Thrombin generation in mesalazine refractory ulcerative colitis and the influence of low molecular weight heparin
In ulcerative colitis (UC), a state of hypercoagulation has frequently been observed. Low molecular weight heparin (LMWH) has shown beneficial effects as an adjuvant treatment of steroid refractory UC in open trials. We assessed potential therapeutic effects of the LMWH reviparin in hospitalised patients with mesalazine refractory UC, as well as its influence on haemostasis factors.
Twenty-nine patients with mild-to-moderately active UC were included in a double-blind placebo controlled trial. All patients had a flare-up of disease under mesalazine treatment. Reviparin (Clivarin®) 3,436 IU anti-Xa/0.6 ml or placebo s.c. was added, and self-administered twice daily for 8 weeks. Patients were monitored for possible adverse events and changes in clinical symptoms. Endoscopical, histological, biochemical and haemostasis parameters were analysed.
Tolerability and compliance were excellent and no serious adverse events occurred. No significant differences were observed on the clinical, endoscopical and histological outcome, as compared to placebo. A high intrinsic and extrinsic thrombin potential was found before LMWH therapy. However, the significant reduction in the thrombin generation by LMWH was not related to the reduction in disease activity.
The LMWH reviparine reduces thrombin generation in patients with mild-to-moderately active, mesalazine refractory UC, but is not associated with a reduction in disease activity.
- Thrombin generation in mesalazine refractory ulcerative colitis and the influence of low molecular weight heparin
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- Available under Open Access This content is freely available online to anyone, anywhere at any time.
Journal of Thrombosis and Thrombolysis
Volume 24, Issue 2 , pp 175-182
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- Springer US
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- Low molecular weight heparin
- Ulcerative colitis
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- Author Affiliations
- 1. Department of Internal Medicine and Gastroenterology, Twenteborg Hospital Almelo, Zilvermeeuw 1, PB 7600, 7600 SZ, Almelo, The Netherlands
- 2. Department of Gastroenterology, University Hospital Maastricht, P. Debyelaan 25, PB 5800, 6202 AZ, Maastricht, The Netherlands
- 3. University Medical Center Groningen, Hanzeplein 1, PB 30001, 9700 RB, Groningen, The Netherlands
- 4. Department of Biochemistry, Maastricht University, 6229 ER, Maastricht, The Netherlands