Pharmacological Interventions for Aging and Rejuvenation: A Meta-Analysis of Clinical Outcomes and Anti-Aging Therapeutics
Keywords:
Aging, Rejuvenation, Metformin, NAD⁺ Precursors, Rapamycin, Senolytics, Resveratrol, Anti-Aging Medicine, Healthspan, Clinical Outcomes, Meta-AnalysisAbstract
Aging is the principal risk factor for chronic diseases and functional decline, making the development of interventions that target the biology of aging a priority for modern medicine. In recent years, pharmacological strategies aimed at promoting rejuvenation and extending healthspan have gained considerable attention, including the use of metformin, NAD⁺ precursors, rapamycin, senolytics, resveratrol, and other compounds with geroprotective potential. This study presents a comprehensive meta-analysis of randomized and non-randomized clinical trials investigating the efficacy of pharmacological anti-aging interventions. Data were extracted from major clinical databases and analyzed to evaluate effects on biomarkers of inflammation, metabolic regulation, frailty, cognitive performance, and physical function.
The results indicate that metformin significantly reduces systemic inflammatory markers, including interleukin-6, and improves insulin sensitivity. NAD⁺ precursors such as nicotinamide riboside enhance mitochondrial function and modestly improve physical endurance and walking speed. Rapamycin and its analogs demonstrate improvements in immune resilience and infection resistance but are associated with dose-dependent adverse events. Senolytic agents such as dasatinib plus quercetin show substantial promise in reducing frailty indices and improving mobility in elderly populations. Resveratrol demonstrates modest improvements in metabolic regulation and vascular function, though heterogeneity of study designs limits firm conclusions.
Overall, these findings support the notion that targeting fundamental aging pathways with pharmacological interventions yields clinically meaningful benefits across multiple domains of healthspan. However, further large-scale, long-term, and harmonized clinical trials are required to establish safety, efficacy, and appropriate dosing regimens. Anti-aging medicine is transitioning from experimental to translational clinical practice, offering potential to redefine preventive medicine and extend healthy human lifespan.
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