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2026 data Public-data reference. official source

Cognitive Decline

Open-data reference.

62 US clinical trials · 36 currently recruiting

Active & Recent Trials

RECRUITING NA 45,257 participants

Primary Care Detection of Cognitive Impairment Leveraging Health & Consumer Technologies in Underserved Communities: The MyCog Trial

Northwestern University

NCT05607732

RECRUITING NA 4,000 participants

Preventing Cognitive Decline by Reducing BP Target Trial

University of Texas Southwestern Medical Center

NCT05106036

RECRUITING NA 4,000 participants

Enhancing Attention and Wellbeing Using Digital Therapeutics

University of California, San Francis

NCT06397469

RECRUITING NA 2,000 participants

Computerized Tests of Cognitive Decline in Presymptomatic Alzheimer's Disease

Neurobehavioral Systems

NCT04800588

RECRUITING 2,000 participants

Alzheimer's Disease Treatment With Combination of 40Hz Light and Cognitive Therapy

Alzheimer's Light

NCT03657745

RECRUITING 1,700 participants

Older Breast Cancer Patients: Risk for Cognitive Decline

Georgetown University

NCT03451383

RECRUITING Phase 3 300 participants

Biomarker Exploration in Aging, Cognition and Neurodegeneration

University of California, Irvine

NCT03860857

RECRUITING NA 300 participants

Attenuating DEPression With Internet CBT to Slow Cognitive Decline in Older ICU Survivors(ADEPT-ICU)

Indiana University

NCT06627894

RECRUITING 300 participants

Cognitive and Vascular Functioning Following TBI

Walter Reed National Military Medical Center

NCT06034509

RECRUITING NA 300 participants

Polyphenols and Cognitive Decline

University of California, Los Angeles

NCT06507254

RECRUITING 250 participants

Building a Platform for Precision Anesthesia in the Geriatric Surgical Patient

Stanford University

NCT03839784

RECRUITING NA 230 participants

Disease Modifying Potential of 5mg of Melatonin on Cognition and Brain Health in Aging

Natalie Denburg

NCT03954899

RECRUITING NA 226 participants

Exercise Adherence and Cognitive Decline: Phase 2

University of Colorado, Boulder

NCT07127965

RECRUITING NA 216 participants

A SMART Trial of Adaptive Exercises to Optimize Aerobic-Fitness Responses

Arizona State University

NCT05877196

RECRUITING NA 200 participants

δ in Dementia Clinical Trials

The University of Texas Health Science Center at San Antonio

NCT05592678

RECRUITING NA 200 participants

The Effects of Successful OSA Treatment on Memory and AD Biomarkers in Older Adults Study

California Pacific Medical Center Research Institute

NCT05988385

RECRUITING NA 176 participants

mPATH for Low-income Older Adults

Johns Hopkins University

NCT05935241

RECRUITING NA 153 participants

Optimizing CNS DHA Delivery in Elderly Adults at Risk for Dementia

University of Cincinnati

NCT06933095

RECRUITING 150 participants

Sleep and Circadian Rhythm Biomarkers of Postoperative Delirium

Massachusetts General Hospital

NCT06052397

RECRUITING NA 150 participants

Brain Health Virtual Reality Study

University of California, San Diego

NCT06124339

RECRUITING 150 participants

Study Evaluating the Quality and Effects of Lion's Mane Product on Cognitive Health

M2 Ingredients

NCT06870136

RECRUITING NA 140 participants

Effects of Sabroxy® Supplementation on Insulin Resistance and Cognitive Function in Adults With Mild Cognitive Impairment and Insulin Resistance

SF Research Institute

NCT07220694

RECRUITING NA 128 participants

MIND Foods and Aerobic Training in Black Adults With HTN

Indiana University

NCT06152614

RECRUITING Phase 1 120 participants

Door-Through-Door Companion Rideshare Technology for Individuals With Alzheimer's Disease and Related Dementias (AD/ADRD)

Onward Health

NCT06850870

RECRUITING NA 110 participants

A Mechanistic Study to Investigate tDCS and Working Memory in MCI Patients

University of Florida

NCT05998031

RECRUITING NA 100 participants

A Multi-Modal Combination Intervention to Promote Cognitive Function in Older Intensive Care Unit Survivors

University of Washington

NCT06411561

RECRUITING NA 100 participants

Cognitive Screening Made Easy for PCPs - Administrative Supplement

University of Texas at Austin

NCT06928298

RECRUITING Phase 2 90 participants

Memantine and Exercise to Improve Cognitive Function and Modulate Biological Pathways of Cognitive Decline During Chemotherapy in Breast Cancer

