Substance AbuseNCT01320748
fMRI Study of a Dual Process Treatment Protocol With Substance Dependent Adults
A study testing Dual Processing and Relapse Prevention in people with Substance Abuse and Substance Dependence, run by Inova Health Care Services at 2 sites in United States.
Trial summary
The purpose of this study is to determine whether drug-dependent adults who participate in a dual processing relapse prevention treatment protocol that allows for sensory-based exposure experiences over 10-weeks in outpatient treatment will show significant brain change related to diminished cue reactivity, and… Read more about this study
- Who is it for?
- Ages 18 years and older
- Conditions the study is for
- Substance Abuse, Substance Dependence, Alcohol Abuse
- What is being tested?
- Dual Processing and Relapse Prevention
- Type of treatment
- Lifestyle or therapy programme
- Could I receive a placebo?
- No, everyone receives an active treatment
- How many people
- 29 participants
- Where
- 2 sitesUnited States
- Study dates
- Feb 2011to Jan 2013
- Phase
- Interventional
- Are there results?
- None posted in the registry
Key requirements
Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.
- Ages 18 years and older
- All sexes
- No healthy volunteers
- Adult, Older adult
Study Inclusion Criteria:
- Age < 18 years old
- Signed informed consent for this study
- History of chemical dependency
- Meets Inova CATS Relapse Prevention admission criteria
- Must have at least 60 days of sobriety prior to admission with documentation of negative drug and alcohol screening
- Documentation of HIV negative test result (completed in the past year)
- Willing and able to attend an out-patient drug treatment group for two hours twice a week for 10 weeks
- Willing to complete study-required evaluations (including assessments, questionnaires, drug/alcohol testing, week 8 qualitative interview)
- A score < 25 on the MoCA (Montreal Cognitive Assessment)
Study Exclusion Criteria:
- History of taking "anti-craving" medication in the past 90 days
- Other medical illness or florid psychiatric symptoms that would render the participant inappropriate for study participation
- History of receiving treatment for addictions other than substance use (i.e. food, gambling, sex)
- Clinical determination of dementia or organic brain syndrome
- History of major head injury
- Incapable of consenting for themselves due to cognitive impairment
- Enrollment in another study that might interfere with analysis of this study
Additional Inclusion Criteria for fMRI sub-study:
- Willing and able to participate in the fMRI arm of the study
- If of childbearing capacity, must have negative screening urine pregnancy test and be willing to use birth control as specified in the consent document
Additional Exclusion Criteria for fMRI sub-study:
- Left-handed
- Cardiac pacemakers or other body metals
- Other criteria identified on the "MRI Screening Form" that would indicate that having an MRI would be unsafe
- Pregnancy
- Claustrophobia (for the fMRI testing)
- Muscular or back problems that would prevent participant from being able to lie in the scanner for 90 minutes
Trial locations and contacts
2 sites in 1 country.
United States2 sites
Inova Heath Services Comprehensive Addictions Treatment Services (ICATS)
Falls Church, Virginia, 22042
Georgetown Center for Functional And Molecular Imaging, Georgetown University Medical Center
Washington D.C., District of Columbia, 22057
About this study
The purpose of this study is to determine whether drug-dependent adults who participate in a dual processing relapse prevention treatment protocol that allows for sensory-based exposure experiences over 10-weeks in outpatient treatment will show significant brain change related to diminished cue reactivity, and greater improvement in self-efficacy, anxiety, somatization, and treatment retention, as compared to the standard care patients in a relapse prevention program.
Read the detailed description
The substance abuse literature consistently shows that negative emotional states and subjective stress are highly predictive of relapse and significantly influence behavioral motivation. From a neurobiological perspective, stress associated with withdrawal and substance abuse experiences stimulates chemical and hormonal changes in the brain creating a protracted hyperaroused state. Further, cognitive control resources (i.e., cognitive coping skills/relapse prevention training) have been shown to exert minimal impact on behavioral decision-making in the presence of intense affective material. Thus, implicit cognitive processes play a significant role in drug use behavior, decreasing self regulation capacities and increasing risk of. Specifically, high levels of stress can compromise prefrontal cortex functioning, with the nucleus accumbens, orbitofrontal cortex and amygdala functional changes related to increased cue reactivity.
