Study on the Treatment of Anal Fistulas Using Alofisel Versus Fat

Status Not yet recruiting

Clinical Trial Summary

One of the newest and most innovative medicinal approaches is cell therapy. Several clinical trials and experimental investigations have looked into the feasibility of treating CD-related fistulas with stem cells. The current indication for ALOFISEL® (active ingredient: Darvadstrocel) is the treatment of difficult perianal Crohn's fistulas that have not responded well to at least one conventional therapy or biotherapy. This brand-new cell therapy medication is created using amplified allogeneic human adult mesenchymal stem cells from adipose tissue (ADSC). The supplier mandates that two patients be booked for a single dose of ALOFISEL® due to the medication's expensive price-roughly €54,000 for a single dose of 120 million-which cannot be stored once thawed. Only one of the two patients receives therapy; the other serves as the backup patient. By doing this, another "back-up" patient who might receive no care at all is avoided. An developing alternate approach to allogeneic ADSC injection for the treatment of complicated anal fistulas in CD is autologous fat injection. In recent years, autologous fat grafts have been the subject of in-depth research. They are popular because it is simple to get clinical samples (lipoaspirate, adipose tissue), and because there are a lot of ADSCs in adipose tissue. Additionally, ADSCs show strong immunomodulatory and regenerative capacities. We would wish to compare the effectiveness of these two injection kinds on perianal fistulas as part of our care of CD.

Clinical Trial Description

The trial will be made available to patients who are scheduled for perianal surgery with ALOFISEL® or backup (fat injection). The history and signs of perianal fistula will be noted if the patient doesn't object. Two visits that correspond to typical follow-up visits for patients will be noted: Visit following surgery: fistula clinical evaluation, analgesic use, etc. and six months after : clinical assessment, MRI ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT05974280
Study type	Observational
Source	Nantes University Hospital
Contact
Status	Not yet recruiting
Phase
Start date	January 2024
Completion date	June 2025

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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.

Study on the Treatment of Anal Fistulas Using Alofisel Versus Fat Autologous Stem Cells — CHAZAM

Clinical Trial Summary

Clinical Trial Description

Study Design

Related Conditions & MeSH terms