Validation of the Central Sensitisation Algorithm: Vignette Methods and Utilization to Patients With Chronic Pain

Sponsor
Clinical Exercise Physiology and Rehabilitation Reasearch Laboratory (Other)
Overall Status
Recruiting
CT.gov ID
NCT04730791
Collaborator
(none)
50
1
24.9
2

Study Details

Study Description

Brief Summary

This protocol will report on the validation process of the Central Sensitisation Algorithm. The study will include 2 phases. In the first phase, the vignette method will be used while the second phase will include the use of the algorithm in the evaluation of patients with chronic pain.

Condition or Disease Intervention/Treatment Phase
  • Diagnostic Test: Algo(s)rithm
  • Diagnostic Test: Pressure Pain Threshold

Detailed Description

For the purposes of the study, in the first phase, clinical vignettes will be created, ie short hypothetical scenarios of patients with chronic pain. The vignettes will feature patients with and without Central Sensitisation (CS). Initially, two experts will evaluate and characterize which vignettes concern patients with CS.

Next, a team of physiotherapists with knowledge of chronic pain and CS will evaluate vignettes twice: 1) according to their clinical reasoning and 2) according to the algorithm. There will be an interval of at least 2 weeks between the two measurements. One month later, the evaluation according to the Algorithm will be repeated. The investigators will design an Android application "Algo (s) rithm" to enter the questions of the algorithm. In the second phase, Algo (s)rithm app will use to evaluate patients with chronic pain (including patients with fibromyalgia) and healthy. The investigators will compare the result with PPT measurements in the same population.In the present study the inter-rater and test-retest reliability, criterion validity, construct validity will be examined.

Study Design

Study Type:
Observational [Patient Registry]
Anticipated Enrollment :
50 participants
Observational Model:
Cohort
Time Perspective:
Cross-Sectional
Official Title:
Validation of the Central Sensitisation Algorithm Using an Innovative Application Algo(s)Rithm: A Protocol Based on the Vignette Method.
Actual Study Start Date :
Feb 1, 2021
Anticipated Primary Completion Date :
Dec 1, 2022
Anticipated Study Completion Date :
Mar 1, 2023

Arms and Interventions

Arm Intervention/Treatment
Chronic Pain Patients

Adult patients 18-65 years, with chronic pain lasting for 3 or more months, with a pain intensity of at least 3 on a 0-10 numerical pain rating scale on most days.

Diagnostic Test: Algo(s)rithm
Specialized Algorithm for the categorization of Central Sensitisation. The algorithm is completed by the healthcare professional and includes questions about the patient's clinical picture.

Diagnostic Test: Pressure Pain Threshold
The pain pressure threshold (PPT) is used to measure the sensitivity of specific areas. The test quantifies the minimum amount of pressure in a given area, during an increasing skin pressure stimulus, which is capable of altering the feeling of pressure in pain.

Control Group

Free pain participants

Diagnostic Test: Algo(s)rithm
Specialized Algorithm for the categorization of Central Sensitisation. The algorithm is completed by the healthcare professional and includes questions about the patient's clinical picture.

Diagnostic Test: Pressure Pain Threshold
The pain pressure threshold (PPT) is used to measure the sensitivity of specific areas. The test quantifies the minimum amount of pressure in a given area, during an increasing skin pressure stimulus, which is capable of altering the feeling of pressure in pain.

Outcome Measures

Primary Outcome Measures

  1. Algo(s)rithm [through study completion, an average of 1 year]

    Specialized Algorithm for the categorization of Central Sensitisation. The algorithm is completed by the healthcare professional and includes questions about the patient's clinical picture.

  2. Pressure Pain Thresholds PPT [through study completion, an average of 1 year]

    The pain pressure threshold (PPT) is used to measure the sensitivity of specific areas. The test quantifies the minimum amount of pressure in a given area, during an increasing pressure of the skin, which is able to change the feeling of pressure in the pain. Measurements will be performed according to protocols used in previous studies (Correa-Rodriquez et al. 2019; Coronado et al. 2018; Wang-Price et al. 2019; Jakorinne et al. 2018; Balaguier et al. 2016)

Eligibility Criteria

Criteria

Ages Eligible for Study:
18 Years to 65 Years
Sexes Eligible for Study:
All
Accepts Healthy Volunteers:
Yes
Inclusion Criteria:
  • Adult patients 18-65 years

  • with pain > 3months, intensity of at least 3 on a 0-10 numerical pain rating scale on most days

  • or patients with fibromyalgia (according to the "criteria for classification of fibromyalgia" by the American college of rheumatology (Wolfe et al 1990)).

Exclusion Criteria:
  • Patients who follow a physical therapy program

  • Recent surgery or trauma

  • Pregnant women,

  • Patients with neurological disorders or systemic diseases

Contacts and Locations

Locations

Site City State Country Postal Code
1 Clinical Exercise Physiology and Rehabilitation Laboratory Lamia Sterea Ellada Greece 35100

Sponsors and Collaborators

  • Clinical Exercise Physiology and Rehabilitation Reasearch Laboratory

Investigators

  • Study Chair: Eleni V Kapreli, MSc,PhD, Clinical Exercise Physiology & Rehabilitation Laboratory,University of Thessaly

Study Documents (Full-Text)

None provided.

More Information

Publications

Responsible Party:
Clinical Exercise Physiology and Rehabilitation Reasearch Laboratory
ClinicalTrials.gov Identifier:
NCT04730791
Other Study ID Numbers:
  • 4
First Posted:
Jan 29, 2021
Last Update Posted:
Aug 1, 2022
Last Verified:
Jul 1, 2022
Individual Participant Data (IPD) Sharing Statement:
No
Plan to Share IPD:
No
Studies a U.S. FDA-regulated Drug Product:
No
Studies a U.S. FDA-regulated Device Product:
No
Keywords provided by Clinical Exercise Physiology and Rehabilitation Reasearch Laboratory
Additional relevant MeSH terms:

Study Results

No Results Posted as of Aug 1, 2022