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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Perception Disorders Clear all
Completed Phase 4 Interventional

Effects of Insulin in Perceived Mood Symptoms in Patients With Type 2 Diabetes

NCT00191178
View directory record Official record
Conditions
Type 2 Diabetes
Interventions
insulin lispro protamine suspension:insulin lispro rDNA origin low mix, insulin glargine
Drug
Lead sponsor
Eli Lilly and Company
Industry
Eligibility
21 Years to 79 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2005
U.S. locations
1
States / cities
Charlottesville, Virginia
Source: ClinicalTrials.gov public record
Updated Oct 12, 2010 · Synced Jul 23, 2026, 8:16 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Sensory Processing in Subjects With Painful Bladder Syndrome

NCT00903643
View directory record Official record
Conditions
Painful Bladder Syndrome
Interventions
Physical examination
Other
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
19 Years to 75 Years
Enrollment
34 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2014
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Jul 21, 2014 · Synced Jul 23, 2026, 8:16 AM EDT
Not listed No phase listed Observational Accepts healthy volunteers

Physician Perceptions About Parenteral Hydration in Latin America and Spain

NCT01011140
View directory record Official record
Conditions
Dehydration, Advanced Cancers
Interventions
Survey
Behavioral
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
516 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2020
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Jan 13, 2019 · Synced Jul 23, 2026, 8:16 AM EDT
Active, not recruiting Not applicable Interventional

Psychoeducation for Uveal Melanoma

NCT06075589
View directory record Official record
Conditions
Uveal Melanoma
Interventions
Education for Intervention, Best Practice
Behavioral
Lead sponsor
Jonsson Comprehensive Cancer Center
Other
Eligibility
18 Years and older
Enrollment
108 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Mar 18, 2026 · Synced Jul 23, 2026, 8:16 AM EDT
Recruiting Phase 1 Interventional Accepts healthy volunteers

Investigating the Mechanisms of the Effects of Psilocybin on Visual Perception and Visual Representations in the Brain

NCT05265546
View directory record Official record
Conditions
Perception Disorders
Interventions
Psilocybin
Drug
Lead sponsor
University of California, Berkeley
Other
Eligibility
21 Years and older
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2028
U.S. locations
1
States / cities
Berkeley, California
Source: ClinicalTrials.gov public record
Updated Jul 9, 2026 · Synced Jul 23, 2026, 8:16 AM EDT
Completed No phase listed Observational

Anticipated and Perceived Benefits Following Hepatitis C Treatment

NCT03000023
View directory record Official record
Conditions
Hepatitis C, Hepatitis C, Chronic
Interventions
Not listed
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
21 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Oct 23, 2018 · Synced Jul 23, 2026, 8:16 AM EDT
Completed Not applicable Interventional

Effect of HMOs as Nutritional Support for Normal Bowel Movements in IBS Patients

NCT03550742
View directory record Official record
Conditions
Irritable Bowel Syndrome (IBS)
Interventions
Fuco-N-Tetraose
Other
Lead sponsor
Glycom, Inc.
Industry
Eligibility
18 Years and older
Enrollment
317 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Apr 24, 2019 · Synced Jul 23, 2026, 8:16 AM EDT
Not yet recruiting Phase 4 Interventional Accepts healthy volunteers

Pain Perception During Intra-Articular Knee Joint Injection: What is the Effect of Needle Gauge and the Use of Ethyl Chloride?

NCT06865170
View directory record Official record
Conditions
Osteoarthritis (OA) of the Knee, Fear of Needles
Interventions
25 gauge needle, 22 gauge needle, +/- Ethyl Chloride Topical Aerosol Anesthetic
Procedure
Lead sponsor
University of California, Davis
Other
Eligibility
40 Years to 89 Years
Enrollment
88 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026
U.S. locations
1
States / cities
Sacramento, California
Source: ClinicalTrials.gov public record
Updated Jun 28, 2026 · Synced Jul 23, 2026, 8:16 AM EDT
Recruiting Not applicable Interventional

