- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT00628394
Treating Cognition in Schizophrenia With Atomoxetine and Cognitive Remediation
Cognitive Treatments in Schizophrenia
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
Persons with schizophrenia in a stable and residual antipsychotic- treated clinical condition for at least 8 weeks will be recruited from several public mental health treatment settings into the UTSW Schizophrenia Research Clinic. Each volunteer will receive information about the protocol and its risks and benefits. If they give their informed consent after a full opportunity to learn about the details of the study, they will be allowed to proceed. All recruits will have been treated with optimal dosing of any 2nd generation antipsychotic drug (APD-2) and will have been clinically stable with respect to psychotic symptoms for at least 6 weeks prior to randomization, and on a stable dose of the medication for at least 2 weeks. All eligible volunteers will receive a routine medical assessment and psychiatric diagnostic work-up including the SCID and a consensus diagnosis by two experienced clinicians based on all available data, prior to the randomization. Just prior to randomization, the following sets of assessments will be performed: (1) Medical: Physical Examination, Clinical Chemistries, EKG, urinalysis, weight, and vital signs; (2) Symptomatic: general psychiatric symptom assessment, including the scores on the PANSS, Psychosis Change Scale, and CGI; (3) Cognitive: standard neuropsychometric test battery and surrogate psychosocial tests; all of the assessment batteries will be repeated at the end of the 12-week treatment period, and repeated again at the end of the three month follow-up period (at 6 months from study start). Clinical symptom scales, weight, and vital signs will be repeated at weeks 4, 8, 12, 16 , and 24 during the study.
The schizophrenia volunteers will be randomized into four treatment groups: (1) atomoxetine plus cognitive remediation; (2) atomoxetine plus remediation control; (3) placebo plus cognitive remediation; and (4) placebo plus remediation control. Atomoxetine or matching placebo will be administered at a dose of 40mg bid (80mg/day) or the placebo equivalent. The remediation sequence will last for 60 minutes and will be administered three times weekly; the remediation control will be administered on the same schedule and for the same duration. Because the volunteers attend the clinic so regularly, we will have an opportunity to track their progress, monitor medication adherence, and optimize study participation.
Then, each volunteer will be followed up while taking their blinded study medications, but without any more remediation/control sessions, for the next 3 months. Psychiatric rating scales will be completed the following times, relative to the blinded randomization: baseline, 1, 2, 3, 4, 5, 6 months, whereas the neuropsychological battery will be completed at baseline and at 3 and 6 months.
Study Type
Enrollment (Actual)
Phase
- Phase 4
Contacts and Locations
Study Locations
-
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Texas
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Dallas, Texas, United States, 75390
- The University of Texas Southwestern Medical Center
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Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- DSM-IV diagnosis of schizophrenia or schizoaffective disorder.
- Males and females.
- Ages 18-60 years old.
- All races and ethnicities.
Exclusion Criteria:
- Diagnosis of an organic brain disease.
- Diagnosis of DSM-IV alcohol or substance abuse within the last month or DSM-IV alcohol or substance dependence within the last 3 months.
- Meet criteria for primary negative symptoms, established by clinical judgment.
- Current or past history of clozapine treatment for antipsychotic non-response.
- Patients hospitalized in a psychiatric hospital within the previous 30 days.
- Patients with an unstable medical condition, as determined by the Investigator
- Colorblindness
- Concurrent treatment with electroconvulsive therapy or psychotherapy.
- Pregnant women.
Must be able to read, speak, and understand English.
- We do not have the resources necessary to properly study non-English speaking patients in this study. The computer software used for cognitive remediation and some clinical assessments are only available in English. The need to provide such resources in foreign languages would be prohibitive to the successful completion of the study.
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: Randomized
- Interventional Model: Parallel Assignment
- Masking: Double
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Other: Atomox/CR
Patients are given the drug Atomoxetine and Cognitive Remediation training.
|
40mg 2po qam
Other Names:
|
Other: Atomox/Control
Patients are given the drug Atomoxetine and Remediation Control training.
|
40mg 2po qam
Other Names:
|
Other: Placebo/CR
Patients are given a Placebo and Cognitive Remediation training.
|
40mg 2po qam
Other Names:
|
Other: Placebo/Control
Patients are given Placebo and Remediation Control training.
|
40mg 2po qam
Other Names:
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Neuropsychological Measures for MATRICS
Time Frame: 12 weeks
|
Gordon Continuous Performance Test - Distractibility Version The test is designed assess a person's executive functioning by testing their ability to maintain their focus over a period of time.
They are intended to respond to a series of targets or inhibit their responses to a variety of foils.
They are mainly assessed for their omissions and commissions.
The omission and commission errors assess the person's ability to screen out extraneous stimuli while responding correctly and inhibiting incorrect responding.
This means lower scores are better.
The scale is 0-126.
|
12 weeks
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Clinical Outcomes
Time Frame: 12 weeks
|
Birchwood Social Function Scale (SFS) This scale is given to determine a person's ability to function independently and in social settings without difficulty.
It assesses a variety of settings with independent subscales (whose scores vary in range) but in which the higher score is always better.
These subscales (Withdrawal/Social Engagement; Interpersonal Communication; Independence-Performance; Independence-Competence; Recreation; Prosocial; and, Employment/Occupation) are combined and developed into a mean score.
These scores range from 0-32.
|
12 weeks
|
Collaborators and Investigators
Study record dates
Study Major Dates
Study Start
Primary Completion (Actual)
Study Completion (Actual)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Estimate)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
- Mental Disorders
- Schizophrenia Spectrum and Other Psychotic Disorders
- Schizophrenia
- 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
- 0803-476
- 1R34MH075863-01A2 (U.S. NIH Grant/Contract)
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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