Figure 3.

Number of clinical trials using proprietary MSC and involving companies. A, Graph of number of new trials using proprietary (blue) and non‐proprietary (white) MSC shown for four major sources. Small number of additional trials using MSC from dental pulp, oral mucosa, menstrual blood, and stromal vascular fraction have been included in the category called other. B, Number of new trials recorded in each year conducted by, or sponsored by, companies with all sources of MSCs. BM, bone marrow; MSC, mesenchymal stem cell; UC, umbilical cord