Evaluating a Deep Neural Noise-Reduction Algorithm for Hearing Aids

NCT07287774
View directory record Official record
Conditions
Hearing Loss, Cochlear
Interventions
Hearing Aid Noise Reduction - Off, Hearing Aid Noise Reduction - Low, Hearing Aid Noise Reduction - High, Negative SNR, Zero signal-to-noise ratio, Positive SNR
Device · Other
Lead sponsor
Purdue University
Other
Eligibility
18 Years and older
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
West Lafayette, Indiana
Source: ClinicalTrials.gov public record
Updated Dec 16, 2025 · Synced Jul 23, 2026, 8:16 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Human Visual and Vestibular Motion Perception Study

NCT04142697
View directory record Official record
Conditions
Vestibular Disease
Interventions
Heading direction adaptation
Behavioral
Lead sponsor
University of Rochester
Other
Eligibility
18 Years to 80 Years
Enrollment
300 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2027
U.S. locations
1
States / cities
Rochester, New York
Source: ClinicalTrials.gov public record
Updated Jan 11, 2026 · Synced Jul 23, 2026, 8:16 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Study of Pain Perception Between Males and Females Following Laparoscopic Cholecystectomy

NCT00575276
View directory record Official record
Conditions
Cholecystitis, Acute, Cholecystitis, Chronic
Interventions
Not listed
Lead sponsor
The University of Texas Health Science Center at San Antonio
Other
Eligibility
18 Years to 90 Years
Enrollment
102 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2009
U.S. locations
1
States / cities
San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated Mar 7, 2012 · Synced Jul 23, 2026, 8:16 AM EDT
Completed Not applicable Interventional

Effectiveness Study of STAR (Sensory Therapies and Research) Intervention for School-Based Occupational Therapy Services for Students With Sensory Processing Challenges

NCT04769674
View directory record Official record
Conditions
Sensory Processing Disorder
Interventions
Sensory Integration Intervention through the STAR Frame of Reference
Other
Lead sponsor
Boston University Charles River Campus
Other
Eligibility
3 Years to 8 Years
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
Norfolk, Massachusetts
Source: ClinicalTrials.gov public record
Updated Feb 8, 2022 · Synced Jul 23, 2026, 8:16 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

The Good Tastes Study: Young Children's Food Acceptance Patterns

NCT04549233
View directory record Official record
Conditions
Food Neophobia, Parenting
Interventions
Not listed
Lead sponsor
University of Colorado, Denver
Other
Eligibility
6 Months to 24 Months
Enrollment
110 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Sep 15, 2020 · Synced Jul 23, 2026, 8:16 AM EDT
Completed Phase 1Phase 2 Interventional Results available

PRISM Race and Communication Pilot RCT

NCT04915079
View directory record Official record
Conditions
Discrimination, Racial, Communication, Chronic Illness, Bias, Racial
Interventions
Promoting Resilience in Stress Management (PRISM)
Behavioral
Lead sponsor
University of Washington
Other
Eligibility
18 Years and older
Enrollment
28 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Apr 29, 2026 · Synced Jul 23, 2026, 8:16 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Project Hypnos: The Impact of a Brief Hypnosis Intervention on Single-limb Dynamic Balance in People With Chronic Ankle Instability

NCT06390072
View directory record Official record
Conditions
Ankle Sprains, Motor Coordination or Function; Developmental Disorder
Interventions
Self-Hypnosis, Ankle Education
Behavioral
Lead sponsor
Ohio University
Other
Eligibility
18 Years and older
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023
U.S. locations
1
States / cities
Athens, Ohio
Source: ClinicalTrials.gov public record
Updated Apr 28, 2024 · Synced Jul 23, 2026, 8:16 AM EDT
Completed Not applicable Interventional Results available

Modulation of Emotion Perception in Humans Via Amygdala Stimulation

NCT05292183
View directory record Official record
Conditions
Refractory Epilepsy
Interventions
Electrical Stimulation
Other
Lead sponsor
Dartmouth-Hitchcock Medical Center
Other
Eligibility
18 Years and older
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
1
States / cities
Lebanon, New Hampshire
Source: ClinicalTrials.gov public record
Updated Sep 21, 2025 · Synced Jul 23, 2026, 8:16 AM EDT
Completed Not applicable Interventional Results available

