About this trial
This clinical trial will investigate the effects of capsules containing stool from healthy donors, called fecal microbial transplant (FMT), in rheumatoid arthritis patients.
Eligibility criteria
This trial does not accept healthy volunteersQualifiers
18-years old or older
RA diagnosis by ACR/EULAR criteria [26]
Positive for the RA-associated antibodies, anti-citrullinated protein/peptide antibodies (ACPA) and/or rheumatoid factor (RF)
Stable RA therapy > 6 months
Disqualifiers
Pregnant or breastfeeding
Current or recent [in the last 60 days] exposure to high dose oral (>30 mg of prednisone daily or equivalent), IV corticosteroids, biologic therapies or JAKi.
Patients who require inhaled steroids or local steroid injections are not excluded from the study
Has a diagnosis of immunodeficiency (HIV, transplantation, or autoimmune disease other than RA requiring immunosuppressive therapies), or currently receiving systemic steroid therapy (>10 mg prednisone daily or equivalent)
Trial design
Parallel
Treatments tested in this trial
Fecal Microbial transplant
DrugFecal microbial transplant will be investigated for its effect on gut bacterial composition in patients with rheumatoid arthritis.
Placebo capsules
Other interventionThe placebo capsules will not contain FMT but will have the same appearance.
Treatment groups
Trial outcomes
Primary outcomes
Change in Intestinal Permeability
A blood sample will be collected for bacterial DNA analysis.
Change in Intestinal Permeability
A urine sample will be collected to measure the lactulose to mannitol ratio.
Change in RA-associated autoantibodies
A blood sample will be collected to measure RA-associated autoantibodies.
Adverse Events
Adverse events will be evaluated at every study visit. Participants will also be instructed to contact study staff by phone if they experience an adverse event in between study visits.
Secondary outcomes
Change in Fecal Microbial Composition
Stool samples will be collected to determine fecal microbial composition using 16S-RNA sequencing.
Change in C-Reactive Protein
Blood sample will be collected to measure CRP levels.
Other outcomes
Pain Visual Analog Scale
Change in pain will be measured using a visual analog scale.
Fatigue
Change in fatigue will be measured with a visual analog scale.
Sleep
Change in sleep will be measured with a visual analog scale.
Change in RA disease activity
RA disease activity will be measured using the disease activity score-28 (DAS28).
Sponsors and contacts
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London Health Sciences Centre Research Institute OR Lawson Research Institute of St. Joseph's
Lead sponsor
St. Joseph's Health Care London
Collaborator