- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT06230120
Spinal Cord Stimulation for the Treatment of Pain in Chronic Pancreatitis
A Sham-Controlled, Randomized Trial of Spinal Cord Stimulation for the Treatment of Pain in Chronic Pancreatitis
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
Chronic pancreatitis (CP) is a condition causing considerable morbidity, with nearly 0.5 million new cases emerging in Europe every year. It is characterized by a fibro-inflammatory process that progressively damages the pancreas. As the disease advances, most patients experience exocrine pancreatic insufficiency and diabetes, but the most debilitating aspect is severe abdominal pain, which affects about 70% of patients. The pain's origins in CP are complex, typically associated with pancreatic inflammation, ductal obstruction, damage to pancreatic nerves due to inflammation and fibrosis, and resulting neuropathy that triggers sensitization in the pain pathways. This may lead to self-perpetuating pain independent of its initial cause.
Current CP pain management involves conventional analgesics, neuromodulators, and specific endoscopic or surgical interventions for selected cases. However, a substantial number of patients still struggle with inadequate pain relief despite these treatments, necessitating innovative approaches to address CP-associated pain effectively.
Spinal cord stimulation (SCS) is a reversible invasive technique that involves stimulating spinal cord neurons and axons using low-voltage electrical current through leads placed in the epidural space behind the spinal cord dorsal columns. The mechanisms through which neurostimulation may alleviate pain and induce neuroplasticity are intricate and impact multiple neuronal and pain pathways. SCS has shown efficacy in managing neuropathic pain. However, there is a lack of sham-controlled research investigating SCS's effect on visceral pain conditions, including CP.
Hypothesizing that SCS, when compared to sham stimulation, can offer clinically significant pain relief and enhance physical functioning and quality of life in CP patients, an investigator-led, randomized, double-blinded, sham-controlled, cross-over study is initiated.
Study Type
Enrollment (Actual)
Phase
- Phase 2
Contacts and Locations
Study Locations
-
-
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Aalborg, Denmark, 9000
- Department of Gastroenterology, Aalborg University Hospital
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-
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
- Adult
- Older Adult
Accepts Healthy Volunteers
Description
Inclusion Criteria:
- Chronic pancreatitis according to the M-ANNHEIM criteria
- Chronic abdominal pain (pain 3=3days per week in at least 3 months)
- Pain insuficiently treated with patients ussual analgesic treatment
- Patients with signs of obstruction of the pancreatic duct due to a stricture or stone have to undergo endoscopic or surgical decompression prior to enrolment
Exclusion Criteria:
- Patients suffering from painful conditions other than chronic pancreatitis that made them unable to distinguish the pain associated with chronic pancreatitis
- Patients with ongoing alcohol abuse and illegal drug dependencies
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: Randomized
- Interventional Model: Crossover Assignment
- Masking: Quadruple
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Experimental: Spinal Cord Stimulation
A stimulation electrode is placed in the epidural space between the T4-T7 spinal levels and connected to an external electrical pulse generator, which is used for stimulation.
The stimulus intensity is initially increased in a ramp-like fashion using high-frequency stimulation at 1000 Hz, with pulse widths of 90 microseconds and intensities increasing from 2 to 14 mA to establish the sensation threshold.
After establishing the sensation threshold, the 75 % subthreshold of sensation is used as the stimulation intensity during the active stimulation period.
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Stimulation electrode tip (Vectris™ SureScan MRI percutaneous lead, Medtronic Inc, Minneapolis, US) External electrical pulse generator (Wireless External Neurostimulator System (WENS), Medtronic) |
Sham Comparator: Sham
For sham treatment, a similar procedure for establishing the sensation threshold is used, and stimulation at the 75 % subthreshold intensity is initiated, but the stimulation device is turned off 30 seconds after the sensation subthreshold is established.
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Stimulation electrode tip (Vectris™ SureScan MRI percutaneous lead, Medtronic Inc, Minneapolis, US) with external stimulator turned off
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What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Pain relief
Time Frame: At baseline and days 7-10 in each stimulation period
|
The difference in pain intensity scores between active and sham stimulations measured using a patient pain diary based on a numeric rating scale where a score of "0" indicated no pain and a score of "10" indicated worst pain imaginable.
Pain scores are registered daily for one week prior to intervention and during the two periods of active and sham SCS stimulations.
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At baseline and days 7-10 in each stimulation period
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Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Patient Global Impression of Change (PGIC)
Time Frame: Immediately after the intervention
|
The Patient Global Impression of Change assessed after each stimulation period
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Immediately after the intervention
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The modified Brief Pain Inventory short-form (mBPI-sf)
Time Frame: At baseline an immediately after the intervention
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Differences in the pain and functioning composite scores of the modified Brief Pain Inventory short-form between stimulation period (SCS vs sham)
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At baseline an immediately after the intervention
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Comprehensive Pain Assessment Tool short-form (COMPAT-sf)
Time Frame: At baseline an immediately after the intervention
|
Differences in the Comprehensive Pain Assessment Tool short-form (COMPAT-sf) total score and subscroes between stimulation periods (SCS vs sham)
|
At baseline an immediately after the intervention
|
Quality of life using SF 36 (short form 36 health survey)
Time Frame: At baseline an immediately after the intervention
|
Differences in the SF 36 (short form 36 health survey) total score and subscores between stimulation periods (SCS vs sham)
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At baseline an immediately after the intervention
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Symptoms of depression and anxiety as documented by the Hospital Anxiety and Depression Scale (HADS)
Time Frame: At baseline an immediately after the intervention
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Differences in the depression and anxiety scores of Symptoms of depression and anxiety as documented by the Hospital Anxiety and Depression Scale (HADS) between stimulation periods (SCS vs sham)
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At baseline an immediately after the intervention
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Other Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Quantitative sensory testing: Pressure algometry
Time Frame: At baseline an immediately after the intervention
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Pain detection and tolerance thresholds (kPa)
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At baseline an immediately after the intervention
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Quantitative sensory testing: Repetitive pinprick stimulation
Time Frame: At baseline an immediately after the intervention
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Difference in pain scores (VAS) between 1st and 10th stimulus
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At baseline an immediately after the intervention
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Quantitative sensory testing: Cold pressor test
Time Frame: At baseline an immediately after the intervention
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Cold pressor endurance time (seconds)
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At baseline an immediately after the intervention
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Quantitative sensory testing: Conditioned pain modulation
Time Frame: At baseline an immediately after the intervention
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Relative change in pressure tolerance threshold before and after cold pressor test (%)
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At baseline an immediately after the intervention
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Collaborators and Investigators
Sponsor
Investigators
- Principal Investigator: Helga A Gulisano, MD, Aalborg University Hospital
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Actual)
Study Completion (Actual)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Actual)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- N-20200077
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
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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