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ClinicalTrials.gov public records Last synced Oct 22, 2026, 8:24 PM EDT

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Showing 1–24 of 48 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Intranasal insulin Clear all
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 Oct 22, 2026, 8:24 PM 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 Oct 22, 2026, 8:24 PM 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 Oct 22, 2026, 8:24 PM EDT
Recruiting Phase 2 Interventional

Intranasal Insulin and Glutathione as an Add-On Therapy in Parkinson's Disease

NCT05266417
View directory record Official record
Conditions
Parkinson Disease
Interventions
INS-GSH, Matched Placebos
Drug
Lead sponsor
Gateway Institute for Brain Research
Industry
Eligibility
30 Years and older
Enrollment
56 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2027
U.S. locations
4
States / cities
Davie, Florida • Hialeah, Florida • Miami, Florida + 1 more
Source: ClinicalTrials.gov public record
Updated Jul 22, 2026 · Synced Oct 22, 2026, 8:24 PM EDT
Completed Phase 2 Interventional

A Study to Evaluate the Effect of Nasal Insulin on Postprandial Glycemic Control in Type 2 Diabetic Patients

NCT00624767
View directory record Official record
Conditions
Diabetes Mellitus
Interventions
Insulin (recombinant human insulin), NovoLog
Drug
Lead sponsor
Nastech Pharmaceutical Company, Inc.
Industry
Eligibility
18 Years to 65 Years
Enrollment
18 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008
U.S. locations
1
States / cities
San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated May 20, 2008 · Synced Oct 22, 2026, 8:24 PM 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 Oct 22, 2026, 8:24 PM EDT
Not listed Phase 2 Interventional

Intranasal Insulin: A Novel Treatment for Gulf War Multisymptom Illness

NCT01802944
View directory record Official record
Conditions
Chronic Multisymptom Illness in Gulf War Veterans
Interventions
Intranasal Insulin, Placebos
Drug
Lead sponsor
Bronx Veterans Medical Research Foundation, Inc
Other
Eligibility
40 Years to 89 Years
Enrollment
114 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2017
U.S. locations
2
States / cities
Boston, Massachusetts • The Bronx, New York
Source: ClinicalTrials.gov public record
Updated Oct 6, 2017 · Synced Oct 22, 2026, 8:24 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Intranasal Insulin for Weight Management During Smoking Cessation

NCT02028871
View directory record Official record
Conditions
Tobacco Abstinence Syndrome
Interventions
Intranasal Insulin, Placebo
Drug
Lead sponsor
Ajna Hamidovic
Other
Eligibility
18 Years to 65 Years
Enrollment
26 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2016
U.S. locations
2
States / cities
Albuquerque, New Mexico
Source: ClinicalTrials.gov public record
Updated Dec 10, 2018 · Synced Oct 22, 2026, 8:24 PM EDT
Completed Phase 2 Interventional Results available

Effects of Nasulin Versus Placebo on Blood Glucose Control in Patient Volunteers With Type 2 Diabetes Mellitus

NCT00850096
View directory record Official record
Conditions
Type 2 Diabetes
Interventions
Placebo for Nasulin, Nasulin
Other · Drug
Lead sponsor
CPEX Pharmaceuticals Inc.
Industry
Eligibility
18 Years to 90 Years
Enrollment
94 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2010
U.S. locations
21
States / cities
Chandler, Arizona • Escondido, California • La Jolla, California + 17 more
Source: ClinicalTrials.gov public record
Updated Dec 13, 2013 · Synced Oct 22, 2026, 8:24 PM 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 Oct 22, 2026, 8:24 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Efficacy Study of Intranasal Insulin to Treat Tobacco Abstinence Syndrome

NCT01781234
View directory record Official record
Conditions
Tobacco Abstinence Syndrome
Interventions
Intranasal Insulin, Placebo
Drug
Lead sponsor
Ajna Hamidovic
Other
Eligibility
18 Years to 65 Years
Enrollment
51 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2016
U.S. locations
1
States / cities
Albuquerque, New Mexico
Source: ClinicalTrials.gov public record
Updated Dec 10, 2018 · Synced Oct 22, 2026, 8:24 PM 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 Oct 22, 2026, 8:24 PM EDT
Recruiting Phase 1Phase 2 Interventional

Intranasal Insulin for Treatment of Alcohol Use Disorder

NCT05988632
View directory record Official record
Conditions
Alcohol Use Disorder
Interventions
Regular Human Insulin then Placebo, Placebo then Regular Human Insulin
Drug
Lead sponsor
Brown University
Other
Eligibility
21 Years and older
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated Sep 30, 2026 · Synced Oct 22, 2026, 8:24 PM 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 Oct 22, 2026, 8:24 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Food Intake and Intra-Nasal Insulin for African American Adults (FIINAAL)

