ClinicalTrials.Veeva

Menu

Trial of Probiotics for Constipation in Parkinson's Disease

U

University of Malaya

Status

Completed

Conditions

Parkinson Disease

Treatments

Drug: Placebo Capsule
Drug: Probiotic Capsule

Study type

Interventional

Funder types

Other

Identifiers

NCT03377322
ProbioRCT

Details and patient eligibility

About

This is a double blinded randomised placebo controlled trial to evaluate the efficacy of probiotics in the treatment of constipation in Parkinson's disease.

Enrollment

72 patients

Sex

All

Ages

40 to 85 years old

Volunteers

No Healthy Volunteers

Inclusion criteria

  • 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

Exclusion criteria

  • 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

Trial design

Primary purpose

Treatment

Allocation

Randomized

Interventional model

Parallel Assignment

Masking

Quadruple Blind

72 participants in 2 patient groups, including a placebo group

Treatment
Active Comparator group
Description:
Probiotics capsules
Treatment:
Drug: Probiotic Capsule
Placebo
Placebo Comparator group
Description:
Placebo capsules containing maltodextrin
Treatment:
Drug: Placebo Capsule

Trial contacts and locations

1

Loading...

Data sourced from clinicaltrials.gov

Clinical trials

Find clinical trialsTrials by location
© Copyright 2026 Veeva Systems