Trial Outcomes & Findings for Primary Sclerosing Cholangitis With Oral Vancomycin by the Study of Its Antimicrobial and Immunomodulating Effects (NCT NCT01802073)

NCT ID: NCT01802073

Last Updated: 2018-09-21

Results Overview

Clinically significant improvement was determined by investigator assessment per participant based on their medical history and disease stage. Elevated ALT was any value greater than the upper limit of the standard reference range used by patient's laboratory.

Recruitment status

COMPLETED

Study phase

PHASE3

Target enrollment

34 participants

Primary outcome timeframe

Baseline; Month 3

Results posted on

2018-09-21

Participant Flow

Two participants in the adult cohort completed the study but were not analyzed for outcomes (1 post-liver transplant patient; 1 completed the study but followed a diet that could influence results analysis). Two adult participants who consented but withdrew prior to treatment were not analyzed for outcomes.

Participant milestones

Participant milestones
Measure
Oral Vancomycin-Children
For children who weight \< or = 30 kg, the vancomycin dose will be 50 mg/kg/day given orally 3 times per day for the 1st month and continue with the same dose for subsequent months if the clinical laboratory studies improved and are normal. If the laboratory studies are not normal the dose will be increased to 75 mg/kg/day given orally 3 times per day for the 2nd month and 100mg/kg/day given orally 3 times per day the 3rd month. If the laboratory studies do not improve by the end of the 3rd month since starting the vancomycin, the vancomycin will be stopped and the child will not continue the study. Oral Vancomycin
Oral Vancomycin-Adults
For adults and children who weigh \>30 kg, the vancomycin dose will be 500 mg given orally 3 times per day for the 1st month and continue with this dose if the clinical laboratory studies improve and are normal. If the laboratory studies are not normal the dose will be increased to 750 mg 3 times per day for the 2nd month and 1000 mg 3 times per day the 3rd month. Oral Vancomycin
Overall Study
STARTED
14
20
Overall Study
COMPLETED
9
9
Overall Study
NOT COMPLETED
5
11

Reasons for withdrawal

Reasons for withdrawal
Measure
Oral Vancomycin-Children
For children who weight \< or = 30 kg, the vancomycin dose will be 50 mg/kg/day given orally 3 times per day for the 1st month and continue with the same dose for subsequent months if the clinical laboratory studies improved and are normal. If the laboratory studies are not normal the dose will be increased to 75 mg/kg/day given orally 3 times per day for the 2nd month and 100mg/kg/day given orally 3 times per day the 3rd month. If the laboratory studies do not improve by the end of the 3rd month since starting the vancomycin, the vancomycin will be stopped and the child will not continue the study. Oral Vancomycin
Oral Vancomycin-Adults
For adults and children who weigh \>30 kg, the vancomycin dose will be 500 mg given orally 3 times per day for the 1st month and continue with this dose if the clinical laboratory studies improve and are normal. If the laboratory studies are not normal the dose will be increased to 750 mg 3 times per day for the 2nd month and 1000 mg 3 times per day the 3rd month. Oral Vancomycin
Overall Study
Lost to Follow-up
0
1
Overall Study
Non-compliant
4
2
Overall Study
Withdrawal by Subject
1
1
Overall Study
Physician Decision
0
7

Baseline Characteristics

Primary Sclerosing Cholangitis With Oral Vancomycin by the Study of Its Antimicrobial and Immunomodulating Effects

