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Vitrectomy is used to induce a posterior vitreous detachment (PVD), which involves removing the vitreous from the eye. As microplasmin is a proteolytic enzyme, it is able to cleave the molecular structures which link the vitreous to the retina, meaning that it could facilitate, and in some cases even avoid, vitrectomy and therefore induce PVD without the risks inherent in the current surgical procedure.
The MIVI III trial, which has recruited a total of 125 patients, is designed to assess the safety and efficacy of administering microplasmin intravitreal injection 7 days prior to vitrectomy.
- ThromboGenics completed patient enrolment for its Phase II MITI IV trial
Microplasmin is also being studied for the treatment of acute ischemic stroke. In this indication, the fact that it is a direct-acting thrombolytic agent (breaks down blood clots) and is independent of plasminogen means that it could restore blood flow efficiently for a longer period after the stroke event, and with potentially fewer side-effects than other thrombolytic agents. The MITI IV study is placebo controlled and is evaluating the safety and preliminary efficacy of microplasmin in three different doses when administered intravenously to acute stroke patients between four and twelve hours after the onset of the stroke. This trial has recruited a total of 40 patients.
- In January, ThromboGenics announced that its novel anti-cancer antibody TB-403 had begun its initial Phase I clinical trial in Denmark.
TB-403 (Anti-PIGF) is a potential breakthrough in the treatment of
cancer. It is a humanized monoclonal antibody that blocks the formation of
the new blood vessels that are needed by solid tumours to support their
growth. TB-403 therefore has the potential to minimise the growth and
spread of ca
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