- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT05070351
Deprescribing Proton Pump Inhibitors to Reduce Post-TIPS Hepatic Encephalopathy
March 5, 2024 updated by: Duke University
A Randomized Open-label Trial of Deprescribing Proton Pump Inhibitors to Reduce the Risk of Hepatic Encephalopathy After Transjugular Intrahepatic Portosystemic Shunt Creation
A total of 40 patients taking proton pump inhibitors (PPIs) who undergo transjugular intrahepatic portosystemic shunt (TIPS) creation as part of routine clinical care will be randomized in 1:1 fashion to either continue or discontinue their PPIs to determine whether these commonly used gastric acid suppressing agents increase risk of post-TIPS hepatic encephalopathy (HE).
Patients will be assessed for symptoms of minimal HE (MHE), using the established psychometric hepatic encephalopathy score (PHES) battery of tests.
MHE assessment will be conducted at two timepoints: at baseline prior to randomization and TIPS creation and approximately 4 weeks after randomization and TIPS creation.
Stool samples will also be collected at both timepoints to allow characterization of the gastrointestinal (GI) tract microbiome using 16S rRNA sequencing.
The pre to post-TIPS change in PHES scores will be compared between patients randomized to continue versus discontinue their PPIs.
Quality of life (QOL) will also be assessed.
Changes in the GI tract microbiome will be analyzed to determine whether this represents a potential biological mechanism linking PPI use with post-TIPS HE.
Study Overview
Status
Recruiting
Conditions
Intervention / Treatment
Study Type
Interventional
Enrollment (Estimated)
40
Phase
- Phase 2
- Phase 1
Contacts and Locations
This section provides the contact details for those conducting the study, and information on where this study is being conducted.
Study Contact
- Name: James Ronald, MD PhD
- Phone Number: 919-684-7299
- Email: james.ronald@duke.edu
Study Locations
-
-
North Carolina
-
Durham, North Carolina, United States, 27710
- Recruiting
- Duke University Hospital
-
Contact:
- Clinical Research Coordinator
- Phone Number: 919-684-7810
- Email: latonia.strader@duke.edu
-
-
Participation Criteria
Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.
Eligibility Criteria
Ages Eligible for Study
18 years and older (Adult, Older Adult)
Accepts Healthy Volunteers
No
Description
Inclusion Criteria:
- Undergoing TIPS creation as part of routine clinical care
- On PPIs therapy (at least 20 mg omeprazole equivalent daily)
- Provision of signed and dated informed consent form by participant or legal representative
- Stated willingness to comply with all study procedures and availability for the duration of the study
- Male or female, age greater or equal to 18
Exclusion Criteria:
- Grade IV esophagitis or gastric or duodenal ulcer
- Recent endoscopic esophageal variceal band ligation necessitating PPI therapy for prevention of banding ulcer
- Zollinger-Ellison syndrome
- Active Helicobacter pylori infection
- Pregnancy
Study Plan
This section provides details of the study plan, including how the study is designed and what the study is measuring.
How is the study designed?
Design Details
- Primary Purpose: Prevention
- Allocation: Randomized
- Interventional Model: Parallel Assignment
- Masking: Single
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Experimental: PPI deprescribing arm
Patients taking a PPI (at least 20 mg omeprazole equivalent daily) will be instructed to stop taking their PPI.
|
Patients currently on a proton pump inhibitor (PPI) undergoing transjugular intrahepatic portosystemic shunt (TIPS) creation as part of routine clinical care will be randomized to receive instructions to stop taking their PPI.
|
No Intervention: PPI continuation arm
Patients will be instructed to continue taking their PPI (at least 20 mg omeprazole equivalent daily) as usual.
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Minimal hepatic encephalopathy
Time Frame: Approximately 6-8 weeks
|
Minimal hepatic encephalopathy, as assessed by psychometric hepatic encephalopathy score
|
Approximately 6-8 weeks
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Per-protocol evaluation of minimal hepatic encephalopathy
Time Frame: Approximately 6-8 weeks
|
Minimal hepatic encephalopathy, as assessed by psychometric hepatic encephalopathy score, based on actual reported PPI use
|
Approximately 6-8 weeks
|
Chronic liver disease specific quality of life
Time Frame: Approximately 6-8 weeks
|
Chronic liver disease (CLDQ) specific QOL assessment
|
Approximately 6-8 weeks
|
Gastroesophageal reflux specific quality of life
Time Frame: Approximately 6-8 weeks
|
Gastroesophageal reflux (QOLRAD) specific QOL assessment
|
Approximately 6-8 weeks
|
Overt hepatic encephalopathy
Time Frame: Approximately 6-8 weeks
|
Episodes of overt hepatic encephalopathy (defined as West-Haven grade 2 or greater)
|
Approximately 6-8 weeks
|
On-demand requirement for acid suppression therapy
Time Frame: Approximately 6-8 weeks
|
Proportion of patients in the PPI discontinuation arm needing on-demand H2 blockers or PPIs for gastroesophageal reflux symptoms
|
Approximately 6-8 weeks
|
Adverse events
Time Frame: Approximately 6-8 weeks
|
Adverse events in the PPI continuation versus discontinuation arms
|
Approximately 6-8 weeks
|
Other Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Change in gastrointestinal tract microbiome
Time Frame: Approximately 6-8 weeks
|
Pre-TIPS to post-TIPS change in stool taxon abundances as measured by 16S rRNA sequencing
|
Approximately 6-8 weeks
|
Collaborators and Investigators
This is where you will find people and organizations involved with this study.
Sponsor
Investigators
- Principal Investigator: James Ronald, MD PhD, Duke University
Study record dates
These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.
Study Major Dates
Study Start (Actual)
January 3, 2022
Primary Completion (Estimated)
October 1, 2028
Study Completion (Estimated)
October 1, 2028
Study Registration Dates
First Submitted
September 27, 2021
First Submitted That Met QC Criteria
September 27, 2021
First Posted (Actual)
October 7, 2021
Study Record Updates
Last Update Posted (Estimated)
March 6, 2024
Last Update Submitted That Met QC Criteria
March 5, 2024
Last Verified
March 1, 2024
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- Pro00108517
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
NO
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Yes
Studies a U.S. FDA-regulated device product
No
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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