Taken together, the current literature strongly suggests that verbally-based therapies may have limited utility as a singular form of treatment in early substance abuse recovery, as the brain may not be functionally ready for executive level processing. Instead, the multidisciplinary substance abuse literature suggests that psychosocial treatment methods need to include a range of learning approaches that allow for visual-sensory processing, in addition to traditional verbal-based processing. Integrated multi-modal interventions are needed to offer opportunities for activation of these different brain regions to facilitate cognitive-affective balance in behavioral decision-making.
- Conditions
- Substance Abuse, Substance Dependence, Alcohol Abuse, Drug Use, Relapse
- Being tested
- Dual Processing, Relapse Prevention
- Keywords
- Abstinence from alcohol, Substance Abuse and Mental Health Services, Social Support, Psychosocial Support Systems, Psychological support, Cognitive Support, Emotional Support, Mental Support, Psychosocial Support, Intervention Studies, Prevention & control, Preventive therapy, Treatment, Therapy, Magnetic Resonance Imaging, fMRI, Imaging, Magnetic Resonance Imaging, Functional, MRI Scans, MRI, Functional
- Medical subject headings
- Substance-Related Disorders, Alcoholism, Recurrence
What participants receive
What participants receive. In a randomised study each person is assigned to one group by chance.
Dual ProcessingBehavioural
Also called Group Therapy, DP
A 10-week, 20-session program, which meets two times per week for 2 hours each time. It is a psychosocial intervention that combines a visual processing (structured drawing activities to engage in sensory-based cue exposure) and a verbal processing component (structured cognitive-behavioral therapy). The treatment focuses on sensory-based emotional expression and cognitive reappraisal and containment strategies that facilitate emotional regulation around a patient's drug and alcohol use experiences.
Relapse PreventionBehavioural
Also called Group Therapy, RP
The program's standard care outpatient program is a Relapse Prevention 10-week, 20-session, psychosocial intervention program, which meets two times per week for 2 hours each time. This RP program is based on Gorski's Relapse Prevention model and is a primarily didactic approach.
| Study group | Role | What they receive |
|---|---|---|
| Dual Processing | Experimental | Not described Receives: Behavioral: Dual Processing |
| Relapse Prevention | Active comparator | Not described Receives: Behavioral: Relapse Prevention |
What is being measured
The primary outcome is the main question the study is designed to answer.
fMRI blood-oxygenation-level-dependent (BOLD) signal change as a measure of emotional reactivity related to the visual presentation of drug-imagery.
In a subset of approximately 26 subjects, fMRI technology will be employed to examine brain structure and function change (pre-treatment and post-treatment) in the amygdaloid region, orbitofrontal cortex, in the anterior cingluate cortex (structure implicated in drug cue attention); in medial prefrontal cortex and right dorsolateral prefrontal cortex (associated with effective behavioral decision-making in substance abusers).
Measured: 10 weeks
Secondary outcomes (6)
Heart rate during MRI scanning as a measure of emotional reactivity related to the visual presentation of drug-imagery.
Changes in heart rate related to the visual presentation of drug-imagery during MRI scanning, to assess cue reactivity differences across the treatment and control groups at two time-points (pre-intervention and post-intervention).
Measured: 10 weeks
Quality of Life Inventory (QOLI) as a measure of the subject's quality of life.
Questionnaire completed by subjects at baseline and at the end of the study. We will measure changes in Overall QOLI score and Weighted Satisfaction Profile score at the two time-points (pre-intervention and post-intervention).
Measured: 10 weeks
Brief Symptoms Inventory (BSI), as a measure of subjective craving, anxiety, and somatization
Questionnaire completed by subjects at baseline and at the end of the study. We will measure changes in Nonpatient T Score and Percentile in the 12 domains at the two time-points (pre-intervention and post-intervention).
Measured: 10 weeks
Hamilton - Depression Inventory (HAM-D) as a measure of depression.
Questionnaire completed by subjects at baseline and at the end of the study. We will measure changes in the total Hamilton depression scale score at the two time-points (pre-intervention and post-intervention).
Measured: 10 weeks
Urine specimen toxicology analysis as a measure of treatment retention.
Urine specimen collection and analysis to track patient drug use on a weekly basis during the 10 weeks in treatment.
Measured: Weekly for 10 weeks
Blood Alcohol Level analysis as a measure of treatment retention.
Breathalizer test for alcohol to track patient alcohol use on a weekly basis during the 10 weeks in treatment.
Measured: Weekly for 10 weeks
Timeline
From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.
