Actively Recruiting

Phase Not Applicable
Age: 40Years - 75Years
All Genders
Healthy Volunteers
NCT06388863

Evaluation of the Efficacy and Safety of Fecal Microbiota Transplantation for Constipation in Parkinson's Disease

Led by Shanghai Zhongshan Hospital · Updated on 2025-04-04

76

Participants Needed

1

Research Sites

149 weeks

Total Duration

On this page

AI-Summary

What this Trial Is About

Participants will be allocated to FMT group or placebo group at a 1:1 ratio. For interventional group, patients will be given six FMT capsules twice a week for 24 weeks. Placebo capsules are identical in appearance and smell but contain milk powder. At each follow-up visits, participants complete specific scales to assess improvement in constipation, emotion and quality of life. Besides, fecal samples are collected for metagenomics and metabolomics sequencing and blood samples are tested peripheral concentration of levodopa.

CONDITIONS

Official Title

Evaluation of the Efficacy and Safety of Fecal Microbiota Transplantation for Constipation in Parkinson's Disease

Who Can Participate

Age: 40Years - 75Years
All Genders
Healthy Volunteers

Eligibility Criteria

Eligible

You may qualify if you...

  • Participants diagnosed with Parkinson's disease according to Chinese diagnostic criteria (2016 edition), aged 40 to 75 years
  • Parkinson's disease Hoehn-Yahr stage 1 to 3
  • Experienced at least two constipation symptoms for at least 6 months, including laborious defecation, hard or lumpy stools, sensation of incomplete evacuation, anorectal obstruction, manual assistance required, or fewer than 3 spontaneous bowel movements per week
  • On a stable dose of anti-Parkinson drugs, antidepressants, and antipsychotics for at least 1 month
  • No red flag symptoms such as weight loss or blood in stool and exclusion of other diagnoses
  • Provided informed consent and agreed to participate in the study
Not Eligible

You will not qualify if you...

  • Diagnosis of Parkinsonism-plus syndrome
  • History of stroke, brain trauma, or epilepsy
  • Previous surgical intervention for Parkinson's disease
  • Pregnant, planning pregnancy, or breastfeeding
  • Psychiatric disorders or inability to cooperate with treatment and follow-up
  • Immunodeficiency or receiving immune-modulating medication
  • Previous abdominal surgery except for appendectomy, cholecystectomy, cesarean section, or hysterectomy
  • Uncontrolled diabetes, hypertension, thyroid disease, or other systemic diseases
  • Use of probiotics or antibiotics within 1 month prior to study entry
  • Severe diseases related to heart, brain, kidney, or lung, or presence of malignancies

AI-Screening

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Trial Site Locations

Total: 1 location

1

180 Fenglin Road

Shanghai, Shanghai Municipality, China, 200032

Actively Recruiting

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Research Team

S

Shengdi Wu

CONTACT

X

Xinyi Liu

CONTACT

How is the study designed?

Study Type

INTERVENTIONAL

Masking

TRIPLE

Allocation

RANDOMIZED

Model

PARALLEL

Primary Purpose

TREATMENT

Number of Arms

2

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