Pancreatic Endotherapy for Refractory Chronic Pancreatitis (PERCePT)

September 4, 2025 updated by: Gregory Cote, Oregon Health and Science University
The purpose of this study is to evaluate whether endoscopic ultrasound (EUS) only versus EUS + endoscopic retrograde cholangiopancreatography (ERCP) with pancreatic endotherapy reduces pain in the treatment of chronic pancreatitis with pancreatic duct obstruction.

Study Overview

Status

Status

Indicates the current recruitment status or the expanded access status.
Completed

Conditions

Conditions

The disease, disorder, syndrome, illness, or injury that is being studied. On ClinicalTrials.gov, conditions may also include other health-related issues, such as lifespan, quality of life, and health risks.

Intervention / Treatment

Intervention / Treatment

A process or action that is the focus of a clinical study. Interventions include drugs, medical devices, procedures, vaccines, and other products that are either investigational or already available. Interventions can also include noninvasive approaches, such as education or modifying diet and exercise.

Detailed Description

This is a single center, pilot, sham-controlled clinical trial of ERCP with pancreatic endotherapy for pain secondary to chronic calcific pancreatitis with main pancreatic duct obstruction. Potential subjects will undergo a comprehensive baseline assessment including Quantitative Sensory Testing, to ensure enrollment criteria are met and baseline covariates are measured. Eligible subjects will complete a 14-day run-in period. If eligibility criteria persist, subjects will be randomized to diagnostic endoscopic ultrasound (EUS) + sham pancreatic endotherapy or diagnostic EUS + ERCP with pancreatic endotherapy as defined in the study protocol. Subjects will be followed by a blinded physician for the next 90 days, at which time the pilot trial outcomes will be measured. Regardless of outcomes, all subjects will be followed longitudinally for 12 months after randomization.

Study Type

Study Type

Describes the nature of a clinical study. Study types include interventional studies (also called clinical trials), observational studies (including patient registries), and expanded access.
Interventional

Enrollment (Actual)

Enrollment

The number of participants in a clinical study. The "anticipated" enrollment is the target number of participants that the researchers need for the study.
14

Phase

Phase

The stage of a clinical trial studying a drug or biological product, based on definitions developed by the U.S. Food and Drug Administration (FDA). The phase is based on the study's objective, the number of participants, and other characteristics. There are five phases: Early Phase 1 (formerly listed as Phase 0), Phase 1, Phase 2, Phase 3, and Phase 4. Not Applicable is used to describe trials without FDA-defined phases, including trials of devices or behavioral interventions.
  • Not Applicable

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Locations

  • United States
    • Oregon
      • Portland, Oregon, United States, 97035
        • Oregon Health & Science University
    • South Carolina
      • Charleston, South Carolina, United States, 29425
        • Medical University of South Carolina

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

Eligibility Criteria

The key requirements that people who want to participate in a clinical study must meet or the characteristics they must have. Eligibility criteria consist of both inclusion criteria (which are required for a person to participate in the study) and exclusion criteria (which prevent a person from participating). Types of eligibility criteria include whether a study accepts healthy volunteers, has age or age group requirements, or is limited by sex.

Ages Eligible for Study

18 years and older (Adult, Older Adult)

Accepts Healthy Volunteers

No

Description

Inclusion Criteria

  • Age ≥ 18 years
  • Main pancreatic duct obstruction, defined by the presence of one or both of the following features:
  • Main pancreatic duct calcification with upstream main duct dilation ≥6mm.
  • Main pancreatic duct stricture, defined by the presence of main pancreatic duct narrowing with upstream main duct dilation ≥6mm.
  • Baseline average abdominal pain score ≥4 during the run-in period, based on Ecological Momentary Assessment 11-point Numeric Rating Scale
  • Ability to provide written, informed consent

Exclusion Criteria

  • Symptoms attributable to a pancreatic pseudocyst or walled off necrosis
  • Clinical suspicion of pancreatobiliary malignancy*
  • Low probability of follow-up to complete study objectives
  • Pregnancy or incarceration
  • Medical comorbidities that contraindicate the performance of ERCP
  • Previous pancreatic endotherapy
  • Current Opioid Misuse Measure score ≥9
  • Does not have access to a mobile phone * Pancreatobiliary malignancy

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: Treatment
  • Allocation: Randomized
  • Interventional Model: Parallel Assignment
  • Masking: Double

Arms and Interventions

Participant Group / Arm

Participant Group / Arm

A group or subgroup of participants in a clinical trial that receives a specific intervention/treatment, or no intervention, according to the trial's protocol.
Intervention / Treatment