- First posted22 Mar 2011 (estimated)
- Study startFeb 2011
- Primary completionMar 2012
- Study completionJan 2013
Resources
- Official record on ClinicalTrials.govThe registry entry this page is built from, with its full change history.
- Publications (24)Papers the sponsor has linked to this study.
- Other trials for Substance AbuseStudies of the same condition, open and under way.
- What the trial phases meanHow a treatment moves from first tests in people to approval.
More details
For doctors and researchers: how the study is designed, who runs it, and its registry IDs.
Study design
- Study type
- Interventional
- Phase
- Phase N/A
- Primary purpose
- Treatment
- Allocation
- Randomised
- Intervention model
- Parallel groups
- Masking
- Single blind
- Who is masked
- Investigator
- Enrolment
- 29 participants (actual)
Sponsor and investigators
- Lead sponsor
- Inova Health Care Services
- Sponsor type
- University, hospital or other
- Collaborators
- George Mason University, Georgetown University
- Responsible party
- Principal investigator, Maria Hadjiyane, Inova Health Care Services
- Investigators
- Holly C Matto, PhD, Principal investigator, Virginia Commonwealth University, School of Social Work
IDs, dates and publications
- ClinicalTrials.gov ID
- NCT01320748
- Sponsor's protocol ID
- IHS 11-001
- Status last verified
- Nov 2018
- First submitted
- 7 Mar 2011
- Last updated
- 30 Nov 2018
- Results posted
- No
- Data monitoring committee
- No
Publications
Brewer JA, Potenza MN. The neurobiology and genetics of impulse control disorders: relationships to drug addictions. Biochem Pharmacol. 2008 Jan 1;75(1):63-75. doi: 10.1016/j.bcp.2007.06.043. Epub 2007 Jul 3.
PubMed 17719013Brewin CR. A cognitive neuroscience account of posttraumatic stress disorder and its treatment. Behav Res Ther. 2001 Apr;39(4):373-93. doi: 10.1016/s0005-7967(00)00087-5.
PubMed 11280338Brewin CR, Dalgleish T, Joseph S. A dual representation theory of posttraumatic stress disorder. Psychol Rev. 1996 Oct;103(4):670-86. doi: 10.1037/0033-295x.103.4.670.
PubMed 8888651Charney DS. Psychobiological mechanisms of resilience and vulnerability: implications for successful adaptation to extreme stress. Am J Psychiatry. 2004 Feb;161(2):195-216. doi: 10.1176/appi.ajp.161.2.195.
PubMed 14754765Chee MW, Sriram N, Soon CS, Lee KM. Dorsolateral prefrontal cortex and the implicit association of concepts and attributes. Neuroreport. 2000 Jan 17;11(1):135-40. doi: 10.1097/00001756-200001170-00027.
PubMed 10683845Childress AR, Ehrman RN, Wang Z, Li Y, Sciortino N, Hakun J, Jens W, Suh J, Listerud J, Marquez K, Franklin T, Langleben D, Detre J, O'Brien CP. Prelude to passion: limbic activation by "unseen" drug and sexual cues. PLoS One. 2008 Jan 30;3(1):e1506. doi: 10.1371/journal.pone.0001506.
PubMed 18231593Coffey SF, Stasiewicz PR, Hughes PM, Brimo ML. Trauma-focused imaginal exposure for individuals with comorbid posttraumatic stress disorder and alcohol dependence: revealing mechanisms of alcohol craving in a cue reactivity paradigm. Psychol Addict Behav. 2006 Dec;20(4):425-35. doi: 10.1037/0893-164X.20.4.425.
PubMed 17176177Fein G, Di Sclafani V, Meyerhoff DJ. Prefrontal cortical volume reduction associated with frontal cortex function deficit in 6-week abstinent crack-cocaine dependent men. Drug Alcohol Depend. 2002 Sep 1;68(1):87-93. doi: 10.1016/s0376-8716(02)00110-2.
PubMed 12167554Goldin PR, McRae K, Ramel W, Gross JJ. The neural bases of emotion regulation: reappraisal and suppression of negative emotion. Biol Psychiatry. 2008 Mar 15;63(6):577-86. doi: 10.1016/j.biopsych.2007.05.031. Epub 2007 Sep 21.
