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ClinicalTrials.gov public records Last synced Oct 17, 2026, 11:06 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
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 17, 2026, 11:06 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 17, 2026, 11:06 PM EDT
Completed Phase 2 Interventional Results available

Treatment of Parkinson Disease and Multiple System Atrophy Using Intranasal Insulin.

NCT02064166
View directory record Official record
Conditions
Parkinson Disease, Multiple System Atrophy
Interventions
Intranasal Insulin
Drug
Lead sponsor
Peter Novak
Other
Eligibility
18 Years and older
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
1
States / cities
Worcester, Massachusetts
Source: ClinicalTrials.gov public record
Updated Nov 23, 2018 · Synced Oct 17, 2026, 11:06 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 17, 2026, 11:06 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 17, 2026, 11:06 PM 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 Oct 17, 2026, 11:06 PM 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 Oct 17, 2026, 11:06 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 17, 2026, 11:06 PM EDT
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 Oct 17, 2026, 11:06 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 17, 2026, 11:06 PM EDT
Terminated Phase 2 Interventional Results available

Intranasal Glulisine in Amnestic Mild Cognitive Impairment and Probable Mild Alzheimer's Disease

NCT02503501
View directory record Official record
Conditions
Mild Cognitive Impairment, Alzheimer's Disease (AD)
Interventions
Insulin glulisine, Placebo
Drug
Lead sponsor
HealthPartners Institute
Other
Eligibility
50 Years to 90 Years
Enrollment
49 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2019
U.S. locations
2
States / cities
Minneapolis, Minnesota • Saint Paul, Minnesota
Source: ClinicalTrials.gov public record
Updated Apr 9, 2020 · Synced Oct 17, 2026, 11:06 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

SNIFF Multi-Device Study 2

NCT04199767
View directory record Official record
Conditions
Mild Cognitive Impairment, Cognitive Impairment
Interventions
20 IU Humulin® R U-100 (NDC: 0002-8215, Eli Lilly & Company), 40 IU Humulin® R U-100 (NDC: 0002-8215, Eli Lilly & Company)
Drug
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
55 Years to 85 Years
Enrollment
13 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Source: ClinicalTrials.gov public record
Updated Oct 7, 2026 · Synced Oct 17, 2026, 11:06 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 17, 2026, 11:06 PM EDT
Completed Phase 1Phase 2 Interventional Results available

Effect of Intranasal Insulin on LH Concentrations in Man

NCT02154477
View directory record Official record
Conditions
Hypogonadotropic Hypogonadism
Interventions
intranasal insulin, placebo (intranasal saline)
Drug
Lead sponsor
Texas Tech University Health Sciences Center
Other
Eligibility
18 Years to 75 Years · Male only
Enrollment
14 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2017
U.S. locations
1
States / cities
Odessa, Texas
Source: ClinicalTrials.gov public record
Updated Aug 13, 2019 · Synced Oct 17, 2026, 11:06 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 17, 2026, 11:06 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 17, 2026, 11:06 PM 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 Oct 17, 2026, 11:06 PM 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 Oct 17, 2026, 11:06 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 17, 2026, 11:06 PM EDT
Terminated Phase 4 Interventional Accepts healthy volunteers Results available

Novel Approach for the Prevention of Hypoglycemia Associated Autonomic Failure (HAAF)

NCT03608163
View directory record Official record
Conditions
Diabetes Mellitus, Type 1, Hypoglycemia, Hypoglycemia Unawareness
Interventions
Naloxone, Diazoxide, Placebo (for Naloxone), Placebo (for Diazoxide)
Drug
Lead sponsor
Albert Einstein College of Medicine
Other
Eligibility
21 Years to 55 Years
Enrollment
4 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019
U.S. locations
1
States / cities
The Bronx, New York
Source: ClinicalTrials.gov public record
Updated Sep 11, 2025 · Synced Oct 17, 2026, 11:06 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 17, 2026, 11:06 PM 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 Oct 17, 2026, 11:06 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 17, 2026, 11:06 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 17, 2026, 11:06 PM EDT