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Showing 1–24 of 25 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Neutral Message Clear all
Recruiting Not applicable Interventional

Optimizing Strategies to Maximize Patient Recruitment Yield

NCT07290335
View directory record Official record
Conditions
Recruitment
Interventions
Baseline (control) message, Positively-valenced message, Payment-inclusive message, Positively-valenced, payment-inclusive message
Behavioral
Lead sponsor
Emory University
Other
Eligibility
18 Years and older
Enrollment
100,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Feb 24, 2026 · Synced Sep 6, 2026, 9:06 AM EDT
Enrolling by invitation Not applicable Interventional

Testing Alcohol Cancer Risk Messages

NCT07365813
View directory record Official record
Conditions
Alcohol, Cancer
Interventions
Text-only messages, AI-developed Neutral pictorial messages, AI-developed graphic pictorial messages
Behavioral
Lead sponsor
University of Miami
Other
Eligibility
21 Years and older
Enrollment
850 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated May 21, 2026 · Synced Sep 6, 2026, 9:06 AM EDT
Completed Not applicable Interventional

Effects of Thoracic Orthopedic Manual Therapy and Biopsychosocial Variables on Signs of Shoulder Impingement

NCT01743833
View directory record Official record
Conditions
Shoulder Impingement
Interventions
Thoracic High Velocity, Low Amplitude Thrust Maneuver (HVLATM), Scapular High Velocity, Low Amplitude Thrust Maneuver
Other
Lead sponsor
UConn Health
Other
Eligibility
18 Years to 69 Years
Enrollment
97 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2012
U.S. locations
1
States / cities
Farmington, Connecticut
Source: ClinicalTrials.gov public record
Updated Apr 25, 2017 · Synced Sep 6, 2026, 9:06 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Neural Mechanisms of Interpersonal Expectations on Negative Affect

NCT06980090
View directory record Official record
Conditions
Negative Affectivity, Non-invasive Brain Stimulation, Placebo Effect, Expectations
Interventions
Session A: Positive Placebo + Active tTIS, Session B: Positive Placebo + Sham tTIS, Session C: Negative Placebo + Active tTIS, Session D: Negative Placebo + Sham tTIS, Session E: On-Placebo + Sham tTIS, Session F: Off-Placebo + Sham tTIS
Behavioral
Lead sponsor
Trustees of Dartmouth College
Other
Eligibility
18 Years to 55 Years
Enrollment
196 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2028
U.S. locations
1
States / cities
Hanover, New Hampshire
Source: ClinicalTrials.gov public record
Updated Jun 10, 2026 · Synced Sep 6, 2026, 9:06 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Increasing School Meal Participation

NCT06419218
View directory record Official record
Conditions
Nutrition, Healthy
Interventions
School meal messages, Control (neutral) messages
Behavioral
Lead sponsor
Stanford University
Other
Eligibility
18 Years and older
Enrollment
832 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024
U.S. locations
1
States / cities
Palo Alto, California
Source: ClinicalTrials.gov public record
Updated Jan 30, 2025 · Synced Sep 6, 2026, 9:06 AM EDT
Recruiting Not applicable Interventional

UNC Tobacco Convenience Store

NCT07458607
View directory record Official record
Conditions
Health Behavior
Interventions
Menthol ban + campaign, Menthol ban, Control
Behavioral
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
21 Years and older
Enrollment
1,185 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
1
States / cities
Raleigh, North Carolina
Source: ClinicalTrials.gov public record
Updated Apr 26, 2026 · Synced Sep 6, 2026, 9:06 AM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Birth to Three - Cavity Free

NCT05756413
View directory record Official record
Conditions
Caries,Dental
Interventions
Self-determination theory
Behavioral
Lead sponsor
University of Iowa
Other
Eligibility
18 Years to 45 Years
Enrollment
1,268 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2027
U.S. locations
16
States / cities
Anamosa, Iowa • Belle Plaine, Iowa • Cedar Rapids, Iowa + 11 more
Source: ClinicalTrials.gov public record
Updated Jul 20, 2026 · Synced Sep 6, 2026, 9:06 AM EDT
Not yet recruiting Not applicable Interventional Accepts healthy volunteers