PubMed 17888411Goldstein M, Brendel G, Tuescher O, Pan H, Epstein J, Beutel M, Yang Y, Thomas K, Levy K, Silverman M, Clarkin J, Posner M, Kernberg O, Stern E, Silbersweig D. Neural substrates of the interaction of emotional stimulus processing and motor inhibitory control: an emotional linguistic go/no-go fMRI study. Neuroimage. 2007 Jul 1;36(3):1026-40. doi: 10.1016/j.neuroimage.2007.01.056. Epub 2007 Mar 12.
PubMed 17509899Goodman A. Neurobiology of addiction. An integrative review. Biochem Pharmacol. 2008 Jan 1;75(1):266-322. doi: 10.1016/j.bcp.2007.07.030. Epub 2007 Jul 27.
PubMed 17764663Houben K, Schoenmakers TM, Wiers RW. I didn't feel like drinking but I don't know why: the effects of evaluative conditioning on alcohol-related attitudes, craving and behavior. Addict Behav. 2010 Dec;35(12):1161-3. doi: 10.1016/j.addbeh.2010.08.012. Epub 2010 Aug 11.
PubMed 20810220Koob GF. The neurobiology of addiction: a neuroadaptational view relevant for diagnosis. Addiction. 2006 Sep;101 Suppl 1:23-30. doi: 10.1111/j.1360-0443.2006.01586.x.
PubMed 16930158Matto HC, Strolin-Goltzman J. Integrating social neuroscience and social work: innovations for advancing practice-based research. Soc Work. 2010 Apr;55(2):147-56. doi: 10.1093/sw/55.2.147.
PubMed 20408356Matto HC, Strolin JS, Mogro-Wilson C. A pilot study of a dual processing substance user treatment intervention with adults. Subst Use Misuse. 2008;43(3-4):285-94. doi: 10.1080/00952990701202848.
PubMed 18365931
Study at a glance
From the registry record, last updated by the sponsor on 30 Nov 2018. Recruitment status is as the sponsor reported it: confirm with the study team.
- Official title
- fMRI Study of a Dual Process Treatment Protocol With Substance Dependent Adults
- ClinicalTrials.gov ID
- NCT01320748
- Acronym / sponsor ID
- IHS 11-001
- Conditions
- Substance Abuse, Substance Dependence, Alcohol Abuse, Drug Use, Relapse
- Keywords
- Abstinence from alcohol, Substance Abuse and Mental Health Services, Social Support, Psychosocial Support Systems, Psychological support, Cognitive Support, Emotional Support, Mental Support
- Study type
- Interventional
- Recruitment status
- Completed
- Enrolment
- 29 participants (actual)
- Lead sponsor
- Inova Health Care ServicesUniversity, hospital or other
- Collaborators
- George Mason University, Georgetown University
- Study start
- Feb 2011
- Primary completion
- Mar 2012 (actual)
- Study completion
- Jan 2013 (actual)
- First posted
- 22 Mar 2011 (estimated)
- Results
- Not posted in the source record
Clinical summary
The research question as the sponsor registered it. This describes what the study plans to test, not what it found.
The purpose of this study is to determine whether drug-dependent adults who participate in a dual processing relapse prevention treatment protocol that allows for sensory-based exposure experiences over 10-weeks in outpatient treatment will show significant brain change related to diminished cue reactivity, and greater improvement in self-efficacy, anxiety, somatization, and treatment retention, as compared to the standard care patients in a relapse prevention program.
Detailed description
The substance abuse literature consistently shows that negative emotional states and subjective stress are highly predictive of relapse and significantly influence behavioral motivation. From a neurobiological perspective, stress associated with withdrawal and substance abuse experiences stimulates chemical and hormonal changes in the brain creating a protracted hyperaroused state. Further, cognitive control resources (i.e., cognitive coping skills/relapse prevention training) have been shown to exert minimal impact on behavioral decision-making in the presence of intense affective material. Thus, implicit cognitive processes play a significant role in drug use behavior, decreasing self regulation capacities and increasing risk of. Specifically, high levels of stress can compromise prefrontal cortex functioning, with the nucleus accumbens, orbitofrontal cortex and amygdala functional changes related to increased cue reactivity.
Taken together, the current literature strongly suggests that verbally-based therapies may have limited utility as a singular form of treatment in early substance abuse recovery, as the brain may not be functionally ready for executive level processing. Instead, the multidisciplinary substance abuse literature suggests that psychosocial treatment methods need to include a range of learning approaches that allow for visual-sensory processing, in addition to traditional verbal-based processing. Integrated multi-modal interventions are needed to offer opportunities for activation of these different brain regions to facilitate cognitive-affective balance in behavioral decision-making.
