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ClinicalTrials.gov 35 recruiting now early-phase tilt #78 of 28,707 conditions

Alzheimers Disease: early-phase trial registry

35 of 150 indexed Alzheimers Disease trials are currently recruiting, with more weight in Phase 1-2.

Corpus placement: #78 of 28,707 conditions by registered trial count.

150 US clinical trials · 35 currently recruiting · #78 of 28,707 conditions by registered trial count

Alzheimers Disease: 150 US clinical trials tracked, 35 recruiting.

Alzheimers Disease is the subject of 150 registered US clinical trials on ClinicalTrials.gov, 35 of them currently open to new participants. 25 are in Phase 3-4 (later-stage) and 76 in Phase 1-2 (earlier-stage). The most active sponsor is Eli Lilly and Company, running 8 of these trials.

Enrollment posture brief

Registry condition alzheimers-disease

OPEN 35 | RECR 23% | LATE 25 | EARLY 76 | RANK #78 | SPON 8

Nearest open-share peer: Diabetes Mellitus (23% recruiting · 210 trials)

Cervical Cancer48.3%PreDiabetes46%Insomnia40.8%Atopic Dermatitis36.4%Alzheimers Disease (this)23%
Open-enrollment share among volume-matched conditions near Alzheimers Disease

Alzheimers Disease lists 35 open slots (23% of 150 indexed trials). Peers are matched on registered volume, not therapeutic-area browse lists. How peer matching works →

Key findings

What ClinicalTrials.gov does not surface for Alzheimers Disease on its own pages , computed from the registry mirror as of 2026-08-08. Each line carries its own denominator so it can be quoted as it stands.

  1. Alzheimers Disease is recruiting below its size-band peers.

    35 of 150 indexed trials (23.3%) are open to enrollment, against a 37.1% average across 139 conditions with 100+ trials. The peer set uses the same ClinicalTrials.gov-derived counts as this page.

  2. Sponsorship of Alzheimers Disease trials is spread across many organizations.

    Eli Lilly and Company accounts for 8 of 150 trials (5.3%). 90 distinct sponsors appear on at least one study for this condition label.

  3. Typical Alzheimers Disease enrolment sits around 105 participants.

    Median target enrolment is 105 among the 148 trials that report a genuine target (sentinel values excluded). 70 of those (47.3%) plan for fewer than 100 participants.

  4. Alzheimers Disease research is mostly interventional.

    123 interventional and 27 observational studies make up this index (82% interventional). Study type is sponsor-reported on ClinicalTrials.gov.

Phase 137Phase 239Phase 325

Open and recent trials

150 total, page 2 of 3

COMPLETED Phase 3 1,467 participants

Comparison of 23 mg Donepezil Sustained Release (SR) to 10 mg Donepezil Immediate Release (IR) in Patients With Moderate to Severe Alzheimer's Disease

Eisai

NCT00478205

COMPLETED Phase 3 1,111 participants

Effects of LY450139, on the Progression of Alzheimer's Disease as Compared With Placebo

Eli Lilly and Company

NCT00762411

COMPLETED Phase 3 933 participants

Study of Idalopirdine in Patients With Mild - Moderate Alzheimer's Disease Treated With Donepezil

H. Lundbeck A/S

NCT01955161

COMPLETED Phase 3 915 participants

Open-Label Extension Study of 23 mg Donepezil SR in Participants With Moderate to Severe Alzheimer's Disease

Eisai

NCT00566501

COMPLETED Phase 3 862 participants

Rosiglitazone (Extended Release Tablets) As Monotherapy In Subjects With Mild To Moderate Alzheimer's Disease

GlaxoSmithKline

NCT00428090

COMPLETED Phase 3 800 participants

Safety and Efficacy Study Evaluating TRx0237 in Subjects With Mild Alzheimer's Disease

TauRx Therapeutics

NCT01689233

COMPLETED Phase 2 682 participants

A Study of SB-742457, Added to Donepezil for the Treatment of Mild-to-moderate Alzheimer's Disease

GlaxoSmithKline

NCT00710684

COMPLETED Phase 3 600 participants

To Evaluate the Safety and Effectiveness of Atorvastatin Plus a Cholinesterase Inhibitor in AD Patients.