UNC Lineberger Comprehensive Cancer Center

NCT06727773

RECRUITING NA 88 participants

Essential Fats For Enhancing Cognitive Thinking (EFFECT) Study

Ohio State University

NCT06223672

RECRUITING NA 80 participants

TMS for Cognitive Decline in Aging and Preclinical AD

Massachusetts General Hospital

NCT06956300

RECRUITING 60 participants

Cognitive Impairment in Colorectal Cancer Patients Receiving Cytotoxic Chemotherapy

Joseph McCollom

NCT05014399

RECRUITING NA 50 participants

MindWalk Intervention for Older South Asian Caregivers of People With Cognitive Disabilities (CD)

University of Illinois at Chicago

NCT06002919

RECRUITING NA 36 participants

Brain Research Assessing Impacts of Neurophysiological Processing Speed Training in Veterans

University of Alabama at Birmingham

NCT06217575

RECRUITING 30 participants

Glucose Variability and Cognition in Prediabetes

University of Maryland, Baltimore

NCT04201600

RECRUITING NA 20 participants

Exercise Adherence and Cognitive Decline

University of Colorado, Boulder

NCT06769022

RECRUITING Phase 2 20 participants

Fortifying Healthy Behaviors, Optimizing Medical Therapies and Enhancing Cognitive Function in Older Adults-pilot Study

Washington University School of Medicine

NCT07000734

ACTIVE NOT RECRUITING NA 1,306 participants

Implementation of Multifaceted Patient-Centered Treatment Strategies for Intensive Blood Pressure Control in Minimize Cognitive Decline

Tulane University

NCT04797403

ACTIVE NOT RECRUITING NA 650 participants

Impact of a Novel Brain Longevity Supplement Containing the Postbiotic Urolithin A (Mitopure) on Cognitive Function and Related Health Outcomes

Amazentis

NCT07060898

ACTIVE NOT RECRUITING Phase 3 629 participants

ACHIEVE Brain Health Follow-Up Study

Johns Hopkins University

NCT05532657

ACTIVE NOT RECRUITING 600 participants

BRINK (BRain In Kidney Disease) Memory Study 2.0

Anne Murray

NCT04975464

ACTIVE NOT RECRUITING NA 500 participants

Cognitive Screening Made Easy for PCPs - R33 Phase

University of Texas at Austin

NCT06162026

ACTIVE NOT RECRUITING 400 participants

Quality Improvement and Clinical Utility PrecivityAD2(TM) Clinician Survey

C2N Diagnostics

NCT06025877

ACTIVE NOT RECRUITING Phase 2 385 participants

Advancing Postmenopausal Preventive Therapy

University of Southern California

NCT04103476

ACTIVE NOT RECRUITING Phase 2 369 participants

Effect of Equol Supplementation on Arterial Stiffness and Cognition in Healthy Volunteers

Akira Sekikawa

NCT05741060

ACTIVE NOT RECRUITING NA 250 participants

Mediterranean-DASH Intervention for Neurodegenerative Delay (MIND) Diet in Stroke Patients Patients

Rush University Medical Center

NCT04337255

ACTIVE NOT RECRUITING Phase 2 180 participants

High-dose Vitamin D Supplements in Older Adults

University of California, Davis

NCT03613116

ACTIVE NOT RECRUITING 111 participants

Tau Pet Imaging in the Aging Brain Cohort Dedicated to Diversity Study

University of Pennsylvania

NCT05393388

ACTIVE NOT RECRUITING Phase 2 100 participants

Dopaminergic Dysfunction in Late-Life Depression

Vanderbilt University Medical Center

NCT04469959

ACTIVE NOT RECRUITING NA 60 participants

Multi-Center Study of Sensory Stimulation to Improve Brain Function

Cognito Therapeutics

NCT03556280

ACTIVE NOT RECRUITING NA 50 participants

A Clinical Trial to Investigate the Efficacy of a Supplement to Improve and Maintain Cognitive Function and Memory

Scale Media

NCT06523218

ACTIVE NOT RECRUITING NA 20 participants

The Influence of Tai Chi Practice on Blood Pressure and Brain Health Among Older Adults with Hypertension (ACTION)

University of Connecticut

NCT04384263

COMPLETED 366 participants

Quality Improvement PrecivityAD Clinician Survey (QUIP I)

C2N Diagnostics

NCT05477056

COMPLETED NA 178 participants

Establishing Clinical Utility Evidence for a Novel Alzheimer's Disease Blood-Based Biomarker Assay

