Resistant Maltodextrin for Gut Microbiome in Parkinson's Disease: Safety and Tolerability Study

Parkinson Disease Clinical Trial

Official title:

Gut Microbial Remodeling With Resistant Maltodextrin for Motor and Non-motor Symptoms in Parkinson's Disease: Safety and Tolerability Study

Clinical Trial Details — Status: Active, not recruiting

Administrative data

• NCT number: NCT03667404
• Other study ID #: STU00207142
• Status: Active, not recruiting
• Phase: Phase 2
• Start date: November 6, 2018
• Est. completion date: March 31, 2024

Study information

• Verified date: February 2024
• Source: Northwestern University
• Contact: n/a
• Is FDA regulated: No
• Study type: Interventional

Clinical Trial Summary

This study will evaluate the safety and tolerability of a dietary fiber, resistant maltodextrin, in people with Parkinson's disease. It will also evaluate the fiber's effect on the gut microbiome and potential effects on motor function and non-motor functions. Half of the participants will receive resistant maltodextrin and the other half will receive a control substance, maltodextrin.

Description:

Intestinal microbiota may play in important role in Parkinson's disease (PD). Colonic bacteria play roles in multiple functions including gut motility and secretion of metabolites which can have systemic effects on the body. Recent evidence has shown that people with PD have an altered distribution of gut bacteria that healthy controls. These changes are associated with differences in various metabolites, including butyrate, that are involved in maintaining the gut barrier integrity and even gait and balance function. Microbiota dysbiosis could potentially exacerbate or even contribute to the pathogenesis of PD. Probiotic and dietary interventions may improve gut function and the motor symptoms in PD, but neither have been examined for their effect on the gut microbiome. Prebiotic treatments have been shown to order the microbiome in some populations, but have not been assessed for tolerability or efficacy in PD. The objective of this study is to examine the safety and tolerability of resistant maltodextrin (RM), a prebiotic non-digestible fiber, and its effect on the microbiome and motor in non-motor symptoms and PD. The investigators will conduct a randomized, parallel-group double-blinded controlled trial assessing RM 50 g daily compared to maltodextrin (an easily digestible glucose polysaccharide) over 4 weeks. Patients will be dosed with 25 g daily for 1 week and then titrated to 50 g daily for the remaining 3 weeks. The goals of this study include: 1) To determine the safety and tolerability of RM compared to maltodextrin in patients with PD; 2) To determine if RM will remodel the gut microbiome in patients with PD; 3) (exploratory) To determine if RM administration will improve motor and non-motor symptoms in PD.

Recruitment information / eligibility

• Status: Active, not recruiting
• Enrollment: 30
• Est. completion date: March 31, 2024
• Est. primary completion date: June 30, 2022
• Accepts healthy volunteers: No
• Gender: All
• Age group: 60 Years and older

Eligibility

Inclusion Criteria:

• Men and women age =60 years
• Diagnosis of PD based on United Kingdom PD brain bank criteria, Hoehn and Yahr stage 1-3.
• Stable dose of PD medications for 30 days prior to study and for duration of study
• If used, stable dose of melatonin, sedative/hypnotic or stimulant medications

Exclusion Criteria:

• use of other prebiotic or probiotic treatment for 30 days prior to or during the study
• unstable medical or psychiatric disorder
• history of diabetes mellitus or current use of medication for diabetes
• cognitive impairment based on Montreal Cognitive Assessment (MoCA) <25.
• current or recent (within previous 3 weeks) use of laxatives
• use of antibiotics in the past 30 days
• participation in another clinical trial in the past 30 days.

Related Conditions & MeSH terms

• Dietary Modification
• Intestinal Bacteria Flora Disturbance
• Parkinson Disease

Intervention

Dietary Supplement:
• Resistant maltodextrin
Resistant maltodextrin powder
• maltodextrin
maltodextrin powder

Locations

Country	Name	City	State
United States	Northwestern University	Chicago	Illinois

Sponsors (2)

Lead Sponsor	Collaborator
Northwestern University	University of Illinois at Chicago

Country where clinical trial is conducted

United States, 

References & Publications (27)

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* Note: There are 27 references in all — Click here to view all references

Outcome

Type	Measure	Description	Time frame	Safety issue
Primary	Adverse events	Adverse event frequency and severity based on diary reports, phone calls, and in-person assessments.	4 weeks
Secondary	Gut microbial remodeling	Change in fecal butyrate-producing bacteria based on high-throughput amplicon sequencing of the V4 variable region of the microbial 16s ribosomal ribonucleic acid (RNA) gene.	4 weeks