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Parkinson DiseaseNCT06388863

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

A study testing Healthy donor-derived FMT capsule in people with Parkinson Disease, run by Shanghai Zhongshan Hospital at 1 site in China.

Recruiting

Looking for participants now. Contact the study team or a site below to ask about taking part.

Sites and contacts
Official record
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Trial summary

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. Read more about this study

Who is it for?
Ages 40 to 75 yearsHealthy volunteers can take part
Conditions the study is for
Parkinson Disease
What is being tested?
Healthy donor-derived FMT capsule
Type of treatment
Pill or oral medicine
Could I receive a placebo?
Yes, some participants may receive a placebo
How many people
76 participants
Where
1 siteChina
Study dates
21 Feb 2025to 31 Dec 2027
Phase
Interventional
Are there results?
Not yet: the study is under way

Key requirements

Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.

  • Ages 40 to 75 years
  • All sexes
  • Healthy volunteers accepted
  • Adult, Older adult

Who may be able to join

  • Participants who fulfill Chinese diagnostic criteria for PD (2016 edition), aged 40-75 years;
  • PD Hoehn-Yahr stage 1-3
  • Participants who have at least 2 of the following symptoms in the past 3 months and the symptoms have been present for at least 6 months: ① More than 25% of defecations are laborious; ② More than 25% of defecations consist of hard or lumpy stools; ③ More than 25% of defecations are accompanied by a sensation of incomplete evacuation; ④ More than 25% of defecations are accompanied by a sensation of anorectal obstruction; ⑤ More than 25% of defecations require manual assistance; ⑥ Less than 3 spontaneous bowel movements per week.
  • Have taken a stable dose of anti-Parkinson drugs, antidepressants and antipsychotics for at least 1 month;
  • Absence of red flags such as weight loss, hematochezia and exclusion of other diagnosis;
  • Have signed the informed consent and agree to participate in this study;

Who cannot join

  • Parkinsonism-plus syndrome;
  • Stroke, brain trauma or epilepsy;
  • Have undergone surgery intervention due to PD;
  • Pregnant, planning pregnancy or lactating;
  • Psychiatric disorder or unable to cooperate with treatment and follow-up visit;
  • Immunodeficiency or treatment with immune-modulating medication;
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  • Have undergone any abdominal surgery, with the exception of appendectomy, cholecystectomy, caesarean section and hysterectomy;
  • Presence of uncontrolled diabetes, hypertension, thyroid disease or other systemic disease;
  • Use of probiotics or antibiotics within 1 month prior to study entry;
  • Presence of severe diseases related to heart, brain, kidney and lung or concomitant malignancies;

Trial locations and contacts

1 site in 1 country. Contact the study team or a site near you to ask about taking part.

China1 site, 1 recruiting
  • 180 Fenglin Road

    Shanghai, Shanghai Municipality, 200032

    Shengdi Wu, (86)13817923359, wu.shengdi@zs-hospital.sh.cn

    Shengdi Wu

    Recruiting

Other trials in China

About this study

Official title: Evaluation of the Efficacy and Safety of Fecal Microbiota Transplantation for Parkinson's Disease Patients With Constipation

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.

Read the detailed description

This prospective, double-blind, randomised, placebo-controlled study aims to evaluate efficacy and safety of fecal microbiota transplantation for constipation in Parkinson's disease. Participants will be given either FMT capsules or placebo capsules at a ratio of 1:1. For experimental 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. After 24-week treatment, participants complete specific scales to assess improvement in constipation, other PD symptoms, emotion and quality of life. Besides, fecal samples are collected for metagenomics and metabolomics sequencing and blood samples are tested peripheral concentration of levodopa.

Being tested
Healthy donor-derived FMT capsule, Placebo capsule
Medical subject headings
Parkinson Disease

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

  • Healthy donor-derived FMT capsuleDrug

    Participants will be treated with healthy donor-derived fecal microbiota transplantation in the form of oral capsules.

  • Placebo capsuleDrug

    Capsules whose appearance and smell are identical as FMT capsules but contain milk powder

Study groups in NCT06388863
Study groupRoleWhat they receive
FMT capsule groupExperimentalParticipants will be given 6 FMT capsules twice a week for 24 weeks. The FMT capsules derived from healthy donors.
Receives: Drug: Healthy donor-derived FMT capsule
Placebo capsule groupPlacebo comparatorParticipants will be given 6 placebo capsules twice a week for 24 weeks. Placebo capsules are identical in appearance and smell as FMT capsules but contain milk powder.
Receives: Drug: Placebo capsule

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. Response rate of constipation in Parkinson's Disease (PD)

    Efficacy index is calculated based on Wexner score. Efficacy index ≥30% is defined as response.

