Apply to trial NCT07728994

A few quick questions so the study team can decide if you might be a fit.

RecruitingPhase 2Device study

SONATA LIFU for OCD

The study tests ATTN201, an investigational non-invasive headband that delivers low-intensity focused ultrasound (LIFU) to the subthalamic nucleus (STN) as a treatment for obsessive-compulsive disorder (OCD). It's a randomized, double-blind, 1:1 (active: sham) study with 40 total participants spanning 12-16 weeks and 14 in-person and remote visits.

How this works

  1. Answer a few questions

    About 5 to 10 minutes. Skip-friendly where possible.

  2. We connect you with the study team

    When a site picks up your application, we introduce you to their team directly — with you on the thread.

  3. The team reaches out to schedule screening

    Usually within a few business days, via the contact you give.

We save your progress under this email and copy you when we connect you with the study team.

By continuing, you agree to our terms of service.