RCT of HeartBot in Women

NCT07416734
View directory record Official record
Conditions
Participants Must be Women Aged 25 Years or Older, Participants Should Have no Self-reported History of Heart Disease or Stroke, Participants Should Have no Terminal Illness or Diagnosed Cognitive Impairment, Including Alzheimer's Disease, Participants Should Not be a Healthcare Professionals or Healthcare Trainees, Participants Should Not be Employed in the Healthcare Field, Participants Should Reside in the United States and be a University of California, San Francisco Health Patient, Participants Should Possess a Smartphone With an Active Data Plan or Access to Wi-Fi
Interventions
HeartBot II Program, Waitlist Control
Other
Lead sponsor
University of California, San Francisco
Other
Eligibility
25 Years and older · Female only
Enrollment
200 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2027
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Feb 17, 2026 · Synced Sep 6, 2026, 9:06 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

TOSS Feasibility + Fitbit Community = Reduced Obesity in Older Black Women

NCT04114071
View directory record Official record
Conditions
Obesity
Interventions
TOSS Feasibility + Fitbit Community = Reduced Obesity in Older Black Women
Behavioral
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
60 Years and older · Female only
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Sep 7, 2023 · Synced Sep 6, 2026, 9:06 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Designing Impactful Warnings for Sugary Drinks

NCT04382599
View directory record Official record
Conditions
Health Behavior
Interventions
Text warning with square background, Text warning with octagon background, Icon warning, Graphic warning
Behavioral
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years to 99 Years
Enrollment
1,078 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Jan 24, 2021 · Synced Sep 6, 2026, 9:06 AM EDT
Enrolling by invitation Not applicable Interventional Accepts healthy volunteers

Getting to Zero Among HHI MSM in the American South

NCT05075967
View directory record Official record
Conditions
HIV Infections
Interventions
Health Access Coalitions, Social Media, Peer Support, Promoting Human Autonomy Support & Empathy (PHASE)
Behavioral
Lead sponsor
HIV Prevention Trials Network
Network
Eligibility
15 Years and older · Male only
Enrollment
2,700 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2028
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Mar 12, 2026 · Synced Sep 6, 2026, 9:06 AM EDT
Not yet recruiting Not applicable Interventional Accepts healthy volunteers

Just-in-Time Coping Prompts for Reactive Digital Behavior in College Students

NCT07789314
View directory record Official record
Conditions
Emotional Regulation, Alcohol Drinking in College, Emotional Eating, Aggression
Interventions
Momentary coping prompt, Active control message
Behavioral
Lead sponsor
University of Florida
Other
Eligibility
18 Years to 89 Years
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2027
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Aug 26, 2026 · Synced Sep 6, 2026, 9:06 AM EDT
Recruiting Not applicable Interventional

Expressive Writing for the Management of Stress in Cancer Survivors

NCT04776941
View directory record Official record
Conditions
Hematopoietic and Lymphoid Cell Neoplasm, Malignant Solid Neoplasm
Interventions
Behavioral Intervention, Quality-of-Life Assessment, Questionnaire Administration
Behavioral · Other
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
414 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2028
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Aug 13, 2026 · Synced Sep 6, 2026, 9:06 AM EDT
Not yet recruiting Not applicable Interventional Accepts healthy volunteers

Momentary Coping Prompts and Hair Steroids in College Students

NCT07782398
View directory record Official record
Conditions
Emotional Regulation, Alcohol Drinking in College, Emotional Eating, Aggression
Interventions
Momentary coping prompt, Active control message
Behavioral
Lead sponsor
University of Florida
Other
Eligibility
18 Years to 89 Years
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2027
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Aug 27, 2026 · Synced Sep 6, 2026, 9:06 AM EDT
Active, not recruiting Phase 4 Interventional Accepts healthy volunteers

