HIV Clinical Trial
— FIRNOfficial title:
Functional Imaging Reserve in NeuroHIV
NCT number | NCT03596268 |
Other study ID # | 201805047 |
Secondary ID | |
Status | Recruiting |
Phase | |
First received | |
Last updated | |
Start date | November 20, 2018 |
Est. completion date | July 31, 2025 |
The purpose of this research study is to look at the brain's efficiency and ability to make up for deficits in the front of the brain to see if people living with HIV (PLWH) are still able to perform well on various cognitive tasks even though there are other underlying processes at work, like inflammation, that affect the brain in a negative way. Results of this study may provide insight into the pathophysiology of disease and may reveal arenas for future possible interventions in PLWH who have impaired neuropsychological performance.
Status | Recruiting |
Enrollment | 240 |
Est. completion date | July 31, 2025 |
Est. primary completion date | April 30, 2025 |
Accepts healthy volunteers | Accepts Healthy Volunteers |
Gender | All |
Age group | 20 Years to 80 Years |
Eligibility | Inclusion Criteria: - 20 to 80 years old - documented HIV infection for at least 1 year or confirmed HIV - status - PLWH must be on stable cART regimen for at least 12 months with undetectable plasma HIV RNA (less than 50 copies per mL) - at least 9 years of education - able to provide informed consent - if female, a negative pregnancy test and not breast feeding - able to undergo an MRI scan Exclusion Criteria: - significant neurological disorders (e.g. stroke, head injury with loss of consciousness for more than 5 minutes, developmental learning disability) - active uncontrolled Axis I psychiatric disorder according to the DSM 5 - current or history of substance use disorder (including, but not limited to amphetamines, cocaine, alcohol, opiates, and barbiturates) - prescribed blood thinners - allergic to lidocaine or similar anesthetic - history of any bleeding disorder - contraindication to MRI scanning (e.g. claustrophobia, pacemaker, etc.) - pregnant or breastfeeding |
Country | Name | City | State |
---|---|---|---|
United States | Washington University School of Medicine | Saint Louis | Missouri |
Lead Sponsor | Collaborator |
---|---|
Washington University School of Medicine | National Institutes of Health (NIH), Temple University, University of California, San Diego, University of Missouri, St. Louis |
United States,
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Primary | Brain Efficiency and Recruitment - Determine the neuroimaging signatures of brain efficiency and recruitment in virologically suppressed PLWH. | The investigators will compare the recruitment of compensatory networks between the PLWH and HIV- controls using multiple linear regression. In exploratory analyses the investigators will compare the brain efficiency between PLWH and HIV-, using similar multiple regression models, controlling for confounders. Among PLWH, the investigators will study the association of brain efficiency with neuropsychological performance testing using multiple regression models. | 5 years | |
Secondary | Effects of Aging - Determine the effects of aging on brain efficiency and recruitment in virologically suppressed PLWH. | The investigators will compare the recruitment (response) between the four HIV age groups (HIV- <50 year old, HIV- =50 years old, HIV+ <50 years old, and HIV+ =50 years old) using a multiple regression (ANCOVA) model, adjusting for potential confounders (age, sex, education, past substance use, and CVD). The pairwise comparisons of primary interest is between the HIV- <50 years old and the HIV- =50 years old groups. Among the PLWH only, the investigators will compare the brain efficiency r (response) between the younger and older group using multiple regression, adjusting for potential confounders. Secondly, a mediation analysis will examine the role of immune dysfunction (activation and exhaustion) markers as mediators of this relationship. | 5 years |
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