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ClinicalTrials.gov public records Last synced Sep 30, 2026, 8:38 AM EDT

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Showing 25–48 of 48 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Insulin, intranasal Clear all
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers Results available

Memory and Insulin in Early Alzheimer's Disease

NCT00581867
View directory record Official record
Conditions
Alzheimer's Disease
Interventions
Insulin Aspart, Placebo
Drug
Lead sponsor
Jeff Burns, MD
Other
Eligibility
60 Years and older
Enrollment
31 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2012
U.S. locations
1
States / cities
Kansas City, Kansas
Source: ClinicalTrials.gov public record
Updated Jul 14, 2015 · Synced Sep 30, 2026, 8:38 AM EDT
Terminated Phase 1 Interventional Accepts healthy volunteers Results available

Measurement of Insulin Levels in Cerebral Spinal Fluid (CSF) of Healthy Adults After a Single Intranasal Dose

NCT05866367
View directory record Official record
Conditions
Healthy
Interventions
Low dose Regular Insulin, High dose Regular insulin
Drug
Lead sponsor
HealthPartners Institute
Other
Eligibility
18 Years to 35 Years
Enrollment
2 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
Saint Paul, Minnesota
Source: ClinicalTrials.gov public record
Updated Nov 18, 2025 · Synced Sep 30, 2026, 8:38 AM EDT
Completed Phase 2 Interventional

Study of Nasal Insulin to Fight Forgetfulness - Long-acting Insulin Detemir - 21 Days

NCT01547169
View directory record Official record
Conditions
Alzheimer's Disease, Mild Cognitive Impairment
Interventions
Placebo Comparator, insulin detemir
Drug
Lead sponsor
University of Washington
Other
Eligibility
50 Years to 89 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2012
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Dec 18, 2012 · Synced Sep 30, 2026, 8:38 AM EDT
Terminated Phase 2 Interventional Accepts healthy volunteers Results available

IN Insulin in Type 1 Diabetes (T1D) Hypoglycemia Unawareness: Safety Only Phase

NCT04028960
View directory record Official record
Conditions
Type1diabetes
Interventions
Regular insulin (Humulin-R), intranasal route, SipNose intranasal device
Drug · Device
Lead sponsor
HealthPartners Institute
Other
Eligibility
18 Years and older
Enrollment
4 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated May 18, 2021 · Synced Sep 30, 2026, 8:38 AM EDT
Not yet recruiting Phase 2 Interventional

Restoring Vascular and Insulin Function To Augment Anti-Amyloid Therapy in Alzheimer's Disease

NCT07756294
View directory record Official record
Conditions
Alzheimer Disease
Interventions
Empagliflozin, Insulin, Insulin Placebo, Empagliflozin Placebo
Drug
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
55 Years to 85 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Source: ClinicalTrials.gov public record
Updated Sep 30, 2026 · Synced Sep 30, 2026, 8:38 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Effect of Single Dose Intranasal Insulin On Cognitive Function

NCT00646581
View directory record Official record
Conditions
Schizophrenia, Schizoaffective Disorder
Interventions
Placebo, Insulin (Humulin)
Drug
Lead sponsor
University of Massachusetts, Worcester
Other
Eligibility
18 Years to 65 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2010
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Feb 15, 2013 · Synced Sep 30, 2026, 8:38 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Memory Aid by Intranasal Insulin in Diabetes (MemAID)

NCT02415556
View directory record Official record
Conditions
Type 2 Diabetes Mellitus
Interventions
Regular Human Insulin, Placebo
Drug
Lead sponsor
Beth Israel Deaconess Medical Center
Other
Eligibility
50 Years to 85 Years
Enrollment
289 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2020
U.S. locations
2
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated May 19, 2022 · Synced Sep 30, 2026, 8:38 AM EDT
Terminated Phase 2 Interventional Accepts healthy volunteers Results available

Intranasal Insulin in Frontotemporal Dementia (FTD)

NCT04115384
View directory record Official record
Conditions
Frontotemporal Dementia, Behavioral Variant
Interventions
Novolin-R insulin
Drug
Lead sponsor
HealthPartners Institute
Other
Eligibility
41 Years to 89 Years
Enrollment
3 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2023
U.S. locations
1
States / cities
Saint Paul, Minnesota
Source: ClinicalTrials.gov public record
Updated Oct 27, 2023 · Synced Sep 30, 2026, 8:38 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Enhancement of Cerebral Vasoreactivity and Cognition by Intranasal Insulin in Type 2 Diabetes

