The National Institutes of Health (NIH) is inviting applications for a federal grant aimed at conducting Phase 2 clinical trials to evaluate the safety and efficacy of monoclonal antibody therapies targeting amyloid-beta in populations with mixed-etiology dementia, particularly focusing on Lewy Body Dementias (LBD). The initiative seeks randomized placebo-controlled trials involving participants who exhibit Alzheimer's pathology and have a clinical diagnosis of LBD, such as Parkinson's disease dementia or dementia with Lewy bodies, while emphasizing community engagement to ensure diverse representation and enhance participant retention. This funding opportunity, with an award ceiling of $6.7 million, is part of the National Alzheimer’s Project Act's objectives to advance treatments for Alzheimer’s Disease and related dementias, with applications due by January 25, 2025. Interested applicants can find more information and submit their proposals through Grants.gov, and may contact NIH Grants Information at grantsinfo@nih.gov for further inquiries.