The Safety and Efficacy of Fecal Microbiota Transplantation in a Population With Major Depressive Disorder

  • STATUS
    Recruiting
  • End date
    Mar 4, 2024
  • participants needed
    80
  • sponsor
    University of Calgary
Updated on 26 December 2021
depressive disorder
antidepressants
depressed mood
treatment resistant depression

Summary

The primary goals of this proof of concept clinical trial are to determine the effectiveness, safety and tolerability of oral FMT in adults with Treatment Resistant Depression (TRD).

Description

This study is a phase 2/3, double-blinded, randomized controlled trial (RCT) in which 80 adults with TRD being treated with an approved antidepressant medication will be assigned to either FMT capsules or identically appearing placebo capsules. Participant will be followed for f for 14 weeks post FMT. This extended observation period will allow us to see, whether FMT leads to sustainable improvements in depression and changes in intestinal microbiome

Details
Condition Depression, Treatment Resistant Depression
Treatment Placebo capsules, FMT oral Capsules
Clinical Study IdentifierNCT04805879
SponsorUniversity of Calgary
Last Modified on26 December 2021

Eligibility

Yes No Not Sure

Inclusion Criteria

Between 18-65 years of age
Participants should be at least 18 years old and not older than 65 years at
the day of screening
Have a primary diagnosis of MDD according to the M.I.N.I. International Neuropsychiatric Interview (MINI)47
Medical history suggestive of Treatment Resistant Depression (TRD). (inadequate response to at least 2 approved antidepressants. at least one of which is in the current episode of depression)48
Have been on a current treatment with a approved antidepressant at an adequate dose for at least 8 weeks
A MADRS score of ≥ 19 at screening and visit 2
Additional Inclusion Criteria
Participants who will be included in the IBS-D cohort should have a confirmed diagnosis of IBS-D as indicated by the referring gastroenterologist

Exclusion Criteria

\. Participant meets Diagnostic and Statistical Manual of Mental Disorders (DSM-5)1 Criteria for the following conditions according to the M.I.N.I: f) Substance Use Disorder within the last 3 months. (Criteria should include Alcohol and non-alcohol substances except Cannabis) g) Moderate or severe Substance use disorder for Cannabis use the last 3 months h) Active Anorexia Nervosa or Bulimia nervosa i) Schizophrenia or schizoaffective disorder j) Active suicidality 2. Regular intake of non-steroidal anti-inflammatory drugs, antibiotics, or iron supplements for medical purposes in the 3 months prior to study entry 3. Use of prebiotics or probiotics for medical purposes for more than 2 weeks within the last 3 months 4. Clinically diagnosed chronic gastrointestinal diseases (IBD, Crohn's disease, Ulcerative colitis, Celiac disease) 5\. Conditions causing immune suppression 6. Not breastfeeding, pregnant or seeking to get pregnant during the course of this study. Be using an acceptable method of birth control (implants, injectable, combined oral contraceptives, IUDs, sexual abstinence or a vasectomized partner) 7. Reported allergy to Vancomycin or Nitazoxanide
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