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Olfactory Transcranial Focused Ultrasound

RecruitingNAAges 18 Years - 65 YearsAllMedical University of South Carolina
NCT07658365 on ClinicalTrials.gov ↗
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In plain words

What the trial is, and whether it could suit you

This study investigates the causal effects of low-intensity transcranial focused ultrasound (tFUS) on odor valence perception and odor-elicited avoidance behaviors in healthy adults. Participants undergo sham and active tFUS targeting the amygdala (AMYG) and ventral striatal olfactory tubercle (VSOT) in a within-subject, randomized, sham-controlled crossover design. Outcomes include subjective odor ratings and objective neurophysiological and behavioral indices of odor valence processing. This research is exploratory and mechanistic in nature and is not intended to evaluate clinical safety or therapeutic efficacy.

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📋 Eligibility rules (as published)
Inclusion Criteria: * Age 18-65 years * Healthy adult volunteers * Normal olfactory function (Sniffin' Sticks total TDI ≥ 30.75) * Ability to provide informed consent * English fluency sufficient for task completion Exclusion Criteria: * MRI or tFUS contraindications (e.g., metal implants, claustrophobia, pregnancy) * Sinonasal conditions affecting airflow or smell * Current use of medications that alter olfaction * Positive urine drug screen
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What it tests

  • transcranial focused ultrasound (tFUS)
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Where

1 site
Medical University of South Carolina
Charleston, United States
🤝 Taking part is your choice, and you can leave at any time. Only the trial team can confirm you are eligible — always decide together with your own doctor.
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