- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT00687609
Pilot Evaluation of Atomoxetine on Attention Deficit Hyperactivity Disorder (ADHD) Symptoms in Adolescents With Cannabis abusE (PEACE)
August 18, 2010 updated by: Eli Lilly and Company
An Open Label Pilot Study of Atomoxetine Hydrochloride in Adolescents With Attention Deficit/Hyperactivity Disorder and Comorbid Cannabis Abuse.
The purpose of this study is to determine whether atomoxetine is effective in reducing ADHD (Attention Deficit/Hyperactivity Disorder) symptoms in adolescents with ADHD and comorbid cannabis abuse.
Study Overview
Status
Terminated
Intervention / Treatment
Detailed Description
In the past adolescents with cannabis abuse have been excluded from studies in which atomoxetine for ADHD symptoms was studied.
In this study the efficacy of atomoxetine on symptoms of ADHD in adolescents with ADHD and comorbid cannabis abuse will be studied.
Study Type
Interventional
Enrollment (Actual)
7
Phase
- Phase 4
Contacts and Locations
This section provides the contact details for those conducting the study, and information on where this study is being conducted.
Study Locations
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Den Haag, Netherlands, 2566 ER
- For additional information regarding investigative sites for this trial, contact 1-877-CTLILLY (1-877-285-4559, 1-317-615-4559) Mon - Fri from 9 AM to 5 PM Eastern Time (UTC/GMT - 5 hours, EST), or speak with your personal physician.
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Participation Criteria
Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.
Eligibility Criteria
Ages Eligible for Study
13 years to 17 years (Child)
Accepts Healthy Volunteers
No
Genders Eligible for Study
All
Description
Inclusion Criteria:
- Diagnosis ADHD based on the Diagnostic and Statistical Manual of Mental Disorders (DSM-IV-TR)
- At least 1.5 standard deviations above the age norm for their diagnostic subtype using published norms for the ADHD Rating Scale-IV-Parent Version
- Cannabis Abuse or dependence based on the DSM-IV-TR, and using a minimum of 5 joints per week
Exclusion Criteria:
- Weight under 20 kilograms (kg)
- Patients at serious suicidal risk
- Patients with alcohol or drug abuse (other than cannabis)
- Patients who in the investigator's judgement are likely to need psychotropic medication + psychotherapy apart from atomoxetine
Study Plan
This section provides details of the study plan, including how the study is designed and what the study is measuring.
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: N/A
- Interventional Model: Single Group Assignment
- Masking: None (Open Label)
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
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Experimental: Atomoxetine
0.5 milligrams per kilogram (mg/kg) daily for 1 week followed by 1.2 mg/kg daily for 11 weeks, orally, capsules.
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0.5 milligrams per kilogram (mg/kg) daily for 1 week followed by 1.2 mg/kg daily for 11 weeks, orally, capsules.
Other Names:
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What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
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Attention Deficit Hyperactivity Disorder (ADHD) Rating Scale-IV-Parent Version: Investigator Scored Total Score at 12 Weeks
Time Frame: 12 weeks
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Measures the 18 symptoms contained in the Diagnostic and Statistical Manual of Mental Disorders Fourth Edition, Text Revision (DSM-IV-TR) diagnosis of Attention-Deficit/Hyperactivity Disorder.
Individual item scores range from 0 (none/never or rarely) to 3 (severe/very often).
Total scores range from 0 to 54.
Higher scores indicate greater impairment.
The scale is scored by an investigator while interviewing the parent.
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12 weeks
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Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Clinical Global Impression-ADHD-Improvement (CGI-ADHD-I) at 12 Weeks
Time Frame: 12 weeks
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Measures total improvement (or worsening) of a patient's ADHD symptoms from the beginning of treatment.
(1=very much improved, 7=very much worsened)
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12 weeks
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Change From Baseline to 12 Weeks in Global Impression of Perceived Difficulties (GIPD) - Participant Rated Version
Time Frame: Baseline, 12 weeks
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The Global Impression of Perceived Difficulties (GIPD) scale is a five-item rating of ADHD-related difficulties.
For each item, difficulties during the past week are rated on a 7 point scale (1=normal, not difficult at all; 7= extremely difficult).
The GIPD total score is the sum of all subscores (items) and ranges from 5 to 35.
Higher scores indicate greater impairment.
The scale is completed by the participant.
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Baseline, 12 weeks
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Change From Baseline to 12 Weeks in the Children's Depression Rating Scale-Revised (CDRS-R)
Time Frame: Baseline, 12 weeks
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Measures presence and severity of depression.
Consists of 17 items scored on a 1-5 or 1-7 scale (1 = no symptom difficulties; 5 or 7 = severe clinically significant difficulties) A rating of 1 indicates normal, thus the minimum score is 17.
The maximum score is 113.
In general, scores below 20 indicate an absence of depression; scores of 20 or 30 indicate borderline depression; scores of 40 to 60 indicate moderate depression.
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Baseline, 12 weeks
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Change From Baseline to 12 Weeks in the Pediatric Anxiety Rating Scale (PARS)
Time Frame: Baseline, 12 weeks
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The Pediatric Anxiety Rating Scale (PARS) is used to rate the severity of anxiety in children and adolescents, ages 6 to 17 years.
The total score for the PARS is derived by summing 5 of the 7 severity/impairment/interference items (2,3,5,6,7).
The total score ranges from 0 (none) to 25 (extreme severity).
