- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT02892851
Deep Brain Stimulation of the Sub-Thalamic Nucleus to Treat Severe and Treatment-resistant Cocaine Addiction. (STUC)
A Pilot Study of Deep Brain Stimulation of the Sub-thalamic Nucleus to Treat Treatment-resistant Cocaine Addiction With Severe Somatic or Psychiatric Complications
Cocaine addiction is a chronic condition with severe cardiac, neurologic, psychiatric and social complications. Cocaine is the second most consumed illicit drug in France. Its prevalence has been multiplied by 3 between 2000 and 2008, and is still on the rise. Craving, the compulsive need to consume, is a key feature of cocaine addiction. It is also predictive of treatment efficacy. However, there is no validated treatment for severe cocaine dependence yet. Response to current psychological and medical treatment is poor, with 73% relapse after 3 months. Patients with severe cocaine addiction are thus in a therapeutic deadlock.
To address these unmet medical needs, the investigators designed a pilot study (n=2) to evaluate the safety and the efficacy of the deep brain stimulation of the subthalamic nuclei (STN-DBS) in severe cocaine addiction with at least one cardiac, neurologic or psychiatric complication. Indeed, compulsivity is a critical component of craving, and severe treatment-resistant obsessive compulsive disorder (OCD) are already successfully treated using STN-DBS. Moreover, animal studies recently demonstrated a therapeutic effect of STN-DBS in rats addicted to cocaine. Together, these two lines of research suggest a therapeutic effect of STN-DBS in cocaine addiction mediated by an anti-obsessive mechanism on craving.
Study Overview
Status
Conditions
Intervention / Treatment
Study Type
Enrollment (Anticipated)
Phase
- Not Applicable
Contacts and Locations
Study Contact
- Name: Luc MALLET
- Phone Number: +33 (0)1 49 81 30 52
- Email: luc.mallet@inserm.fr
Study Contact Backup
- Name: Florence VORSPAN
- Phone Number: +33 (0) 1 40 05 44 17
- Email: florence.vorspan@aphp.fr
Study Locations
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-
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Creteil, France, 94010
- Recruiting
- Henri Mondor Hospital
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Contact:
- Philippe DOMENECH
- Phone Number: +33 (0) 1 49 81 22 03
- Email: philippe.domenech@aphp.fr
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Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
severe and resistant Cocaine Dependence for 5 years defined as:
- cocaine dependence (DSM IV),
- preferential use of cocaine in base form (crack or free-base) through smoke,
- non response to at least two well-conducted treatment with at least a stay in aftercare,
- severe physical complications (defined as a history of myocardial infarction, stroke).
- psychotic syndromes induced recurrent, severe lung disease "crack-lungs") occurred due to crack consumption and whose association with the crack use is known to the patient
- age between 30 and 55 years
- patient affiliated to a social security scheme
- patient signed an informed consent after receiving written information on the proposed procedure
Exclusion Criteria:
- a current opioid dependence will not be a criterion of non inclusion if the patient is undergoing substitution treatment (methadone or buprenorphine) and not injection of opiates for at least six months.
- patient trust
- pregnant, nursing or of childbearing potential without effective contraception
- current use of the intravenous route for the administration of the drugs is the risk of infection
- VIH infection or VHC unstabilized,
- cardiovascular and / or brain state is not compatible with the surgery,
other disorder on Axis I not linked to cocaine use except:
- current or past dependence to nicotine,
- abuse or dependence on other psychoactive substances over a lifetime in remission for more than 6 months,
- current opioid dependence: if the patient is undergoing substitution treatment (methadone or buprenorphine) and not injection of opiates for at least 6 months,
- when other psychiatric disorders induced by substances.
Study Plan
How is the study designed?
Design Details
- Primary Purpose: TREATMENT
- Allocation: NA
- Interventional Model: SINGLE_GROUP
- Masking: NONE
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Experimental: Deep brain stimulation (DBS)
Deep brain stimulation of the subthalamic nuclei (STN-DBS)
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3 phases :
Other Names:
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What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Time Frame |
---|---|
Evolution of the Obsessive Compulsive Cocaine Scale (OCCS) craving score
Time Frame: at month 6
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at month 6
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Secondary Outcome Measures
Outcome Measure |
Time Frame |
---|---|
Psychiatric assessment by standardized interview
Time Frame: Month -2, Month 2, Month 3, Month 3+15 days, Month 4+15days, Month 6, Month 7, Month 8, Month 9, Month10 (+1,5)
|
Month -2, Month 2, Month 3, Month 3+15 days, Month 4+15days, Month 6, Month 7, Month 8, Month 9, Month10 (+1,5)
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Cocaine Craving Questionnaire (CCQ) craving score
Time Frame: Month -2, Month 2 (1day), Month 2 (2nd day), Month 2 (3rd day), Month 3, Month 3+15 days, Month 4+15days, Month 6, Month 7, Month 8, Month 9, Month 10 (+1,5)
|
Month -2, Month 2 (1day), Month 2 (2nd day), Month 2 (3rd day), Month 3, Month 3+15 days, Month 4+15days, Month 6, Month 7, Month 8, Month 9, Month 10 (+1,5)
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Self assessed addiction criteria
Time Frame: Month -2, Month 2, Month 3, Month 3+15 days, Month 4+15days, Month 6, Month 7, Month 8, Month 9, Month10 (+1,5)
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Month -2, Month 2, Month 3, Month 3+15 days, Month 4+15days, Month 6, Month 7, Month 8, Month 9, Month10 (+1,5)
|
Urine screening assay for cocaine use / Urine Drug Screening
Time Frame: Month -2, Month 2, Month 3, Month 3+15 days, Month 4+15days, Month 6, Month 7, Month 8, Month 9, Month10 (+1,5)
|
Month -2, Month 2, Month 3, Month 3+15 days, Month 4+15days, Month 6, Month 7, Month 8, Month 9, Month10 (+1,5)
|
Capillary screening assay for cocaine use
Time Frame: Month -2, Month 4,5 and Month 10 (+1,5)
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Month -2, Month 4,5 and Month 10 (+1,5)
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Evolution of Global Assessment of Functioning scale (GAF)
Time Frame: Month -2, Month 2, Month 3, Month 3+15 days, Month 4+15days, Month 6, Month 7, Month 8, Month 9, Month10 (+1,5)
|
Month -2, Month 2, Month 3, Month 3+15 days, Month 4+15days, Month 6, Month 7, Month 8, Month 9, Month10 (+1,5)
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Collaborators and Investigators
Study record dates
Study Major Dates
Study Start
Primary Completion (Anticipated)
Study Completion (Anticipated)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Estimate)
Study Record Updates
Last Update Posted (Estimate)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Keywords
Additional Relevant MeSH Terms
Other Study ID Numbers
- P111014
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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