Comparative efficacy of gut microbiota-targeted therapies for motor and non-motor symptoms in Parkinson's disease: a systematic review and network meta-analysis
Gut dysbiosis may contribute to Parkinson's disease (PD) through the microbiota-gut-brain axis. Probiotics, synbiotics, and fecal microbiota transplantation (FMT) have been studied as potential treatments, but their comparative effects remain uncertain. We searched trial registries and electronic databases f...