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Ticagrelor Removal by CytoSorb® in Patients Requiring Emergent or Urgent Cardiac Surgery: A UK-Based Cost-Utility Analysis.

ABSTRACT: BACKGROUND:Acute coronary syndrome patients receiving dual antiplatelet therapy who need emergent or urgent cardiac surgery are at high risk of major bleeding, which can impair postoperative outcomes. CytoSorb®, a blood purification technology based on adsorbent polymer, has been demonstrated to remove ticagrelor from blood during on-pump cardiac surgery. OBJECTIVE:The aim of this study was to evaluate the cost utility of intraoperative removal of ticagrelor using CytoSorb versus usual care among patients requiring emergent or urgent cardiac surgery in the UK. METHODS:A de novo decision analytic model, based on current treatment pathways, was developed to estimate the short- and long-term costs and outcomes. Results from randomised clinical trials and national standard sources such as National Health Service (NHS) reference costs were used to inform the model. Costs were estimated from the NHS and Personal Social Services perspective. Deterministic and probabilistic sensitivity analyses (PSAs) explored the uncertainty surrounding the input parameters. RESULTS:In emergent cardiac surgery, intraoperative removal of ticagrelor using CytoSorb was less costly (£12,933 vs. £16,874) and more effective (0.06201vs. 0.06091 quality-adjusted life-years) than cardiac surgery without physiologic clearance of ticagrelor over a 30-day time horizon. For urgent cardiac surgery, the use of CytoSorb was less costly than any of the three comparators-delaying surgery for natural washout without adjunctive therapy, adjunctive therapy with short-acting antiplatelet agents, or adjunctive therapy with low-molecular-weight heparin. Results from the PSAs showed that CytoSorb has a high probability of being cost saving (99% in emergent cardiac surgery and 53-77% in urgent cardiac surgery, depending on the comparators). Cost savings derive from fewer transfusions of blood products and re-thoracotomies, and shorter stay in the hospital/intensive care unit. CONCLUSIONS:The implementation of CytoSorb as an intraoperative intervention for patients receiving ticagrelor undergoing emergent or urgent cardiac surgery is a cost-saving strategy, yielding improvement in perioperative and postoperative outcomes and decreased health resource use.

SUBMITTER: Javanbakht M

PROVIDER: S-EPMC7248150 | biostudies-literature | 2020 Jun

REPOSITORIES: biostudies-literature

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Ticagrelor Removal by CytoSorb<sup>®</sup> in Patients Requiring Emergent or Urgent Cardiac Surgery: A UK-Based Cost-Utility Analysis.

Javanbakht Mehdi M Trevor Miranda M Rezaei Hemami Mohsen M Rahimi Kazem K Branagan-Harris Michael M Degener Fabian F Adam Daniel D Preissing Franziska F Scheier Jörg J Cook Suzanne F SF Mortensen Eric E

PharmacoEconomics - open 20200601 2

<h4>Background</h4>Acute coronary syndrome patients receiving dual antiplatelet therapy who need emergent or urgent cardiac surgery are at high risk of major bleeding, which can impair postoperative outcomes. CytoSorb<sup>®</sup>, a blood purification technology based on adsorbent polymer, has been demonstrated to remove ticagrelor from blood during on-pump cardiac surgery.<h4>Objective</h4>The aim of this study was to evaluate the cost utility of intraoperative removal of ticagrelor using CytoS ...[more]

PMID: 31620999

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Project description:BACKGROUND:Acute pancreatitis (AP) usually has a mild course with a mortality rate below 1%. However, around 10% of patients develop severe AP (SAP) involving extra-pancreatic tissues and other organ systems. The mortality of SAP is around 42%. The outcome of SAP is closely related to the development of systemic inflammation and consecutive organ failures. Most current therapies including fluid resuscitation, antimicrobial therapy, drainage procedures, and endoscopic management of complications are symptomatic rather than causative approaches, except sphincterotomy for gallstone pancreatitis. Regarding the high mortality of SAP and its close association with systemic inflammation, extracorporeal removal of inflammatory mediators is an appealing approach. Several recent studies have demonstrated that the CytoSorb adsorber effectively eliminates inflammatory cytokines, such as IL-1ß, IL-6, IL-8, IL-10, and TNF-alpha. Some of these trials suggested that therapy with CytoSorb might improve outcome, including a reduction in the vasopressor dosage and reversal of shock.Therefore, it is the objective of this study to evaluate the effectiveness of 2 consecutive 24?h-treatments with CytoSorb on hemodynamics in patients with early SAP. METHODS:This study includes patients with early SAP (APACHE-II ?10) and transpulmonary thermodilution hemodynamic monitoring (PiCCO; EV-1000) within a maximum of seven days from the onset of pain. Eligible patients will be treated with 2 consecutive periods of CytoSorb. A 20%-improvement in the vasopressor dependency index (VDI) - which relates is derived from mean arterial pressure (MAP) and catecholamine dosage - is the primary outcome. In addition to this clinical outcome, there are several laboratory (cytokine levels) and translational endpoints (including multiplex-ELISAs of numerous anti- and pro-inflammatory cytokines/chemokines and DNA analyses). Primary outcome analysis will compare the incidence of the primary endpoint in 30 patients from the intervention group to 60 matched controls with advanced hemodynamic monitoring recruited from recent studies in SAP within the same setting and the same centers. DISCUSSION:A potential improvement in hemodynamics and/or other outcomes by CytoSorb would provide a new therapeutic option in the early treatment of SAP with a pathophysiological rationale. TRIAL REGISTRATION:This study was registered on March 17, 2017 (ClinicalTrials.gov Identifier: NCT03082469). URL: https://clinicaltrials.gov/ct2/show/NCT03082469. VERSION:V_PACIFIC_1.0 September 30, 2018.

