmacokinetics of LBPT and its primary metabolites, as well as to assess the food effect on the pharmacokinetics in healthy Chinese subjects. MATERIALS AND METHODS: LBPT was evaluated in 2 clinical studies. The first study was a double blind, placebo-controlled and ascending dose study...
March 30, 2017: European Journal of Pharmaceutical Sciences
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