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Sunday, 06 August 2017 10:36

Anticoagulation news items. Week commencing 17th, 24th and 31st July 2017

Tenecteplase versus alteplase for management of acute ischaemic stroke (NOR-TEST): a phase 3, randomised, open-label, blinded endpoint trial

The Lancet Neurology

In patients with acute stroke, achievement of an excellent functional outcome (modified Rankin Scale score 0–1) at 3 months was similar for tenecteplase (64%) and alteplase (63%). Further trials are needed to establish whether tenecteplase is non-inferior to alteplase.


Non-vitamin-K antagonist oral anticoagulants (NOACs) for the prevention of stroke and systemic embolism in people with atrial fibrillation: commissioning support

Midlands Therapeutics Review and Advisory Committee

Commissioners should ensure robust processes/local initiatives are in place to identify patients with AF at increased risk of stroke, and a record made of decision whether or not to proceed with treatment. They should refer to NICE CG 180 and range of decision support tools.


Predictors of pre-procedural concentrations of direct oral anticoagulants: a prospective multicentre study

European Heart Journal

In trial of 422 DOAC-treated patients requiring invasive procedure, last dose of DOAC 3 days before procedure resulted in minimal pre-procedural anticoagulant effect for almost all patients. Moderate renal impairment and antiarrhythmics should result in longer DOAC interruption.


Drug Trial Snapshots: Bevyxxa (betrixaban)

US Food and Drug Administration

This Drug Trials Snapshot is intended as a tool for consumers to use when discussing risks/benefits of betrixaban for the prevention of venous thromboembolism (VTE) in hospitalised adults at risk for developing VTE. The FDA approval was based on evidence from one clinical trial.


Mechanical versus bioprosthetic aortic valve replacement

European Heart Journal

Review notes main reason to opt for bioprosthesis is to avoid lifelong anticoagulation (AC) which has resulted in increase in use of bioprosthetic as opposed to mechanical valves. Currently, there is not enough evidence to support routine AC after bioprosthetic valve implantation.


Direct Healthcare Professional Communication: Clexane (enoxaparin sodium): Updates to strength expression, dose regimens in DVT/PE, use in patients with severe renal impairment

Sanofi UK

Product information has been harmonised in EU. Strength will now be expressed both in IU of anti-Xa activity and in mg. Treatment dose for DVT/PE has been clarified. Use in end stage renal disease (creatinine clearance <15 ml/min) is not recommended outside haemodialysis setting.


Shortage of enoxaparin injection: alternative treatment options

Specialist Pharmacy Service

In light of current shortage of enoxaparin injection (all strengths), a table of licensed low molecular weight heparins has been drawn up to compare/contrast key prescribing parameters and a section on DOACs included to highlight where they could be used in certain settings.


Antiphospholipid syndrome and pregnancy: Pathogenesis to translation

Arthritis & Rheumatology

Antiphospholipid syndrome (APS) is an autoimmune condition linked with thrombosis and adverse pregnancy outcomes. Review discusses abnormal placental development, prediction of adverse pregnancy outcomes in APS and SLE, and potential targets to prevent obstetric APS.


Subarachnoid Hemorrhage

New England Journal of Medicine

Subarachnoid hemorrhage without preceding trauma is caused by rupture of an intracranial aneurysm in 80% of cases. This review discusses signs /symptoms, evaluation, medical interventions to reduce risk of rupture, treatment of ruptured cerebral aneurysms and of complications.


Duration of Dual Antiplatelet Therapy in Patients with an Acute Coronary Syndrome Undergoing Percutaneous Coronary Intervention

American Journal of Medicine

Meta-analysis of 8 trials (n=12,917) found no significant difference in CV mortality/MI/major bleeding between shortterm and 12-month/extended dual antiplatelet therapy (eDAPT).However, 12-month DAPT showed significantly higher risk of MI but reduced major bleeding risk vs. eDAPT.



The above records have been identified by UKMi and feature in the NICE Medicines Awareness Service. Further details on this service can be found at: