National Institute on Aging (NIA)
National Institute on Aging (NIA) sponsors 131 registered US clinical trials on ClinicalTrials.gov, 12 of them currently recruiting, and 103 completed. 18 of these trials are in Phase 3-4 (later-stage) and 38 in Phase 1-2 (earlier-stage). The most-studied condition in this pipeline is Aging, with 7 trials.
Trial Pipeline
131 total, page 1 of 3
Effects of Urolithin A Supplementation on Glucose Metabolism in Healthy Adults 55 >= Years Old: A Randomized Triple-Masked Controlled Clinical Trial
NCT06274749
Amyloid PET Imaging in the Baltimore Longitudinal Study of Aging
NCT07099053
Pediatric Neuroimaging
NCT06912724
Measuring Protein Turnover in Humans Across the Lifespan by Metabolic Labeling With Deuterium Oxide
NCT06269653
Collection of Bone Marrow Aspirate From Normal Volunteers
NCT03949647
Taste Bud-Derived Stem Cells in Humans
NCT03366168
Genetic and Epigenetic Signatures of Translational Aging Laboratory Testing (GESTALT)
NCT02339012
Baltimore Longitudinal Study of Aging
NCT00233272
Development of 3T Magnetic Resonance Research Methods for NIA Studies
NCT01324206
Genetic Characterization of Movement Disorders and Dementias
NCT02014246
Tissue Procurement for Biomedical Research
NCT00182858
Cytapheresis of Volunteer Donors
NCT00104325
A Clinical Observational Study of SARS-CoV-2 Specific CD8 T-Cell Responses to COVID-19 Vaccines in Humans
NCT04852289
Identification and Characterization of SARS-CoV-2 Specific CD8 T Cells in Humans
NCT04565067
Healthy Aging in Neighborhoods of Diversity Across the Life Span (HANDLS)
NCT01323322
Deprescribing Potentially Inappropriate Medications in the Emergency Department for Persons Living With Dementia
NCT06273917
Ketone Ester Effects on Biomarkers of Brain Metabolism and Cognitive Performance in Cognitively Intact Adults 55 Years Old or Older
NCT04421014
Sodium-glucose Co Transporter 2 (sGLT2) Inhibitor and Endogenous Ketone Production
NCT03852901
Study of Skin Cells That Stop Replicating (Senescent) During Wound Healing
NCT02755584
Resveratrol and Cardiovascular Health in the Elderly
NCT01842399
Intermittent Calorie Restriction, Insulin Resistance, and Biomarkers of Brain Function
NCT02460783
The Role of Phosphodiesterase Inhibitors in Incretin Secretion
NCT02363335
Bisnorcymserine in Healthy Adult Volunteers
NCT01747213
Calcium Channel Splice Variant Expression in Cardiovascular Disease and Aging
NCT00251615
Mechanisms Accounting for Unexplained Anemia in the Elderly
NCT01572506
The Role of Endocannabinoids in Insulin Production and Action
NCT01517100
Age-Related Changes in Body Composition
NCT01517113
Initial Study of Fenoterol as a Treatment for Heart Failure
NCT01440335
CARDIA Brain MRI Substudy
NCT01273311
A Pilot Clinical Trial of Exendin-4 in Alzheimer's Disease
NCT01255163
Muscle Biopsies in Healthy Volunteers
NCT01431677
Safety and Tolerability of the Derma Vax(Trademark) Clinical Intradermal Electroporation System in Healthy Subjects
NCT01324843
The Relationship Between Uric Acid and Inflammatory Markers
NCT01323335
Androgen Deprivation Therapy Study
NCT00743327
AMS Study: Inflammatory and Biomechanical Contributors to Arthritis Development Following Arthroscopic Meniscectomy
NCT00752271
A Prospective Study of Postpartum Depression in Women With Major Depression
NCT01328613
Improving Depression Treatment for Older Minority Adults
NCT00570427
Exercise, Executive Processes and the Aging Brain
NCT00430976
Growth Hormone Administration and the Human Immune System
NCT00663611
Proximity Alarms to Reduce Patient Falls
NCT00183053
Breathe: Slow Paced Breathing to Lower Blood Pressure
NCT00328016
An Intervention to Increase Physical Activity Among African American Women
NCT00473044
Anti-Oxidant Treatment of Alzheimer's Disease
NCT00117403
Etiology of Anemia
NCT00302939
REVEAL: Reduction of Infarct Expansion and Ventricular Remodeling With Erythropoietin After Large Myocardial Infarction
NCT00378352
Caminemos! Trial to Increase Walking Among Sedentary Older Latinos
NCT00183014
Memory Imaging of Normal Aging
NCT00315575
A Study of the Function of Hormones Present In Taste Buds
NCT00233298
Alzheimer's Caregiver Communication Study
NCT00182988
Osteopuncture for Osteoarthritis-Associated Knee Pain & Disability
NCT00417313
Phase Distribution
| Phase | Trial count |
|---|---|
| Phase 1 | 18 |
| Phase 2 | 20 |
| Phase 3 | 14 |
| Phase 4 | 4 |
Therapeutic Areas
What the Pipeline for National Institute on Aging (NIA) Shows
According to the ClinicalTrials.gov registry, National Institute on Aging (NIA) is linked to 131 US clinical trials across every stage of research activity. Of those, 12 studies are currently recruiting, about 9% of the sponsor's indexed portfolio, and 103 are already marked complete, representing roughly 79% of the total.
The phase mix for National Institute on Aging (NIA) reports 18 late-stage studies (Phase 3 and Phase 4 combined) and 38 earlier-phase studies (Phase 1 and Phase 2).
The top therapeutic focus area indexed for National Institute on Aging (NIA) is Aging with 7 linked trials, and 9 other condition areas appear in the top list above.
How to read these pipeline numbers
Recruiting share is one of the more practical signals here: it reflects how much of a sponsor's research is presently open to new participants, while the completed share indicates the depth of finished work that has already contributed registry results. Both counts come directly from the public ClinicalTrials.gov dataset and are refreshed on the registry side; this page mirrors the latest data pull without altering it.
A portfolio weighted toward Phase 3 usually reflects an organization advancing candidates toward regulatory review, where the research centers on comparative efficacy and broader safety across larger populations. A heavier Phase 1 and Phase 2 tilt generally indicates exploratory work, safety, dosing, and early signal detection, and is common among research-forward sponsors that seed many early programs. Phase 4 entries, when present, track interventions already in real-world use and typically focus on long-term safety, effectiveness across subgroups, or formulation comparisons.
That distribution is a quick read of where the organization concentrates its research attention; it does not imply product availability, market share, or any clinical endorsement. All numbers on this page come from ClinicalTrials.gov maintained by the National Library of Medicine, and counts can shift as new studies are registered or existing ones update their status. This information is provided for reference and educational purposes only, not as medical, investment, or regulatory advice, verify current details directly with ClinicalTrials.gov before relying on any figure here.
Read our methodology - how this data is sourced, computed, and verified.
Related
Every figure on PlainTrial is rendered directly from the ClinicalTrials.gov registry, no number is typed in by an editor. This page aggregates every registered trial from this sponsor, live from the dataset. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.