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Characterizing Transcranial Focused Ultrasound Neuromodulation During Sedation

StatusEnrolling by Invitation
PhasePhase 4
Started
View on ClinicalTrials.gov ↗

Record History

  1. Start date changed from estimate of Sep 2025 to Sep 1, 2025v2
  2. 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  • Stopped: an ongoing trial was terminated, suspended or withdrawn.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.
The goal of this clinical trial is to learn if focused ultrasound delivered to the brain influences the effects of the anesthetic medication propofol. It will also learn about the safety and feasibility of using ultrasound and anesthesia together to influence the brain. The main questions it aims to answer are: * Does focused ultrasound delivered to the brain influence the effects or the strength of propofol? * Does propofol anesthesia influence the effects of ultrasound delivered to the brain? Researchers will compare focused ultrasound with sham ultrasound (similar technology but not targeted to a brain region) and administer propofol anesthesia, while measuring signals from the brain and behaviors of participants. Participants will: * Obtain one non-contrast MRI scan of the brain * Receive two separate sessions of ultrasound to the brain (one focused and one sham) * Undergo two separate sessions of propofol anesthesia in a laboratory
Trial Details
NCT Number NCT07161518
Lead Sponsor Stanford University
Conditions
(from sponsor)		 Healthy Participants
Enrollment 10 participants
Start Date
Primary Completion (estimated)
Study Completion (estimated)
Updated on ClinicalTrials.gov