NCT01206322
View directory record Official record
Conditions
Type 2 Diabetes Mellitus
Interventions
Intranasal insulin, Placebo
Drug
Lead sponsor
Beth Israel Deaconess Medical Center
Other
Eligibility
50 Years to 85 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2013
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jun 26, 2019 · Synced Sep 30, 2026, 8:38 AM EDT
Completed Phase 1 Interventional

Study of Nasal Insulin to Fight Forgetfulness - Short-Acting Insulin Aspart

NCT02462161
View directory record Official record
Conditions
Alzheimer's Disease, Mild Cognitive Impairment
Interventions
Insulin aspart, Placebo
Drug
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
50 Years to 89 Years
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2019
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Source: ClinicalTrials.gov public record
Updated Jul 28, 2025 · Synced Sep 30, 2026, 8:38 AM EDT
Completed Phase 4 Interventional Results available

Intranasal Insulin Treatment in Patients With Schizophrenia

NCT00575666
View directory record Official record
Conditions
Schizophrenia
Interventions
Insulin or Placebo
Drug
Lead sponsor
University of Massachusetts, Worcester
Other
Eligibility
18 Years to 65 Years
Enrollment
45 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2010
U.S. locations
1
States / cities
Worcester, Massachusetts
Source: ClinicalTrials.gov public record
Updated Dec 17, 2012 · Synced Sep 30, 2026, 8:38 AM EDT
Withdrawn Phase 1Phase 2 Interventional

Post Operative Delirium Study

NCT04635774
View directory record Official record
Conditions
Delirium
Interventions
Insulin, Saline
Drug
Lead sponsor
University of Kansas Medical Center
Other
Eligibility
65 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
1
States / cities
Kansas City, Kansas
Source: ClinicalTrials.gov public record
Updated Aug 21, 2024 · Synced Sep 30, 2026, 8:38 AM EDT
Completed Phase 2 Interventional Results available

Cardiac Surgery Neuroprotection Study in Elders

NCT01561378
View directory record Official record
Conditions
Post-operative Cognitive Decline, Post-operative Delirium
Interventions
Aspart insulin, Normal saline, Intranasal mucosal atomizer device
Drug · Device
Lead sponsor
Albert Einstein College of Medicine
Other
Eligibility
65 Years and older
Enrollment
22 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
1
States / cities
The Bronx, New York
Source: ClinicalTrials.gov public record
Updated Nov 10, 2021 · Synced Sep 30, 2026, 8:38 AM EDT
Completed Phase 2Phase 3 Interventional Results available

The Study of Nasal Insulin in the Fight Against Forgetfulness (SNIFF)

NCT01767909
View directory record Official record
Conditions
Amnestic Mild Cognitive Impairment, Alzheimer's Disease
Interventions
Insulin (Humulin® R U-100), Placebo
Drug
Lead sponsor
University of Southern California
Other
Eligibility
55 Years to 85 Years
Enrollment
240 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2018
U.S. locations
25
States / cities
Phoenix, Arizona • Irvine, California • New Haven, Connecticut + 18 more
Source: ClinicalTrials.gov public record
Updated Nov 20, 2024 · Synced Sep 30, 2026, 8:38 AM EDT
Terminated Phase 1Phase 2 Interventional Results available

Intranasal Insulin for the Treatment of HAND

NCT03081117
View directory record Official record
Conditions
HIV Dementia, HIV-Associated Cognitive Motor Complex
Interventions
Insulin, intranasal, Placebo, intranasal
Drug
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years to 69 Years
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2020
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 7, 2021 · Synced Sep 30, 2026, 8:38 AM EDT
Completed Phase 2 Interventional

SNIFF 120: Study of Nasal Insulin to Fight Forgetfulness (120 Days)

NCT00438568
View directory record Official record
Conditions
Mild Cognitive Impairment, Alzheimer's Disease
Interventions
Regular Insulin, Placebo
Drug
Lead sponsor
University of Washington
Other
Eligibility
55 Years and older
Enrollment
173 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2011
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Sep 14, 2012 · Synced Sep 30, 2026, 8:38 AM EDT
Completed Phase 2 Interventional Results available

Study of Nasal Insulin to Fight Forgetfulness - Long-acting Insulin Detemir - 120 Days (SL120)