Pfizer's Upjohn has merged with Mylan to form Viatris

NCT00151502

COMPLETED 600 participants

Diagnosis and Natural History Study of Patients With Neurological Conditions

National Institute of Neurological Disorders and Stroke (NINDS)

NCT00001549

COMPLETED Phase 2 542 participants

A Study of RO4602522 in Participants With Moderate Severity Alzheimer Disease on Background Alzheimer Disease Therapy

Hoffmann-La Roche

NCT01677754

COMPLETED NA 510 participants

Reducing Disabilities in Alzheimer's Disease (RDAD) Translation in Area Agencies on Aging (AAAs)

University of Washington

NCT01708304

COMPLETED Phase 2 453 participants

A Study to Evaluate the Efficacy and Safety of ABBV-8E12 in Participants With Early Alzheimer's Disease

AbbVie

NCT02880956

COMPLETED Phase 3 433 participants

A Phase 3, 12-week, Multicenter, Randomized, Double-blind, Placebo-controlled Trial to Evaluate the Efficacy, Safety, and Tolerability of 2 Fixed Doses of Brexpiprazole in the Treatment of Alzheimer's Agitation

Otsuka Pharmaceutical Development & Commercialization

NCT01862640

COMPLETED 390 participants

fMRI of Vulnerable Brain Regions in Persons at Risk for Alzheimer's Disease

University of Wisconsin, Madison

NCT00478491

COMPLETED Phase 3 389 participants

A Study of Gantenerumab in Participants With Mild Alzheimer Disease

Hoffmann-La Roche

NCT02051608

COMPLETED Phase 2 386 participants

Efficacy, Safety, & Tolerability of AZD3480 Patients With Mild to Moderate Dementia of the Alzheimer's Type (AD)

Targacept

NCT01466088

COMPLETED Phase 2 376 participants

Rasagiline 1 mg and 2 mg Added to Aricept 10 mg Daily in Patients With Mild to Moderate Alzheimer's Disease (AD)

Teva Branded Pharmaceutical Products R&D

NCT00104273

COMPLETED Phase 3 365 participants

Assess the Prognostic Usefulness of Flutemetamol (18F) Injection for Identifying Subjects With Amnestic Mild Cognitive Impairment Who Will Convert to Clinically Probable Alzheimer's Disease

GE Healthcare

NCT01028053

COMPLETED Phase 2 347 participants

A Study to Evaluate Albumin and Immunoglobulin in Alzheimer's Disease

Instituto Grifols, S.A.

NCT01561053

COMPLETED 342 participants

Alzheimer's Disease Neuroimaging Initiative Grand Opportunity

Alzheimer's Disease Cooperative Study (ADCS)

NCT01078636

COMPLETED Phase 2 280 participants

SGS742 in Patients With Mild to Moderate Alzheimer's Disease (AD)

Saegis Pharmaceuticals

NCT00093951

COMPLETED Phase 2 274 participants

Efficacy and Safety Study for Subjects With Mild-to-Moderate Alzheimer's Disease

AbbVie (prior sponsor, Abbott)

NCT00948909

COMPLETED Phase 3 270 participants

Safety and Tolerability Study of Flexible Dosing of Brexpiprazole in the Treatment of Subjects With Agitation Associated With Dementia of the Alzheimer's Type

Otsuka Pharmaceutical Development & Commercialization

NCT01922258

COMPLETED Phase 3 259 participants

A 12-week Extension Trial to Evaluate the Safety and Tolerability of Brexpiprazole in the Treatment of Subjects With Agitation Associated With Dementia of the Alzheimer's Type

Otsuka Pharmaceutical Development & Commercialization

NCT03594123

COMPLETED Phase 1 254 participants

Home Safety Clinical Trial for Alzheimer's Disease

US Department of Veterans Affairs

NCT00459355

COMPLETED Phase 2 234 participants

AAB-001 in Patients With Mild to Moderate Alzheimer's Disease

JANSSEN Alzheimer Immunotherapy Research & Development

NCT00112073

COMPLETED Phase 3 229 participants

Efficacy and Safety of Aricept in the Treatment of Severe Alzheimer's Disease

Eisai

NCT00096473

COMPLETED NA 220 participants

Care Management for Patients With Alzheimer Disease and Their Family Caregivers

Agency for Healthcare Research and Quality (AHRQ)

NCT00246896

COMPLETED Phase 2 209 participants

A Phase II, Multicenter, Double Blind, Placebo-Controlled Safety, Tolerability Study of BMS-708163 in Patients With Mild to Moderate Alzheimer's Disease

Bristol-Myers Squibb

NCT00810147

COMPLETED 206 participants

Posterior Cingulate Function in Persons With Risk Factors for Alzheimer's Disease

University of Wisconsin, Madison

NCT00478166

COMPLETED 204 participants

NAC-003 P.L.U.S. Program (Progress Through Learning Understanding & Support)

Pamlab

NCT01370954

COMPLETED Phase 2 200 participants

Efficacy and Safety of LY451395 in Patients With Probable Alzheimer's Disease

Eli Lilly and Company

NCT00051909

COMPLETED 197 participants

Screening and Evaluation of Patients With Signs and Symptoms of Alzheimer's Disease

