Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Sep 3, 2026, 2:30 AM EDT

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Showing 1–10 of 10 matching trials from the live ClinicalTrials.gov search.
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Conditions
Parkinson's Disease
Interventions
Rasagiline, Placebo
Drug
Lead sponsor
The Parkinson's Institute
Other
Eligibility
Up to 90 Years
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2014
U.S. locations
1
States / cities
Sunnyvale, California
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
Terminated No phase listed Observational Accepts healthy volunteers

ScentAware and OCT in MCI vs HC

NCT06377241
Conditions
Alzheimer Disease, Early Onset
Interventions
ScentAware, UPSIT
Device
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
50 Years to 80 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024
U.S. locations
1
States / cities
Madison, Wisconsin
Conditions
Alzheimer Disease, Mild Cognitive Impairment, Delirium, Dementia, Amnestic, Cognitive Disorders
Interventions
Donepezil
Drug
Lead sponsor
New York State Psychiatric Institute
Other
Eligibility
55 Years to 95 Years
Enrollment
121 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2019
U.S. locations
1
States / cities
New York, New York
Conditions
Skull Base Pathology
Interventions
endoscopic endonasal surgery with UPSIT
Procedure
Lead sponsor
Ricardo L. Carrau, MD
Other
Eligibility
18 Years and older
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2017
U.S. locations
1
States / cities
Columbus, Ohio
Conditions
Mild Cognitive Impairment
Interventions
Donepezil, Atropine
Drug
Lead sponsor
New York State Psychiatric Institute
Other
Eligibility
55 Years to 95 Years
Enrollment
41 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2016
U.S. locations
1
States / cities
New York, New York
Recruiting No phase listed Observational Accepts healthy volunteers

GBPDC: Gut-Brain in PD Consortium Master Protocol

NCT07567794
Conditions
Parkinson Disease (PD), PARKINSON DISEASE (Disorder), Gut Microbiome, Gut Microbiota, Prodromal Parkinsons Disease
Interventions
Not listed
Lead sponsor
Duke University
Other
Eligibility
21 Years to 80 Years
Enrollment
250 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2028
U.S. locations
7
States / cities
Stanford, California • Chicago, Illinois • Boston, Massachusetts + 3 more
Conditions
Stage 0 Nasopharyngeal Carcinoma, Stage 0 Paranasal Sinus Cancer, Stage I Nasopharyngeal Carcinoma, Stage I Paranasal Sinus Cancer, Stage II Nasopharyngeal Carcinoma, Stage II Paranasal Sinus Cancer, Stage IIA Nasopharyngeal Carcinoma, Stage IIB Nasopharyngeal Carcinoma, Stage III Nasopharyngeal Carcinoma, Stage III Paranasal Sinus Cancer, Stage IV Nasopharyngeal Carcinoma, Stage IV Paranasal Sinus Cancer, Stage IVA Nasopharyngeal Carcinoma, Stage IVA Paranasal Sinus Cancer, Stage IVB Nasopharyngeal Carcinoma, Stage IVB Paranasal Sinus Cancer, Stage IVC Nasopharyngeal Carcinoma, Stage IVC Paranasal Sinus Cancer
Interventions
Physiologic Testing, Quality-of-Life Assessment, Sham Intervention, Therapeutic Procedure, rose essential oil, lemon essential oil, clove essential oil, eucalyptus essential oil, canola oil placebo
Other · Procedure
Lead sponsor
Stanford University
Other
Eligibility
19 Years and older
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
1
States / cities
Palo Alto, California
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