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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Risk Perception Clear all
Recruiting Not applicable Interventional Accepts healthy volunteers

Human Laboratory Study of the Effects of Nicotine Product Claims on Appeal, Perceptions, and Use Behavior

NCT06192316
View directory record Official record
Conditions
Behavior, Risk
Interventions
3x3 between-subjects experimental exposure
Behavioral
Lead sponsor
Ohio State University Comprehensive Cancer Center
Other
Eligibility
18 Years to 65 Years
Enrollment
450 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2028
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Feb 4, 2026 · Synced Jul 21, 2026, 7:29 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

A Study of Attitudes About the Risk of Developing Type 2 Diabetes

NCT00323349
View directory record Official record
Conditions
Prediabetic State
Interventions
Oral Glucose Tolerance Testing, Education tailored to learning style preferences
Procedure · Behavioral
Lead sponsor
Eastern Virginia Medical School
Other
Eligibility
18 Years and older
Enrollment
276 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2003 – 2004
U.S. locations
2
States / cities
Norfolk, Virginia • Portsmouth, Virginia
Source: ClinicalTrials.gov public record
Updated Jun 27, 2007 · Synced Jul 21, 2026, 7:29 PM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers

Impact of Low Nicotine Cigarette Messaging on Perceptions and Cigarette Choices

NCT04740008
View directory record Official record
Conditions
Smoking, Cigarette
Interventions
Low Nicotine Content Cigarettes, Control message, Test message
Drug · Other
Lead sponsor
Masonic Cancer Center, University of Minnesota
Other
Eligibility
21 Years and older
Enrollment
64 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Feb 25, 2024 · Synced Jul 21, 2026, 7:29 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Pictorial Warning Labels & Memory for Relative & Absolute Cigarette Health-risk Information Over Time in Adult Smokers

NCT03499340
View directory record Official record
Conditions
Smoking Cessation, Smoking, Cigarette
Interventions
text-only PWL, low arousal graphic PWL, high arousal graphic PWL, absolute risk, relative risk
Behavioral
Lead sponsor
Ohio State University
Other
Eligibility
19 Years to 64 Years
Enrollment
3,213 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Apr 16, 2018 · Synced Jul 21, 2026, 7:29 PM EDT
Completed Not applicable Interventional Results available

Caring Cards to and From Veterans: A Peer Approach to Suicide Prevention

NCT04486677
View directory record Official record
Conditions
Feasibility, Acceptability, Thwarted Belongingness, Perceived Burdensomeness, Suicide Risk, Social Connectedness
Interventions
Caring Cards Group, Caring Cards Recipients
Behavioral
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
Not listed
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated May 1, 2024 · Synced Jul 21, 2026, 7:29 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Knowledge and Perception of Smoking Risks/Consequences

NCT00686101
View directory record Official record
Conditions
Cigarette Smoking, Schizophrenia
Interventions
Not listed
Lead sponsor
University of Maryland, Baltimore
Other
Eligibility
18 Years to 65 Years
Enrollment
200 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2009
U.S. locations
2
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Nov 3, 2019 · Synced Jul 21, 2026, 7:29 PM EDT
Completed Not applicable Interventional Results available

Intensive Models of HCV Care for Injection Drug Users

NCT01857245
View directory record Official record
Conditions
Hepatitis C, Medication Adherence
Interventions
Intensive Models (mDOT and CGT) of HCV Care
Other
Lead sponsor
Prisma Health-Upstate
Other
Eligibility
18 Years and older
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2017
U.S. locations
1
States / cities
Greenville, South Carolina
Source: ClinicalTrials.gov public record
Updated Feb 2, 2025 · Synced Jul 21, 2026, 7:29 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

The Influence of Breast Cancer Risk and Risk Perception on Lifestyle Behaviors Among Women With a Family History: A Mixed Method Approach

NCT00393406
View directory record Official record
Conditions
Breast Neoplasms
Interventions
Not listed
Lead sponsor
National Institute of Environmental Health Sciences (NIEHS)
NIH
Eligibility
35 Years to 74 Years · Female only
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2008
U.S. locations
1
States / cities
Research Triangle Park, North Carolina
Source: ClinicalTrials.gov public record
Updated Jul 1, 2017 · Synced Jul 21, 2026, 7:29 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