Study design
- Primary purpose
- Treatment
- Allocation
- Randomised
- Intervention model
- Parallel groups
- Masking
- Single blind (investigator)
- Number of arms
- 2
| Arm | Type | Receives |
|---|---|---|
| Dual Processing | Experimental | Behavioral: Dual Processing |
| Relapse Prevention | Active comparator | Behavioral: Relapse Prevention |
Who may qualify
- Ages
- 18 years and older
- Sex
- All
- Healthy volunteers
- Not accepted
- Age groups
- Adult, Older adult
Eligibility is decided by the study team after screening; this overview does not establish that a patient qualifies. Full inclusion and exclusion criteria.
Interventions
| Intervention | Type | Arms |
|---|---|---|
| Dual ProcessingAlso: Group Therapy, DPA 10-week, 20-session program, which meets two times per week for 2 hours each time. It is a psychosocial intervention that combines a visual processing (structured drawing activities to engage in sensory-based cue exposure) and a verbal processing component (structured cognitive-behavioral therapy). The treatment focuses on sensory-based emotional expression and cognitive reappraisal and containment strategies that facilitate emotional regulation around a patient's drug and alcohol use experiences. | Behavioural | Dual Processing |
| Relapse PreventionAlso: Group Therapy, RPThe program's standard care outpatient program is a Relapse Prevention 10-week, 20-session, psychosocial intervention program, which meets two times per week for 2 hours each time. This RP program is based on Gorski's Relapse Prevention model and is a primarily didactic approach. | Behavioural | Relapse Prevention |
Primary outcome
fMRI blood-oxygenation-level-dependent (BOLD) signal change as a measure of emotional reactivity related to the visual presentation of drug-imagery.
Time frame: 10 weeks
In a subset of approximately 26 subjects, fMRI technology will be employed to examine brain structure and function change (pre-treatment and post-treatment) in the amygdaloid region, orbitofrontal cortex, in the anterior cingluate cortex (structure implicated in drug cue attention); in medial prefrontal cortex and right dorsolateral prefrontal cortex (associated with effective behavioral decision-making in substance abusers).
6 secondary outcomes
Heart rate during MRI scanning as a measure of emotional reactivity related to the visual presentation of drug-imagery.
Time frame: 10 weeks
Quality of Life Inventory (QOLI) as a measure of the subject's quality of life.
Time frame: 10 weeks
Brief Symptoms Inventory (BSI), as a measure of subjective craving, anxiety, and somatization
Time frame: 10 weeks
Hamilton - Depression Inventory (HAM-D) as a measure of depression.
Time frame: 10 weeks
Urine specimen toxicology analysis as a measure of treatment retention.
Time frame: Weekly for 10 weeks
Blood Alcohol Level analysis as a measure of treatment retention.
Time frame: Weekly for 10 weeks
Results and safety
The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.
Research links
- Official record on ClinicalTrials.govLast updated by the sponsor 30 Nov 2018.
- Background: PubMed 17719013Brewer JA, Potenza MN. The neurobiology and genetics of impulse control disorders: relationships to drug addictions. Biochem Pharmacol. 2008 Jan 1;75(1):63-75. doi: 10.1016/j.bcp.2007.06.043. Epub 2007 Jul 3.
- Background: PubMed 11280338Brewin CR. A cognitive neuroscience account of posttraumatic stress disorder and its treatment. Behav Res Ther. 2001 Apr;39(4):373-93. doi: 10.1016/s0005-7967(00)00087-5.
- Background: PubMed 8888651Brewin CR, Dalgleish T, Joseph S. A dual representation theory of posttraumatic stress disorder. Psychol Rev. 1996 Oct;103(4):670-86. doi: 10.1037/0033-295x.103.4.670.
- Background: PubMed 14754765Charney DS. Psychobiological mechanisms of resilience and vulnerability: implications for successful adaptation to extreme stress. Am J Psychiatry. 2004 Feb;161(2):195-216. doi: 10.1176/appi.ajp.161.2.195.
- Background: PubMed 10683845Chee MW, Sriram N, Soon CS, Lee KM. Dorsolateral prefrontal cortex and the implicit association of concepts and attributes. Neuroreport. 2000 Jan 17;11(1):135-40. doi: 10.1097/00001756-200001170-00027.
