Abstract
Tinzaparin sodium (Innohep®) is a low molecular weight heparin (LMWH) that is effective in the prevention and treatment of deep vein thrombosis (DVT) and/or pulmonary embolism (PE), and in maintaining the patency of haemodialysis circuits in adult patients. In terms of preventing DVT and/or PE, therapy with subcutaneous tinzaparin sodium was more effective than oral warfarin and equivalent to subcutaneous enoxaparin sodium in patients undergoing orthopaedic surgery, and did not significantly differ from that of subcutaneous unfractionated heparin (UFH) in patients undergoing general surgery. In the initial therapy of adult patients with DVT and/or PE, subcutaneous tinzaparin sodium was at least as effective as intravenous UFH and did not significantly differ from subcutaneous dalteparin sodium. Various other studies have demonstrated that the long-term efficacy of subcutaneous tinzaparin sodium in the treatment of patients with DVT and/or PE was sustained for a total period of up to 12 months. Tinzaparin sodium was also demonstrated to be effective in maintaining the patency of haemodialysis circuits in adult patients with end-stage renal failure. In clinical studies, tinzaparin sodium was generally well tolerated in the prevention and treatment of DVT and/or PE in adult patients, including in elderly patients, and in patients undergoing haemodialysis. As expected, bleeding complications were the most frequently occurring adverse event. Thus, available data indicate that tinzaparin sodium is a useful option in the prevention and treatment of DVT and/or PE, and in maintaining the patency of haemodialysis circuits in adult patients.
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Various sections of the manuscript reviewed by: D. Bergqvist, Department of Surgery, University Hospital, Uppsala, Sweden; R.D. Hull, Thrombosis Research Unit, Foothills Hospital, University of Calgary, Calgary, Alberta, Canada; M.R. Lassen, Department of Orthopaedics, Spine Clinic, Clinical Trial Unit, Hørsholm Hospital, University of Copenhagen, Hørsholm, Denmark; A. Planès, Clinique Chirurgicale du Mail, La Rochelle, France; V. Siguret, Laboratoire d’Hématologie, Assistance-Publique Hôpitaux de Paris, Hôpital Charles Foix, Ivry-sur-Seine, France.
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Sources: Medical literature published in any language since 1980 on ‘tinzaparin’, identified using MEDLINE and EMBASE, supplemented by AdisBase (a proprietary database). Additional references were identified from the reference lists of published articles. Bibliographical information, including contributory unpublished data, was also requested from the company developing the drug.
Search strategy: MEDLINE, EMBASE and AdisBase search terms were ([‘tinzaparin’ or ‘tinzaparin sodium’] and [‘deep vein thrombosis’ or ‘venous thrombosis’ or ‘venous thromboembolism’ or ‘pulmonary embolism’]). Searches were last updated on 14 June 2010.
Selection: Studies in the prevention and treatment of deep vein thrombosis, including pulmonary embolism, and in maintaining the patency of haemodialysis circuits in patients who received tinzaparin sodium. Inclusion of studies was based mainly on the methods section of the trials. When available, large, well controlled trials with appropriate statistical methodology were preferred. Relevant pharmacodynamic and pharmacokinetic data are also included.
Index terms: Tinzaparin sodium, deep vein thrombosis, haemodialysis, pulmonary embolism, pharmacodynamics, pharmacokinetics, therapeutic use, tolerability.
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Hoy, S.M., Scott, L.J. & Plosker, G.L. Tinzaparin Sodium. Drugs 70, 1319–1347 (2010). https://doi.org/10.2165/11203710-000000000-00000
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DOI: https://doi.org/10.2165/11203710-000000000-00000