Chronic Pain Clinical Trial
— PPGOfficial title:
Development of Postoperative Pain; Clinical and Genetic Factors
NCT number | NCT02383342 |
Other study ID # | NL26908.091.12 |
Secondary ID | |
Status | Recruiting |
Phase | |
First received | |
Last updated | |
Start date | May 12, 2015 |
Est. completion date | March 2029 |
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.
Status | Recruiting |
Enrollment | 10000 |
Est. completion date | March 2029 |
Est. primary completion date | March 2027 |
Accepts healthy volunteers | No |
Gender | All |
Age group | 18 Years to 80 Years |
Eligibility | 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. |
Country | Name | City | State |
---|---|---|---|
Netherlands | Radboudumc | Nijmegen |
Lead Sponsor | Collaborator |
---|---|
Radboud University Medical Center |
Netherlands,
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Primary | Genetic risk factors for the development of acute pain using a visual analogue scale. | 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. | 7 days | |
Primary | 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). | 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. | 6 months | |
Secondary | If the pain influences daily functioning will be assesed with the pain disability index. | 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. | 6 months | |
Secondary | Is fear before an operation related to the development of acute and chronic pain after the operation. | 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). | once pre-operatively | |
Secondary | Is the Pain Catastrophizing Scale related to the development of acute and chronic pain after the operation. | 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. | once pre-operatively | |
Secondary | Is Pain Sensitivity related to the development of acute and chronic pain after the operation. | 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. | once pre-operatively | |
Secondary | Is the size of the incision made during the operation associated with pain development. | 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 | 6 months | |
Secondary | Is days in hospital after the operation associated with pain development. | Number of days in the hospital will be recorded to investigate whether this is linked to the development of acute or chronic pain. | 6 months | |
Secondary | Is medication use after the operation assocaited with pain development. | 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. | 6 months |
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