Adherence Intervention for People With Low-literacy
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About
Consistent adherence to antiretroviral therapy is necessary for treatment success. People with poor health literacy skills experience considerable difficulty adhering to their medications. Effective strategies for improving adherence in patients with poor health literacy must be tailored to achieve optimal adherence and therefore viral suppression. This proposal requests support to conduct a randomized clinical trial of a theory-based HIV treatment adherence intervention tailored for people with low-literacy skills.
Full description
Adherence to antiretroviral medications is necessary to achieve sufficient HIV suppression and nonadherence can lead to the development of treatment resistant genetic variants of HIV. Research has demonstrated that people living with HIV/AIDS who have low-levels of health literacy experience greater treatment non-adherence than their higher-literacy counterparts. Interventions are urgently needed to improve treatment adherence in people with poor literacy skills. This application proposes to test a theory based behavioral intervention for improving HIV treatment adherence in people living with HIV/AIDS who have low-literacy skills. Grounded in the Information - Motivation - Behavioral Skills (IMB) model of health behavior change, the experimental intervention has been tailored for people with low-levels of health literacy and has been pilot tested in preliminary intervention development research. The intervention is delivered in three one-on-one counseling sessions and one maintenance-focused booster session. The intervention will be conducted in a community care setting in Atlanta. Men and women will be recruited from a AIDS services and infectious disease clinics throughout the Atlanta metropolitan area. Following screening, informed consent and baseline assessments participants will be randomly assigned to receive one of three conditions: (a) Theory-based literacy tailored treatment adherence intervention; (b) standard of care non-tailored time-matched adherence counseling intervention; (c) noncontaminating time-matched attention control intervention. Participants will be followed for 12-months observation. Assessments will include measures of information, motivation, and behavioral skills pertaining to HIV treatment adherence, self-report and objective medication adherence, and viral load. The study will test the hypothesis that a theory-based HIV treatment adherence intervention that is tailored for people with low-literacy will improve HIV treatment adherence and health relative to the standard and attention control conditions. The study will also examine the influence of IMB theoretical constructs on intervention outcomes. The intervention under investigation will be among the first to address treatment adherence among people with poor literacy skills. If shown effective, the intervention model will be ready for immediate dissemination to clinical and community adherence enhancement services for people living with HIV-AIDS.
Enrollment
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Inclusion and exclusion criteria
Inclusion Criteria:
- 18 years or older,
- HIV positive,
- receiving antiretroviral medications, and
- score below cut-off on a standard health literacy test.
Trial design
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Interventional model
Masking
450 participants in 3 patient groups
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Data sourced from clinicaltrials.gov
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