- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT02383342
Pain Predict Genetics (PPG)
Development of Postoperative Pain; Clinical and Genetic Factors
Pain is the most frequent cause of suffering and disability in society. Despite considerable involvement of genetic factors in pain sensation and sensitivity, the individual genes involved remain largely unidentified.
In this project the investigators will follow patients undergoing elective major surgery for the development of acute and chronic pain. The investigators will search for clinical as well as genetic factors that can predict the development of pain. These can serve as biomarkers to predict acute and chronic pain development and progression in individual patients and help early individual treatment adaptation.
Study Overview
Status
Conditions
Detailed Description
Pain is the most frequent cause of suffering and disability in society. Chronic pain seriously impairs quality of life of millions of people worldwide. 10-50% of surgical patients report chronic pain after surgery; up to 10% report severe pain. Thus, chronic pain is a significant medical and financial burden to society.
Despite considerable involvement of genetic factors in pain sensation and sensitivity, individual genes involved remain largely unidentified. Knowledge of genetic factors, their phenotypic expression in pain processing, and their link to neuronal correlates can improve understanding of pain aetiology and processes involved in pain perception and chronification. Also, they can serve as biomarkers to predict chronic pain development and progression in patients and help early individual treatment adaptation.
In this study the investigators will establish a prospective database and biobank of patients undergoing elective major surgery. Using data from the database and biobank, the investigators will identify genetic factors contributing to development of acute and chronic pain after surgery.
Over a period of 10 years the investigators will prospectively include up to 10,000 patients visiting the hospital for elective major surgery. Data defining participants demographics, medical history and questionnaire data will be collected and stored in dedicated databases. Additional details (surgery and perioperative management, pain processing phenotypes and surgical and pain outcomes) will be stored.
Study Type
Enrollment (Estimated)
Contacts and Locations
Study Contact
- Name: Rianne van Boekel, PhD.
- Email: rianne.vanboekel@radboudumc.nl
Study Contact Backup
- Name: Kris Vissers, PhD
- Email: kris.vissers@radboudumc.nl
Study Locations
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Nijmegen, Netherlands, 6500HB
- Recruiting
- Radboudumc
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Contact:
- Rianne van Boekel, PhD
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Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Sampling Method
Study Population
Description
Inclusion Criteria:
Patients:
- Ages 18 - 80 years, consenting, planned surgery, able to understand and answer questionnaires.
Exclusion Criteria:
- Non-consent, inability to give consent, unplanned and emergency surgery.
Study Plan
How is the study designed?
Design Details
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Genetic risk factors for the development of acute pain using a visual analogue scale.
Time Frame: 7 days
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All patients will be followed for 1 year after elective surgery, during this period the investigators will collect acute pain measures using a visual analogue scale (ranging from 0 (no pain) -10 (pain)) before the operation and 1, 2, 3 and 7 days after the operation.
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7 days
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Genetic risk factors for the development of chronic pain (defined as pain (yes or no) for more than 3 months in one specific body area).
Time Frame: 6 months
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All patients will be followed for 1 year after elective surgery, during this period the investigators will collect chronic pain measures using a questionnaire before the operation and 1 week, 3 months and 6 months.
Chronic pain is defined as pain at a specific body side (yes/no) for more than 3 months.
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6 months
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Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
If the pain influences daily functioning will be assesed with the pain disability index.
Time Frame: 6 months
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The pain disability index will be used to assess whether the observed acute or chronic pain influences daily life.
The pain disability index will be collected before the operation and at week 1, 3 months and 6 months.
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6 months
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Is fear before an operation related to the development of acute and chronic pain after the operation.
Time Frame: once pre-operatively
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The Amsterdam Preoperative Fear and Information Scale (APAIS)(Moerman et al.
Anesth Analg.
1996 Mar;82(3):445-51) will be used to assess whether the observed acute or chronic pain can be linked to fear before an operation.
The measure will be collected before the operation.
The scores on the anxiety scale of the APAIS range from 4 (not anxious) to 20 (highly anxious).
And the scores on the information scale of the APAIS range from 2 (no need for information) to 10 (high need for information).
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once pre-operatively
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Is the Pain Catastrophizing Scale related to the development of acute and chronic pain after the operation.
Time Frame: once pre-operatively
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The Pain Catastrophizing Scale (Sullivan et al.
Psychol Assess 1995;7:524-32) will be used to assess whether the observed acute or chronic pain are association with the Pain Catastrophizing Scale.
The Pain Catastrophizing Scale contains 13 items (all items are rated on a 5 point scale).
The measure will be collected before the operation.
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once pre-operatively
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Is Pain Sensitivity related to the development of acute and chronic pain after the operation.
Time Frame: once pre-operatively
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The Pain Sensitivity Questionnaire (PSQ; Ruscheweyh et al.Pain.
2009 Nov;146(1-2):65-74) will be used to assess whether the observed acute or chronic pain are association with a higher pain sensitivity.
This questionnaire consists of 17 questions, each describing a daily life situation on a numeric rating scale ranging from 0 (not painful at all) to 10 (worst pain imaginable).
The pain sensitivity questionnaire will be collected before the operation.
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once pre-operatively
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Is the size of the incision made during the operation associated with pain development.
Time Frame: 6 months
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The incision size will be measured and reported by the patients to investigate whether this is linked to the development of acute or chronic pain
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6 months
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Is days in hospital after the operation associated with pain development.
Time Frame: 6 months
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Number of days in the hospital will be recorded to investigate whether this is linked to the development of acute or chronic pain.
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6 months
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Is medication use after the operation assocaited with pain development.
Time Frame: 6 months
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Type of (pain)medication and duration of medication use will be recorded by questionnaires and electronic health records.
The investigators will analyse if medication type or duration of medication use is associated with pain development.
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6 months
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Collaborators and Investigators
Investigators
- Study Director: Han G Brunner, Prof. PhD., Radboud University Medical Center
- Principal Investigator: Barbara Franke, Prof. PhD., Radboud University Medical Center
- Study Chair: Gert Jan Scheffer, Prof. PhD., Radboud University Medical Center
- Principal Investigator: Rianne van Boekel, PhD., Radboud University Medical Center
- Principal Investigator: Kris Vissers, PhD, Radboud University Medical Center
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 (Estimated)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Keywords
Additional Relevant MeSH Terms
Other Study ID Numbers
- NL26908.091.12
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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