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PEGylated Streptokinase

Aug. 13, 2018

CSIR has entered into an agreement with a Mumbai-based bio-pharma company to develop PEGylated Streptokinase (its patented ‘clotbuster’) for treatment of Ischemic Stroke.

Ischemic stroke:

  • Ischemic stroke occurs when a blood vessel carrying blood to the brain is blocked by a blood clot. This causes blood not to reach the brain.

  • High blood pressure is the most important risk factor for this type of stroke.

  • An ischemic stroke can occur in two ways.
    • Embolic stroke: Happens when a blood clot forms somewhere in the body (usually the heart) and then travels to the brain.

    • Thrombotic stroke: It is caused by a blood clot that forms inside one of the arteries supplying blood to the brain.



  • Ischemic strokes account for about 87% of all strokes.

  • The prevalence of these brain stroke is much higher in India than the West.

PEGylated Streptokinase:

  • The clotbuster (PEGylated Streptokinase - a novel biological entity) was invented by a team of scientists at CSIR-Institute of Microbial Technology (IMTECH), Chandigarh.

  • The CSIR-IMTECH and Epygen Biotech Pvt. Ltd. (a Mumbai based bio-pharmaceutical company) have entered into an agreement for the latter to develop the PEGylated Streptokinase for treatment of ischemic stroke.

  • By this Epygen has become the first company in India with exclusive licence for developing it.

Source : The Hindu

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