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Effects of Resistant Starch on Bowel Habits, Fecal Short Chain Fatty Acids and Gut Microbiota in Parkinson Disease

Not Applicable
Completed
Conditions
Parkinson Disease
Interventions
Dietary Supplement: Resistant starch
Other: Recommendation with regard to nutrition
Registration Number
NCT02784145
Lead Sponsor
Universität des Saarlandes
Brief Summary

The investigators will investigate the effects of an 8-week resistant starch (RS) supplementation (5 g twice a day) in patients with Parkinson Disease and matched controls on:

1. symptoms of constipation (assessed by clinical scores);

2. fecal short chain fatty acid concentrations (measured by chromatography);

3. gut microbiota composition.

Detailed Description

Not available

Recruitment & Eligibility

Status
COMPLETED
Sex
All
Target Recruitment
95
Inclusion Criteria
  • Written informed to participate
  • For patients: diagnosis of Parkinson Disease

Main

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Exclusion Criteria
  • Use of antibiotics, steroids or probiotic supplements
  • Chronic or acute disorders of the gastrointestinal tract
  • History of gastrointestinal surgery (other than appendectomy)
  • For healthy controls: Family history of neurodegenerative disorders
Read More

Study & Design

Study Type
INTERVENTIONAL
Study Design
PARALLEL
Arm && Interventions
GroupInterventionDescription
RSResistant starchResistant starch supplementation (5 g twice a day)
No RSRecommendation with regard to nutritionPD patients who do not receive resistant starch, but who receive recommendations concerning healthy Nutrition (based on the guidelines of the German Society for Nutrition)
Primary Outcome Measures
NameTimeMethod
Bowel habits8 weeks

Number of patients with improved bowel habits

Fecal short chain fatty acid (SCFA) concentrations8 weeks

Number of patients with either a) increased, b.) unaltered or c) decreased concentration of short chain fatty acids in fecal samples at 8 weeks (compared to baseline)

Analysis of fecal microbiota composition8 weeks

Analysis to detect changes between baseline and 8 weeks of resistant starch supplementation

Secondary Outcome Measures
NameTimeMethod

Trial Locations

Locations (1)

Saarland University

🇩🇪

Homburg / Saar, Saarland, Germany

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