Intervention / Treatment

A process or action that is the focus of a clinical study. Interventions include drugs, medical devices, procedures, vaccines, and other products that are either investigational or already available. Interventions can also include noninvasive approaches, such as education or modifying diet and exercise.
Sham Comparator: EUS + SHAM
All subjects will undergo anesthesia administered sedation and endoscopic ultrasound (EUS). The endoscopist will assess the pancreas for parenchymal and ductal features of chronic pancreatitis and confirm the absence of exclusion criteria (such as the presence of an occult pancreatobiliary malignancy).
Procedure: EUS + SHAM
Endoscopic Ultrasound
Experimental: EUS + Pancreatic Endotherapy
If randomized to ERCP with pancreatic endotherapy, the endoscopist will proceed with this intervention immediately following the completion of EUS and treatment allocation (during the same anesthesia). Pancreatic endotherapy may include any or all of the following maneuvers: pancreatic endoscopic sphincterotomy, stricture dilation using a bougie or hydrostatic balloon catheter, pancreatic stone extraction with or without mechanical or electrohydraulic lithotripsy, extracorporeal shock wave lithotripsy, and stent placement. Overall technical success will be defined by the ability to insert at least one pancreatic stent across the dominant main pancreatic duct obstruction. Technical success for pancreatic stone treatment will be defined by the ability to remove all fluoroscopically visible main pancreatic duct stones.
Procedure: EUS + Pancreatic Endotherapy
Pancreatic endotherapy may include any or all of the following maneuvers: pancreatic endoscopic sphincterotomy, stricture dilation using a bougie or hydrostatic balloon catheter, pancreatic stone extraction with or without mechanical or electrohydraulic lithotripsy, extracorporeal shock wave lithotripsy, and stent placement.

What is the study measuring?

Primary Outcome Measures

Primary Outcome Measures

In a clinical study's protocol, the planned outcome measure that is the most important for evaluating the effect of an intervention/treatment. Most clinical studies have one primary outcome measure, but some have more than one.
Outcome Measure
Measure Description
Time Frame
Percent Change in Average Daily Pain Score on the Numeric Rating Scale
Time Frame: Day -14 to Day 90
The percent change in average daily pain score from the daily diaries during the 14-day period preceding the 90-day assessment, compared to the average daily pain reported during the 14-day run-in. The investigators employed the standardized 11-point Numeric Rating Scale (NRS) to capture average daily pain with the empirically-supported anchors of 0=No Pain and 10=Worst Pain Imaginable.
Day -14 to Day 90

Secondary Outcome Measures

Secondary Outcome Measures

In a clinical study's protocol, a planned outcome measure that is not as important as the primary outcome measure for evaluating the effect of an intervention but is still of interest. Most clinical studies have more than one secondary outcome measure.
Outcome Measure
Measure Description
Time Frame
Change from baseline in pain severity and functional impairment
Time Frame: Baseline to Day 90

At 90-days, change from baseline in functional impairment due to pain will be examined.

The instrument used is Brief Pain Inventory (BPI),

  • Measures pain at its worst, least, average, and at time of evaluation
  • Measures patient perception of effectiveness of current pain medications
  • Measures functional impairment due to pain
Baseline to Day 90
Quality of Life: Using the PROMIS 29 instrument
Time Frame: Baseline to Day 90
Using the PROMIS 29 instrument, quality of life will be assessed through this questionnaire evaluating anxiety, depression, fatigue, pain interference, physical function, sleep disturbance, ability to participate in social roles and activities, and a single pain intensity item.
Baseline to Day 90
Opioid Misuse
Time Frame: Baseline to Day 90
Using the instrument titled Current Opioid Misuse Measure (COMM), this will be evaluated by patient self-reported measures of risk for aberrant medication-related behavior in patients prescribed opioids for chronic pain.
Baseline to Day 90
Pain Catastrophizing
Time Frame: Baseline to Day 90

The instrument titled Pain Catastrophizing Scale (PCS) used to assess pain catastrophizing will do the following:

