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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Placebo Intranasal Spray Clear all
Withdrawn Phase 3 Interventional Accepts healthy volunteers

Evaluation of the Efficacy of Xylitol Nasal Spray Against SARS-CoV-2

NCT04610801
View directory record Official record
Conditions
Covid19
Interventions
Nasal Spray
Drug
Lead sponsor
Larkin Community Hospital
Other
Eligibility
18 Years to 90 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
2
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Oct 15, 2023 · Synced Sep 29, 2026, 2:51 AM EDT
Completed Phase 1 Interventional Results available

Oxytocin, Stress, Craving, Opioid Use Disorder

NCT04051619
View directory record Official record
Conditions
Opioid Use Disorder
Interventions
intranasal oxytocin, 40 IU, twice a day for 7 days
Drug
Lead sponsor
Brown University
Other
Eligibility
18 Years to 70 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
1
States / cities
Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated May 24, 2025 · Synced Sep 29, 2026, 2:51 AM EDT
Terminated Phase 2Phase 3 Interventional Accepts healthy volunteers Results available

Pharmacokinetic and Efficacy Profile Intranasal Scopolamine Spray

NCT02155309
View directory record Official record
Conditions
Motion Sickness
Interventions
Scopolamine, Placebo
Drug
Lead sponsor
Repurposed Therapeutics, Inc.
Industry
Eligibility
18 Years to 59 Years
Enrollment
63 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2016
U.S. locations
1
States / cities
Dayton, Ohio
Source: ClinicalTrials.gov public record
Updated Jan 16, 2018 · Synced Sep 29, 2026, 2:51 AM 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 10, 2025 · Synced Sep 29, 2026, 2:51 AM EDT
Terminated Phase 2 Interventional Results available

A Trial of Intranasal Ketamine for the Treatment of Obsessive-Compulsive Disorder

NCT02234011
View directory record Official record
Conditions
Obsessive-Compulsive Disorder
Interventions
Ketamine, Placebo
Drug
Lead sponsor
Mclean Hospital
Other
Eligibility
18 Years to 55 Years
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
1
States / cities
Belmont, Massachusetts
Source: ClinicalTrials.gov public record
Updated May 11, 2017 · Synced Sep 29, 2026, 2:51 AM EDT
Completed Phase 2 Interventional Results available

Treatment of Hyperphagia Behavioral Symptoms in Children and Adults Diagnosed With Prader-Willi Syndrome

NCT01968187
View directory record Official record
Conditions
Hyperphagia in Prader-Willi Syndrome
Interventions
FE 992097, Placebo
Drug
Lead sponsor
Ferring Pharmaceuticals
Industry
Eligibility
10 Years to 18 Years
Enrollment
38 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014
U.S. locations
3
States / cities
Gainesville, Florida • Mineola, New York • Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Mar 26, 2025 · Synced Sep 29, 2026, 2:51 AM EDT
Completed Phase 3 Interventional Results available

Multicenter Study to Evaluate the Efficacy and Safety of Metoclopramide Nasal Spray in Men With Diabetic Gastroparesis

NCT02025751
View directory record Official record
Conditions
Diabetic Gastroparesis
Interventions
Metoclopramide Nasal Spray, Placebo Nasal Spray
Drug
Lead sponsor
Evoke Pharma
Industry
Eligibility
18 Years to 75 Years · Male only
Enrollment
53 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
49
States / cities
Birmingham, Alabama • Dothan, Alabama • Huntsville, Alabama + 45 more
Source: ClinicalTrials.gov public record
Updated Jul 6, 2020 · Synced Sep 29, 2026, 2:51 AM EDT
Completed Phase 3 Interventional Results available

A Study to Evaluate the Efficacy, Pharmacokinetics, Safety and Tolerability of Flexible Doses of Intranasal Esketamine Plus an Oral Antidepressant in Adult Participants With Treatment-resistant Depression

NCT03434041
View directory record Official record
Conditions
Depressive Disorder, Treatment-Resistant
Interventions
Esketamine 56 mg, Esketamine 84 mg, Placebo, Duloxetine (Oral Antidepressant), Escitalopram (Oral Antidepressant), Sertraline (Oral Antidepressant), Venlafaxine Extended Release (XR) (Oral Antidepressant)
Drug
Lead sponsor
Janssen Research & Development, LLC
Industry
Eligibility
18 Years to 64 Years
Enrollment
252 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2021
U.S. locations
6
States / cities
Atlanta, Georgia • Shreveport, Louisiana • Gaithersburg, Maryland + 3 more
Source: ClinicalTrials.gov public record
Updated Apr 28, 2025 · Synced Sep 29, 2026, 2:51 AM EDT
Completed Phase 3 Interventional Results available