Project description:BackgroundCardiopulmonary bypass (CPB) is often associated with degrees of complex inflammatory response mediated by various cytokines. This response can, in severe cases, lead to systemic hypotension and organ dysfunction. Cytokine removal might therefore improve outcomes of patients undergoing cardiac surgery. CytoSorb® (Cytosorbents, NJ, USA) is a recent device designed to remove cytokine from the blood using haemoadsorption (HA). This trial aims to evaluate the potential of CytoSorb® to decrease peri-operative cytokine levels in cardiac surgery.MethodsWe have conducted a single-centre pilot randomized controlled trial in 30 patients undergoing elective cardiac surgery and deemed at risk of complications. Patients were randomly allocated to either standard of care (n = 15) or CytoSorb® HA (n = 15) during cardiopulmonary bypass (CPB). Our primary outcome was the difference between the two groups in cytokines levels (IL-1a, IL-1b, IL-2, IL-4, IL-5, IL-6, IL-10, TNF-α, IFN-γ, MCP-1) measured at anaesthesia induction, at the end of CPB, as well as 6 and 24 h post-CPB initiation. In a consecutive subgroup of patients (10 in HA group, 11 in control group), we performed cross-adsorber as well as serial measurements of coagulation factors' activity (antithrombin, von Willebrand factor, factor II, V, VIII, IX, XI, and XII).ResultsBoth groups were similar in terms of baseline and peri-operative characteristics. CytoSorb® HA during CPB was not associated with an increased incidence of adverse event. The procedure did not result in significant coagulation factors' adsorption but only some signs of coagulation activation. However, the intervention was associated neither with a decrease in pro- or anti-inflammatory cytokine levels nor with any improvement in relevant clinical outcomes.ConclusionsCytoSorb® HA during CPB was not associated with a decrease in pro- or anti-inflammatory cytokines nor with an improvement in relevant clinical outcomes. The procedure was feasible and safe. Further studies should evaluate the efficacy of CytoSorb® HA in other clinical contexts.Trial registrationClinicalTrials.gov NCT02775123 . Registered 17 May 2016.

Project description:BackgroundHemoadsorption (HA) might mitigate the systemic inflammatory response associated with post-cardiac arrest syndrome (PCAS) and improve outcomes. Here, we investigated the feasibility, safety and efficacy of HA with CytoSorb® in cardiac arrest (CA) survivors at risk of PCAS.MethodsIn this pilot randomized controlled trial, we included patients admitted to our intensive care unit following CA and likely to develop PCAS: required norepinephrine (> 0.2 µg/kg/min), and/or had serum lactate > 6 mmol/l and/or a time-to-return of spontaneous circulation (ROSC) > 25 min. Those requiring ECMO or renal replacement therapy were excluded. Eligible patients were randomly allocated to either receive standard of care (SOC) or SOC plus HA. Hemoadsorption was performed as stand-alone therapy for 24 h, using CytoSorb® and regional heparin-protamine anticoagulation. We collected feasibility, safety and clinical data as well as serial plasma cytokines levels within 72 h of randomization.ResultsWe enrolled 21 patients, of whom 16 (76%) had out-of-hospital CA. Median (IQR) time-to-ROSC was 30 (20, 45) minutes. Ten were assigned to the HA group and 11 to the SOC group. Hemoadsorption was initiated in all patients allocated to the HA group within 18 (11, 23) h of ICU admission and conducted for a median duration of 21 (14, 24) h. The intervention was well tolerated except for a trend for a higher rate of aPTT elevation (5 (50%) vs 2 (18%) p = 0.18) and mild (100-150 G/L) thrombocytopenia at day 1 (5 (50%) vs 2 (18%) p = 0.18). Interleukin (IL)-6 plasma levels at randomization were low (< 100 pg/mL) in 10 (48%) patients and elevated (> 1000 pg/mL) in 6 (29%). The median relative reduction in IL-6 at 48 h was 75% (60, 94) in the HA group versus 5% (- 47, 70) in the SOC group (p = 0.06).ConclusionsIn CA survivors at risk of PCAS, HA was feasible, safe and was associated with a nonsignificant reduction in cytokine plasma levels. Future trials are needed to further define the role of HA after CA. Those studies should include cytokine assessment to enrich the study population.Trial registrationNCT03523039, registered 14 May 2018.

Dataset Information

Ticagrelor Removal by CytoSorb® in Patients Requiring Emergent or Urgent Cardiac Surgery: A UK-Based Cost-Utility Analysis.

Publications

Ticagrelor Removal by CytoSorb<sup>®</sup> in Patients Requiring Emergent or Urgent Cardiac Surgery: A UK-Based Cost-Utility Analysis.

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