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Oral Vancomycin-Children
n=14 Participants
For children who weight \< or = 30 kg, the vancomycin dose will be 50 mg/kg/day given orally 3 times per day for the 1st month and continue with the same dose for subsequent months if the clinical laboratory studies improved and are normal. If the laboratory studies are not normal the dose will be increased to 75 mg/kg/day given orally 3 times per day for the 2nd month and 100mg/kg/day given orally 3 times per day the 3rd month. If the laboratory studies do not improve by the end of the 3rd month since starting the vancomycin, the vancomycin will be stopped and the child will not continue the study. Oral Vancomycin
Oral Vancomycin-Adults
n=20 Participants
For adults and children who weigh \>30 kg, the vancomycin dose will be 500 mg given orally 3 times per day for the 1st month and continue with this dose if the clinical laboratory studies improve and are normal. If the laboratory studies are not normal the dose will be increased to 750 mg 3 times per day for the 2nd month and 1000 mg 3 times per day the 3rd month. Oral Vancomycin
Total
n=34 Participants
Total of all reporting groups
Age, Customized
0-6 years
2 Participants
n=5 Participants
0 Participants
n=7 Participants
2 Participants
n=5 Participants
Age, Customized
7-12 years
5 Participants
n=5 Participants
0 Participants
n=7 Participants
5 Participants
n=5 Participants
Age, Customized
13-17 years
6 Participants
n=5 Participants
0 Participants
n=7 Participants
6 Participants
n=5 Participants
Age, Customized
18-64 years
1 Participants
n=5 Participants
20 Participants
n=7 Participants
21 Participants
n=5 Participants
Sex: Female, Male
Female
6 Participants
n=5 Participants
2 Participants
n=7 Participants
8 Participants
n=5 Participants
Sex: Female, Male
Male
8 Participants
n=5 Participants
18 Participants
n=7 Participants
26 Participants
n=5 Participants

PRIMARY outcome

Timeframe: Baseline; Month 3

Population: Participants with ALT elevated at baseline are included in the analysis.

Clinically significant improvement was determined by investigator assessment per participant based on their medical history and disease stage. Elevated ALT was any value greater than the upper limit of the standard reference range used by patient's laboratory.

Outcome measures

Outcome measures
Measure
Oral Vancomycin-Children
n=10 Participants
For children who weight \< or = 30 kg, the vancomycin dose will be 50 mg/kg/day given orally 3 times per day for the 1st month and continue with the same dose for subsequent months if the clinical laboratory studies improved and are normal. If the laboratory studies are not normal the dose will be increased to 75 mg/kg/day given orally 3 times per day for the 2nd month and 100mg/kg/day given orally 3 times per day the 3rd month. If the laboratory studies do not improve by the end of the 3rd month since starting the vancomycin, the vancomycin will be stopped and the child will not continue the study. Oral Vancomycin
Oral Vancomycin-Adults
n=9 Participants
For adults and children who weigh \>30 kg, the vancomycin dose will be 500 mg given orally 3 times per day for the 1st month and continue with this dose if the clinical laboratory studies improve and are normal. If the laboratory studies are not normal the dose will be increased to 750 mg 3 times per day for the 2nd month and 1000 mg 3 times per day the 3rd month. Oral Vancomycin
Count of Participants With Elevated Alanine Aminotransferase (ALT) at Baseline and With Clinically Significant Improvement at Month 3
10 Participants
6 Participants

PRIMARY outcome

Timeframe: Baseline; Month 3

Population: Participants with GGT elevated at baseline are included in the analysis.

Clinically significant improvement was determined by investigator assessment per participant based on their medical history and disease stage. Elevated GGT was any value greater than the upper limit of the standard reference range used by patient's laboratory.

Outcome measures

Outcome measures
Measure
Oral Vancomycin-Children
n=8 Participants
For children who weight \< or = 30 kg, the vancomycin dose will be 50 mg/kg/day given orally 3 times per day for the 1st month and continue with the same dose for subsequent months if the clinical laboratory studies improved and are normal. If the laboratory studies are not normal the dose will be increased to 75 mg/kg/day given orally 3 times per day for the 2nd month and 100mg/kg/day given orally 3 times per day the 3rd month. If the laboratory studies do not improve by the end of the 3rd month since starting the vancomycin, the vancomycin will be stopped and the child will not continue the study. Oral Vancomycin
Oral Vancomycin-Adults
n=9 Participants
For adults and children who weigh \>30 kg, the vancomycin dose will be 500 mg given orally 3 times per day for the 1st month and continue with this dose if the clinical laboratory studies improve and are normal. If the laboratory studies are not normal the dose will be increased to 750 mg 3 times per day for the 2nd month and 1000 mg 3 times per day the 3rd month. Oral Vancomycin
Count of Participants With Elevated Gamma-glutamyltransferase (GGT) at Baseline and With Clinically Significant Improvement at Month 3
8 Participants
6 Participants

PRIMARY outcome

Timeframe: Baseline; Month 3

Population: Participants with ALT and/or GGT elevated at baseline are included in the analysis.

