Long-term Safety and Efficacy of Adipose-derived Stem Cells to Treat Complex Perianal Fistulas in Patients Participating in the FATT-1 Randomized Controlled Trial

2014-08-27 03:17:43 | BioPortfolio


The purpose of this extension is to investigate and confirm the long-term (6 months) safety and efficacy of the preceding FATT-1 trial [ identifier: NTC00475410], which studied patients with perianal fistula treated having received adipose-derived adult stem cell (ASC)and/or fibrin glue.


Complex perianal fistulas are a source of great distress for suffers. Treatment options are limited and surgery is often associated with incontinence and recurrence.

The biological properties of stem cells derived from adult tissues make them candidates for the treatment of pathologies requiring tissue regeneration or in diseases where the healing process is altered.

This study aims to evaluate the safety and efficacy of patients having participated within a preceding multicenter, placebo-controlled, phase 3 study [ identifier: NTC00475410]. The present extension aims to collect safety and efficacy data for up to 12 month from initial administration.

Fistula closure is defined as absence of suppuration through the external orifice with complete re-epithelization of the external orifice and absence of collections >2cm directly related to the fistula tract treated, as measured by MRI.

Study Design

Time Perspective: Prospective


Complex Perianal Fistula


ASCs, Fibrin glue, ASCs


Hospital Mutua de Terrasa





Results (where available)

View Results


Published on BioPortfolio: 2014-08-27T03:17:43-0400

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Medical and Biotech [MESH] Definitions

An abnormal anatomical passage between the INTESTINE, and another segment of the intestine or other organs. External intestinal fistula is connected to the SKIN (enterocutaneous fistula). Internal intestinal fistula can be connected to a number of organs, such as STOMACH (gastrocolic fistula), the BILIARY TRACT (cholecystoduodenal fistula), or the URINARY BLADDER of the URINARY TRACT (colovesical fistula). Risk factors include inflammatory processes, cancer, radiation treatment, and surgical misadventures (MEDICAL ERRORS).

An abnormal anatomical passage that connects the VAGINA to other organs, such as the bladder (VESICOVAGINAL FISTULA) or the rectum (RECTOVAGINAL FISTULA).

Glycosylated proteins which are part of the salivary glue that Drosophila larvae secrete as a means of fixing themselves to an external substrate for the duration of the pre-pupal and pupal period.

A fistula between the maxillary sinus and the oral cavity.

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