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Clinical Trial Details — Status: Recruiting

Administrative data

NCT number NCT04994821
Other study ID # SMIMS09282020
Secondary ID HS# 18-01324, GC
Status Recruiting
Phase Phase 2
First received
Last updated
Start date September 28, 2020
Est. completion date September 2022

Study information

Verified date August 2021
Source Soterix Medical
Contact n/a
Is FDA regulated No
Health authority
Study type Interventional

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.


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


Recruitment information / eligibility

Status Recruiting
Enrollment 60
Est. completion date September 2022
Est. primary completion date March 2022
Accepts healthy volunteers No
Gender All
Age group 18 Years to 65 Years
Eligibility Inclusion Criteria: - DSM-5 diagnosis of cocaine use disorder - Ability to understand the risks/benefits of the study, provide informed consent and perform tasks as per protocol - English speaking - For females of childbearing capacity, current use of a medically acceptable form of birth control Exclusion Criteria: - Current or past history of a major neurological disorder (e.g. mental retardation, Parkinson's disease, Lewy body disease, Huntington's disease, MS, ALS, stroke, delirium tremens) or seizures, including those symptoms associated with periods of cocaine withdrawal or abstinence - History of Axis I disorder, other than substance use disorder, that is associated with psychotic symptoms (e.g. schizophrenia) or neurodevelopmental disorder (e.g., autism) - Use of medications (current or in the past 6 months) with known CNS effects or which may alter cerebral function, except psychotropics for depression/anxiety/PTSD (e.g. SSRIs) - Clinically significant unstable medical illness or infection (e.g. HIV, hepatitis, etc.) - Presence of contraindicated metallic implants or devices which may be impacted by electrical stimulation (e.g. cardiac pacemaker/defibrillator, medication pump, cochlear implant, implanted brain stimulator) - Head trauma with loss of consciousness for more than 30 minutes - Pregnancy or breast feeding

Study Design


Intervention

Device:
transcranial direct current stimulator (tDCS)
Patients will have two electrodes applied (one anode, one cathode) administering active (real) or sham (placebo, not real) tDCS stimulation. Stimulation will last 20 minutes per day, three days per week, for 5 weeks
Behavioral:
Cognitive Reappraisal
Emotion regulation therapy

Locations

Country Name City State
United States Icahn School of Medicine at Mount Sinai New York New York

Sponsors (2)

Lead Sponsor Collaborator
Soterix Medical Icahn School of Medicine at Mount Sinai

Country where clinical trial is conducted

United States, 

References & Publications (7)

Agarwal S, Pawlak N, Cucca A, Sharma K, Dobbs B, Shaw M, Charvet L, Biagioni M. Remotely-supervised transcranial direct current stimulation paired with cognitive training in Parkinson's disease: An open-label study. J Clin Neurosci. 2018 Nov;57:51-57. doi: 10.1016/j.jocn.2018.08.037. Epub 2018 Sep 5. — View Citation

Batista EK, Klauss J, Fregni F, Nitsche MA, Nakamura-Palacios EM. A Randomized Placebo-Controlled Trial of Targeted Prefrontal Cortex Modulation with Bilateral tDCS in Patients with Crack-Cocaine Dependence. Int J Neuropsychopharmacol. 2015 Jun 10;18(12). pii: pyv066. doi: 10.1093/ijnp/pyv066. — View Citation

Charvet L, Shaw M, Dobbs B, Frontario A, Sherman K, Bikson M, Datta A, Krupp L, Zeinapour E, Kasschau M. Remotely Supervised Transcranial Direct Current Stimulation Increases the Benefit of At-Home Cognitive Training in Multiple Sclerosis. Neuromodulation. 2018 Jun;21(4):383-389. doi: 10.1111/ner.12583. Epub 2017 Feb 22. — View Citation

