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New approach to tackle haemophilia

20.01.2016

Fighting haemophilia A, a bleeding disorder, with the body's own cells: That is the goal of a new international research consortium led by scientists from Würzburg. The EU funds the project with around €5.5 million.

People suffering from haemophilia A have a genetic deficiency in clotting factor VIII which causes increased bleeding. In extreme cases, unstoppable bleeding may occur that can be life-threatening, in particular if the head or brain region is affected. Joint bleeds occur frequently that can cause permanent damage and even destruction of joints when left untreated.

Although effective treatment of the symptoms is available, there is no cure at present. Patients have to get lifelong infusions several times a week to compensate for the missing clotting factor. The costs of treatment for adults vary between €200,000 and 800,000 per year (source: http://www.g-ba.de).

Genetically modified cells produce the clotting factor

An international research consortium is therefore seeking to develop a novel curative therapy for the disease. Their idea: The patients' own cells are genetically modified outside the body to produce the missing clotting factor using precursor cells of endothelial cells flowing in the bloodstream. Subsequently, these cells are transplanted back into the patient's body in a kind of "cell pouch".

Made of plastic, the pouches measure about 6 x 8 centimetres. They are implanted under the abdominal wall and after they have grown into the tissue, the genetically modified cells are filled into the pouches through a kind of valve. Because the pouches are linked to the blood circulation, the cells are capable of continuously producing the clotting factor and releasing it into the bloodstream for a long period of time. This should mitigate the disease's impact noticeably, increase the patients' quality of life and reduce the cost of therapy.

The research consortium

Under the name HemAcure, the new research consortium unites companies and scientific institutions from Germany, Italy, the UK and Canada. The project will be funded with around €5.5 million under the European Union's Horizon 2020 programme for the next three years. It is headed by Dr. Joris Braspenning, a member of the Department of Tissue Engineering and Regenerative Medicine at the University Hospital Würzburg.

"HemAcure brings together experts from science and industry in a powerful coalition," Joris Braspenning explains. Their knowledge and skills will allow cell-based medical products that comply with European regulations to be developed more quickly and efficiently. He believes that the project will not only benefit patients suffering from severe forms of haemophilia A, but also promote advanced therapies of the future.

Heike Walles, Head of the Department of Tissue Engineering and Regenerative Medicine, is also convinced of the research project's value as, in her words, "it ideally complements the department's value chain and the Translational Center for Regenerative Therapies in Würzburg.

The parties involved

Besides the Department of Tissue Engineering and Regenerative Medicine of the Würzburg University Hospital, the following institutions are involved in HemAcure: GABO:mi, a Munich-based enterprise that specialises in the management of EU-funded collaborative research projects, will be in charge of project management. The quality management will be monitored by IMS - Integrierte Management Systeme in Heppenheim, Germany. The company acts as a point of contact for international projects in the pharmaceutical and medical engineering sector.

The Würzburg University Hospital will be responsible for isolating the cells. Moreover, the entire process will be set up in line with GMP (Good Manufacturing Practice) guidelines for the production of pharmaceutical products.

The Università del Piemonte Orientale (Italy) will perform the gene correction of the patient cells. Scientists from Loughborough University (UK) will focus on the manufacturing process and safety testing. Sernova, a Canadian company, will supply the "cell pouches" for implanting the therapeutic cells.

The Horizon 2020 programme

Horizon 2020 is the biggest EU research and innovation programme ever with nearly €80 billion of funding available over seven years (2014 to 2020). It promises more breakthroughs, discoveries and world firsts by taking great ideas from the lab to the market, for example in the field of personalised medicine providing novel therapies such as gene or cell therapy.

Contact

Dr. Joris Braspenning, Project Manager HemAcure & Business Development Manager
Phone: +49 931 31-88598, joris.braspenning@uni-wuerzburg.de

Gunnar Bartsch | idw - Informationsdienst Wissenschaft
Further information:
http://www.uni-wuerzburg.de

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