- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT06121466
Effect of Abdominal Wall Injections on Abdominal Pain
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
Study Type
Enrollment (Estimated)
Phase
- Phase 4
Contacts and Locations
Study Locations
-
-
Oregon
-
Portland, Oregon, United States, 97239
- OHSU
-
-
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
- Adult
- Older Adult
Accepts Healthy Volunteers
Description
Inclusion Criteria:
- Localized abdominal wall pain
- Average daily pain (7-day recall) ≥ 3 on a scale of 0-10
- Suspected abdominal wall etiology for abdominal pain
- Positive Carnett's sign or pain near an incisional site
- 18 years of age or older
Exclusion Criteria:
- Suspected visceral etiology for the abdominal pain
- Severe allergy to lidocaine
- Unwillingness or inability to provide informed consent
- Low probability of follow-up
- Abdominal wall hernia noted at the point of pain
- History of trigger point injections for abdominal pain
- Bleeding disorder
- Pregnancy, incarceration or decisionally impaired
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: N/A
- Interventional Model: Single Group Assignment
- Masking: None (Open Label)
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Experimental: Abdominal wall injections for abdominal wall pain
Patients with abdominal pain who are suspected of having abdominal wall pain.
|
Injections will be administered for patient who are identified as having abdominal wall pain.
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
1) To measure the change in abdominal wall pain 1-week, 1-month and 3-months following abdominal wall injections, with improvement defined as a 50% reduction in baseline pain score measured using an 11-point numeric scale.
Time Frame: 12 weeks
|
Improvement is defined as a 50% reduction in baseline pain score measured using an 11-point numeric scale where 0 is no pain and 10 is the worst pain the patient has every felt.
|
12 weeks
|
2) To determine patient characteristics, such as pain catastrophizing, associated with a response to abdominal wall injection
Time Frame: 12 weeks
|
This will be measured by the following: Pain Catastrophizing Scale (PCS): Each question is rated on a scale of 0 to 4, where 0 is no catastrophizing, and 4 is significant catastrophizing. |
12 weeks
|
2) To determine patient characteristics, within seven health domains, associated with a response to abdominal wall injection
Time Frame: 12 weeks
|
This will be measured by the following: Patient-Reported Outcomes Measurement Information System-29 Scale: Assessing pain intensity using a single 0-10 numeric rating (0 is no pain, 10 is the worst pain ever felt) item and seven health domains. |
12 weeks
|
2) To determine patient characteristics, such as psychological inflexibility, associated with a response to abdominal wall injection
Time Frame: 12 weeks
|
Psychological Inflexibility in Pain Scale: Items are rated on a 7-point scale, ranging from 1 to 7, where higher scores indicate greater levels of psychological inflexibility. |
12 weeks
|
3) To determine the rate of adverse events associated with abdominal wall injection.
Time Frame: 12 weeks
|
Adverse events associated with abdominal wall injections include pain or discoloration at the injection site, a syncopal episode after the injection, allergic reaction to lidocaine or alcohol swab/chloroprep.
There is a rare risk for seizures and injury to a muscle.
|
12 weeks
|
4) To measure pain thresholds with use of heat, using quantitative sensory testing (QST) in patients receiving abdominal wall injections.
Time Frame: 12 weeks
|
This will be measured by the following: Heat Pain Threshold and Pain Tolerance :. This task involves applying a series of heat sensations using a heat thermode (TSA-II Air, Medoc) to the subject's dominant inner forearm. |
12 weeks
|
4) To measure pain thresholds with use of temporal summation, using quantitative sensory testing (QST) in patients receiving abdominal wall injections.
Time Frame: 12 weeks
|
This will be measured by the following: Temporal summation. For assessment of temporal summation (TS), punctate mechanical stimuli will be delivered to the dorsal surface of the dominant hand using a 300-gm nylon monofilament developed by the German Research Network on Neuropathic Pain. |
12 weeks
|
4) To measure pain thresholds with use of pressure thresholds, using quantitative sensory testing (QST) in patients receiving abdominal wall injections.
Time Frame: 12 weeks
|
This will be measured by the following: Pressure pain threshold. Pressure pain threshold (PPTh) will be assessed via an algometer using pressure pain stimuli delivered to dorsal forearm (distal stimuli) and the trapezius (order counterbalanced). |
12 weeks
|
2) To determine patient characteristics, such as patient reported functional status, pain status, and global estimate status; associated with a response to abdominal wall injection
Time Frame: 12 weeks
|
This will be measured by the following: Routine Assessment of Patient Index Data (RAPID) Questionnaire: Assessing patient-reported measures of function, pain, and patient global estimate status. First set of items are rated on a 4-point scale, ranging from 0 to 3, where higher scores indicate lower functioning. Second set of items are rated on a scale from 0 to 10 where the higher the number the more pain the person is experiencing. The third set is rated on a scale from 0 to 10 where 10 is the poorest overall status. |
12 weeks
|
Collaborators and Investigators
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Estimated)
Study Completion (Estimated)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Actual)
Study Record Updates
Last Update Posted (Estimated)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
- Nervous System Diseases
- Pain
- Neurologic Manifestations
- Congenital Abnormalities
- Signs and Symptoms, Digestive
- Genetic Diseases, Inborn
- Neuromuscular Diseases
- Neurodegenerative Diseases
- Peripheral Nervous System Diseases
- Heredodegenerative Disorders, Nervous System
- Nervous System Malformations
- Polyneuropathies
- Abdominal Pain
- Nerve Compression Syndromes
- Charcot-Marie-Tooth Disease
- Hereditary Sensory and Motor Neuropathy
- Physiological Effects of Drugs
- Molecular Mechanisms of Pharmacological Action
- Anti-Arrhythmia Agents
- Central Nervous System Depressants
- Peripheral Nervous System Agents
- Sensory System Agents
- Anesthetics
- Membrane Transport Modulators
- Anesthetics, Local
- Voltage-Gated Sodium Channel Blockers
- Sodium Channel Blockers
- Lidocaine
Other Study ID Numbers
- OregonHSUAWI
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
product manufactured in and exported from the U.S.
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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