Results of this study were presented at Digestive Disease Week (DDW) in May 2007 (Garci-Olmo D. et al., "Expanded Adipose-Derived Stem Cells (Cx401) for the Treatment of Complex Perianal Fistula. A Phase II Clinical Trial" (DDW 2007; Abstract: 492)) and are pending publication.
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"Using a minimal amount of fat drawn from the patient, it is possible to obtain stem cells that have an extraordinary capacity to facilitate the healing process of fistulas. The treatment consists of the extraction, expansion and re-administration of the patient's own cells into the fistulized area."