Aging Clinical Trial
Official title:
Long-term Effects of Hearing Intervention on Brain Health in the Aging and Cognitive Health Evaluation in Elders Randomized Study
The ACHIEVE Brain Health Follow-Up Study is a 3-year follow-up to the Aging and Cognitive Health Evaluation in Elders (ACHIEVE) randomized study to determine the long-term effect of hearing intervention vs. successful aging/delayed hearing intervention on rates of cognitive decline and incident mild cognitive impairment or dementia.
ORIGINAL ACHIEVE TRIAL: The Aging and Cognitive Health Evaluation in Elders (ACHIEVE) study is an National Institute on Aging (NIA)-sponsored Phase III randomized controlled trial (R01AG055426; Multiple Principal Investigators: Lin/Coresh) investigating whether hearing loss treatment versus an aging education control intervention reduces cognitive decline over a 3-year follow-up period. From 2018 to 2019, the investigators recruited 977 adults aged 70-84 years with untreated mild-to-moderate hearing loss who were randomized 1:1 at baseline to receive hearing intervention (HI; best practices hearing services and technologies) versus a successful aging (SA) education control intervention (i.e., one-on-one sessions with a health educator covering topics important for healthy aging). Participants are followed semi-annually at the ACHIEVE field sites (Washington County, Maryland; Jackson, Mississippi; Minneapolis, Minnesota; Forsyth County; North Carolina) with final Year 3 study visits for ACHIEVE participants scheduled from 2021-2022. After the participants Year 3 visit, all participants randomized to the SA education control group will also be offered the hearing intervention. Final Year 3 results from this original trial will indicate whether hearing intervention (versus a successful aging control intervention) reduces cognitive decline over a 3-year interval after randomization. ACHIEVE BRAIN HEALTH FOLLOW-up STUDY: The current study will continue following the ACHIEVE cohort for an additional 3 years after the participants Year 3 visit (i.e., total of 6 years) to determine the long-term effects of hearing intervention (i.e., participants randomized to HI at ACHIEVE baseline) versus successful aging/delayed HI control (i.e., participants randomized to SA at ACHIEVE baseline and offered HI after the participants ACHIEVE Year 3 visit) on cognitive, dementia, and brain outcomes. Given that cognitive impairment typically reflects the slow accumulation of pathologic changes, the benefits of hearing intervention in slowing this decline may not be fully appreciable within just 3 years. Therefore, this 6-year follow-up of the cohort will allow the investigators to fully evaluate the longer, cumulative impact of hearing loss treatment on older adults. Such findings will complement the main trial results in 2023 and directly inform clinical and policy decisions around the potential use of hearing interventions to reduce the risk of cognitive decline and Alzheimer's disease and related dementias (ADRD). ;
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