National Institute of Mental Health (NIMH)

NCT00955422

COMPLETED Phase 2 177 participants

Safety, Tolerability and Abeta-specific Antibody Response of Repeated i.m. Injections of Adjuvanted CAD106 in Mild Alzheimer Patients

Novartis Pharmaceuticals

NCT01097096

COMPLETED NA 154 participants

Efficacy of Early Stage Alzheimer's Support Groups

University of Washington

NCT00391794

COMPLETED Phase 2 150 participants

iCare Stress Management e-Training for Dementia Family Caregivers

Photozig

NCT01378195

COMPLETED 150 participants

Brain Imaging in Elderly People and Individuals With Alzheimer's Disease

National Institute of Mental Health (NIMH)

NCT00001917

COMPLETED NA 135 participants

Tools for Distance Delivery of an Evidence-based AD Family Caregiver Intervention

NYU Langone Health

NCT02347202

COMPLETED Phase 2 128 participants

Enhancing Quality of Life for Nursing Home Residents

Penn State University

NCT00388544

COMPLETED Phase 3 125 participants

Intramuscular Aripiprazole in Acutely Agitated Patients Diagnosed With Dementia

Otsuka Pharmaceutical Development & Commercialization

NCT00095719

COMPLETED 121 participants

Effect of Cerefolin®/CerefolinNAC® on Biomarker Measurements

Pamlab

NCT01745198

COMPLETED Phase 3 107 participants

High Intensity Light Therapy in Alzheimer's Disease

National Center for Complementary and Integrative Health (NCCIH)

NCT00065689

COMPLETED Early Phase 1 101 participants

Dose Response Study of Aerobic Exercise in Older Adults

Jeff Burns, MD

NCT01129115

COMPLETED NA 100 participants

Music Therapy Experiences in Patients With Mild Cognitive Impairment (MCI) and Alzheimer's Disease (AD)

Icahn School of Medicine at Mount Sinai

NCT04666077

COMPLETED Phase 1 96 participants

Study to Evaluate the Effects of NMRA-323511 Among Healthy Elderly and Adults With Agitation Associated With Dementia Due to Alzheimer's Disease

Neumora Therapeutics

NCT06546995

COMPLETED Phase 2 89 participants

Bridging Study of C11 Pittsburgh Compound B (PiB) and F18 Flutemetamol Brain Positron Emission Tomography (PET)

Mayo Clinic

NCT01607476

COMPLETED Phase 2 88 participants

Preventing Loss of Independence Through Exercise (PLIE) in Persons With Dementia

VA Office of Research and Development

NCT02350127

COMPLETED Phase 1 64 participants

Study to Assess the Safety, Tolerability and Pharmacokinetics of Single Ascending Oral Doses of J147

Abrexa Pharmaceuticals

NCT03838185

COMPLETED Phase 2 61 participants

VI-1121 for the Treatment Alzheimer's Disease

VIVUS

NCT01428362

COMPLETED 60 participants

Safety of Three Formulations of Ketasyn Administered for 14 Days in Healthy Elderly

Cerecin

NCT00660088

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Phase Distribution

PhaseTrial count
Phase 1 37
Phase 2 39
Phase 3 25

Named interventions

Most-linked intervention names on Alzheimers Disease records (sponsor-reported on ClinicalTrials.gov). Counts are trial links, not unique products.

Placebo Drug
32 trials
Placebo Other
7 trials
Donepezil Drug
3 trials
No Intervention Other
3 trials
ABT-126 Drug
2 trials
BMS-708163 Drug
2 trials
Brexpiprazole, OPC-34712 Drug
2 trials
Dimebon Drug
2 trials

US sites by state

Facility locations filed on Alzheimers Disease trials. A trial with sites in several states counts in each.

California 60 trials
Florida 55 trials
Arizona 32 trials
Georgia 24 trials
Connecticut 24 trials
Massachusetts 20 trials
Indiana 20 trials
Pennsylvania 19 trials

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

What to do with this Alzheimers Disease page

150 registered trials, 35 currently recruiting, is a starting point for a conversation, not a diagnosis or a recommendation.

Trial and recruiting counts reflect ClinicalTrials.gov registry status as of the data vintage above; individual trial eligibility and enrollment status can change.

Every figure on PlainTrial is rendered directly from the ClinicalTrials.gov registry, no number is typed in by an editor. This Alzheimers Disease condition card totals 150 registered trials; most-linked intervention Placebo; top US site state California. See our editorial standards & corrections policy, the methodology behind these numbers, the data changelog, or report a data error.