Five years later, with thanks to Jeffreyn who posted this paper on Health Unlocked:
"Fecal microbiota transplantation therapy for Parkinson's disease
A preliminary study"
Xue, Liu-Jun et al.
Medicine, August 2020
Fecal microbiota transplantation therapy for Parkinson's dis... : Medicine
Reporting on a small sample size of 15 PwP, Xue et al. write:
"the results of this preliminary study indicate that FMT can relieve the motor and non-motor symptoms with acceptable safety in PD. Compared with nasointestinal FMT, colonic FMT may be more effective and may become a new option for the treatment of PD."
John