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ANNUAL REPORT 2012 - TiGenix

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non-weight bearing area of the joint. The<br />

cells are subsequently transported to a cell<br />

expansion laboratory and, after 9 weeks,<br />

the expanded cells are sent back to the<br />

surgeon for re-implantation in the patient.<br />

In conventional ACI, the cells are implanted<br />

underneath a periosteal flap, which has<br />

been harvested from the patient’s tibia and<br />

sewn onto the cartilage defect, or by using a<br />

biodegradable membrane or matrix in which<br />

the cells are seeded.<br />

ChondroCelect<br />

ChondroCelect is a characterized cellbased<br />

medicinal product, used in an<br />

ACI procedure, in which the cell culture<br />

methods have been specifically developed<br />

to maintain the phenotypical stability<br />

of the cells to promote the formation of<br />

stable hyaline-like articular cartilage. The<br />

procedure whereby characterized cells<br />

are implanted is called ‘Characterized<br />

Chondrocyte Implantation’ (CCI).<br />

ChondroCelect has been validated in a<br />

prospective, controlled randomized clinical<br />

trial and can be used in combination<br />

with an easy-to-use collagen membrane.<br />

Moreover, 370 patients, presenting a wide<br />

variety of lesions, have been treated in a<br />

compassionate use program 4 .<br />

Fig. 1 : ChondroCelect : regeneration of cartilage in the knee<br />

4<br />

Vanlauwe J, Huylebroek J, Van Der Bauwhede J, et al., Clinical Outcomes of Characterized Chondrocyte Implantation. Cartilage.<br />

2011 : 3(2) : 173-180.<br />

53

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