    Measured: at week 24

Secondary outcomes (7)
  1. Change from baseline PD symptoms at week 5, week 13 and week 24

    PD symptoms are assessed via Unified Parkinson's Disease Rating Scale (UPDRS), PD Hoehn-Yahr grade, Non-Motor Symptoms Questionnaire (NMSQ). Change in PD symptoms is obtained by evaluating theses scales at baseline and week 5, week 13 and week 24.

    Measured: at baseline and week 5, week 13 and week 24

  2. Change from baseline anxiety at week 5, week 13 and week 24

    Self-rating Anxiety Scale (SAS) is used to evaluate anxiety in PD patients, with a score ranging from 25 to 100. Higher score indicates higher level of anxiety. Change in SAS score is obtained by evaluating the scale at baseline, week 5, week 13 and week 24.

    Measured: at baseline and week 5, week 13 and week 24

  3. Change from baseline depression at week 5, week 13 and week 24

    Self-rating Depression Scale (SDS) is used to evaluate depression in PD patients, with a score ranging from 25 to 100. Higher score indicates higher level of depression. Change in SDS score is obtained by evaluating the scale at baseline, week 5, week 13 and week 24.

    Measured: at baseline and week 5, week 13 and week 24

  4. Change from baseline quality of life at week 5, week 13 and week 24

    Parkinson's disease Questionnaire (PDQ-39) is used to assess quality of life in PD patients. Higher score indicates worse life quality. Change in PDQ-39 score is obtained by evaluating the scale at baseline, week 5, week 13 and week 24.

    Measured: at baseline and week 5, week 13 and week 24

  5. Change from baseline drug concentration of levodopa in peripheral blood at week 13 and week 24

    Blood samples are collected and tested for drug concentration of levodopa in peripheral blood

    Measured: at baseline, week 13 and week 24

  6. Change from baseline fecal microbiota based on metagenomics sequencing at week 5, week 13 and week 24

    Fecal samples are collected at baseline, week 5, week 13 and week 24. Change in fecal microbiota is measured by metagenomics.

    Measured: at baseline, week 5, week 13 and week 24

  7. Change from baseline fecal metabolites based on non-targeted metabolomics at week 5, week 13 and week 24

    Fecal samples are collected at baseline, week 5, week 13 and week 24. Change in fecal metabolites is measured by non-targeted metabolomics.

    Measured: at baseline, week 5, week 13 and week 24

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted29 Apr 2024
  2. Study start21 Feb 2025
  3. Primary completion31 Dec 2026 (estimated)
  4. Study completion31 Dec 2027 (estimated)

Resources

More details

For doctors and researchers: how the study is designed, who runs it, and its registry IDs.

Study design
Study type
Interventional
Phase
Phase N/A
Primary purpose
Treatment
Allocation
Randomised
Intervention model
Parallel groups
Masking
Triple blind
Who is masked
Participant, Investigator, Outcomes assessor
Enrolment
76 participants (estimated)
IDs, dates and publications
ClinicalTrials.gov ID
NCT06388863
Sponsor's protocol ID
B2024-002
Status last verified
Apr 2025
First submitted
25 Apr 2024
Last updated
4 Apr 2025
Results posted
No
FDA-regulated drug
No
FDA-regulated device
No
Individual data sharing
No

Questions about this trial

What is this clinical trial studying?

A study testing Healthy donor-derived FMT capsule in people with Parkinson Disease, run by Shanghai Zhongshan Hospital at 1 site in China.

The full registered description is in the About this study section and the official record.

Who may be eligible to take part?

The sponsor lists 6 inclusion and 10 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.

Is this clinical trial currently recruiting?

The record says: looking for participants now, as of the sponsor's last update on 4 Apr 2025. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 1 site in China. Whether a site is taking part right now should be confirmed with that site. See every site.

What are the possible benefits and risks?

They depend on the study and the treatment, and no study can promise a benefit. Some participants in this study may receive a placebo. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.

Are results available for this study?

This study is still under way. Results are not available in the source record yet.

How can a doctor refer a patient or contact the research team?

Contact Shengdi Wu ((86)13817923359, wu.shengdi@zs-hospital.sh.cn), or a site near the patient. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

Response rate of constipation in Parkinson's Disease (PD) (time frame: at week 24). It is what the study was designed to measure, not a finding.

Where can I read the original study information?
Does a listing mean the treatment is approved or proven to work?

No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.

How often is this information updated?

AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 4 Apr 2025.

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