  • Measure of negative cognitive-set brought to bear during painful experiences
  • Predict functional impairment due to pain and pain-related depression
Baseline to Day 90
Mechanical pain threshold
Time Frame: Baseline to Day 90
Using Quantitative Sensory Testing, assess the mechanical pain threshold using the IITC Life Sciences Digital Anesthesiometer applied to the distal phalange of the digiti minimi of the left hand (increased at rate of 10grams/sec; pressure recorded in grams).
Baseline to Day 90
Pain tolerance: Quantitative Sensory Testing
Time Frame: Baseline to Day 90
Using Quantitative Sensory Testing, assess thermal pain tolerance using 5 trials of cutaneous heat stimuli via the thermode of the Medoc TSA-II Neurosensory Analyzer.
Baseline to Day 90
Pain wind up
Time Frame: Baseline to Day 90
Using Quantitative Sensory Testing, assess thermal wind-up pain (3 trials) with the thermode delivering 20 brief suprathreshold thermal pulses at the rate of 1 pulse per 1.5 secs thereby selectively stimulating C-fibers (during the 3 trials of 30sec of repeated heat stimulation, subjects will indicate their level of pain severity using a dynamic visual analogue scale).
Baseline to Day 90
Conditioned pain modulation
Time Frame: Baseline to Day 90
Using Quantitative Sensory Testing, assess conditioned pain modulation (3 trials) using mechanical pain thresholds assessed via the IITC Life Sciences Digital Anesthesiometer applied to the right trapezus (increased at rate of 10grams/sec; pressure recorded in grams) with and without simultaneous stimulation via the ATS thermode.
Baseline to Day 90

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Sponsor

Sponsor

The organization or person who initiates the study and who has authority and control over the study.
Oregon Health and Science University

Collaborators

Collaborators

An organization other than the sponsor that provides support for a clinical study. This support may include activities related to funding, design, implementation, data analysis, or reporting.
United States Department of Defense

Investigators

Investigators

A researcher involved in a clinical study. Related terms include site principal investigator, site sub-investigator, study chair, study director, and study principal investigator.
  • Principal Investigator: Gregory Cote, MD, MS, Oregon Health and Science 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)

Study Start

The actual date on which the first participant was enrolled in a clinical study. The "anticipated" study start date is the date that the researchers think will be the study start date.
October 9, 2020

Primary Completion (Actual)

Primary Completion

The date on which the last participant in a clinical study was examined or received an intervention to collect final data for the primary outcome measure. Whether the clinical study ended according to the protocol or was terminated does not affect this date. For clinical studies with more than one primary outcome measure with different completion dates, this term refers to the date on which data collection is completed for all the primary outcome measures. The "anticipated" primary completion date is the date that the researchers think will be the primary completion date for the study.
June 30, 2024

Study Completion (Actual)

Study Completion

The date on which the last participant in a clinical study was examined or received an intervention/treatment to collect final data for the primary outcome measures, secondary outcome measures, and adverse events (that is, the last participant's last visit). The "anticipated" study completion date is the date that the researchers think will be the study completion date.
June 30, 2024

Study Registration Dates

First Submitted

First Submitted

The date on which the study sponsor or investigator first submitted a study record to ClinicalTrials.gov. There is typically a delay of a few days between the first submitted date and the record's availability on ClinicalTrials.gov (the first posted date).
December 6, 2019

First Submitted That Met QC Criteria

First Submitted That Met QC Criteria

The date on which the study sponsor or investigator first submits a study record that is consistent with National Library of Medicine (NLM) quality control (QC) review criteria. The sponsor or investigator may need to revise and submit a study record one or more times before NLM's QC review criteria are met. It is the responsibility of the sponsor or investigator to ensure that the study record is consistent with the NLM QC review criteria.
January 16, 2020

First Posted (Actual)

First Posted

The date on which the study record was first available on ClinicalTrials.gov after National Library of Medicine (NLM) quality control (QC) review has concluded. There is typically a delay of a few days between the date the study sponsor or investigator submitted the study record and the first posted date.
January 18, 2020

Study Record Updates

Last Update Posted (Estimated)

Last Update Posted

The most recent date on which changes to a study record were made available on ClinicalTrials.gov. There may be a delay between when the changes were submitted to ClinicalTrials.gov by the study's sponsor or investigator (the last update submitted date) and the last update posted date.
September 24, 2025

Last Update Submitted That Met QC Criteria

Last Update Submitted That Met QC Criteria

The most recent date on which the study sponsor or investigator submitted changes to a study record that are consistent with National Library of Medicine (NLM) quality control (QC) review criteria. It is the responsibility of the sponsor or investigator to ensure that the study record is consistent with the NLM QC review criteria.
September 4, 2025

Last Verified

Last Verified

The most recent date on which the study sponsor or investigator confirmed the information about a clinical study on ClinicalTrials.gov as accurate and current. If a study with a recruitment status of recruiting; not yet recruiting; or active, not recruiting has not been confirmed within the past 2 years, the study's recruitment status is shown as unknown.
September 1, 2025

More Information

Terms related to this study

Keywords

Additional Relevant MeSH Terms

Other Study ID Numbers

Other Study ID Numbers

Identifiers or ID numbers other than the NCT number that are assigned to a clinical study by the study's sponsor, funders, or others. These numbers may include unique identifiers from other trial registries and National Institutes of Health grant numbers.
  • Pro00087299

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

No

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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