HIV Clinical Trial
Official title:
Cognitive Training to Reduce Impulsivity in HIV-infected Cocaine Users
Verified date | October 2019 |
Source | Duke University |
Contact | n/a |
Is FDA regulated | No |
Health authority | |
Study type | Interventional |
The purpose of this study is to examine the effects of a cognitive training program in persons with Human Immunodeficiency Virus (HIV) infection who have used cocaine. This study tests the feasibility and preliminary efficacy of a computerized cognitive training program to improve working memory and decrease impulsivity (delay discounting) among HIV-infected individuals.
Status | Completed |
Enrollment | 58 |
Est. completion date | February 23, 2019 |
Est. primary completion date | February 23, 2019 |
Accepts healthy volunteers | No |
Gender | All |
Age group | 18 Years to 60 Years |
Eligibility |
Inclusion Criteria: - HIV infection - currently on antiretroviral medications for >3 months - cocaine use as defined by crack/cocaine use in the past month, cocaine-type stimulant use disorder, and cocaine as the principal substance of abuse - working memory impairment as defined by scoring >1 standard deviation below the normative mean on at least 2 out of the 3 working memory tests Exclusion Criteria: - pregnancy - English non-fluency or illiteracy - <8th grade education - serious neurological disorders including HIV dementia, traumatic brain injury, severe mental illness, or acute psychiatric distress - impaired mental status - individuals who state they are planning to move away from the area within the next 3 months - individuals without stable housing |
Country | Name | City | State |
---|---|---|---|
United States | Duke University Medical Center | Durham | North Carolina |
Lead Sponsor | Collaborator |
---|---|
Duke University |
United States,
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Primary | Working Memory Assessed by Domain Deficit Score | Measured by domain deficit score, which is a continuous measure of overall impairment on the domain. 0 means no impairment and 5 means highest possible impairment. | Baseline; post-training, approximately 8 weeks | |
Secondary | Delay Discounting, Measured by the Monetary Choice Questionnaire (MCQ) | The Monetary Choice Questionnaire (MCQ) is a standardized delay discounting task. Because scores are on a logarithmic scale, they were rank ordered for analysis. Ranks range from 1 to 13, with higher ranks meaning higher impulsivity. | Baseline; post-training, approximately 8 weeks | |
Secondary | Acceptability as Measured by Participant Ratings | Participants rated how satisfied they found the intervention on a 5 point scale (with 1 being very dissatisfied and 5 being very satisfied). Acceptability was defined a priori of achieving a mean rating of >3.5 on the 5 point scale. | Post-training, approximately 8 weeks | |
Secondary | Acceptability as Measured by Participant Perception of Benefits and Barriers to Completing Sessions | Participants rated how helpful they found the intervention on a 5 point scale (with 1 being very unhelpful and 5 being very helpful). Acceptability was defined a priori of achieving a mean rating of >3.5 on the 5 point scale for helpfulness. | Post-training, approximately 8 weeks | |
Secondary | Percent Medication Adherence Across All Antiretroviral Medications | 0% indicates no doses of medications were taken, and 100% means all doses were taken. | Baseline; post-training, approximately 8 weeks | |
Secondary | Sexual Risk Behavior as Measured by the Risk Assessment Battery (RAB) | The RAB is a standardized survey. Scores range from 0 to 18, with higher scores meaning greater sexual risk. | Baseline; post-training, approximately 8 weeks | |
Secondary | Number of Days of Cocaine Use as Measured by Timeline Followback Interview Methodology | The Timeline Followback Method involves asking subjects to retrospectively estimate their cocaine use 30 days prior to the interview date. Responses therefore range from 0 to 30 days. | Baseline; post-training, approximately 8 weeks |
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