Comparison of Intranasal Kovacaine Mist, and Placebo for Anesthetizing Maxillary Teeth in Adults

NCT01745380
View directory record Official record
Conditions
Anesthesia
Interventions
Tetracaine HCl 3% and Oxymetazoline HCl 0.05%, Placebo
Drug
Lead sponsor
St. Renatus, LLC
Industry
Eligibility
18 Years and older
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013
U.S. locations
3
States / cities
Loma Linda, California • Baltimore, Maryland • Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jan 30, 2017 · Synced Sep 29, 2026, 2:51 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Oxytocin Administration in BDD and OCD

NCT02671266
View directory record Official record
Conditions
Body Dysmorphic Disorder, Obsessive-compulsive Disorder
Interventions
Oxytocin, Placebo
Drug
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years and older
Enrollment
41 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2017
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Nov 22, 2018 · Synced Sep 29, 2026, 2:51 AM EDT
Completed Phase 2 Interventional Results available

Etokimab in Adults With Chronic Rhinosinusitis With Nasal Polyps (CRSwNP)

NCT03614923
View directory record Official record
Conditions
Chronic Rhinosinusitis
Interventions
Etokimab, Placebo, Mometasone Furoate Nasal Spray
Biological · Drug
Lead sponsor
AnaptysBio, Inc.
Industry
Eligibility
18 Years to 70 Years
Enrollment
105 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
28
States / cities
Little Rock, Arkansas • Canoga Park, California • Roseville, California + 24 more
Source: ClinicalTrials.gov public record
Updated Jan 23, 2022 · Synced Sep 29, 2026, 2:51 AM EDT
Completed Phase 2Phase 3 Interventional Results available

Acute Treatment Trial in Adult Subjects With Migraines

NCT03872453
View directory record Official record
Conditions
Migraine
Interventions
Zavegepant, Zavegepant matching placebo, Intranasal Aptar Pharma Unit Dose System
Drug · Device
Lead sponsor
Pfizer
Industry
Eligibility
18 Years and older
Enrollment
2,154 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019
U.S. locations
82
States / cities
Mobile, Alabama • Phoenix, Arizona • Little Rock, Arkansas + 75 more
Source: ClinicalTrials.gov public record
Updated Sep 24, 2023 · Synced Sep 29, 2026, 2:51 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Single-ascending-dose Study of the Safety and Immunogenicity of NasoVAX

NCT03232567
View directory record Official record
Conditions
Influenza
Interventions
NasoVAX
Biological
Lead sponsor
Altimmune, Inc.
Industry
Eligibility
18 Years to 49 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
1
States / cities
Rockville, Maryland
Source: ClinicalTrials.gov public record
Updated Apr 29, 2024 · Synced Sep 29, 2026, 2:51 AM EDT
Terminated Phase 1 Interventional Accepts healthy volunteers

Oxytocin Aging Study

NCT02069431
View directory record Official record
Conditions
Inflammation
Interventions
Intranasal Oxytocin spray, Intranasal Placebo spray
Drug · Other
Lead sponsor
University of Florida
Other
Eligibility
55 Years to 100 Years
Enrollment
153 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2020
U.S. locations
2
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Jun 18, 2020 · Synced Sep 29, 2026, 2:51 AM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers

Oxytocin and Learning for Teaching

NCT02393443
View directory record Official record
Conditions
Social Psychology
Interventions
Intranasal oxytocin, Intranasal placebo
Drug
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years to 30 Years
Enrollment
161 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2016
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Aug 9, 2017 · Synced Sep 29, 2026, 2:51 AM 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, 2:51 AM EDT
Completed Phase 2 Interventional Results available