Role of Endorphins in Perception of Dyspnea With Resistive Loading in Chronic Obstructive Pulmonary Disease (COPD)

NCT00958919
View directory record Official record
Conditions
Chronic Obstructive Pulmonary Disease
Interventions
naloxone, normal saline
Drug
Lead sponsor
Dartmouth-Hitchcock Medical Center
Other
Eligibility
50 Years to 90 Years
Enrollment
14 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2010
U.S. locations
1
States / cities
Lebanon, New Hampshire
Source: ClinicalTrials.gov public record
Updated Apr 10, 2013 · Synced Jul 23, 2026, 8:16 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

CARE: Cancer Risk Perception and Women of Color

NCT06036875
View directory record Official record
Conditions
Breast Carcinoma
Interventions
Non-Interventional Study
Other
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years to 50 Years · Female only
Enrollment
324 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2026
U.S. locations
3
States / cities
Scottsdale, Arizona • Tucson, Arizona • Jacksonville, Florida
Source: ClinicalTrials.gov public record
Updated Mar 9, 2026 · Synced Jul 23, 2026, 8:16 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Effect of a Non-Operating Room Anesthesia (NORA) Safety Video on Clinician Anxiety and Perceived Self-Efficacy

NCT05220943
View directory record Official record
Conditions
Anxiety, Self Efficacy
Interventions
Video
Behavioral
Lead sponsor
Dartmouth-Hitchcock Medical Center
Other
Eligibility
Not listed
Enrollment
78 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Lebanon, New Hampshire
Source: ClinicalTrials.gov public record
Updated Jul 24, 2022 · Synced Jul 23, 2026, 8:16 AM EDT
Withdrawn Not applicable Interventional Accepts healthy volunteers

The Role of GLP-1 in Satiety Perception in Humans

NCT01152333
View directory record Official record
Conditions
Appetite Regulation, Obesity
Interventions
Exendin-(9-39) Acetate, Saline 0.9%
Drug
Lead sponsor
University of Washington
Other
Eligibility
18 Years to 29 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2016
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Jun 18, 2015 · Synced Jul 23, 2026, 8:16 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Effect of Artificial Sweeteners (AFS) on Sweetness Sensitivity, Preference and Brain Response in Adults

NCT02335021
View directory record Official record
Conditions
Impairment of Oral Perception, Insulin Resistance
Interventions
Sucralose, Sucrose, Sucralose + maltodextrin, Sucralose + Sucrose
Dietary Supplement
Lead sponsor
Yale University
Other
Eligibility
23 Years to 45 Years
Enrollment
97 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2019
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Sep 25, 2019 · Synced Jul 23, 2026, 8:16 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

To Evaluate the Effects of Viviscal Oral Supplements When Used by Females With Self-perceived Thinning Hair

NCT02288858
View directory record Official record
Conditions
Hair Thinning
Interventions
Viviscal Oral Supplement Tablets
Dietary Supplement
Lead sponsor
Irish Response t/a Lifes2good
Industry
Eligibility
24 Years to 55 Years
Enrollment
96 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011
U.S. locations
1
States / cities
Richardson, Texas
Source: ClinicalTrials.gov public record
Updated Nov 13, 2014 · Synced Jul 23, 2026, 8:16 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Spectral Dynamics and Speech Understanding by Hearing Impaired People

NCT01867515
View directory record Official record
Conditions
Hearing Loss, Sensorineural
Interventions
Acoustic distortion of speech
Other
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years to 65 Years
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2016
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Apr 25, 2018 · Synced Jul 23, 2026, 8:16 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Enhancing Caregiver Empathy by Empowering Patients to Discuss Their Values

NCT05055141
View directory record Official record
Conditions
No Condition is the Focus of the Study
Interventions
Care to Share poster
Other
Lead sponsor
The Cleveland Clinic
Other
Eligibility
18 Years and older
Enrollment
539 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Oct 1, 2023 · Synced Jul 23, 2026, 8:16 AM EDT