Clinically significant improvement was determined by investigator assessment per participant based on their medical history and disease stage. Elevated ALT (and GGT) was any value greater than the upper limit of the standard reference range used by patient's laboratory.

Outcome measures

Outcome measures
Measure
Oral Vancomycin-Children
n=10 Participants
For children who weight \< or = 30 kg, the vancomycin dose will be 50 mg/kg/day given orally 3 times per day for the 1st month and continue with the same dose for subsequent months if the clinical laboratory studies improved and are normal. If the laboratory studies are not normal the dose will be increased to 75 mg/kg/day given orally 3 times per day for the 2nd month and 100mg/kg/day given orally 3 times per day the 3rd month. If the laboratory studies do not improve by the end of the 3rd month since starting the vancomycin, the vancomycin will be stopped and the child will not continue the study. Oral Vancomycin
Oral Vancomycin-Adults
n=10 Participants
For adults and children who weigh \>30 kg, the vancomycin dose will be 500 mg given orally 3 times per day for the 1st month and continue with this dose if the clinical laboratory studies improve and are normal. If the laboratory studies are not normal the dose will be increased to 750 mg 3 times per day for the 2nd month and 1000 mg 3 times per day the 3rd month. Oral Vancomycin
Count of Participants With Elevated ALT and/or GGT at Baseline and With Clinically Significant Improvement at Month 3
10 Participants
8 Participants

PRIMARY outcome

Timeframe: Baseline; Year 1

Population: Participants with abnormal MRCP at baseline are included in the analysis.

Clinically significant improvement was determined by investigator assessment per participant based on their medical history and disease stage. MRCP imaging was abnormal if it included biliary beading, biliary strictures, dilated bile duct, and/or liver fibrosis.

Outcome measures

Outcome measures
Measure
Oral Vancomycin-Children
n=8 Participants
For children who weight \< or = 30 kg, the vancomycin dose will be 50 mg/kg/day given orally 3 times per day for the 1st month and continue with the same dose for subsequent months if the clinical laboratory studies improved and are normal. If the laboratory studies are not normal the dose will be increased to 75 mg/kg/day given orally 3 times per day for the 2nd month and 100mg/kg/day given orally 3 times per day the 3rd month. If the laboratory studies do not improve by the end of the 3rd month since starting the vancomycin, the vancomycin will be stopped and the child will not continue the study. Oral Vancomycin
Oral Vancomycin-Adults
n=8 Participants
For adults and children who weigh \>30 kg, the vancomycin dose will be 500 mg given orally 3 times per day for the 1st month and continue with this dose if the clinical laboratory studies improve and are normal. If the laboratory studies are not normal the dose will be increased to 750 mg 3 times per day for the 2nd month and 1000 mg 3 times per day the 3rd month. Oral Vancomycin
Count of Participants With Abnormal Magnetic Resonance Cholangiopancreatography (MRCP) Imaging at Baseline and With Clinically Significant Improvement at Year 1
6 Participants
4 Participants

PRIMARY outcome

Timeframe: Baseline; Year 1

Population: Participants with abnormal liver biopsy at baseline and who had a post-treatment liver biopsy are included in the analysis.

Clinically significant improvement was determined by investigator assessment per participant based on their medical history and disease stage. Liver pathology was considered abnormal if the biopsy was S1 or greater on the liver fibrosis staging scale (S0 no fibrosis, S1 mild fibrosis, S2 moderate fibrosis, S3 sever fibrosis, S4 cirrhosis).

Outcome measures

Outcome measures
Measure
Oral Vancomycin-Children
n=3 Participants
For children who weight \< or = 30 kg, the vancomycin dose will be 50 mg/kg/day given orally 3 times per day for the 1st month and continue with the same dose for subsequent months if the clinical laboratory studies improved and are normal. If the laboratory studies are not normal the dose will be increased to 75 mg/kg/day given orally 3 times per day for the 2nd month and 100mg/kg/day given orally 3 times per day the 3rd month. If the laboratory studies do not improve by the end of the 3rd month since starting the vancomycin, the vancomycin will be stopped and the child will not continue the study. Oral Vancomycin
Oral Vancomycin-Adults
For adults and children who weigh \>30 kg, the vancomycin dose will be 500 mg given orally 3 times per day for the 1st month and continue with this dose if the clinical laboratory studies improve and are normal. If the laboratory studies are not normal the dose will be increased to 750 mg 3 times per day for the 2nd month and 1000 mg 3 times per day the 3rd month. Oral Vancomycin
Count of Participants With Abnormal Liver Biopsies at Baseline and With Clinically Significant Improvement at Year 1
3 Participants
0 Participants

