NCT05986513

Brief Summary

It has been estimated that 300 million people worldwide have osteoarthritis (OA), and this has increased by 97% over the past 25 years. OA is degenerative joint disease that has joint cartilage break down and causes the surrounding bone to change and rub. The pain and loss of mobility experienced by people with knee OA can seriously reduce quality of life, while pain management causes significant healthcare spending. Unfortunately, the pain associated with OA is complex and difficult to treat other than to have a total knee replacement surgery to replace the damaged bone and surrounding tissues with artificial ones. Our research study plans to use advanced magnetic resonance imaging techniques and novel analysis methods to determine if specific parts of the brain are responsible for difficult to describe and diagnose aspects of chronic pain. This study will help us better understand the effects of chronic pain in the brain and the results will help guide future research into new therapeutic options that would focus on relieving the brain dysfunction caused by chronic pain.

Trial Health

43
At Risk

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Trial has exceeded expected completion date
Enrollment
66

participants targeted

Target at P50-P75 for not_applicable chronic-pain

Timeline
Completed

Started Sep 2023

Typical duration for not_applicable chronic-pain

Geographic Reach
1 country

2 active sites

Status
unknown

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

First Submitted

Initial submission to the registry

August 3, 2023

Completed
11 days until next milestone

First Posted

Study publicly available on registry

August 14, 2023

Completed
18 days until next milestone

Study Start

First participant enrolled

September 1, 2023

Completed
1.7 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

May 1, 2025

Completed
4 months until next milestone

Study Completion

Last participant's last visit for all outcomes

August 31, 2025

Completed
Last Updated

August 18, 2023

Status Verified

August 1, 2023

Enrollment Period

1.7 years

First QC Date

August 3, 2023

Last Update Submit

August 15, 2023

Conditions

Keywords

functional magnetic resonance imagingdiffusion tensor imagingnociplastic pain

Outcome Measures

Primary Outcomes (1)

  • Group and individual differences at baseline and post-intervention

    The primary objective is to determine if chronic pain, more specifically chronic nociplastic pain, causes neuroplastic brain alterations. It is hypothesized that people with localized chronic pain (OA-Knee) and widespread chronic pain (OA-Knee+Body) would exhibit abnormal brain function (e.g., network connectivity and ROI complexity) and reduced microstructural integrity of brain white matter, that would also be proportionately associated with pain sensitivity and mental state, in comparison to similarly aged individuals with knee osteoarthritis without chronic pain.

    2 hours

Secondary Outcomes (1)

  • Presence of neuroinflammation

    2 hours

Study Arms (3)

OA-PF

ACTIVE COMPARATOR

Individuals with knee OA without knee or bodily pain. All participants will complete the same study protocol with pre- post-perturbation MRI scans and pain assessment questionnaires, as well as breath samples collected at multiple time points during the study visit.

Behavioral: Cold Pressor Gel Test

OA-Knee

EXPERIMENTAL

Individuals with knee OA with localized knee pain. All participants will complete the same study protocol with pre- post-perturbation MRI scans and pain assessment questionnaires, as well as breath samples collected at multiple time points during the study visit.

Behavioral: Cold Pressor Gel Test

OA-Knee+Body

EXPERIMENTAL

Individuals with knee OA with localized knee pain and widespread bodily pain. All participants will complete the same study protocol with pre- post-perturbation MRI scans and pain assessment questionnaires, as well as breath samples collected at multiple time points during the study visit.

Behavioral: Cold Pressor Gel Test

Interventions

This test will allow the research team to induce a painful sensation in participants in a safe, non-invasive, standardized, and short-lasting manner. The protocol for the cold pressor gel test is simple: participants will place their non-dominant hand in the container of cold water for as long as they can up to a maximum of two minutes. If it becomes too painful or uncomfortable during those two minutes, participants can remove their hand from the container. It should be noted again that this is not a treatment for knee OA or chronic pain and will be used to investigate the effects of acute pain in the brain of individuals with a chronic pain condition.

