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Content In vitro characterization –  of co.don chondrotransplant ®  DISC Animal trial - feasibility Indications Background  Manufacturing  of co.don chondrotransplant ®  DISC Application  of co.don chondrotransplant ®  DISC Autologous Disc-derived chondrocyte Transplantation (ADCT)
Background Degenerative disc disease (DDD) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Background Degenerative disc disease (DDD) Early stage      Loss of disc tissue due to sequestrectomy    Progression of degeneration     Development of chronic back pain    Significant recurrence rate ,[object Object],[object Object],[object Object],[object Object],[object Object],? Transplantation of autologous disc-derived cells (ADCT) ?
Indication ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Transplantation of autologous disc-derived cells  For    biological repair of disc tissue    functional and structural regeneration    prevention/delay progressive degeneration    avoiding spinal fusion
Content In vitro characterization –  of co.don chondrotransplant ®  DISC Animal trial - feasibility Indications Background  Manufacturing  of co.don chondrotransplant ®  DISC Application  of co.don chondrotransplant ®  DISC Autologous Disc-derived chondrocyte Transplantation (ADCT)
In vitro processing  of disc-derived chondrocytes Sequester tissue Isolation  of disc chondrocytes  Expansion  of disc chondrocytes Disc cells in monolayer Cell cultures Sequestrectomy
In vitro  characterization of co.don chondrotransplant ®  DISC low cell density high cell density Fig.: Proliferation curve. Proliferation of disc-derived cells
Phenotype of disc chondrocytes Anulus fibrosus (AF), Nucleus pulposus (NP) and Co-culture (CC) cultures:      constant expression of  biglycan ,  decorin ,  aggrecan ,  CEP68 ,  collagen types I  and  III    decreasing expression of  S100  in higher passages     no expression of  collagen type II Fig.: Decorin mRNA Expression in  CC ML cultures. In vitro  characterization of co.don chondrotransplant ®  DISC M  P1  P2  P3  P4  P5  P6  P7
[object Object],[object Object],[object Object],[object Object],Adhesion and Integration of cultured disc chondrocytes disc-derived cells native  disc tissue In vitro  characterization
[object Object],[object Object],[object Object],Regenerative Capability of human disc chondrocytes    contribution to regenerative processes following    disc-derived chondrocyte transplantation In vitro  characterization of co.don chondrotransplant ®  DISC
Experimental Model Animal trial Pressure  measurement fluoroscopic  control ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Animals:  Disc damage:  Cell transplants:  Experimental groups:
Progressive disc healing induced by ADCT ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],L3-L4 ADCT L1-L2 damaged Animal trial ,[object Object],[object Object],[object Object]
Structural restoration of intervertebral disc  induced by ADCT ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],12 months, damaged disc. 12 months, damaged & ADCT treated disc. intact disc . Animal trial
Positive BrdU-stained cell nuclei  within ADCT-treated disc levels. Identification of transplanted BrdU-labeled  disc derived cultured chondrocytes Animal trial
Damaged disc: ADCT-treated disc:    Pericellular positive SafraninO staining for transplanted chondrocytes    Loss of SafraninO staining within defect area.     No pericellular staining. Intact disc: Compositional restoration of the intervertebral disc ,[object Object],[object Object],x25 x100 x25 x200 x25 Animal trial
x200 x100 Strong staining for collagen type II.    Intercellular and p ericellular positive  collagen type II  staining    Low expression of  collagen type I Compositional restoration of the intervertebral disc ADCT-treated disc: Intact disc: Low staining for collagen type I. x25 x25 Animal trial x25 x25
[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Ganey et al., 2004, Spine  Induction of intervertebral disc regeneration by ADCT Conclusion Animal trial
Content In vitro characterization –  of co.don chondrotransplant ®  DISC Animal trial - feasibility Indications Background  Manufacturing  of co.don chondrotransplant ®  DISC Application  of co.don chondrotransplant ®  DISC Autologous Disc-derived chondrocyte Transplantation (ADCT)
co.don chondrotransplantDISC ® ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Integrated Isolator Technology (IIT) Regulation of human TE products in Germany
Manufacturing  of co.don chondrotransplant ®  DISC Doc. Doc. Doc. Agreement co.don ®  AG Biopsy  and  Blood obtaining Xmedika Biopsy kit Surgeon Biopsy kit Xmedika new Biopsy kit Shipment via courier,  within 48h to co.don® AG
Isolation of  disc-chondrocytes  by   enzymatical digestion,  monolayer culture,  In-Process control Lock in   of  Biopsy and Serum into the isolator Quality control Manufacturing  of co.don chondrotransplant ®  DISC Doc. Doc. Doc. Doc. Doc. co.don ®  AG  Production IIT (Integrated Isolator Technology)   Preparation  of Biopsy and Serum Receiving control
Expansion of  disc-chondrocytes  in monolayer Manufacturing  of co.don chondrotransplant ®  DISC Doc. Doc. Doc. Doc. Expansion of disc- chondrocyte transplants If necessary  freezing  of  monolayer cells & recultivation   Arrangement of the  transplantation appointment between  co.don ®  AG,  Xmedika   and  surgeon
Completion of the product  including packing and labeling Quality control Final inspection & Product release Shipment of co.don chondrotransplant ®  DISC  and   under  LHO condition  u sing an  courier organized by co.don ®  AG, Xmedika   Durability : 43h Manufacturing  of co.don chondrotransplant ®  DISC Doc. Doc. Doc. Doc. Doc. Doc. Xmedika   / Surgeon Transplantation
Biopsy Kit Biopsy Kit ,[object Object],[object Object],[object Object]
[object Object],[object Object],[object Object],[object Object],[object Object],Manufacturing  of co.don chondrotransplant ®  DISC
Transplant Kit Transplant Kit ,[object Object],[object Object],[object Object],[object Object]
Placement of the needle for application of chondrotransplant DISC. under fluoroscopic control; application of chondrotransplant DISC  without  fluoroscopic control ,[object Object],[object Object],[object Object],[object Object],Application  of co.don chondrotransplant ®  DISC Vial with  co.don c hondrotransplant ®  DISC   co.don chondrotransplant ®  DISC shipment under LHO conditions .