Items 1 (overall number of anxiety symptoms) and 4 (overall severity of physical symptoms) are not included in the total score calculation.
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Baseline, 12 weeks
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Change From Baseline to 12 Weeks in the Marijuana Craving Questionnaire (MCQ)
Time Frame: Baseline, 12 weeks
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The MCQ is a 12-item self-rated questionnaire to assess cannabis craving with 4 factors: compulsivity (an inability to control marijuana use), emotionality (use of marijuana in anticipation of relief from withdrawal/negative mood), expectancy (anticipation of positive outcomes from smoking marijuana) and purposefulness (intention and planning to use marijuana for positive outcomes).
Scores are calculated on a 7-point scale (1=strongly disagree; 7=strongly agree).
A separate score is calculated for each factor; scores range from 3-21 each with higher scores indicating greater craving.
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Baseline, 12 weeks
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Change From Baseline in Neurocognitive Functioning as Measured at 12 Weeks by a Test Battery: Stop-Signal Task
Time Frame: Baseline, 12 weeks
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Consists of 2 types of trials: go trials and stop trials.
Go trials require participants to locate the position of an aircraft displayed to the left or right of a fixation point on a computer screen by pressing a left or right button.
In 25% of the go stimili an additional stop stimulus (auditory signal) is presented shortly after the go stimulus.
Participant then needs to inhibit their response.
By varying the time period between go and stop stimulus, 50% of the trials are inhibited successfully, 50% not.
The latency of inhibition is estimated.
This task takes about 25 minutes.
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Baseline, 12 weeks
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Change From Baseline in Neurocognitive Functioning as Measured at 12 Weeks by a Test Battery: Contingency Task
Time Frame: Baseline, 12 weeks
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For the Contingency Task participants estimate the duration of a time interval of 1 second by pushing a button.
Responses that are within a dynamic time interval are being classified as correct.
This way, 50 % of the responses are correct, 50% incorrect.
Three contingency conditions: neutral, reward and response cost.
The performance of this task takes about 15 minutes.
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Baseline, 12 weeks
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Change From Baseline in Neurocognitive Functioning as Measured at 12 Weeks by a Test Battery: Time Reproduction Task
Time Frame: Baseline, 12 weeks
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For the Time Reproduction Task participants need to reproduce the duration of a visual stimulus (lightbulb) by pressing a button.
The intervals vary between 2 - 20 seconds.
The performance of this task takes about 15 minutes.
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Baseline, 12 weeks
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C-SSRS Suicidal Ideation By Visit at Week 4: Non-Specific Active Suicidal Thoughts
Time Frame: Week 4
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Solicits suicide-related information with structured questioning.
Scale consists of 28 items in 4 sections: suicide behavior, actual attempts, suicidal ideation, intensity of ideation.
Suicidal ideation consists of 5 yes/no items: wish to be dead, non-specific active suicidal thoughts, active suicidal ideation with any methods (not plan) without intention to act, active suicidal ideation with some intent to act without specific plan, active suicidal ideation with specific plan and intent.
Only items with yes responses at a given week are listed.
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Week 4
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C-SSRS Intensity of Ideation (Most Common Ideation Type and Most Severe Ideation Type) By Visit at Week 4
Time Frame: Week 4
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Participants rate most common and most severe ideation type by frequency (1=<once per week/5=many times/day), duration (1=fleeting/5=>8 times per hour persistent, continuous), controllability (1=easily able to control thoughts/8=no attempt), deterrents to active attempts (1=deterrent definitely stopped you/8=N/A, wish to die only), and reason for ideation (1=completely for attention/revenge/reaction/5=completely to stop the pain).
Only items with yes responses at a given week are listed.
A participant could have a yes response in more than one item.
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Week 4
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Collaborators and Investigators
This is where you will find people and organizations involved with this study.
Sponsor
Publications and helpful links
The person responsible for entering information about the study voluntarily provides these publications. These may be about anything related to the study.
Helpful Links
Study record dates
These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.
Study Major Dates
Study Start
September 1, 2008
Primary Completion (Actual)
June 1, 2009
Study Completion (Actual)
June 1, 2009
Study Registration Dates
First Submitted
May 28, 2008
First Submitted That Met QC Criteria
May 30, 2008
First Posted (Estimate)
June 2, 2008
Study Record Updates
Last Update Posted (Estimate)
August 24, 2010
Last Update Submitted That Met QC Criteria
August 18, 2010
Last Verified
August 1, 2010
More Information
Terms related to this study
Keywords
Additional Relevant MeSH Terms
- Mental Disorders
- Chemically-Induced Disorders
- Pathologic Processes
- Nervous System Diseases
- Substance-Related Disorders
- Neurologic Manifestations
- Dyskinesias
- Attention Deficit and Disruptive Behavior Disorders
- Neurodevelopmental Disorders
- Disease
- Marijuana Abuse
- Attention Deficit Disorder with Hyperactivity
- Hyperkinesis
- Physiological Effects of Drugs
- Adrenergic Agents
- Neurotransmitter Agents
- Molecular Mechanisms of Pharmacological Action
- Neurotransmitter Uptake Inhibitors
- Membrane Transport Modulators
- Adrenergic Uptake Inhibitors
- Atomoxetine Hydrochloride
Other Study ID Numbers
- 12382 (Other Identifier: Stanford-IRB)
- B4Z-UT-LYEL (Other Identifier: Eli Lilly and Company)
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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