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Hand Surgery clinical trials

Phase 1: Researchers test a new drug or treatment in a small group of people for the first time to evaluate its safety, determine a safe dosage range, and identify side effects.
Phase 2: The drug or treatment is given to a larger group of people to see if it is effective and to further evaluate its safety.
Phase 3: The drug or treatment is given to large groups of people to confirm its effectiveness, monitor side effects, compare it to commonly used treatments, and collect information that will allow the drug or treatment to be used safely.
Phase 4: Studies are done after the drug or treatment has been marketed to gather information on the drug's effect in various populations and any side effects associated with long-term use.

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Terminated
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NCT ID: NCT00827658 Terminated - Hand Surgery Clinical Trials

Ulnar Nerve Block for Procedural Anesthesia - Wrist Versus Palm

Start date: February 2008
Phase: N/A
Study type: Interventional

Ulnar nerve blockade is necessary for sensory anesthesia and analgesia in the hand during minor procedures. The course of the ulnar nerve in the forearm, wrist, and hand is predictable and has low variability. However even with known anatomic location and landmarks, ulnar nerve blocks at the wrist frequently are inadequate for procedural anesthesia. The antebrachial fascia at the wrist acts as a barrier to local infiltration. Since the fascia can not be visualized or palpated, it is commonly not penetrated, resulting in an inadequate block. Furthermore at the level of the wrist the ulnar artery lies in close proximity to the nerve and there is potential for arterial puncture while attempting injection for volar wrist block. The palmar ulnar nerve block is an injection distal to the hook of the hamate in the thenar eminence which avoids the ulnar artery and antebrachial fascia. This block has been used successfully for many years in clinical practice but has not been assessed or compared in a research study. The purpose of this study is to assess the validity of using a palmar ulnar nerve block for procedures in the hand as compared to the standard volar wrist ulnar nerve block.