- Background: PubMed 18231593Childress AR, Ehrman RN, Wang Z, Li Y, Sciortino N, Hakun J, Jens W, Suh J, Listerud J, Marquez K, Franklin T, Langleben D, Detre J, O'Brien CP. Prelude to passion: limbic activation by "unseen" drug and sexual cues. PLoS One. 2008 Jan 30;3(1):e1506. doi: 10.1371/journal.pone.0001506.
- Background: PubMed 17176177Coffey SF, Stasiewicz PR, Hughes PM, Brimo ML. Trauma-focused imaginal exposure for individuals with comorbid posttraumatic stress disorder and alcohol dependence: revealing mechanisms of alcohol craving in a cue reactivity paradigm. Psychol Addict Behav. 2006 Dec;20(4):425-35. doi: 10.1037/0893-164X.20.4.425.
- Background: PubMed 12167554Fein G, Di Sclafani V, Meyerhoff DJ. Prefrontal cortical volume reduction associated with frontal cortex function deficit in 6-week abstinent crack-cocaine dependent men. Drug Alcohol Depend. 2002 Sep 1;68(1):87-93. doi: 10.1016/s0376-8716(02)00110-2.
- Background: PubMed 17888411Goldin PR, McRae K, Ramel W, Gross JJ. The neural bases of emotion regulation: reappraisal and suppression of negative emotion. Biol Psychiatry. 2008 Mar 15;63(6):577-86. doi: 10.1016/j.biopsych.2007.05.031. Epub 2007 Sep 21.
- Background: PubMed 17509899Goldstein M, Brendel G, Tuescher O, Pan H, Epstein J, Beutel M, Yang Y, Thomas K, Levy K, Silverman M, Clarkin J, Posner M, Kernberg O, Stern E, Silbersweig D. Neural substrates of the interaction of emotional stimulus processing and motor inhibitory control: an emotional linguistic go/no-go fMRI study. Neuroimage. 2007 Jul 1;36(3):1026-40. doi: 10.1016/j.neuroimage.2007.01.056. Epub 2007 Mar 12.
- Background: PubMed 17764663Goodman A. Neurobiology of addiction. An integrative review. Biochem Pharmacol. 2008 Jan 1;75(1):266-322. doi: 10.1016/j.bcp.2007.07.030. Epub 2007 Jul 27.
- Background: PubMed 20810220Houben K, Schoenmakers TM, Wiers RW. I didn't feel like drinking but I don't know why: the effects of evaluative conditioning on alcohol-related attitudes, craving and behavior. Addict Behav. 2010 Dec;35(12):1161-3. doi: 10.1016/j.addbeh.2010.08.012. Epub 2010 Aug 11.
- Inova Health System, Comprehensive Addiction Treatment Services (CATS)Link provided by the sponsor.
- Substance Abuse and Mental Health Services AdministrationLink provided by the sponsor.
- National Institute on Drug AbuseLink provided by the sponsor.
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Referral and contact
AzTrials does not enrol participants or take referrals. Contact the study team or a site listed below; they decide who can take part. This study is not recruiting at the moment.
Holly C Matto, PhD principal investigator
Virginia Commonwealth University, School of Social Work
2 sites in 1 country: see every site and its status.
Questions about this trial
What is this clinical trial studying?
A study testing Dual Processing and Relapse Prevention in people with Substance Abuse and Substance Dependence, run by Inova Health Care Services at 2 sites in United States.
The full registered description is in the About this study section and the official record.
Who may be eligible to take part?
Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.
Is this clinical trial currently recruiting?
The record says: finished, as of the sponsor's last update on 30 Nov 2018. Status can change between updates, so confirm with the study contact before making plans.
Where is the study taking place?
The record lists 2 sites in United States. Whether a site is taking part right now should be confirmed with that site. See every site.
What are the possible benefits and risks?
They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.
Are results available for this study?
The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.
How can a doctor refer a patient or contact the research team?
The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.
What does the primary outcome measure?
fMRI blood-oxygenation-level-dependent (BOLD) signal change as a measure of emotional reactivity related to the visual presentation of drug-imagery. (time frame: 10 weeks). It is what the study was designed to measure, not a finding.
Where can I read the original study information?
On the ClinicalTrials.gov record for NCT01320748, which also lists 24 linked publications.
Does a listing mean the treatment is approved or proven to work?
No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.
How often is this information updated?
AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 30 Nov 2018.