Qure Healthcare

NCT07099001

COMPLETED Phase 2 125 participants

Cognitive Decline and Alzheimer's Disease in the Dallas Lifespan Brain Study

Neil M Rofsky, MD, MHA

NCT04080544

COMPLETED 120 participants

Preoperative Cognitive Reserve in Older Surgical Patients: A Feasibility Study

Ohio State University

NCT06245005

COMPLETED NA 69 participants

Noninvasive Brain Stimulation for Mild Cognitive Impairment

Palo Alto Veterans Institute for Research

NCT03331796

COMPLETED NA 67 participants

Long-term Effects of Blueberry Supplementation on Brain Health in Older Adults

Brigham and Women's Hospital

NCT05764824

COMPLETED NA 44 participants

Digital Cognition in Multiple Sclerosis

University of California, San Francis

NCT03569618

COMPLETED NA 40 participants

Preventing Cognitive Decline

Arizona State University

NCT05446909

COMPLETED NA 25 participants

Movement Intervention for Memory Enhancement

Albert Einstein College of Medicine

NCT03475316

COMPLETED NA 24 participants

Brain Vascular and Neurocognitive Health

The University of Texas at Arlington

NCT06497413

COMPLETED NA 18 participants

Rhythmically Entrained Exercise in Community-Dwelling Older Adults

University of North Carolina, Greensboro

NCT05462977

Phase Distribution

PhaseTrial count
Early Phase 1 1
Phase 2 7
Phase 3 2

Source: ClinicalTrials.gov, National Library of Medicine. Data is informational only.

Reading the Cognitive Decline Trial Landscape

ClinicalTrials.gov lists 62 US studies indexed under Cognitive Decline, and 36 of those are currently open to recruitment — roughly 58% of the total volume on the registry. That ratio is a useful proxy for activity level: a high share of recruiting studies often signals that research interest is current and that new enrollment opportunities are appearing, while a low share typically means the field is dominated by completed or follow-up work where most participant spots have already been filled. These counts reflect the public registry only and include studies at every stage of design, so they should be read as an index of research attention rather than as a measure of treatment availability.

The phase distribution for Cognitive Decline shows 2 late-stage studies (Phase 3 and Phase 4 combined) alongside 8 earlier-phase entries (Phase 1 through Phase 2). Phase 1 and Phase 2 studies focus on early safety signals, dosing, and preliminary effect, while Phase 3 studies are typically the larger efficacy and safety trials submitted toward regulatory review, and Phase 4 studies follow approved interventions in real-world use. A condition weighted toward later phases often reflects a mature research pipeline with several interventions already close to or past approval, whereas a heavier early-phase tilt suggests the field is still exploring new mechanisms and candidate approaches.

Top sponsor activity for Cognitive Decline is led by C2N Diagnostics with 2 indexed trials, alongside 9 other organizations in the top contributor list. The list on this page surfaces up to 62 of the most relevant recent and active entries, ordered with recruiting studies first so practical options are visible. All figures are derived from the public ClinicalTrials.gov dataset maintained by the National Library of Medicine and are reproduced here for reference. Inclusion of a trial, sponsor, or intervention on this page is neither an endorsement nor a recommendation — eligibility, protocol changes, and site-level status can shift frequently, so always verify current details on ClinicalTrials.gov and consult a qualified healthcare provider before acting on anything you see here.

Frequently Asked Questions

How many clinical trials are there for Cognitive Decline?

PlainTrial tracks 62 US clinical trials for Cognitive Decline, of which 36 are currently recruiting participants. Data sourced from ClinicalTrials.gov.

How do I find a recruiting trial for Cognitive Decline?

Use the trial list above filtered by "Recruiting" status, or visit our trial finder at /recruiting to search by condition and state. Always discuss trial participation with your healthcare provider before enrolling.

Is this data current?

Data is sourced from ClinicalTrials.gov and reflects our most recent data pull. Trial status may have changed since then. Always verify current information at ClinicalTrials.gov before making decisions about participation.

Related

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

Disclaimer: This information is provided for informational purposes only and does not constitute professional advice. Data is sourced from ClinicalTrials.gov (National Library of Medicine). Consult a qualified professional before making decisions based on this data.

Source: ClinicalTrials.gov (NIH/NLM) ClinicalTrials.gov AACT registry · 2024 Trial counts and statuses sourced from ClinicalTrials.gov. Sponsor counts include both industry and federal/academic sponsors.

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