Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Sep 2, 2026, 11:18 PM EDT

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Showing 1–18 of 18 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Conditions
Substance Use Disorders, Opioid Use Disorder, Alcohol Use Disorder, Cocaine Use Disorder, Methamphetamine-dependence
Interventions
EDITOR (CBOT with olfactory stimulants, OFC tasks & remote monitoring of treatment compliance), CBOT with olfactory stimulants & OFC tasks, CBOT Sham
Combination Product
Lead sponsor
Evon Medics LLC
Industry
Eligibility
18 Years to 80 Years
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
3
States / cities
Washington D.C., District of Columbia • Rockville, Maryland
Not yet recruiting Phase 1 Interventional

Improving Sleep in a Psychiatric Hospital

NCT07010718
Conditions
Sleep Disorder, Mental Health Issue
Interventions
Scented Oil, Ear Plugs, Eye Mask, Video based safety check, In person safety check
Drug · Device · Behavioral
Lead sponsor
The University of Texas Health Science Center, Houston
Other
Eligibility
18 Years to 90 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2028
U.S. locations
1
States / cities
Houston, Texas
Completed Phase 2Phase 3 Interventional Accepts healthy volunteers Results available

Effects of Stress-reducing Aromatherapy

NCT01307748
Conditions
Stress-related Problems
Interventions
aroma
Other
Lead sponsor
Oregon Health and Science University
Other
Eligibility
50 Years to 85 Years
Enrollment
92 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2012
U.S. locations
1
States / cities
Portland, Oregon
Completed No phase listed Observational Accepts healthy volunteers

Biomarkers in Neural Disorders

NCT02761707
Conditions
Parkinson's Disease, Alzheimer's Disease, Progressive Supranuclear Palsy, Essential Tremor, Multiple System Atrophy, Drug Induced Parkinson's Disease, Diffuse Lewy Body Disease, Myasthenia Gravis, Spinal Cord Injuries
Interventions
Electrical Brainstem Responses, Olfactory Tests, Visual Deprivation, Peripheral Nerve Stimulation
Other
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years to 80 Years
Enrollment
54 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2019
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Conditions
Cystic Fibrosis
Interventions
Nasal endoscopy with microbiome swab and mucus collection through filter paper and sponge, Olfactory Function Testing, Survey Completion
Other
Lead sponsor
Dartmouth-Hitchcock Medical Center
Other
Eligibility
18 Years to 99 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
1
States / cities
Lebanon, New Hampshire
Conditions
Generalized Anxiety Disorder, Anxiety
Interventions
Odorant Cue
Behavioral
Lead sponsor
Emory University
Other
Eligibility
18 Years to 65 Years
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2005
U.S. locations
1
States / cities
Atlanta, Georgia
Completed Not applicable Interventional Accepts healthy volunteers Results available

Human Perception of Odors and Odor Blockers

NCT06191419
Conditions
Tobacco Smoking, Smoking Behaviors
Interventions
Odorants
Other
Lead sponsor
Tim McClintock
Other
Eligibility
18 Years to 60 Years
Enrollment
27 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
Lexington, Kentucky
Completed No phase listed Observational Accepts healthy volunteers

Experiments to Test How and Why the Sense of Smell Differs Between People

NCT00220038
Conditions
Specific Anosmias
Interventions
smell tests
Behavioral
Lead sponsor
Rockefeller University
Other
Eligibility
18 Years and older
Enrollment
500 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2004 – 2010
U.S. locations
1
States / cities
New York, New York
Conditions
Smell Dysfunction, Olfactory Disorder, Long COVID
Interventions
Trigeminal Nerve Stimulation (TNS), Active Smell Training (ST), Placebo Smell Training (PBO)
Device · Other
Lead sponsor
Medical University of South Carolina
Other
Eligibility
18 Years to 65 Years
Enrollment
145 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2028
U.S. locations
1
States / cities
Charleston, South Carolina
Conditions
Sleep, Consolidation
Interventions
Targeted memory reactivation (odors), Targeted memory reactivation (sounds)
Behavioral
Lead sponsor
Northwestern University
Other
Eligibility
18 Years to 35 Years
Enrollment
23 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2024
U.S. locations
1
States / cities
Evanston, Illinois
Conditions
Opioid Use Disorder, Moderate, Opioid Use Disorder, Severe, Withdrawal Symptoms, Craving, Negative Affectivity
Interventions
CBOT + TAU, Sham + TAU
Drug
Lead sponsor
Evon Medics LLC
Industry
Eligibility
18 Years to 70 Years
Enrollment
190 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
4
States / cities
Washington D.C., District of Columbia • Rockville, Maryland
Conditions
Odor Identity Ratings
Interventions
odor
Behavioral
Lead sponsor
Northwestern University
Other
Eligibility
12 Years to 65 Years
Enrollment
28 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2028
U.S. locations
1
States / cities
Chicago, Illinois
Conditions
HIV (Human Immunodeficiency Virus)
Interventions
Conventional Smell Training Group, Scented Marker Group
Other
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
40 Years and older
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Birmingham, Alabama
Conditions
Mild Cognitive Impairment, Early Alzheimer's Disease, Memory Impairment
Interventions
COT, Sham
Drug
Lead sponsor
Evon Medics LLC
Industry
Eligibility
55 Years to 95 Years
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
3
States / cities
Washington D.C., District of Columbia
Completed Not applicable Interventional Accepts healthy volunteers

Sensory Stimulation During Simulated Driving

NCT03726840
Conditions
Behavior
Interventions
Fragrance
Other
Lead sponsor
Children's Hospital Medical Center, Cincinnati
Other
Eligibility
24 Years to 85 Years
Enrollment
75 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
Cincinnati, Ohio
Conditions
Olfactory Impairment
Interventions
Trigeminal Nerve Stimulation-enhanced Smell Training
Combination Product
Lead sponsor
Medical University of South Carolina
Other
Eligibility
18 Years to 80 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
1
States / cities
Charleston, South Carolina
Conditions
Odor Intensity Ratings
Interventions
odor
Behavioral
Lead sponsor
Northwestern University
Other
Eligibility
12 Years to 65 Years
Enrollment
28 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2028
U.S. locations
1
States / cities
Chicago, Illinois
Completed No phase listed Observational

Legionnaires' Effect on Smell

NCT03321786
Conditions
Legionnaires' Disease
Interventions
The University of Pennsylvania Smell Identification Test (UPSIT)
Other
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years and older
Enrollment
10 participants
Timeline
2017 – 2024
U.S. locations
1
States / cities
Philadelphia, Pennsylvania