Adipose Tissue Injection for the Treatment of Complex Cryptoglandular

Status Recruiting

Clinical Trial Summary

The incidence of complex cryptoglandular anal fistula is high, it affects eminently young patients and implies an important alteration in their quality of life and high prevalence in sick leave. Its treatment remains a real challenge due to the limited efficacy of sphincter preservation techniques and the inevitable risk of faecal incontinence in those cases that require surgery. Goals: To evaluate the efficacy and safety of the injection of freshly collected autologous adipose tissue as a minimally invasive, highly reproducible alternative, without risk for the continence of the patient, and of very low cost, in the treatment of complex cryptoglandular anal fistula. Methodology: Prospective multicenter, randomized, double-blinded, parallel-group, placebo-controlled clinical trial. Randomization list for each center to ensure the balance of inter-center allocation. Patients older than 18 years with cryptoglandular anal fistula with suppuration for more than 6 weeks and less than 1 year, who have received at most: curettage and drainage placement will be included. Treatment group: injection of fresh autologous fat into the fistulous tract, after curettage and closure of the internal orifice, and after lipoaspirate fat in the abdomen and centrifugation thereof. Placebo group: curettage and closure of the internal orifice and simulated intervention in the abdomen. Evaluation: protocolized clinical history and fistula complexity score (CFS), subjective perception of its pathology, St.Marks continence score, Quality of life questionnaire (QoLAF), and endoanal 3D ultrasound, at baseline, at one week, and at 3, 6 and 12 months after the intervention. The patients and the evaluator will be blind to the treatment. Patients who cannot end up receiving treatment due to intraoperative incidents or medical decision will be excluded from the study (post randomization exclusion). In each center there will be a blind evaluator to perform the follow-ups and endoanal ultrasound.

Clinical Trial Description

n/a

Study Design

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT04790123
Study type	Interventional
Source	Hospital Mutua de Terrassa
Contact
Status	Recruiting
Phase	N/A
Start date	October 14, 2020
Completion date	October 2024

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See also
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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.

Adipose Tissue Injection for the Treatment of Complex Cryptoglandular Perianal Fistula — AdiTiF

Clinical Trial Summary

Clinical Trial Description

Study Design

Related Conditions & MeSH terms