Improving Memory Performance by Applying Cognitive Training



Status:Recruiting
Conditions:HIV / AIDS
Therapuetic Areas:Immunology / Infectious Diseases
Healthy:No
Age Range:18 - 60
Updated:4/21/2016
Start Date:August 2014
End Date:June 2016
Contact:Sheri L Towe, PhD
Email:sheri.towe@duke.edu
Phone:919-668-4030

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Impact of Cognitive Training on Medication Adherence in HIV-infected Individuals

The proposed study will test the efficacy of a cognitive training program to improve working
memory in a sample of HIV-infected persons. Investigators will assign 40 HIV-infected adults
with poor medication adherence to one of two conditions (20/group): the experimental
cognitive training intervention or a control training condition. Participants will complete
12 training sessions across 10 weeks and will complete assessments at baseline and
post-training. The specific aims are to:

1. Investigate the effects of the cognitive training intervention on working memory and
delay discounting in HIV-infected persons.

Hypothesis 1: Participants assigned to active cognitive training, compared to those in
the attention-matched control group, will have greater improvements in working memory
and reductions in delay discounting.

2. Characterize adherence to antiretroviral medications in this population and examine
medication adherence after cognitive training.

Hypothesis 2: Participants assigned to active cognitive training, compared to those in the
attention-matched control group, will have greater improvements in medication adherence.

This study tests the feasibility and preliminary efficacy of a computerized cognitive
training program to improve working memory and decrease impulsivity among HIV-infected
individuals with poor medication adherence. The specific aims are to: (1) Investigate the
effects of the cognitive training intervention on working memory and delay discounting in
HIV-infected persons; and (2) Characterize adherence to antiretroviral medications in this
population and examine medication adherence after cognitive training.

The research design includes two parts: an eligibility screening and the Cognitive Training
study. In Part 1, Eligibility Screening, participants will complete a 2-3 hour battery of
standardized measures to assess for study eligibility. Eligible individuals will then be
invited to enroll in Part 2, Cognitive Training Study. Part 1 of the study will involved
screening approximately 60 participants, with an estimated eligibility rate of 67% for Part
2. In Part 2, participants will be assigned to one of two groups (active cognitive training
or control training; 20 participants per group) and will complete 12 training sessions over
10 weeks. Participants assigned to the active cognitive training group will complete
computerized modules designed to enhance working memory, while those assigned to the
attention-matched control group will complete inactive modules that are not designed to
enhance memory. All Part 2 participants will complete assessments at baseline and
post-training to evaluate the impact of the training program.

Inclusion Criteria:

- HIV infection, diagnosed for > 6 months

- Currently on treatment with antiretroviral medications for > 3 months

- Self-reported medication adherence at less than 90%

- Lives within 15 miles of the research site in stable housing and with no plans to
move from the area in the next 3 months

Exclusion Criteria:

- Current substance use disorder

- Any drug use other than alcohol or marijuana in the past year

- 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
We found this trial at
1
site
2301 Erwin Rd
Durham, North Carolina 27710
919-684-8111
Principal Investigator: Sheri L Towe, PhD
Duke Univ Med Ctr As a world-class academic and health care system, Duke Medicine strives...
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