USG CMBB DSA Study

Recruiting now

Conditions studied: Cervicalgia

In brief

Injections that freeze neck joints can be done using x-rays or ultrasound imaging, which as a newer way of guiding the needle to the right spot. This study will look at how often freezing liquid goes into a blood vessel during neck injections that freeze neck joints when ultrasound guidance is used to place the needle. When this happens, it can go undetected because it does not make the patient feel any different, however it could cause a test block to be falsely negative, leading to the wrong diagnosis. Based on previous studies, we think that this happens rarely, and the purpose of this study is to prove that conclusively

Key facts

Study ID

NCT06731920

Run by

Montreal General Hospital

People needed

300

Starts

2025-01-10

Expected to finish

2026-08-01

Last updated by the study team

2024-12-13

Who can join

Age: 19 and older. Sex: any. Healthy volunteers: not accepted.

You may qualify if…

• Consenting patients over 19 years of age undergoing an ultrasound-guided cervical medial branch blocks as part of their usual care.

You may not qualify if…

• Subjects with one or more of the following characteristics will be excluded from the study:
• Known bleeding disorder or coagulopathy Patients on antiplatelet medication other than aspirin and those on anticoagulants (coumadin, AT III agents) Inability to visualize targeted structures on ultrasound Known allergy to contrast agents

Where it is running

• Bill Nelems Pain and Research Centre — Kelowna, British Columbia, Canada (enrolling)

Full record on ClinicalTrials.gov

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