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Minimal Effective Volume 90% for Double-injection Costoclavicular Block

StatusRecruiting
PhasePhase 4
Started
View on ClinicalTrials.gov ↗

Record History

  1. Recruitment opened
    • Start date changed from estimate of Feb 1, 2026 to Jun 16, 2026
    • Study sites: 0 to 1
    v3
  2. Re-verified, no change to tracked fieldsv2
  3. Study First Submitted
  • Stopped: an ongoing trial was terminated, suspended or withdrawn.
  • Notable: the trial’s plan changed such as a big move in its timeline or size, a new primary endpoint, sponsor or phase, or recruiting opened or resumed.
  • Minor: routine progress and housekeeping, such as sites added or enrollment closed.
In 2020, a trial demonstrated that a 2-injection technique constitutes the optimal method for the costoclavicular block. This study aims to determine the minimum amount of medication required to achieve a successful double-injection costoclavicular nerve. Block dose assignment will be done using an up-and-down sequential method, called the Biased Coin Design (BCD). The double-injection technique for US-guided costoclavicular block consists in depositing two thirds of the LA volume in the deep compartment (to anesthetize the posterior and medial cords), and one third of the injectate in the superficial compartment (to anesthetize the lateral cord). The ED90 will be calculated using isotonic regression with a 95% confidence interval derived by bootstrapping.
Trial Details
NCT Number NCT07374952
Lead Sponsor McGill University Health Centre/Research Institute of the McGill University Health Centre
Conditions
(from sponsor)		 Brachial Plexus Blocks, Lidocaine, Nerve Block, Dose Finding Study, Costoclavicular Block
Enrollment 60 participants
Start Date
Primary Completion (estimated)
Study Completion (estimated)
Updated on ClinicalTrials.gov