Safety and feasibility of faecal microbiota transplantation for patients with Parkinson's disease: a protocol for a

Karuna Ew Vendrik1, Vlada O Chernova2,3, Ed J Kuijper2

  • 1Department of Medical Microbiology, Centre for Infectious Diseases, Leiden University Medical Center, Leiden, The Netherlands karunavendrik@gmail.com.

BMJ Open
|October 5, 2023
PubMed
Abstract

Insights

This pilot study investigates the safety and feasibility of fecal microbiota transplantation (FMT) for Parkinson's disease (PD) patients. FMT may offer a supportive strategy by modulating gut microbiota and potentially improving motor symptoms.

Area of Science:

  • Neuroscience
  • Gastroenterology
  • Microbiology

Background:

  • Gut microbiota alterations are implicated in Parkinson's disease (PD) pathophysiology via the gut-brain axis.
  • Gut microbiota influences levodopa metabolism, the primary PD treatment.
  • Faecal microbiota transplantation (FMT) presents a potential supportive therapeutic strategy for PD.

Purpose of the Study:

  • To assess the feasibility and safety of donor-FMT in patients with idiopathic Parkinson's disease.
  • To explore FMT's effects on motor complications (fluctuations, dyskinesias) and non-motor symptoms (e.g., constipation).
  • To analyze changes in gut microbiota composition and its association with PD symptoms.

Main Methods:

  • A single-centre, prospective, self-controlled, interventional pilot study.
  • 16 idiopathic PD patients receiving FMT from two healthy donors after vancomycin and bowel lavage.
  • Duodenal FMT administration with seven follow-up points over 12 months.

Main Results:

  • Primary outcomes focus on feasibility and safety of the FMT procedure.
  • Secondary outcomes include changes in motor and non-motor PD symptoms and gut microbiota composition.
  • Exploration of donor-recipient microbiota similarity and its correlation with symptom changes.

Conclusions:

  • FMT is being investigated as a novel approach for Parkinson's disease management.
  • The study protocol aims to establish safety and feasibility for future larger trials.
  • Understanding gut microbiota modulation may lead to improved therapeutic strategies for PD.