Anal Fistula Clinical Trial
Official title:
A Phase III Multicenter, Single Blind, Randomized, Comparative and add-on Clinical Trial, in Three Parallel Groups, to Evaluate Efficacy and Safety of a New Therapy With Adipose-derived Autologous Stem Cells for the Treatment of Complex Perianal Fistulas in Patients Without Inflammatory Bowel Disease
Anal fistula is defined as an abnormal communication between the anal canal and the perianal skin. Adipose-derived stem cells are a new therapy for the closure of these fistulas. This study will test the safety and efficacy of ASCs (adipose stem cells) in the treatment of patients without Crohn´s disease.
Perianal fistula accounts for 10% to 30% of coloproctological surgical procedures. Currently accepted conventional treatment is surgery intended to treat the tracts using different technical options. This surgery usually has a highly bothersome postoperative period and may involve two major complications: anal incontinence and recurrence. The biological properties of stem cells derived from adult tissues make them adequate candidates for the treatment of diseases in which tissues are damaged or the healing process is altered. This study will compare the efficacy of ASCs versus ASCs plus Fibrin adhesive versus Fibrin adhesive alone for closure of complex perianal fistulas not associated to Inflammatory Bowel Disease. Fistula closure is defined as absence of suppuration and re-epithelization of the external opening in the clinical evaluation and absence of collections >2 cm directly related to the fistula tract treated, as measured by MRI ;
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|---|---|---|---|
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