Adipose Tissue in Crohn´s Disease Fistulas

Status Completed

Clinical Trial Summary

Present study investigated the efficacy of injection of freshly collected autologous adipose tissue into perianal fistulas in patients with Crohn's disease. Adipose tissue collected by liposuction was injected into the perianal fistulas. Primary objective was complete clinical healing six months after treatment. Secondary objectives were reduced or ceased fistula secretion and complications to the treatment.

Clinical Trial Description

Investigators prospectively registered symptoms, complications and results of treatment in 21 patients with Crohn´s Disease who underwent treatment with freshly harvested autologous adipose tissue for perianal fistulas between March 2015 and June 2018. Inclusion criteria consisted of the following: the presence of complex CD fistulas refractory to standard surgical intervention, including long-term seton and regular curettage, and/or medical treatment. Pelvic magnetic resonance imaging (MRI) was performed to describe the location and extent of the fistula. Clinical examinations of the patients were performed at intervals of six weeks, three months and six months following adipose tissue injection. Primary endpoint was complete fistula healing at clinical examination six months after the last injection. A fistula was considered completely clinically healed: (i) if the patient had no symptoms of discharge; (ii) if there was no visible external fistula opening in the perineum; and (iii) if no internal opening could be palpated with rectal digital examination. Secondary endpoints included either reduced or ceased fistula secretion. If clinical healing of the fistula was not obtained six weeks after the first treatment, patients were offered a second adipose injection within two weeks. A third injection was offered to patients who did not have complete healing within six weeks of the first two injections.Pelvic MRI was repeated in all patients with transsphincteric and intersphincteric fistulas who, upon clinical examination, demonstrated complete healing at 6 months after the last injection. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT03803917
Study type	Interventional
Source	University of Aarhus
Contact
Status	Completed
Phase	N/A
Start date	March 1, 2015
Completion date	June 30, 2018

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Clinical trials are conducted in a series of steps, called phases - each phase is designed to answer a separate research question.

Phase 1: Researchers test a new drug or treatment in a small group of people for the first time to evaluate its safety, determine a safe dosage range, and identify side effects.
Phase 2: The drug or treatment is given to a larger group of people to see if it is effective and to further evaluate its safety.
Phase 3: The drug or treatment is given to large groups of people to confirm its effectiveness, monitor side effects, compare it to commonly used treatments, and collect information that will allow the drug or treatment to be used safely.
Phase 4: Studies are done after the drug or treatment has been marketed to gather information on the drug's effect in various populations and any side effects associated with long-term use.