Forward Looking InfraRed Imaging and Severity Score in Complex Regional Pain Syndrome

Completed

Conditions studied: CRPS (Complex Regional Pain Syndromes)

In brief

The goal of this interventional study is to explore the use of InfraRed (FLIR) imaging in determining pain intensity and severity in newly diagnosed complex regional pain syndrome patients. The main questions it aims to answer are: Question 1: Can Infrared (FLIR) imaging be used to determine the severity of CRPS in newly diagnosed patients? Question 2: Is there any correlation with the quantification of 'the Δ thermal index value' measured by FLIR imaging with pain intensity (NRS) in newly diagnosed patients? Question 3: Is there any correlation between the quantification of 'the Δheat index value' measured by FLIR imaging between the two extremities with the severity (the severity score for CRPS) in newly diagnosed patients? Participants will have a picture of their foot taken using the forward looking infrared (FLIR) camera and answer questionnaires regarding their pain and complex regional pain syndrome (CRPS).

Key facts

Study ID

NCT05852210

Run by

Hospital for Special Surgery, New York

People needed

30

Starts

2023-04-01

Expected to finish

2026-03-01

Last updated by the study team

2026-04-08

Who can join

Age: 18 and older, up to 85. Sex: any. Healthy volunteers: not accepted.

You may qualify if…

• The patient is between 18 and 85 years old
• Providing CRPS diagnostic criteria using the Budapest Clinical Diagnostic Criteria.
• The patients affected with CRPS in a unilateral limb
• The patient has had pain and other symptoms for more than 3 months

You may not qualify if…

• Patients with suspected disc herniation, spinal stenosis, myelopathy, and suspected radiculopathy in detailed examinations and examinations (MRI, CT).
• Systemic or local infection
• Malignancy
• Pregnancy
• Uncontrollable medical and psychiatric condition
• The patients diagnosed with dysautonomia, sympathetic dysfunction(such as Raynaud disease or Buerger disease), and patients on vasoactive drugs, the mechanism of action is directly on the vasculartone.

Where it is running

• Hospital for Special Surgery — New York, New York, United States

Full record on ClinicalTrials.gov

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