Attune Neurosciences Inc
This is a double-blind, within-participant crossover, multi-site dose-finding study evaluating the safety, feasibility, and preliminary efficacy of repeated low-intensity focused ultrasound (LIFU) stimulation using the ATTN201 device across seven candidate deep-brain targets in adults with subsyndromal-to-moderate depression, anxiety, or obsessive-compulsive disorder. Every session delivers active ATTN201 stimulation; there is no sham or placebo condition. Participants and the on-site study staff who deliver stimulation and administer the clinical scales are blinded to the brain target and to the stimulation parameters assigned for each session by a constrained Bayesian optimization algorithm.
Following a remote pre-screen and an in-person screening/baseline visit (Visit 0), at which informed consent is obtained, eligibility is confirmed, baseline clinical scales are administered, optional biospecimens are collected from participants who consent to them, a multi-sequence brain MRI is acquired for targeting, and monitoring devices are fitted, each participant receives between 3 and 10 ATTN201 stimulation sessions spaced approximately 7 days apart. Each stimulation visit serves as the pre-stimulation baseline for that session, the 1-week post-stimulation measurement for the prior sess…
Inclusion Criteria: * Be between 22 and 80 years of age (inclusive) on the day of signing informed consent. * Have at least one of the following at screening: PHQ-9 total score 5-16 (depression), GAD-7 total score 5-14 (anxiety), or OCI-R total score 14-27 (obsessive-compulsive disorder). * If currently taking psychiatric medication, have been on the same stable dose(s) for at least 4 weeks prior to screening and be willing to maintain the regimen throughout the treatment period. * Be able and willing to undergo a multi-sequence cranial MRI. * Be willing to use the ATTN201 device during stimu…
ATTN201 head-worn focused ultrasound
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