Adipose Tissue Injection in Perianal Fistulas in Crohn´s Disease
This randomized and placebo controlled study investigates the efficacy of injections with freshly harvested autologous adipose tissue in CD patients with complex perianal fistulas refractory to standard surgical and/or medical treatment. 140 CD patients will be included and randomized to either treatment with freshly harvested autologous adipose tissue or placebo (saline). Primary outcome measures are clinical healing 6 months after treatment evaluated by clinical examination and pelvic MRI.
Healthy volunteers are participants who do not have a disease or condition, or related conditions or symptoms
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|Eligible Ages||18 Years - 70 Years|
- - Diagnosed with Crohn´s Disease - Perianal fistula with out branching or cavities with one external and one internal opening, which due to the risk for development of incontinence is not suitable for lay-open procedure, meaning: 1) all anterior interspinchteric and low transpinchteric (involving<1/3 of spinchter) in women 2) high interspinchteric fistulas 3) high transspinchteric (>1/3 of sphincter), suprasphincteric and ekstrasphincteric fistulas 4) intersphincteric or low transsphincteric fistula in patients with fecal incontinence and/or fecal urge.
Exclusion Criteria:- Pregnancy - Changes in immunmodulator or anti-TNFalfa treatment < 12 weeks - Anovaginal fistulas - Rectal or anal stenosis - Active proctitis - Stoma - Previous surgery for fistulas besides simpel drainage or seton - Smoker - Insulin-dependent diabetes, conditions inducing defective immunity, pelvic radiation - pelvic MRI contraindicated
This trial id was obtained from ClinicalTrials.gov, a service of the U.S. National Institutes of Health, providing information on publicly and privately supported clinical studies of human participants with locations in all 50 States and in 196 countries.
Phase 1: Studies that emphasize safety and how the drug is metabolized and excreted in humans.
Phase 2: Studies that gather preliminary data on effectiveness (whether the drug works in people who have a certain disease or condition) and additional safety data.
Phase 3: Studies that gather more information about safety and effectiveness by studying different populations and different dosages and by using the drug in combination with other drugs.
Phase 4: Studies occurring after FDA has approved a drug for marketing, efficacy, or optimal use.
|Phase 2/Phase 3|
The sponsor is the organization or person who oversees the clinical study and is responsible for analyzing the study data.
|University of Aarhus|
The person who is responsible for the scientific and technical direction of the entire clinical study.
|Lilli Lundby, MD|
|Principal Investigator Affiliation||Aarhus University Hospital|
Category of organization(s) involved as sponsor (and collaborator) supporting the trial.
The disease, disorder, syndrome, illness, or injury that is being studied.
|Crohn Disease, Perianal Fistulas, Cell- and Tissue-Based Therapy, Treatment|
Injection with freshly harvested autologous adipose tissue has been reported to be an efficient treatment of perianal fistulas in patients with Crohn´s Disease (CD). In a prospective observational study 57 % of 21 patients with complex fistulas refractory to combined surgical and/or medical treatment achieved complete clinical healing of the treated fistulas from one to three injections. This randomized and placebo controlled study aims to confirm the efficacy of injections with freshly harvested autologous adipose tissue in CD patients with perianal fistulas. 140 CD patients with complex perianal fistulas refractory to standard surgical and/or medical treatment will be included and randomized to either treatment with freshly harvested autologous adipose tissue or placebo (saline). Clinical evaluation of the treatment efficacy will also be performed in a blinded manner.
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