Safety and Efficacy of Fecal Microbiota Transplantation in a Population With Bipolar Disorder
Study Details
Study Description
Brief Summary
Every human harbors complex microbial communities (collectively, the human 'microbiome') that cover the skin and the body's mucosal surfaces. There is mounting evidence of an interaction between the intestinal microbiota, the gut, and the central nervous system (CNS) in what is recognized as the microbiome-gut-brain axis. Based on this compelling body of evidence, there is growing enthusiasm for work that is focused on translating this emerging association into novel therapies for psychiatric illness.
Fecal microbiota transplantation(FMT) is a technique in which gut bacteria are transferred from a healthy screened donor to a patient, with the goal to introduce or restore a stable microbial community in the gut.There are no clinical trials examining the impact of FMT on Bipolar Disorder (BD). However, there is biological rationale to support this type of treatment, given the known inflammatory underpinnings of this illness.
The objective of this study is to assess the effectiveness of this very novel therapy targeting the gut-brain axis, FMT, to treat bipolar depression.
Study Hypotheses:
Main hypothesis: FMT from healthy donors to patients with BD depression will improve depression symptoms as an adjunct to approved medication.
Secondary hypotheses:
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FMT will also reduce anxiety and global function
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FMT is safe and will be well tolerated by the patients
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Improvements in clinical parameters will be associated with specific changes in the intestinal microbiome and/or metabolites in stool and serum
Condition or Disease | Intervention/Treatment | Phase |
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Phase 2/Phase 3 |
Detailed Description
The primary goals of this proof of concept study are to determine the effectiveness, safety and tolerability of FMT in adults with BD depression.
Objective 1: To evaluate the effectiveness of the combination of a currently accepted approved therapy for BD depression + FMT in individuals with BD depression. This will be assessed through a change in the Montgomery-Ãsberg Depression Rating Scale (MADRS) total score from baseline (pre-intervention) to the final visit (week 24). The investigators will also assess the proportion of patients withdrawing from study due to inadequate control of depressive symptoms.
Secondary objective 2: To evaluate the effectiveness of FMT on anxiety symptoms and global function/overall improvement in participants with BD depression. Secondary objective 3: To determine the safety and tolerability of FMT in individuals with BD depression. Safety will be evaluated by solicited and unsolicited adverse events, including serious adverse events, throughout the study period. Tolerability will be assessed using the Toronto Side Effect Scale (TSES). This is a 32-item instrument that is designed to establish incidence, frequency, and severity of CNS, gastrointestinal, and sexual side effects.
Secondary objective 4: To assess the effect of FMT on microbiome profile (community structure and functional metagenome) and fecal metabolome. Changes in fecal microbiome profile and fecal metabolome from baseline to the final visit will be assessed using next generation sequencing and nuclear magnetic resonance (NMR) spectrometry, respectively. Changes in mood rating scales will be correlated with a specific microbiome and metabolome signature. Intestinal microbiome and metabolome of healthy donors will also be assessed.
Study Design
Arms and Interventions
Arm | Intervention/Treatment |
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Active Comparator: Allogenic FMT Participants Randomized to this arm will receive FMT (Fecal Microbiota Transplantation) from a healthy, screened individual with no personal or family history of an Axis 1 disorder. |
Biological: Allogenic FMT
Fifty (50) g of screened donor feces will be weighed and homogenized with 30 mL of sterile 0.9 N NaCl + 10% glycerol using a sterile 330 micron micro-filter-separated double-compartment polyethylene bag in the Stomacher® Paddle Blender.
2.The volume of fecal filtrate corresponding to fifty (50) g of donor stools will be transferred into a 50 mL Falcon tube with screw top and frozen at -80oC.
3. For colonoscopy administration, three (3) Falcon tubes of thawed FMT concentrated will be diluted to a total volume of 300 mL with 0.9N NaCl and will be transported to the endoscopy suite. In the endoscopy suite, the FMT product will be packaged into 6 x 50 ml syringes for patient delivery by colonoscopy.
