- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT03152097
Targeting FMO-Mediated TMAO Formation in Kidney Disease (TMAO) Study (TMAO)
September 20, 2019 updated by: Thomas Nolin, University of Pittsburgh
The project will investigate the modulation of flavin-containing monooxygenase (FMO) formation of the CVD risk factor trimethylamine-N-oxide (TMAO) in patients with kidney disease.
Study Overview
Status
Completed
Conditions
Intervention / Treatment
Detailed Description
Twelve patients with stage 3 to 4 kidney disease will receive an intervention for four weeks and a matching placebo in a crossover study design.
Reduction of serum TMAO from baseline to end of intervention will be the primary endpoint.
Study Type
Interventional
Enrollment (Actual)
13
Phase
- Not Applicable
Contacts and Locations
This section provides the contact details for those conducting the study, and information on where this study is being conducted.
Study Locations
-
-
Pennsylvania
-
Pittsburgh, Pennsylvania, United States, 15261
- University of Pittsburgh
-
-
Participation Criteria
Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.
Eligibility Criteria
Ages Eligible for Study
18 years to 75 years (Adult, Older Adult)
Accepts Healthy Volunteers
No
Genders Eligible for Study
All
Description
Inclusion Criteria:
- Male or female subjects 18 years of age, but not more than 75 years of age at the time of enrollment.
- Must be able to provide signed and dated informed consent.
- Medical diagnosis of chronic kidney disease (eGFR ≤ 60 ml/min/1.73m2 )
Exclusion Criteria:
- Vital signs outside of acceptable range at Screening Visit
Use of any of the following drugs within the last 3 months:
Systemic antibiotics, antifungals, antivirals or antiparasitics (intravenous, intramuscular, or oral); oral, intravenous, intramuscular, nasal or inhaled corticosteroids; cytokines; methotrexate or immunosuppressive cytotoxic agents; anti-diarrheal agents, bile acid sequestrants.
- Consuming commercial probiotics including tablets, capsules, lozenges, chewing gum or powders in which probiotic is a primary component. Ordinary dietary components such as fermented beverages/milks, yogurts, foods do not apply.
- Chronic, clinically significant hepatic abnormality (i.e. elevated 3X ULN ALT/AST), as determined by medical history or physical examination.
- History of cancer except for squamous or basal cell carcinomas of the skin that have been medically managed by local excision.
- Unstable dietary history as defined by major changes in diet during the previous month, where the subject has eliminated or significantly increased a major food group in the diet.
- Recent history of chronic alcohol consumption defined as more than five 1.5-ounce servings of 80 proof distilled spirits, five 12-ounce servings of beer or five 5-ounce servings of wine per day.
- Any confirmed or suspected condition/state of immunosuppression or immunodeficiency.
- History of active uncontrolled gastrointestinal disorders or diseases including: Inflammatory bowel disease (IBD) including ulcerative colitis (mild-moderate-severe), Crohn's disease (mild-moderate-severe), or indeterminate colitis; irritable bowel syndrome (IBS) (moderate-severe); persistent, infectious gastroenteritis, colitis or gastritis, persistent or chronic diarrhea of unknown etiology, Clostridium difficile infection (recurrent) or Helicobacter pylori infection (untreated); chronic constipation. Major surgery of the GI tract, with the exception of cholecystectomy and appendectomy, in the past five years. Any major bowel resection at any time.
- Patient who may be pregnant or lactating.
- Not willing to abstain from cruciferous vegetable (i.e. cabbage, brussels sprouts, garden cress, mustard greens, turnips, broccoli, collard greens , cauliflower, kale) consumption.
- Current smoking.
- Unwilling or unable to adhere to study procedures or instructions.
- Patients taking any of the following medications, methimazole, alosetron, duloxetine, ramelteon, tasimelteon, theophylline, tizanidine, clozapine, pirfenidone and ramosetron.
- Allergies to corn or soy.
Study Plan
This section provides details of the study plan, including how the study is designed and what the study is measuring.
How is the study designed?
Design Details
- Primary Purpose: Other
- Allocation: Randomized
- Interventional Model: Crossover Assignment
- Masking: Triple
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Placebo Comparator: Placebo
This crossover design will include 4 weeks of diindolylmethane and 4 weeks of matching placebo assignment.
|
Commercially available Diindolylmethane is a compound derived from cruciferous vegetables (e.g.
broccoli)
A matching placebo capsule will be compounded by the UPMC Investigational Drug Service
|
Experimental: Commercially available Diindolylmethane
This crossover design will include 4 weeks of diindolylmethane and 4 weeks of matching placebo assignment.
|
Commercially available Diindolylmethane is a compound derived from cruciferous vegetables (e.g.
broccoli)
A matching placebo capsule will be compounded by the UPMC Investigational Drug Service
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
TMAO
Time Frame: 12 weeks.
|
Serum TMAO concentrations
|
12 weeks.
|
Collaborators and Investigators
This is where you will find people and organizations involved with this study.
Sponsor
Investigators
- Principal Investigator: Thomas D Nolin, PharmD, PhD, University of Pittsburgh
Study record dates
These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.
Study Major Dates
Study Start (Actual)
March 30, 2018
Primary Completion (Actual)
April 18, 2019
Study Completion (Actual)
August 30, 2019
Study Registration Dates
First Submitted
May 4, 2017
First Submitted That Met QC Criteria
May 10, 2017
First Posted (Actual)
May 12, 2017
Study Record Updates
Last Update Posted (Actual)
September 24, 2019
Last Update Submitted That Met QC Criteria
September 20, 2019
Last Verified
September 1, 2019
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- PRO16090410
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
NO
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
No
Studies a U.S. FDA-regulated device product
No
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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