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Clinical Trial Summary

Transcranial direct current stimulation (tDCS) is a form of non-invasive brain stimulation in which low level electrical currents are applied to the scalp in order to alter brain function. In a prior Phase-I study, the research team demonstrated feasibility of self-administration of a home-tDCS prototype in 14 patients that applied 15 sessions for each patient at an outpatient center.


Clinical Trial Description

The ultimate goal of this project is to develop a portable neuromodulatory intervention to reduce craving in cocaine addiction. This proposed project is in response to NIH/NIDA's solicitation titled "Development of Portable Neuromodulatory Device for the Treatment of Substance Use Disorders (SUDs)." The present study aims to increase the efficacy of repeated administration of tDCS to reduce drug craving in individuals with cocaine addiction. Substance use disorders present a treatment challenge for clinicians, as well as a socioeconomic burden on individuals and society at large. Cocaine use disorder occurs when someone experiences clinically significant impairment caused by the recurrent use of cocaine, including health problems, physical withdrawal with discontinuation of use, persistent/escalating use, and failure to meet major personal, occupational, or educational responsibilities. At present, no FDA approved medicines are available to treat cocaine dependence, and behavioral therapy may be used to treat this addiction, though with limited efficacy. Drug craving (strong obsessions about and/or irresistible urges or compulsions to consume a drug) is a central driving force for perpetuation of substance use and subsequent addiction, as well as relapse after abstinence. Currently, no treatments exist that are targeted at reducing drug craving, which is intrusive and distressing to patients. The prefrontal cortex (PFC) plays an important role inhibiting these intrusive cravings. However, decades of data have shown that PFC activity is impaired in addictions. In this study, our goal is to increase PFC activity with non-invasive neuromodulation. Given the role of the PFC in the processing and regulation of craving behavior, this brain region is a key target for brain stimulation. This study will recruit individuals with a diagnosis of cocaine use disorder (per DSM-5 criteria) who are receiving treatment for their substance use disorder at Samaritan Daytop Village (SDV) and other similar treatment facilities (e.g., Phoenix House, Mount Sinai's network of hospitals and clinics). Patients will be randomly assigned into three groups: active (real-tDCS), real-tDCS and Cognitive Reappraisal (CR), or sham (placebo) tDCS. Participants will receive 20 minutes of stimulation per tDCS day, three days per week for five weeks. Interviews and neuropsychological testing will be conducted, and self-reported drug craving and addiction severity questionnaires will be used. Follow up cognitive and behavioral assessments will be conducted over a period of 12 months post tDCS stimulation. In addition, participants will be asked to perform EEG, cognitive tasks, and collection of a blood sample to assess genetic/epigenetic patterns ;


Study Design


Related Conditions & MeSH terms


NCT number NCT04994821
Study type Interventional
Source Soterix Medical
Contact
Status Recruiting
Phase Phase 2
Start date September 28, 2020
Completion date September 2022

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