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Study of Fecal Microbiota Transplantation (FMT) in Severe IBS Patients (ICEBOAT)

A

Assistance Publique - Hôpitaux de Paris

Status and phase

Not yet enrolling
Phase 3

Conditions

Irritable Bowel Syndrome

Treatments

Drug: Administration of fecal microbiota transplantation ( FMT capsules)
Drug: Administration of the sham (PLACEBO)

Study type

Interventional

Funder types

Other

Identifiers

NCT06433180
APHP180583
2019-003433-41 (EudraCT Number)

Details and patient eligibility

About

The objective of this protocol is to evaluate the efficacy of fecal microbiota transplantation (FMT) using oral capsules containing frozen stools vs sham FMT on IBS severity score at 12 weeks in patients with severe irritable bowel syndrome refractory to conventional treatments.

Full description

Irritable bowel syndrome (IBS) is a chronic disease. It affects about 4.4 to 10 % of the French general population (according to Rome III or Rome IV definition) and is the most frequent functional bowel disorder in patients visiting general practitioners or gastroenterologists. The efficacy of treatments is often limited, in particular form the case severe of IBS (IBS-SSS>300) which concerns at least 20 to 25% of patients and IBS can cause significant deterioration in quality of life.

In this context, microbiota could become a potential therapeutic target, and replacement of the abnormal fecal microbiota by an "healthy" one, especially in patients refractory to previous treatment and with severe symptoms, is a seducing new therapeutic strategy. The primary outcome is an improvement in the IBS-SSS score level at 12 weeks after taking a oral capsules of FMT in patients with severe IBS.

Enrollment

150 estimated patients

Sex

All

Ages

18 to 75 years old

Volunteers

No Healthy Volunteers

Inclusion criteria

  • Age ≥ 18 years and < 75 years
  • IBS defined according to Rome IV definition (IBS-C, IBS-D or IBS-M)
  • Severe disease (IBS-SSS >300) and refractory to at least two previous treatment strategies:among the following : anti-spasmodic and/or laxatives (polyethylene glycol) or anti-diarrheal drug (loperamide) according to transit subtype for one month, antidepressants for 2 months, probiotics (ALFLOREX, SMEBIOCTA, PROBIOLOG FLORVIS) for 1 month, hypnosis for 5 hypnosis sessions in two months, Cognitive Behavioral Therapies for 2 months, colestyramine for IBS-D patients for 1 month, ondansetron for IBS-D patients and for 1 month, ebastine for 2 months, L-glutamine (5g x3/day, for 2 months, Gelsectan for one month, Biofeedback for 15 sessions in IBS-C (3 months), Low FODMAP diet for 1 month, gluten free diet for 1 month, standard dietary advice from the NICE (UK) for 1 month, increase in physical activity.
  • Patient with health insurance (AME excepted)
  • Informed written consent
  • For women with childbearing potential, efficient contraception for the duration of the participation to the study

Exclusion criteria

  • Other chronic gastrointestinal disease (celiac disease, inflammatory bowel disease)
  • participants if there is a reason to suspect an alternative diagnosis to the IBS complaints
  • Surgical intervention in the gastrointestinal region except for appendectomy, hernia repair, cholecystectomy and hemorroidectomy
  • Treatment preceding FMT with: antibiotics, antifungic or probiotics treatment < 4 weeks, or factors that may affect the composition of intestinal microbiota
  • Abuse of alcohol or drugs
  • Pregnancy or breastfeeding
  • Participation in any other interventional study
  • Patients under legal protection.
  • Acute COVID-19 infection
  • Presence of systemic disease, immune deficiency or treatment with immune-modulators
  • Severe psychiatric disorder
  • Participants who were assessed as likely to be noncompliant (ie, not adhering to the tasks they were to perform as participants)

Trial design

Primary purpose

Treatment

Allocation

Randomized

Interventional model

Parallel Assignment

Masking

Quadruple Blind

150 participants in 2 patient groups, including a placebo group

Administration of the sham (PLACEBO)
Placebo Comparator group
Description:
Oral, capsulized, frozen capsules without fecal matter but containing cryopreservation solution will be administered at the same volume and same time point as in the experimental group. Taken in one day in two separate meals. Administration of the sham after colon cleaning.
Treatment:
Drug: Administration of the sham (PLACEBO)
Administration of fecal microbiota transplantation ( FMT capsules)
Experimental group
Description:
Oral, capsulized, frozen fecal microbiota transplantation FMT delivering approximatively 24 g of stools taken in one day in two separate meals. Administration of the FMT after colon cleaning.
Treatment:
Drug: Administration of fecal microbiota transplantation ( FMT capsules)

Trial contacts and locations

1

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Central trial contact

Jean Marc SABATE, Pr; Nacira DARGHAL, PhD

Data sourced from clinicaltrials.gov

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