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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: intranasal insulin Clear all
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 10, 2026 · Synced Sep 29, 2026, 5:22 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 17, 2021 · Synced Sep 29, 2026, 5:22 PM 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 2, 2026 · Synced Sep 29, 2026, 5:22 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 12, 2013 · Synced Sep 29, 2026, 5:22 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 22, 2018 · Synced Sep 29, 2026, 5:22 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 5, 2019 · Synced Sep 29, 2026, 5:22 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 9, 2018 · Synced Sep 29, 2026, 5:22 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 30, 2025 · Synced Sep 29, 2026, 5:22 PM EDT
Enrolling by invitation No phase listed Observational

Intranasal Insulin for Autism Spectrum Disorder in Children and Young Adults Aged 4 to 21 Years

NCT07521371
View directory record Official record
Conditions
Autism Spectrum Disorder, Autism Spectrum Disorder (ASD), Autism Spectrum Disorder High-Functioning, Autism Spectrum Disorder With Absence of Functional Language, Autism Spectrum Disorder With Impaired Functional Language, Autistic Disorder of Childhood Onset With Full Syndrome, Autistic Disorders Spectrum, Autistic Disorder, Autistic Disorder in Children and Adolescents, Neurodevelopmental Disorders, Neurodevelopmental Disorders (NDD), Neurodevelopmental Disorders and Developmental Abnormalities
Interventions
Not listed
Lead sponsor
Healing Hope International
Other
Eligibility
4 Years to 21 Years
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2030
U.S. locations
1
States / cities
Spring, Texas
Source: ClinicalTrials.gov public record
Updated Apr 8, 2026 · Synced Sep 29, 2026, 5:22 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

SNIFF - Combo INI+EMPA Trial

NCT05081219
View directory record Official record
Conditions
Mild Cognitive Impairment, Cognitive Impairment, Alzheimer Disease
Interventions
Insulin (Humulin® R U-100), Empagliflozin 10 MG, Aptar Pharma CPS Intranasal Delivery Device, Placebo (Insulin Diluent), Placebo (Capsules)
Drug · Device
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
55 Years to 85 Years
Enrollment
47 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2024
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Source: ClinicalTrials.gov public record
Updated Oct 20, 2025 · Synced Sep 29, 2026, 5:22 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 16, 2020 · Synced Sep 29, 2026, 5:22 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 12, 2021 · Synced Sep 29, 2026, 5:22 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 9, 2018 · Synced Sep 29, 2026, 5:22 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 13, 2015 · Synced Sep 29, 2026, 5:22 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 20, 2024 · Synced Sep 29, 2026, 5:22 PM 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 Aug 24, 2026 · Synced Sep 29, 2026, 5:22 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 18, 2015 · Synced Sep 29, 2026, 5:22 PM 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 17, 2012 · Synced Sep 29, 2026, 5:22 PM 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 20, 2024 · Synced Sep 29, 2026, 5:22 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 Apr 1, 2026 · Synced Sep 29, 2026, 5:22 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 17, 2025 · Synced Sep 29, 2026, 5:22 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 12, 2019 · Synced Sep 29, 2026, 5:22 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 19, 2008 · Synced Sep 29, 2026, 5:22 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 25, 2019 · Synced Sep 29, 2026, 5:22 PM EDT