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NCT06790576
The study will recruit 50 adults with stimulant use disorder currently in treatment and abstinent for at least 2 weeks. The study will also recruit up to 10 healthy controls (adults without StUD) for initial study configuration. The study will consist of five steps that are expected to be completed over two lab visits. Step 1: The 3T MRI scan will provide accurate prefrontal cortex anatomy for using neuronavigation for TMS. In addition, the study will use an analysis of resting fMRI connectivity to determine the location in the left DLPFC that has the maximum connectivity with the incentive-salience network. Step 2: The study will use the data collected at the MRI to select the individual TMS location. EEG will be used to collect TEPs in response to single pulse TMS at the left DLPFC. Participants will then be randomized to one of three conditions: A) TMS unsynchronized with EEG, B) TMS synchronized with EEG theta frequency trough, and C) TMS synchronized with EEG theta frequency peak. The stimulation will be applied with an intensity of up to 120% of the resting motor threshold (which is a safe and common practice; Rossi et al., 2021). The intensity can be decreased for individual participants. Step 3: Following randomization, the study will administer a pre-iTBS assessment. Step 4: The study will compare brain and behavioral responses before and after the iTBS session with TMS and EEG synchronization as assigned by their randomized group. Step 5: The study will administer a post-iTBS assessment.
NCT05546515
This study will evaluate whether Suvorexant 20mg reduces drug use and craving, and improves sleep and stress among persons with co-occurring opioid use disorder and stimulant use disorder.
NCT05286879
This is a 5-year Hybrid Type 1 Effectiveness-Implementation Randomized Control Trial (RCT) that compares two models of linking and retaining individuals recently released from justice involvement to the continuum of community-based HIV prevention and treatment, HCV treatment, STI treatment, and opioid use disorder (OUD) prevention and treatment, medication for opioid use disorder (MOUD) service cascades of care.
NCT06474026
The purpose of this clinical trial is to evaluate the initial safety and efficacy of the ExAblate Model 4000 Type 2.1 surgical device for nucleus accumbens (NAc) neuromodulation in patients with psychostimulant use disorder (PUD).
NCT04907357
The purpose of the study is to determine feasibility of repetitive transcranial magnetic stimulation (rTMS) for individuals with moderate to severe cocaine or methamphetamine use disorder (CUD/MUD). Potential participants will be age 18-65, and interested in cutting down or stopping use. Participants will be randomized to one of two groups; groups will receive rTMS or sham rTMS (placebo) over the course of an 8-week treatment period, and complete follow-up assessments at the end of treatment, 12, and 16 weeks post-randomization.