Effects of Lactobacillus Plantarum PS128 on the Parkinsonian Symptoms in Parkinson's Disease.

Effects of Lactobacillus Plantarum PS128 on the Parkinsonian Symptoms in Parkinson's Disease.

This RCT study is designed to examine the extent to which L. plantarum PS128 can improve symptoms in PD patients. L. plantarum PS128 is a psychobiotic that regulates the level of dopamine in specific brain regions. Patients with PD will receive PS128 or placebo intervention for 12 weeks. Symptoms of PD will be clinically evaluated before and after the treatment, and the results will be compared.

This RCT study is designed to examine the extent to which L. plantarum PS128 can improve symptoms in PD patients. L. plantarum PS128 is a psychobiotic that regulates the level of dopamine in specific brain regions. Patients with PD will receive PS128 or placebo intervention for 12 weeks. Symptoms of PD will be clinically evaluated before and after the treatment, and the results will be compared.

Inclusion Criteria:

• Modified Hoehn &Yahr stage, MHY 1-3
• 45-80 years old
• at least 9 years education

Exclusion Criteria:

• Patients on antibiotics within the preceding one month
• Patients using of other probiotic products (sachet, capsule or tablet) within the preceding two weeks
• Have undergone surgery of liver, bladder, or gastrointestinal tract
• Have current or history of inflammatory bowel disease
• Have history of cancer
• Known allergy to probiotics
• Patients with comorbid dementia (Mini-Mental State Examination score ≤ 26) or major depression (The Beck Depression Inventory-II score ≥ 29)
• Have received deep brain stimulation
• Patients receiving artificial enteral or intravenous nutrition
• Diagnosed before 40 years old
• Poor control of other chronic diseases
• Not eligible judged by PI