COVID-19 Knowledge, Attitudes, Practices and Perceived Risk: Cross Sectional Mixed Methods

NCT07021716
View directory record Official record
Conditions
COVID - 19, Multiple Sclerosis
Interventions
No Interventions
Other
Lead sponsor
Hunter College of City University of New York
Other
Eligibility
18 Years and older
Enrollment
148 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jun 14, 2025 · Synced Jul 21, 2026, 7:29 PM EDT
Completed Not applicable Interventional Results available

Using Explainable AI Risk Predictions to Nudge Influenza Vaccine Uptake

NCT05009251
View directory record Official record
Conditions
Influenza, Vaccination, Health Promotion, Health Behavior, Risk Reduction
Interventions
Reminder, Risk reduction, Medical records-based recommendation, Algorithm-based recommendation
Behavioral
Lead sponsor
National Bureau of Economic Research, Inc.
Other
Eligibility
18 Years and older
Enrollment
45,061 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
Danville, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jan 2, 2025 · Synced Jul 21, 2026, 7:29 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

The BE WITH Project: A Partially Nested Randomized Control Trial (PN-RCT)

NCT07204444
View directory record Official record
Conditions
Older Adults, Mental Health, Depression, Loneliness, Social Isolation, Suicide Ideations, Social Functioning, Quality of Life, Thwarted Belongingness, Perceived Burdensomeness, Help-Seeking Behavior, Suicide Risk
Interventions
standardized and manualized warm calls from providers trained in the BE training, standardized and manualized warm calls from providers trained in the BE training + ASIST training
Behavioral
Lead sponsor
University of Florida
Other
Eligibility
55 Years and older
Enrollment
671 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2024
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Nov 11, 2025 · Synced Jul 21, 2026, 7:29 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

How Clinical and Personal Information Shape Physicians' Risk Judgments

NCT07162376
View directory record Official record
Conditions
Major Adverse Cardiac Event (MACE)
Interventions
Personal Information Disclosure
Behavioral
Lead sponsor
University of Maryland, College Park
Other
Eligibility
18 Years and older
Enrollment
300 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025
U.S. locations
1
States / cities
College Park, Maryland
Source: ClinicalTrials.gov public record
Updated Jan 15, 2026 · Synced Jul 21, 2026, 7:29 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Sound Estimation and Accuracy Task

NCT02271685
View directory record Official record
Conditions
Parkinson's, Alzheimer Disease
Interventions
Instructions about Overestimates, Instructions about Parkinson's, Instructions about Underestimates, Instructions about Alzheimers
Other
Lead sponsor
Carnegie Mellon University
Other
Eligibility
18 Years and older
Enrollment
600 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated May 20, 2015 · Synced Jul 21, 2026, 7:29 PM EDT
Completed No phase listed Observational

Parents With Bipolar Disorder: Relationship of Adaptation to Own Illness With Risk Perception and Coping With Perceived Risk to a Child

NCT01012180
View directory record Official record
Conditions
Bipolar Disorder
Interventions
Not listed
Lead sponsor
National Human Genome Research Institute (NHGRI)
NIH
Eligibility
18 Years to 90 Years
Enrollment
266 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2013
U.S. locations
2
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Apr 4, 2018 · Synced Jul 21, 2026, 7:29 PM EDT
Completed Not applicable Interventional

Nudging Flu Vaccination in Patients at Moderately High Risk for Flu and Flu-related Complications

NCT05509283
View directory record Official record
Conditions
Influenza, Vaccination, Health Promotion, Health Behavior, Risk Reduction
Interventions
Risk Reduction
Behavioral
Lead sponsor
Geisinger Clinic
Other
Eligibility
18 Years and older
Enrollment
40,671 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022
U.S. locations
1
States / cities
Danville, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Dec 4, 2022 · Synced Jul 21, 2026, 7:29 PM EDT
Completed Not applicable Interventional

