| 002396-AG | A Cross-Sectional Observational Feasibility Pilot Study in Pediatric Neuroimaging: Quantifying White Matter Microstructural Changes in Adolescents with Multidimensional Assessment of Pubertal Stage | Participants currently recruited/enrolled | 9-14 Years | NIA | | 001930-AG | The Effects of Urolithin A Supplementation on Glucose Metabolism in Healthy Adults >= 55 years old. A Randomized Triple-Masked Controlled Clinical Trial | Participants currently recruited/enrolled | 55-100 Years | NIA | | 20-AG-0087 | Ketone Ester Effects on Biomarkers of Brain Metabolism and Cognitive Performance in Cognitively Intact Adults >= 55 Years old. A Double-Blinded Randomized Controlled Clinical Trial | Completed Study; data analyses ongoing | 55-125 Years | NIA | | 15-AG-0123 | Intermittent Calorie Restriction, Insulin Resistance, and Biomarkers of Brain Function | Completed Study; data analyses ongoing | 55-70 Years | NIA | | 15-AG-0063 | The Genetic and Epigenetic Signatures of Translational Aging Laboratory Testing (GESTALT) | Participants currently recruited/enrolled | 20-120 Years | NIA | | 13-AG-0034 | Phase I, Double-Blind, Placebo-Controlled, Ascending, Single-Dose, Safety, Tolerability and Pharmacokinetic Study of Bisnorcymserine (BNC), a Highly Selective Inhibitor of Butyrylcholinesterase, in Healthy Adult Volunteers | Completed Study; data analyses ongoing | 55-125 Years | NIA | | 10-AG-0423 | A Pilot Study of Exendin-4 in Alzheimer's Disease | Completed Study; data analyses ongoing | 60-125 Years | NIA | | 08-AG-0238 | Development of Magnetic Resonance Imaging and Spectroscopy Research Methods for NIA Studies | Participants currently recruited/enrolled | 18-99 Years | NIA | | 03-AG-0325 | The Baltimore Longitudinal Study of Aging (BLSA) | Participants currently recruited/enrolled | 20-120 Years | NIA | |