Application  of co.don chondrotransplant ®  DISC Injection needle ,[object Object],[object Object],[object Object]
[object Object],[object Object],[object Object],Application  of co.don chondrotransplant ®  DISC Transplantation
Indication – Contraindication ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

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Chondrotransplant DISC

  • 1. Content In vitro characterization – of co.don chondrotransplant ® DISC Animal trial - feasibility Indications Background Manufacturing of co.don chondrotransplant ® DISC Application of co.don chondrotransplant ® DISC Autologous Disc-derived chondrocyte Transplantation (ADCT)
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  • 5. Content In vitro characterization – of co.don chondrotransplant ® DISC Animal trial - feasibility Indications Background Manufacturing of co.don chondrotransplant ® DISC Application of co.don chondrotransplant ® DISC Autologous Disc-derived chondrocyte Transplantation (ADCT)
  • 6. In vitro processing of disc-derived chondrocytes Sequester tissue Isolation of disc chondrocytes Expansion of disc chondrocytes Disc cells in monolayer Cell cultures Sequestrectomy
  • 7. In vitro characterization of co.don chondrotransplant ® DISC low cell density high cell density Fig.: Proliferation curve. Proliferation of disc-derived cells
  • 8. Phenotype of disc chondrocytes Anulus fibrosus (AF), Nucleus pulposus (NP) and Co-culture (CC) cultures:  constant expression of biglycan , decorin , aggrecan , CEP68 , collagen types I and III  decreasing expression of S100 in higher passages  no expression of collagen type II Fig.: Decorin mRNA Expression in CC ML cultures. In vitro characterization of co.don chondrotransplant ® DISC M P1 P2 P3 P4 P5 P6 P7
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  • 14. Positive BrdU-stained cell nuclei within ADCT-treated disc levels. Identification of transplanted BrdU-labeled disc derived cultured chondrocytes Animal trial
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  • 16. x200 x100 Strong staining for collagen type II.  Intercellular and p ericellular positive collagen type II staining  Low expression of collagen type I Compositional restoration of the intervertebral disc ADCT-treated disc: Intact disc: Low staining for collagen type I. x25 x25 Animal trial x25 x25
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  • 18. Content In vitro characterization – of co.don chondrotransplant ® DISC Animal trial - feasibility Indications Background Manufacturing of co.don chondrotransplant ® DISC Application of co.don chondrotransplant ® DISC Autologous Disc-derived chondrocyte Transplantation (ADCT)
  • 19.
  • 20. Manufacturing of co.don chondrotransplant ® DISC Doc. Doc. Doc. Agreement co.don ® AG Biopsy and Blood obtaining Xmedika Biopsy kit Surgeon Biopsy kit Xmedika new Biopsy kit Shipment via courier, within 48h to co.don® AG
  • 21. Isolation of disc-chondrocytes by enzymatical digestion, monolayer culture, In-Process control Lock in of Biopsy and Serum into the isolator Quality control Manufacturing of co.don chondrotransplant ® DISC Doc. Doc. Doc. Doc. Doc. co.don ® AG Production IIT (Integrated Isolator Technology) Preparation of Biopsy and Serum Receiving control
  • 22. Expansion of disc-chondrocytes in monolayer Manufacturing of co.don chondrotransplant ® DISC Doc. Doc. Doc. Doc. Expansion of disc- chondrocyte transplants If necessary freezing of monolayer cells & recultivation Arrangement of the transplantation appointment between co.don ® AG, Xmedika and surgeon
  • 23. Completion of the product including packing and labeling Quality control Final inspection & Product release Shipment of co.don chondrotransplant ® DISC and under LHO condition u sing an courier organized by co.don ® AG, Xmedika Durability : 43h Manufacturing of co.don chondrotransplant ® DISC Doc. Doc. Doc. Doc. Doc. Doc. Xmedika / Surgeon Transplantation
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