National Institute on Aging (NIA)

131 total trials 12 currently recruiting 103 completed

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 3 of 3

COMPLETED

Osteoarthritis: Weakness From Inflammation

NCT00104312

COMPLETED Phase 4

PPV: Pneumococcal Polysaccharide Vaccine in Older Adults

NCT00239694

COMPLETED Phase 3

SeniorWISE: Improving Everyday Memory in At-Risk Elderly

NCT00094731

COMPLETED Phase 2

BVAIT: B-Vitamin Atherosclerosis Intervention Trial

NCT00114400

COMPLETED NA

PACT: Providers and Alzheimer's Caregivers Together

NCT00182897

COMPLETED Phase 4

Brain Imaging and Mental Disorders of Aging Intervention

NCT00267163

COMPLETED NA

Biological Effects of Dehydroepiandrosterone (DHEA) in the Elderly

NCT00111930

COMPLETED NA

Exercise for Elderly Peripheral Revascularized Patients

NCT00667290

COMPLETED NA

Alternative Therapies for Menopause: A Randomized Trial

NCT00061711

COMPLETED Phase 3

A Trial to Reduce Delirium in Aged Post Acute Patients

NCT00182936

COMPLETED NA

Obesity Prevention After Smoking Cessation in Menopause

NCT00064961

COMPLETED Phase 2

AFTER: Altering Fat Through Estrogen and Raloxifene

NCT00149604

COMPLETED NA

A Trial of Tap Water Treatment in the Elderly

NCT00058942

COMPLETED NA

Homeostatic Sleep Regulation in Older Persons

NCT00601445

COMPLETED Phase 1

Bryostatin 1 and Interleukin-2 in Treating Patients With Refractory Solid Tumors or Lymphoma

NCT00003993

COMPLETED Phase 2

The CHAT (Community Health Advice by Telephone) Study

NCT00131092

COMPLETED Phase 3

Memory Impairment Study (Mild Cognitive Impairment Study)

NCT00000173

COMPLETED

Metabolic Syndrome, Inflammation, and Risk of Cognitive Decline

NCT00099567

COMPLETED Phase 2

VEAPS: Vitamin E Atherosclerosis Prevention Study

NCT00114387

COMPLETED Phase 3

Estrogen Hormone Protocol

NCT00000177

COMPLETED Phase 2

EPAT: Estrogen in the Prevention of Atherosclerosis Trial

NCT00115024

COMPLETED NA

Exercise Rehabilitation of Younger and Older People With Claudication

NCT00654810

COMPLETED Phase 2

A Multicenter Trial of Rofecoxib and Naproxen in Alzheimer's Disease (NSAID Study)

NCT00004845

COMPLETED Phase 3

Multicenter Trial of Prednisone in Alzheimer's Disease

NCT00000178

COMPLETED Phase 3

Study of Melatonin: Sleep Problems in Alzheimer's Disease

NCT00000171

COMPLETED Phase 3

Alzheimer's Disease Prevention Trial

NCT00000176

COMPLETED Phase 1

AIT-082 Phase 1B Study

NCT00000180

COMPLETED Phase 3

Agitation in Alzheimer's Disease

NCT00000179

COMPLETED Phase 2

Effectiveness of A Nutritional Brain Metabolic Enhancer for Alzheimer Disease

NCT00013923

COMPLETED

Healthy Aging and Memory Study

NCT00034567

TERMINATED NA

The Effects of Sex Hormones on Cognition and Mood in Older Adults

NCT00000175

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Phase Distribution

PhaseTrial count
Phase 1 18
Phase 2 20
Phase 3 14
Phase 4 4

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.

Data sourced from official public datasets. See our methodology for details. Retrieved and formatted by PlainTrial Editorial

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.