Intrasynovial Digital Anesthesia in Trigger Finger

Recruiting now · Not applicable

Conditions studied: Trigger Finger Disorder

In brief

Trigger finger is a common disease of the hand involving swelling and inflammation of the tendon which flexes a finger, causing catching, locking, and/or pain. Trigger finger is typically treated by hand surgeons with a steroid injection through the front/palm side of the hand into the area near the tendon (i.e., at the base of the affected finger). This steroid injection is often combined with a local anesthetic (numbing agent) to help reduce short-term pain from the injection. However, the front/palm side of the hand is known to be very sensitive, and the steroid injection can be quite painful as the needle pierces the front/palm skin. To reduce the pain of steroid injections for trigger finger, a different approach involves performing the injection from the back/dorsal side of the hand, which is thought to be less sensitive (and therefore less painful) than the front/palm side of the hand. This technique is sometimes used and has been previously studied, but it is not clear if it can offer less injection-related pain than standard treatment. Accordingly, this study will be comparing short-term injection-associated pain between front/palm side and back/dorsal side steroid injections for trigger finger. The study will also seek to understand what area of the hand is numbed by the anesthetic when doing a front/palm side injection versus a back/dorsal side injection of the hand. Overall, the investigators hypothesize that back/dorsal side injections will be less painful than front/palm side injections for trigger fingers and that the area of numbing from the anesthetic will be equivalent between both types of injections.

Key facts

Study ID

NCT06476977

Run by

Kevin Zuo

People needed

60

Starts

2024-07-03

Expected to finish

2026-07-01

Last updated by the study team

2024-08-19

Who can join

Age: 18 and older. Sex: any. Healthy volunteers: not accepted.

You may qualify if…

• Be 18 years of age or older
• Have a diagnosis of trigger finger (can be any of the 5 digits)
• Opting to receive a CSI for their triggering finger

You may not qualify if…

• Decline to obtain a CSI for trigger finger management
• Receiving multiple CSI for trigger finger management at the appointment
• Past CSI and/or surgery to the digit involved
• Unable to communicate in English

Where it is running

• University Health Network - Toronto Western Hospital — Toronto, Ontario, Canada (enrolling)

Full record on ClinicalTrials.gov

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