| Main focus of clinical study | Number | 
      
        | Using CB for specific hematological disorders | 22 | 
      
        | Conditioning regimen | 22 | 
      
        | Use of cellular therapy (e.g. T-cells) post-CB transplantation | 9 | 
      
        | Use of expanded CBU | 9 | 
      
        | Combined use of CB and Haploidentical grafts | 7 | 
      
        | Use of unlicensed CBUs | 5 | 
      
        | Direct intra-bone infusion of CB | 4 | 
      
        | Combined use of two CBU | 3 | 
      
        | Co-infusion of CBU with accessory cells (MSC/Tregs) | 3 | 
      
        | Use of growth factors (Eltrombopag) post-UCB transplant | 3 | 
      
        | UCB vs. Haploidentical transplantation | 2 | 
      
        | Improved homing of UCB HSC | 2 | 
      
        | T-cell depletion of CBU | 2 | 
      
        | Fucosylation of CB HSC | 1 | 
      
        | Management of GvHD infection post-CB transplantation | 2 | 
      
        | Total clinical trials | 96 |