A recent study in JAMA Neurology found that fecal microbiota transplantation (FMT) does not provide clinically meaningful improvements for Parkinson's disease (PD). Researchers led by Dr. Filip Scheperjans from Helsinki University Hospital studied 47 PD patients, assigning them randomly to receive FMT or a placebo.
After six months, changes in Parkinson's disease symptoms, measured by the Movement Disorder Society Unified Parkinson's Disease Rating Scale, showed no significant difference between the groups. The FMT group experienced more gastrointestinal adverse events (16 vs. 1). Surprisingly, the placebo group saw a stronger increase in dopaminergic medication and better motor and nonmotor outcomes.
Microbiota changes were more pronounced after FMT but varied by donor, while the placebo group more frequently reversed dysbiosis status. The authors suggest further studies to explore modified FMT approaches, bowel cleansing, and the impact of donor microbiota composition on PD outcomes and medication needs. #neurology #parkinsons #microbiota
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