What this phase means
This study does not use the classic phase 1–4 drug ladder. It may be a device, a behavior program, a surgery timing study, or an early feasibility test.
Phase labels are FDA/ICH categories applied to the registry Phase field. They are not a finding that this study succeeded.
What the registry says happens
If you join, the listed intervention(s) are Transcranial Alternating Current Stimulation Sham, Transcranial Alternating Current Delta Stimulation., or Transcranial Alternating Current Theta Stimulation. The registry lists allocation as randomized. Cannabis use disorder (CUD) and major depressive disorder (major depression) are among the most prevalent psychiatric conditions in the United States, affecting an estimated 20.6 million and 21 million adults respectively.
They plan to enroll about 54 people at 2 sites. Taking part typically means using or being fitted with a device plus check-ins.
Official title (unrewritten)
Delta and Theta-Frequency Transcranial Alternating Stimulation Neuromodulation of Motivation and Reward Oscillations in Disorder of Reward Dysfunction.
Interventions: Transcranial Alternating Current Stimulation Sham, Transcranial Alternating Current Delta Stimulation., Transcranial Alternating Current Theta Stimulation
Primary outcome (registry wording): Effort-updating behavior during decision period.