PRIMARY outcome

Timeframe: Baseline; Year 1

Population: Participants with abnormal MRCP and/or liver biopsy at baseline are included in the analysis.

Clinically significant improvement was determined by investigator assessment per participant based on their medical history and disease stage. MRCP imaging was abnormal if it included biliary beading, biliary strictures, dilated bile duct, and/or liver fibrosis. Liver pathology was considered abnormal if the biopsy was S1 or greater on the liver fibrosis staging scale (S0 no fibrosis, S1 mild fibrosis, S2 moderate fibrosis, S3 sever fibrosis, S4 cirrhosis).

Outcome measures

Outcome measures
Measure
Oral Vancomycin-Children
n=10 Participants
For children who weight \< or = 30 kg, the vancomycin dose will be 50 mg/kg/day given orally 3 times per day for the 1st month and continue with the same dose for subsequent months if the clinical laboratory studies improved and are normal. If the laboratory studies are not normal the dose will be increased to 75 mg/kg/day given orally 3 times per day for the 2nd month and 100mg/kg/day given orally 3 times per day the 3rd month. If the laboratory studies do not improve by the end of the 3rd month since starting the vancomycin, the vancomycin will be stopped and the child will not continue the study. Oral Vancomycin
Oral Vancomycin-Adults
n=9 Participants
For adults and children who weigh \>30 kg, the vancomycin dose will be 500 mg given orally 3 times per day for the 1st month and continue with this dose if the clinical laboratory studies improve and are normal. If the laboratory studies are not normal the dose will be increased to 750 mg 3 times per day for the 2nd month and 1000 mg 3 times per day the 3rd month. Oral Vancomycin
Count of Participants With Abnormal MRCP and/or Liver Biopsy at Baseline and With Clinically Significant Improvement at Year 1
10 Participants
4 Participants

Adverse Events

Oral Vancomycin-Children

Serious events: 1 serious events
Other events: 0 other events
Deaths: 0 deaths

Oral Vancomycin-Adults

Serious events: 0 serious events
Other events: 0 other events
Deaths: 0 deaths

Serious adverse events

Serious adverse events
Measure
Oral Vancomycin-Children
n=14 participants at risk
For children who weight \< or = 30 kg, the vancomycin dose will be 50 mg/kg/day given orally 3 times per day for the 1st month and continue with the same dose for subsequent months if the clinical laboratory studies improved and are normal. If the laboratory studies are not normal the dose will be increased to 75 mg/kg/day given orally 3 times per day for the 2nd month and 100mg/kg/day given orally 3 times per day the 3rd month. If the laboratory studies do not improve by the end of the 3rd month since starting the vancomycin, the vancomycin will be stopped and the child will not continue the study. Oral Vancomycin
Oral Vancomycin-Adults
n=20 participants at risk
For adults and children who weigh \>30 kg, the vancomycin dose will be 500 mg given orally 3 times per day for the 1st month and continue with this dose if the clinical laboratory studies improve and are normal. If the laboratory studies are not normal the dose will be increased to 750 mg 3 times per day for the 2nd month and 1000 mg 3 times per day the 3rd month. Oral Vancomycin
Hepatobiliary disorders
Biliary stricture requiring stent
7.1%
1/14 • Up to 2 years
0.00%
0/20 • Up to 2 years
Hepatobiliary disorders
Progression of PSC
7.1%
1/14 • Up to 2 years
0.00%
0/20 • Up to 2 years

Other adverse events

Adverse event data not reported

Additional Information

Dr. Kenneth Cox

Stanford University

Phone: (650) 723-5070

Results disclosure agreements

  • Principal investigator is a sponsor employee
  • Publication restrictions are in place