Study of Oxytocin in Autism to Improve Reciprocal Social Behaviors

NCT01944046
View directory record Official record
Conditions
Autism Spectrum Disorders
Interventions
Double blind phase Placebo Nasal Spray, double Blind Oxytocin Nasal Spray, Open Label intranasal oxytocin
Drug
Lead sponsor
Linmarie Sikich
Other
Eligibility
3 Years to 17 Years
Enrollment
290 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2017
U.S. locations
7
States / cities
Boston, Massachusetts • New York, New York • White Plains, New York + 3 more
Source: ClinicalTrials.gov public record
Updated Jun 17, 2021 · Synced Sep 29, 2026, 2:51 AM EDT
Completed Phase 2 Interventional Results available

Effect of Oxytocin on Stress Response in Cocaine-dependent Individuals

NCT01963091
View directory record Official record
Conditions
Cocaine Dependence
Interventions
oxytocin, saline
Drug
Lead sponsor
Medical University of South Carolina
Other
Eligibility
18 Years to 65 Years
Enrollment
33 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2012
U.S. locations
1
States / cities
Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Jun 3, 2018 · Synced Sep 29, 2026, 2:51 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Intranasal Oxytocin and Enhancement of Team Cohesion

NCT02302430
View directory record Official record
Conditions
Unit Cohesion
Interventions
Oxytocin, Placebo comparator
Drug · Other
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years to 28 Years
Enrollment
486 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2019
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Aug 4, 2019 · Synced Sep 29, 2026, 2:51 AM EDT
Completed Phase 4 Interventional Results available

Study of Asthma and Nasal Steroids

NCT01118312
View directory record Official record
Conditions
Asthma, Rhinitis, Sinusitis
Interventions
Mometasone Furoate monohydrate, Placebo
Drug · Other
Lead sponsor
JHSPH Center for Clinical Trials
Other
Eligibility
6 Years and older
Enrollment
388 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2015
U.S. locations
19
States / cities
Tucson, Arizona • San Diego, California • Denver, Colorado + 16 more
Source: ClinicalTrials.gov public record
Updated Nov 29, 2015 · Synced Sep 29, 2026, 2:51 AM EDT
Not yet recruiting Phase 2 Interventional

Evaluating Intranasal Oxytocin (TNX-1900) for Pain Relief and Recovery After Pituitary Surgery

NCT07730294
View directory record Official record
Conditions
Pain, Pituitary Surgery
Interventions
Oxytocin (Low dose), Oxytocin (High dose), Placebo (saline)
Drug
Lead sponsor
Yale University
Other
Eligibility
30 Years to 75 Years
Enrollment
75 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Jul 27, 2026 · Synced Sep 29, 2026, 2:51 AM EDT
Withdrawn Phase 1 Interventional Accepts healthy volunteers

Safety and Effectiveness of a Seasonal Live Attenuated Influenza Vaccine in a Human Challenge Model of Infection With Wild-type (wt) Influenza A/California/2009 (H1N1)-Like Virus

NCT02950688
View directory record Official record
Conditions
Influenza, Human
Interventions
Seasonal LAIV, Placebo, Wild-type A/California/2009-like Influenza Virus
Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 45 Years
Healthy volunteers
Accepts healthy volunteers
U.S. locations
1
States / cities
Rochester, New York
Source: ClinicalTrials.gov public record
Updated Nov 28, 2017 · Synced Sep 29, 2026, 2:51 AM EDT
Completed Phase 4 Interventional Results available

A Clinical Study To Test A Nasal Spray (Fluticasone Furoate Nasal Spray) For The Treatment Of Perennial (Year-round) Allergic Rhinitis

NCT00609674
View directory record Official record
Conditions
Rhinitis, Allergic, Perennial
Interventions
Fluticasone furoate nasal spray, Placebo
Drug
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
12 Years and older
Enrollment
315 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008
U.S. locations
12
States / cities
Baltimore, Maryland • Wheaton, Maryland • North Dartmouth, Massachusetts + 9 more
Source: ClinicalTrials.gov public record
Updated Dec 15, 2016 · Synced Sep 29, 2026, 2:51 AM EDT
Recruiting Early Phase 1 Interventional Accepts healthy volunteers

Testosterone and Neural Function

NCT06130449
View directory record Official record
Conditions
Spinal Cord Injury
Interventions
Natesto testosterone intranasal gel, Ayr Saline Nasal Gel
Drug
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years to 80 Years · Male only
Enrollment
15 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2026
U.S. locations
1
States / cities
The Bronx, New York
Source: ClinicalTrials.gov public record
Updated Jan 8, 2026 · Synced Sep 29, 2026, 2:51 AM EDT