NCT04739371
View directory record Official record
Conditions
Insulin
Interventions
Insulin, Regular, Human, Placebo
Drug
Lead sponsor
Pennington Biomedical Research Center
Other
Eligibility
45 Years to 65 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Baton Rouge, Louisiana
Source: ClinicalTrials.gov public record
Updated Nov 29, 2023 · Synced Oct 22, 2026, 8:24 PM 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 Oct 22, 2026, 8:24 PM EDT
Completed Phase 1 Interventional Results available

Investigation of the Safety of Intranasal Glulisine in Down Syndrome

NCT02432716
View directory record Official record
Conditions
Down Syndrome
Interventions
Insulin glulisine, Saline
Drug
Lead sponsor
HealthPartners Institute
Other
Eligibility
35 Years to 80 Years
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2018
U.S. locations
1
States / cities
Saint Paul, Minnesota
Source: ClinicalTrials.gov public record
Updated Dec 6, 2019 · Synced Oct 22, 2026, 8:24 PM EDT
Recruiting Phase 2Phase 3 Interventional

Exercise and Intranasal Insulin in Type 2 Diabetes

NCT07675499
View directory record Official record
Conditions
Type 2 Diabetes, Insulin Sensitivity/Resistance, Cognition, Brain Blood Flow
Interventions
Intranasal Insulin, Intranasal Placebo, High Intensity Exercise
Drug · Behavioral
Lead sponsor
Rutgers, The State University of New Jersey
Other
Eligibility
55 Years to 80 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2029
U.S. locations
4
States / cities
New Brunswick, New Jersey • Piscataway, New Jersey
Source: ClinicalTrials.gov public record
Updated Jun 30, 2026 · Synced Oct 22, 2026, 8:24 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Study of Nasal Insulin to Fight Forgetfulness - Device Study

NCT03857321
View directory record Official record
Conditions
Mild Cognitive Impairment, Cognitive Impairment
Interventions
Insulin, Placebo, intranasal nebulizer-like device
Drug · Other · Device
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
55 Years to 85 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Source: ClinicalTrials.gov public record
Updated Oct 31, 2025 · Synced Oct 22, 2026, 8:24 PM EDT
Recruiting Phase 1 Interventional

Safety and Feasibility of Intranasal Insulin in Patients With Spinal Cord Injury

NCT07384052
View directory record Official record
Conditions
Spinal Cord Injury
Interventions
Regular Insulin, 0.9 % Normal Saline
Drug · Other
Lead sponsor
HealthPartners Institute
Other
Eligibility
18 Years to 84 Years
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Saint Paul, Minnesota
Source: ClinicalTrials.gov public record
Updated Sep 15, 2026 · Synced Oct 22, 2026, 8:24 PM EDT
Completed Phase 2 Interventional Results available

Intranasal Insulin in Parkinson's Disease

NCT04251585
View directory record Official record
Conditions
Parkinson Disease
Interventions
Regular Novolin R, Placebo
Drug
Lead sponsor
HealthPartners Institute
Other
Eligibility
41 Years to 89 Years
Enrollment
31 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2024
U.S. locations
1
States / cities
Saint Paul, Minnesota
Source: ClinicalTrials.gov public record
Updated Feb 11, 2026 · Synced Oct 22, 2026, 8:24 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Dose-Finding Study of Intranasal Insulin in Healthy Participants Insulin in Healthy Participants

NCT05062785
View directory record Official record
Conditions
Out-Of-Hospital Cardiac Arrest, Healthy
Interventions
Intranasal insulin
Drug
Lead sponsor
Robert Silbergleit
Other
Eligibility
18 Years and older
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Mar 27, 2026 · Synced Oct 22, 2026, 8:24 PM EDT
Completed Phase 1Phase 2 Interventional Results available

Intranasal Insulin for Improving Cognitive Function in Multiple Sclerosis

NCT02988401
View directory record Official record
Conditions
Multiple Sclerosis, Relapsing-Remitting, Multiple Sclerosis, Secondary Progressive, Multiple Sclerosis, Primary Progressive
Interventions
Insulin, Placebo (Sterile diluent)
Drug
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years to 70 Years
Enrollment
105 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2021
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 10, 2023 · Synced Oct 22, 2026, 8:24 PM 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 Oct 22, 2026, 8:24 PM EDT