← Back to Search

Antibiotic

Microbiota Intervention for Parkinson's Disease (MICRO-PD Trial)

Phase 1 & 2
Waitlist Available
Led By Caroline Tanner, MD, PhD
Research Sponsored by University of California, San Francisco
Eligibility Criteria Checklist
Specific guidelines that determine who can or cannot participate in a clinical trial
Must have
Be older than 18 years old
Timeline
Screening 3 weeks
Treatment Varies
Follow Up two weeks

Summary

This trial aims to help people with Parkinson's disease by using antibiotics to change their gut bacteria. This could make their medications work better and reduce symptoms. Researchers will study how these changes affect patients' symptoms and overall health.

Eligible Conditions
  • Parkinson's Disease
  • Dementia

Timeline

Screening ~ 3 weeks
Treatment ~ Varies
Follow Up ~two weeks
This trial's timeline: 3 weeks for screening, Varies for treatment, and two weeks for reporting.

Treatment Details

Study Objectives

Study objectives can provide a clearer picture of what you can expect from a treatment.
Primary study objectives
MDS-UPDRS Part III
Percent of OFF time according to home motor diaries

Side effects data

From 2014 Phase 4 trial • 222 Patients • NCT01842581
19%
Hepatic encephalopathy
17%
Oedema peripheral
16%
Constipation
14%
Nausea
14%
Fatigue
12%
Insomnia
11%
Urinary tract infection
10%
Pruritus generalised
8%
Muscle spasms
7%
Abdominal pain
7%
Decreased appetite
6%
Ascites
6%
Dyspnoea
6%
Headache
5%
Cough
5%
Renal failure acute
5%
Vomiting
5%
Asthenia
5%
Anaemia
5%
Anxiety
4%
Jaundice
4%
Diarrhoea
3%
Abdominal distension
3%
Cellulitis
3%
Depression
2%
Hyperkalaemia
2%
Bronchitis
2%
Peritonitis bacterial
2%
Liver transplant
1%
Gastrointestinal haemorrhage
1%
Haematemesis
1%
Non-cardiac chest pain
1%
Pneumonia
1%
Sepsis
1%
Fluid overload
1%
Hyperglycaemia
1%
Acute respiratory failure
1%
Herpes zoster
1%
Cerebrovascular accident
1%
Thrombocytopenia
1%
Pneumococcal bacteraemia
1%
Septic shock
1%
Craniocerebral injury
1%
Hepatic failure
1%
Hepatitis
1%
Hepatorenal syndrome
1%
Toxic encephalopathy
1%
Subarachnoid haemorrhage
1%
Anxiety disorder
1%
Suicidal ideation
1%
Calculus ureteric
1%
Oliguria
1%
Renal failure
1%
Pleural effusion
1%
Flatulence
1%
Cardiac failure congestive
1%
Haematochezia
1%
Upper gastrointestinal haemorrhage
1%
Chest pain
1%
Systemic inflammatory response syndrome
1%
Chronic hepatic failure
1%
Subdural haematoma
1%
Dehydration
1%
Alcoholic seizure
1%
Hypovolaemic shock
100%
80%
60%
40%
20%
0%
Study treatment Arm
Rifaximin 550 mg BID
Rifaximin 550 mg BID + Lactulose

Trial Design

2Treatment groups
Experimental Treatment
Placebo Group
Group I: InterventionExperimental Treatment1 Intervention
Rifaximin
Group II: PlaceboPlacebo Group1 Intervention
Matching placebo
Treatment
First Studied
Drug Approval Stage
How many patients have taken this drug
Rifaximin
2005
Completed Phase 4
~3120

Find a Location

Who is running the clinical trial?

University of California, San FranciscoLead Sponsor
2,591 Previous Clinical Trials
14,901,517 Total Patients Enrolled
Nova Southeastern UniversityOTHER
101 Previous Clinical Trials
11,970 Total Patients Enrolled
Gateway Institute for Brain ResearchIndustry Sponsor
1 Previous Clinical Trials
56 Total Patients Enrolled
Caroline Tanner, MD, PhDPrincipal InvestigatorUniversity of California, San Francisco
2 Previous Clinical Trials
504,500 Total Patients Enrolled

Media Library

Rifaximin (Antibiotic) Clinical Trial Eligibility Overview. Trial Name: NCT03575195 — Phase 1 & 2
Parkinson's Disease Research Study Groups: Placebo, Intervention
Parkinson's Disease Clinical Trial 2023: Rifaximin Highlights & Side Effects. Trial Name: NCT03575195 — Phase 1 & 2
Rifaximin (Antibiotic) 2023 Treatment Timeline for Medical Study. Trial Name: NCT03575195 — Phase 1 & 2
~6 spots leftby Jun 2025
Unbiased ResultsWe believe in providing patients with all the options.
Your Data Stays Your DataWe only share your information with the clinical trials you're trying to access.
Verified Trials OnlyAll of our trials are run by licensed doctors, researchers, and healthcare companies.
Back to top