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Clinical Trial Details — Status: Terminated

Administrative data

NCT number NCT00687609
Other study ID # 12382
Secondary ID B4Z-UT-LYEL
Status Terminated
Phase Phase 4
First received May 28, 2008
Last updated August 18, 2010
Start date September 2008
Est. completion date June 2009

Study information

Verified date August 2010
Source Eli Lilly and Company
Contact n/a
Is FDA regulated No
Health authority Netherlands: The Central Committee on Research Involving Human Subjects (CCMO)
Study type Interventional

Clinical Trial Summary

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.


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.


Recruitment information / eligibility

Status Terminated
Enrollment 7
Est. completion date June 2009
Est. primary completion date June 2009
Accepts healthy volunteers No
Gender Both
Age group 13 Years to 17 Years
Eligibility 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 Design

Endpoint Classification: Efficacy Study, Intervention Model: Single Group Assignment, Masking: Open Label, Primary Purpose: Treatment


Related Conditions & MeSH terms


Intervention

Drug:
Atomoxetine
0.5 milligrams per kilogram (mg/kg) daily for 1 week followed by 1.2 mg/kg daily for 11 weeks, orally, capsules.

Locations

Country Name City State
Netherlands 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. Den Haag

Sponsors (1)

Lead Sponsor Collaborator
Eli Lilly and Company

Country where clinical trial is conducted

Netherlands, 

Outcome

Type Measure Description Time frame Safety issue
Primary Attention Deficit Hyperactivity Disorder (ADHD) Rating Scale-IV-Parent Version: Investigator Scored Total Score at 12 Weeks 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. 12 weeks No
Secondary Clinical Global Impression-ADHD-Improvement (CGI-ADHD-I) at 12 Weeks Measures total improvement (or worsening) of a patient's ADHD symptoms from the beginning of treatment. (1=very much improved, 7=very much worsened) 12 weeks No
Secondary Change From Baseline to 12 Weeks in Global Impression of Perceived Difficulties (GIPD) - Participant Rated Version 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. Baseline, 12 weeks No
Secondary Change From Baseline to 12 Weeks in the Children's Depression Rating Scale-Revised (CDRS-R) 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. Baseline, 12 weeks No
Secondary Change From Baseline to 12 Weeks in the Pediatric Anxiety Rating Scale (PARS) 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. Baseline, 12 weeks No
Secondary Change From Baseline to 12 Weeks in the Marijuana Craving Questionnaire (MCQ) 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. Baseline, 12 weeks No
Secondary Change From Baseline in Neurocognitive Functioning as Measured at 12 Weeks by a Test Battery: Stop-Signal Task 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. Baseline, 12 weeks No
Secondary Change From Baseline in Neurocognitive Functioning as Measured at 12 Weeks by a Test Battery: Contingency Task 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. Baseline, 12 weeks No
Secondary Change From Baseline in Neurocognitive Functioning as Measured at 12 Weeks by a Test Battery: Time Reproduction Task 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. Baseline, 12 weeks No
Secondary C-SSRS Suicidal Ideation By Visit at Week 4: Non-Specific Active Suicidal Thoughts 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. Week 4 Yes
Secondary C-SSRS Intensity of Ideation (Most Common Ideation Type and Most Severe Ideation Type) By Visit at Week 4 Participants rate most common and most severe ideation type by frequency (1= Week 4 Yes
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