OA-KneeOA-Knee+BodyOA-PF

Eligibility Criteria

Age18 Years - 80 Years
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • Clinical diagnosis and radiographic evidence of knee OA (by rheumatologist).
  • For the two experimental groups (Groups OA-Knee and OA-Knee+Body), participants must have experienced chronic pain related to their knee OA (\>3 months) on most days of each month.
  • Participants in Group OA-Knee+Body must:
  • Exhibit chronic knee pain and widespread bodily pain at \>3 Michigan Body Map regions.
  • Meet the Kosek criteria for nociplastic pain: i) the duration/regionality/type of pain, ii) history of hypersensitivities, iii) comorbidity identification, and iv) evoked pain hypersensitivity \[19\]
  • Participants must be able to speak and understand English.

You may not qualify if:

  • Unable to provide consent (e.g., poor English language skills, etc.)
  • History of liver or kidney disease
  • MRI contraindications:
  • Pacemaker
  • Stent
  • Joint prothesis
  • Implanted devices
  • Claustrophobia
  • Pregnant
  • Permanent piercings
  • Chronic/abusive use of alcohol and/or illicit drugs
  • Previous clinical diagnosis of fibromyalgia, a multisite pain disorder, a systemic inflammatory disorder (e.g., rheumatoid arthritis, myopathy), depression, post-traumatic stress disorder
  • Previous stroke or moderate/severe traumatic brain injury, subarachnoid hemorrhage, or intracranial hemorrhage
  • Use of psychotropic medications
  • Control subjects (Group OA-PF) also cannot have a history of chronic pain or knee pain caused by osteoporosis or osteoarthritis
  • +2 more criteria

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (2)

Imaging Research Centre, St. Joseph's Healthcare Hamilton

Hamilton, Ontario, L8P 2J5, Canada

Location

Toronto Rehabilitation Institute

Toronto, Ontario, M5G 2A2, Canada

Location

Related Publications (44)

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    PMID: 26835782BACKGROUND
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Related Links

MeSH Terms

Conditions

Chronic PainOsteoarthritis, KneeNociplastic Pain

Condition Hierarchy (Ancestors)

PainNeurologic ManifestationsSigns and SymptomsPathological Conditions, Signs and SymptomsOsteoarthritisArthritisJoint DiseasesMusculoskeletal DiseasesRheumatic Diseases

Study Officials

  • Dinesh Kumbhare, MD, PhD

    University Health Network, Toronto

    PRINCIPAL INVESTIGATOR
  • Michael D Noseworthy, PhD, PEng

    McMaster University

    PRINCIPAL INVESTIGATOR

Central Study Contacts

Dinesh Kumbhare, MD, PhD

CONTACT

Ethan Danielli, PhD

CONTACT

Study Design

Study Type
interventional
Phase
not applicable
Allocation
NON RANDOMIZED
Masking
SINGLE
Who Masked
OUTCOMES ASSESSOR
Masking Details
The MRI analysis methods are quantitative and unbiased by convention. Furthermore, they will require the researcher to input the age and sex of the participant and indicate if the participant was a healthy control or experimental to allow for group comparisons, but that will not influence the analyses or outcomes.
Purpose
BASIC SCIENCE
Intervention Model
PARALLEL
Model Details: Adults who have been clinically diagnosed with knee osteoarthritis (pain free, localized knee pain, or knee and widespread pain) will all receive the same intervention and study protocol.
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Scientist

Study Record Dates

First Submitted

August 3, 2023

First Posted

August 14, 2023

Study Start

September 1, 2023

Primary Completion

May 1, 2025

Study Completion

August 31, 2025

Last Updated

August 18, 2023

Record last verified: 2023-08

Data Sharing

IPD Sharing
Will not share

The data collected for this study will not be shared with researchers outside of the research team.

Locations