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Development of an in vitro model to study clot lysis activity of thrombolytic drugs

Author(s): Prasad Sweta | Kashyap Rajpal | Deopujari Jayant | Purohit Hemant | Taori Girdhar | Daginawala Hatim

Journal: Thrombosis Journal
ISSN 1477-9560

Volume: 4;
Issue: 1;
Start page: 14;
Date: 2006;
Original page

Abstract Background Thrombolytic drugs are widely used for the management of cerebral venous sinus thrombosis patients. Several in vitro models have been developed to study clot lytic activity of thrombolytic drugs, but all of these have certain limitations. There is need of an appropriate model to check the clot lytic efficacy of thrombolytic drugs. In the present study, an attempt has been made to design and develop a new model system to study clot lysis in a simplified and easy way using a thrombolytic drug, streptokinase. Methods Whole blood from healthy individuals (n = 20) was allowed to form clots in a pre-weighed sterile microcentrifuge tubes; serum was removed and clot was weighed. After lysis by streptokinase fluid was removed and remnants of clot were again weighed along with the tube. Percentage of Clot lysis was calculated on the basis of the weight difference of microcentrifuge tubes obtained before and after clot lysis. Results There was a significant percentage of clot lysis observed when streptokinase was used. On the other hand with water (negative control), minimal (2.5%) clot lysis was observed. There was a significant difference between clot lysis done by streptokinase and water. Conclusion Our study could be a rapid and effective methodology to study clot-lytic effect of newly developed drugs as well as known drugs.
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Tango Jona
Tangokurs Rapperswil-Jona