Parent Perceptions of Weight Status: Impact of a Pilot Intervention

NCT00867373
View directory record Official record
Conditions
Obesity
Interventions
Education Intervention
Behavioral
Lead sponsor
University of Colorado, Denver
Other
Eligibility
3 Years to 13 Years
Enrollment
222 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2008
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Apr 25, 2013 · Synced Jul 21, 2026, 7:29 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Music-Based Interventions, Aging, Alzheimer's Disease

NCT06152211
View directory record Official record
Conditions
Speech Perception, Anxiety, Social Behavior
Interventions
Choir, Group Music Listening
Behavioral
Lead sponsor
University of Southern California
Other
Eligibility
65 Years and older
Enrollment
66 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Aug 1, 2024 · Synced Jul 21, 2026, 7:29 PM EDT
Completed Phase 1 Interventional

Metro Atlanta Heart Disease Study - II (MAHDS II)

NCT01235702
View directory record Official record
Conditions
African Americans With Hypertension.
Interventions
12-week lifestyle modification
Behavioral
Lead sponsor
Morehouse School of Medicine
Other
Eligibility
21 Years to 65 Years
Enrollment
210 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2003
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Nov 4, 2010 · Synced Jul 21, 2026, 7:29 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Local Anesthesia and Pain Perception During an Amniocentesis

NCT00583011
View directory record Official record
Conditions
Pregnancy
Interventions
Local Anesthesia, Placebo Group
Drug
Lead sponsor
University of Oklahoma
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
76 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2011
U.S. locations
1
States / cities
Oklahoma City, Oklahoma
Source: ClinicalTrials.gov public record
Updated Feb 2, 2021 · Synced Jul 21, 2026, 7:29 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

A Multicomponent Intervention to Increase HIV Risk Perceptions and PrEP Initiation Among Black Men Who Have Sex With Men

NCT04533386
View directory record Official record
Conditions
HIV Risk Perception, PrEP
Interventions
Multi-component intervention strategy
Behavioral
Lead sponsor
George Washington University
Other
Eligibility
18 Years and older · Male only
Enrollment
69 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2022
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 13, 2025 · Synced Jul 21, 2026, 7:29 PM EDT
Withdrawn No phase listed Observational

Knowledge and Perceptions About Human Papillomavirus and Cervical Cancer Risk Among Young Adults

NCT00736216
View directory record Official record
Conditions
Cervical Cancer, Precancerous Condition
Interventions
survey administration
Other
Lead sponsor
Case Comprehensive Cancer Center
Other
Eligibility
18 Years to 24 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2008
U.S. locations
8
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Mar 18, 2015 · Synced Jul 21, 2026, 7:29 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Perceptions Regarding Investigational Screening for Memory Problems in Primary Care

NCT00759252
View directory record Official record
Conditions
Dementia
Interventions
Not listed
Lead sponsor
Indiana University
Other
Eligibility
65 Years and older
Enrollment
954 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2011
U.S. locations
1
States / cities
Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated Aug 27, 2015 · Synced Jul 21, 2026, 7:29 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers

Health SMART (Stress Management and Relaxation Training)

NCT01048528
View directory record Official record
Conditions
Breast Cancer
Interventions
Cognitive Behavioral Stress Management (CBSM)
Behavioral
Lead sponsor
Fred Hutchinson Cancer Center
Other
Eligibility
18 Years to 60 Years · Female only
Enrollment
33 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2012
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Mar 26, 2012 · Synced Jul 21, 2026, 7:29 PM EDT
Completed No phase listed Observational

Clinical Implementation of a Polygenic Risk Score (PRS) for Breast Cancer

NCT03688204
View directory record Official record
Conditions
Breast Cancer Risk
Interventions
Not listed
Lead sponsor
Ambry Genetics
Industry
Eligibility
18 Years and older · Female only
Enrollment
118 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
3
States / cities
Burbank, California • Orange, California • Huntington, West Virginia
Source: ClinicalTrials.gov public record
Updated Mar 6, 2022 · Synced Jul 21, 2026, 7:29 PM EDT