Trial of Probiotics for Constipation in Parkinson's Disease
A Randomized Double-Blinded Placebo-Controlled Trial of Probiotics for Constipation in Parkinson's Disease
1 other identifier
interventional
72
1 country
1
Brief Summary
This is a double blinded randomised placebo controlled trial to evaluate the efficacy of probiotics in the treatment of constipation in Parkinson's disease.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P75+ for not_applicable parkinson-disease
Started Dec 2017
1 active site
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
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Study Timeline
Key milestones and dates
Study Start
First participant enrolled
December 1, 2017
CompletedFirst Submitted
Initial submission to the registry
December 7, 2017
CompletedFirst Posted
Study publicly available on registry
December 19, 2017
CompletedPrimary Completion
Last participant's last visit for primary outcome
January 31, 2019
CompletedStudy Completion
Last participant's last visit for all outcomes
January 31, 2019
CompletedOctober 30, 2019
October 1, 2019
1.2 years
December 7, 2017
October 28, 2019
Conditions
Outcome Measures
Primary Outcomes (1)
Change in frequency of bowel opening per week
Average number of bowel opening per week based on stool diary
Week 4 post randomisation
Secondary Outcomes (3)
Change in stool consistency
Week 4 post randomisation
Change in constipation severity score
Week 4 post randomisation
Change in patient's quality of life in relation to constipation
Week 4 post randomisation
Study Arms (2)
Treatment
ACTIVE COMPARATORProbiotics capsules
Placebo
PLACEBO COMPARATORPlacebo capsules containing maltodextrin
Interventions
Eligibility Criteria
You may qualify if:
- Age 50 to 80 years old
- Provision of written informed consent
- Diagnosis of PD made by a Neurologist using UK Brain Bank Criteria
- Fulfils criteria for functional constipation according to the Rome IV Criteria during in the preceding 6 months with frequency of bowel movements less than 3 times per week
You may not qualify if:
- Ingestion of probiotics in the preceding 4 weeks
- Use of antibiotics in the preceding 4 weeks
- History of gastrointestinal disorders or surgery
- Known or suspected allergy to probiotics
- Comorbidities that prevent reliable completion of study assessments
- Prior functional neurosurgery for PD or treatment with apomorphine infusion
- Recent initiation of dopaminergic medications in the preceding 3 months
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Study Sites (1)
University of Malaya
Kuala Lumpur, Kuala Lumpur, 59100, Malaysia
Related Publications (2)
Todd CL, Johnson EE, Stewart F, Wallace SA, Bryant A, Woodward S, Norton C. Conservative, physical and surgical interventions for managing faecal incontinence and constipation in adults with central neurological diseases. Cochrane Database Syst Rev. 2024 Oct 29;10(10):CD002115. doi: 10.1002/14651858.CD002115.pub6.
PMID: 39470206DERIVEDTan AH, Lim SY, Chong KK, A Manap MAA, Hor JW, Lim JL, Low SC, Chong CW, Mahadeva S, Lang AE. Probiotics for Constipation in Parkinson Disease: A Randomized Placebo-Controlled Study. Neurology. 2021 Feb 2;96(5):e772-e782. doi: 10.1212/WNL.0000000000010998. Epub 2020 Oct 12.
PMID: 33046607DERIVED
MeSH Terms
Conditions
Interventions
Condition Hierarchy (Ancestors)
Intervention Hierarchy (Ancestors)
Study Officials
- PRINCIPAL INVESTIGATOR
Ai Huey Tan, MD,FRCP
University of Malaya
Study Design
- Study Type
- interventional
- Phase
- not applicable
- Allocation
- RANDOMIZED
- Masking
- QUADRUPLE
- Who Masked
- PARTICIPANT, CARE PROVIDER, INVESTIGATOR, OUTCOMES ASSESSOR
- Masking Details
- Double blinded
- Purpose
- TREATMENT
- Intervention Model
- PARALLEL
- Sponsor Type
- OTHER
- Responsible Party
- SPONSOR
Study Record Dates
First Submitted
December 7, 2017
First Posted
December 19, 2017
Study Start
December 1, 2017
Primary Completion
January 31, 2019
Study Completion
January 31, 2019
Last Updated
October 30, 2019
Record last verified: 2019-10
Data Sharing
- IPD Sharing
- Will not share