Charvet LE, Dobbs B, Shaw MT, Bikson M, Datta A, Krupp LB. Remotely supervised transcranial direct current stimulation for the treatment of fatigue in multiple sclerosis: Results from a randomized, sham-controlled trial. Mult Scler. 2018 Nov;24(13):1760-1769. doi: 10.1177/1352458517732842. Epub 2017 Sep 22. — View Citation

Moeller SJ, Zilverstand A, Konova AB, Kundu P, Parvaz MA, Preston-Campbell R, Bachi K, Alia-Klein N, Goldstein RZ. Neural Correlates of Drug-Biased Choice in Currently Using and Abstinent Individuals With Cocaine Use Disorder. Biol Psychiatry Cogn Neurosci Neuroimaging. 2018 May;3(5):485-494. doi: 10.1016/j.bpsc.2017.11.001. Epub 2017 Nov 11. — View Citation

Parvaz MA, Moeller SJ, Goldstein RZ. Incubation of Cue-Induced Craving in Adults Addicted to Cocaine Measured by Electroencephalography. JAMA Psychiatry. 2016 Nov 1;73(11):1127-1134. doi: 10.1001/jamapsychiatry.2016.2181. — View Citation

Parvaz MA, Moeller SJ, Malaker P, Sinha R, Alia-Klein N, Goldstein RZ. Abstinence reverses EEG-indexed attention bias between drug-related and pleasant stimuli in cocaine-addicted individuals. J Psychiatry Neurosci. 2016 Jul 19;41(5):150358. doi: 10.1503/jpn.150358. [Epub ahead of print] — View Citation

Outcome

Type Measure Description Time frame Safety issue
Primary Change in Cocaine Craving from Baseline (Obsessive-Compulsive Cocaine Scale score) Craving for cocaine will be assessed with a brief scale composed of 5 items (1, 2, 4, 5, and 13) from the Obsessive-Compulsive Cocaine Scale (OCCS; Vorspan et al., 2012). Baseline (pre-tDCS), post-tDCS sessions (approx. week 6), Follow-up (1 month, 3 month)
Secondary Change in Depression symptoms from Baseline (Ham-D score) Depression symptoms will be assessed by the Hamilton Rating Scale for Depression (24 item version, HAM-D; Hamilton, 1960). Baseline (pre-tDCS), post-tDCS sessions (approx. week 6), Follow-up (1 month, 3 month)
Secondary Change in Anxiety symptoms from Baseline (HAM-A score) Anxiety symptoms will be assessed by the Hamilton Rating Scale for Anxiety (HAM-A; Hamilton, 1959). Baseline (pre-tDCS), post-tDCS sessions (approx. week 6), Follow-up (1 month, 3 month)
Secondary Change in Quality of Life from Baseline (WHOQOL-BREF score) An abbreviated instrument of cross-culturally valid assessment of quality of life of the World Health Organization (WHOQOL-BREF) with 26 questions (WHOQOL Group, 1998; Skevington et al., 2004) yields 4 domains (physical health, psychological, social relationships, and environment) and 2 individually scored items regarding overall perception of quality of life (Q1) and health (Q2). The 4 domain scores are scaled in a way that higher scores stand for higher quality of life. Baseline (pre-tDCS), post-tDCS sessions (approx. week 6), Follow-up (1 month, 3 month)
Secondary EEG Late Positive Potential from Baseline The Late Positive Potential (LLP), also known as the Late Positive Wave, is an Event Related Potential (ERP) that is formed approximately 400 ms after exposure to a stimulus and continues until about 2 s after the exposure. Higher LPP amplitude has been shown to indicate a higher level of cocaine craving (Parvaz 2016). We will present images of cocaine-related tasks to subjects and measure the amplitude of the LPP using a 64-electrode EEG cap. We will compare the LPP amplitude at each testing session to baseline amplitude. Baseline (pre-tDCS), post-tDCS sessions (approx. week 6), Follow-up (1 month, 3 month)
Secondary Urine Test Analysis from Baseline Testing for the presence of cocaine in urine samples Baseline (pre-tDCS), post-tDCS sessions (approx. week 6), Follow-up (1 month, 3 month)
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