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Placebo Comparator: Autologous FMT Participants Randomized to this arm will receive FMT (Fecal Microbiota Transplantation) by re-infusion of their own feces donated earlier in the study. |
Biological: Autologous FMT
1. Fifty (50) g of the participant's feces will be weighed and homogenized with 30 mL of sterile 0.9 N NaCl + 10% glycerol using a sterile 330 micron micro-filter-separated double-compartment polyethylene bag in the Stomacher® Paddle Blender.
3.The volume of fecal filtrate corresponding to fifty (50) g of participant's stools will be transferred into a 50 mL Falcon tube with screw top and frozen at -80oC.
3. For colonoscopy administration, three (3) Falcon tubes of thawed FMT concentrated will be diluted to a total volume of 300 mL with 0.9N NaCl and will be transported to the endoscopy suite. In the endoscopy suite, the FMT product will be packaged into 6 x 50 ml syringes for patient delivery by colonoscopy.
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Outcome Measures
Primary Outcome Measures
- Change in the MADRS total score from baseline (pre-intervention) to the final visit (week 24). [Every 2 weeks for 24 weeks]
The MADRS score will be used to assess the effectiveness of the combination of a currently accepted approved therapy plus FMT on depression symptoms. The MADRS score will also help assess the percentage of patients who show inadequate control of depressive symptoms
Secondary Outcome Measures
- Changes in the the Clinical Global Impression (CGI) scale [Every 2 weeks for 24 weeks]
The effectiveness of Approved treatment + FMT in controlling anxiety symptoms and global function/Overall improvement will be assessed through the CGI
- Changes in the the World Health Organization Quality of life (WHOQOL-BREF) rating [Every 2 weeks for 24 weeks]
The effectiveness of Approved treatment + FMT in improving the quality of life of bipolar depression patients will be assessed through the World Health Organization Quality of life (WHOQOL-BREF) questionnaire.
- Side effects as reported on the Toronto Side Effect Scale (TSES) [Every 2 weeks for 24 weeks]
The tolerability of FMT will be assessed using the Toronto Side effects Scale (TSES)
- Changes in fecal microbiome profile [stool sample collected at Baseline (Visit 2), week 12 and at week 24]
Stool samples will be collected and analysed using next generation sequencing to examine changes in Changes in fecal microbiome profile
- Changes in fecal Metabolome [stool sample collected at Baseline (Visit 2), week 12 and at week 24]
Stool samples will be collected and analysed using nuclear magnetic resonance (NMR) spectrometry
Eligibility Criteria
Criteria
Inclusion Criteria:
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Between 18-65 years of age
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Outpatient status
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Have a diagnosis of bipolar disorder (BD) (type I or II) according to the Mini International Neuropsychiatric Interview (MINI)
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Have been on a stable first line treatment for BD depression at an adequate dose for at least 8 weeks prior to study entry
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Suffer from a current depressive episode (Montgomery-Åsberg Depression Rating Scale (MADRS) score at screening and baseline of ≥ 12)
Exclusion Criteria:
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DSM-IV criteria for substance abuse within the last 6 months or lifetime dependency
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Active eating disorders
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Schizophrenia or schizoaffective disorder
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Current psychotic symptoms
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A Young Mania Rating Scale (YMRS) score of ≥12 at screening
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Active suicidality
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Regular intake of non-steroidal anti-inflammatory drugs or iron supplements in the 3 months prior to study entry
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Use of prebiotics or probiotics for medical purposes, use of antibiotics or any experimental drug in the 3 months prior to study entry
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Chronic gastrointestinal diseases
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Conditions causing immunosuppression
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A significant bleeding disorder
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Any contraindication to colonoscopy
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Pregnancy or breastfeeding
Contacts and Locations
Locations
Site | City | State | Country | Postal Code | |
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1 | Women's college Research Institute | Toronto | Ontario | Canada | M5G1N8 |
Sponsors and Collaborators
- Valerie Taylor
- University Health Network, Toronto
Investigators
- Principal Investigator: Valerie Taylor, MD, PhD, Women's College Hospital
Study Documents (Full-Text)
None provided.More Information
Additional Information:
Publications
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- STAN-FMT-WCH-2016