NCT01595646
View directory record Official record
Conditions
Alzheimer's Disease, Mild Cognitive Impairment
Interventions
Saline, Insulin detemir, Insulin
Drug
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
50 Years to 89 Years
Enrollment
37 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2015
U.S. locations
2
States / cities
Winston-Salem, North Carolina • Tacoma, Washington
Source: ClinicalTrials.gov public record
Updated Nov 17, 2020 · Synced Sep 30, 2026, 8:38 AM EDT
Withdrawn Phase 1 Interventional Accepts healthy volunteers

Measurement of Insulin Levels in the Cerebrospinal Fluid of Healthy Adults After a Single Intranasal Dose - Middle Age

NCT06434038
View directory record Official record
Conditions
Healthy
Interventions
Low Dose Regular insulin, High Dose Regular insulin, 0.9% Saline
Drug · Other
Lead sponsor
HealthPartners Institute
Other
Eligibility
36 Years to 55 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
Saint Paul, Minnesota
Source: ClinicalTrials.gov public record
Updated Nov 25, 2025 · Synced Sep 30, 2026, 8:38 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Dose-Dependent Effect of Intranasal Insulin in Humans Using Functional Magnetic Resonance Imaging (fMRI)

NCT06144255
View directory record Official record
Conditions
Healthy
Interventions
Intranasal insulin
Drug
Lead sponsor
Florian Schmitzberger
Other
Eligibility
18 Years and older
Enrollment
6 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Mar 21, 2024 · Synced Sep 30, 2026, 8:38 AM EDT
Completed Phase 2 Interventional Results available

Intranasal Insulin for Posttraumatic Stress Disorder

NCT04044534
View directory record Official record
Conditions
PTSD
Interventions
Intranasal insulin, Placebo
Drug
Lead sponsor
VA Connecticut Healthcare System
Federal
Eligibility
21 Years to 65 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
West Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Jul 13, 2026 · Synced Sep 30, 2026, 8:38 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Effects of Intranasal Insulin on Neuroimaging Markers and Cognition in Patients With Psychotic Disorders

NCT03943537
View directory record Official record
Conditions
Psychosis, Schizophrenia, Schizo Affective Disorder, Bipolar I Disorder
Interventions
Intranasal Insulin
Drug
Lead sponsor
Mclean Hospital
Other
Eligibility
18 Years to 40 Years
Enrollment
87 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2024
U.S. locations
1
States / cities
Belmont, Massachusetts
Source: ClinicalTrials.gov public record
Updated Sep 3, 2026 · Synced Sep 30, 2026, 8:38 AM EDT
Suspended Early Phase 1 Interventional Accepts healthy volunteers

Impact of Intranasal Insulin on Sympathetic Activity and Cerebral Vasodilation

NCT05153395
View directory record Official record
Conditions
Healthy, Vasodilation, Insulin Resistance, Autonomic Dysfunction, Obesity
Interventions
Carbon dioxide breathing, Neurovascular Coupling, Human insulin
Other · Drug
Lead sponsor
University of Missouri-Columbia
Other
Eligibility
18 Years to 45 Years
Enrollment
65 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2027
U.S. locations
1
States / cities
Columbia, Missouri
Source: ClinicalTrials.gov public record
Updated Dec 19, 2025 · Synced Sep 30, 2026, 8:38 AM EDT
Completed Phase 2 Interventional Results available

Safety and Effectiveness Study of Intranasal Insulin Glulisine on Cognitive and Memory in Mild-Mod AD Patients.

NCT01436045
View directory record Official record
Conditions
Alzheimer's Disease
Interventions
Insulin glulisine, Saline
Drug
Lead sponsor
HealthPartners Institute
Other
Eligibility
65 Years to 85 Years
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2013
U.S. locations
1
States / cities
Saint Paul, Minnesota
Source: ClinicalTrials.gov public record
Updated Oct 19, 2015 · Synced Sep 30, 2026, 8:38 AM EDT
Completed Phase 2 Interventional Results available

Intranasal Insulin and Post-stroke Cognition: A Pilot Study

NCT02810392
View directory record Official record
Conditions
Stroke
Interventions
Intranasal Insulin, Intranasal saline
Drug
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
40 Years to 89 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2020
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Source: ClinicalTrials.gov public record
Updated May 13, 2021 · Synced Sep 30, 2026, 8:38 AM EDT