Implementing Tobacco Treatment in Low Dose CT Lung Cancer Screening Sites

NCT03315910
View directory record Official record
Conditions
Smoking Cessation
Interventions
Motivational Interviewing (MI), Nicotine Replacement Therapy (NRT), Nicotine Lozenge, Message Framing, saliva sample
Behavioral · Drug · Other
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
50 Years to 80 Years
Enrollment
807 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2026
U.S. locations
18
States / cities
Los Angeles, California • Walnut Creek, California • La Grange, Georgia + 14 more
Source: ClinicalTrials.gov public record
Updated Nov 23, 2025 · Synced Sep 6, 2026, 9:06 AM EDT
Completed Not applicable Interventional

eFHS Messaging Trial

NCT03516019
View directory record Official record
Conditions
Cardiovascular Diseases
Interventions
personalized notices, standard notices, am notices, pm notices, weekday notices, weekend notices
Other
Lead sponsor
Boston University
Other
Eligibility
18 Years and older
Enrollment
650 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Feb 10, 2021 · Synced Sep 6, 2026, 9:06 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Evaluating a Messaging Campaign in the United States

NCT04562636
View directory record Official record
Conditions
Obesity, Heart Diseases, Cancer
Interventions
Environmental message, Health message, Neutral Message
Other
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years and older
Enrollment
1,244 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Oct 4, 2020 · Synced Sep 6, 2026, 9:06 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effects of Sugary Drinks Counter-marketing Messages

NCT05953194
View directory record Official record
Conditions
Obesity, Weight Prejudice, Weight Gain, Dietary Habits
Interventions
Exposure to counter-marketing messages, Exposure to traditional health messages, Exposure to control (neutral) messages
Behavioral
Lead sponsor
Stanford University
Other
Eligibility
18 Years and older
Enrollment
2,184 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023
U.S. locations
1
States / cities
Palo Alto, California
Source: ClinicalTrials.gov public record
Updated Feb 27, 2024 · Synced Sep 6, 2026, 9:06 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Effects of Filter Ventilation and Ventilation Information on Product Use Behaviors in Cigarette Smokers

NCT04744285
View directory record Official record
Conditions
Cigarette Smoking-Related Carcinoma
Interventions
Cigarette packaging, Data capture, Questionnaire administration
Other
Lead sponsor
Roswell Park Cancer Institute
Other
Eligibility
21 Years to 69 Years
Enrollment
115 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2022
U.S. locations
1
States / cities
Buffalo, New York
Source: ClinicalTrials.gov public record
Updated Dec 25, 2023 · Synced Sep 6, 2026, 9:06 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Encouraging Healthy and Sustainable Dietary Substitutions

NCT06175026
View directory record Official record
Conditions
Food Selection
Interventions
Health messages, Environmental messages, Health and environmental messages, Neutral messages
Behavioral
Lead sponsor
Stanford University
Other
Eligibility
18 Years to 25 Years
Enrollment
1,753 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024
U.S. locations
1
States / cities
Palo Alto, California
Source: ClinicalTrials.gov public record
Updated Nov 11, 2024 · Synced Sep 6, 2026, 9:06 AM EDT
Recruiting Not applicable Interventional

MindWalk Intervention for Older South Asian Caregivers of People With Cognitive Disabilities (CD)

NCT06002919
View directory record Official record
Conditions
Stress, Psychological, Cognitive Decline
Interventions
MindWalk Intervention
Behavioral
Lead sponsor
University of Illinois at Chicago
Other
Eligibility
45 Years and older
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
8
States / cities
Bolingbrook, Illinois • Buffalo Grove, Illinois • Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Apr 30, 2026 · Synced Sep 6, 2026, 9:06 AM EDT
Not yet recruiting Not applicable Interventional

Project SPACE: Testing Daily Text Messages to Reduce Alcohol Use and HIV Risk Behavior

NCT07769580
View directory record Official record
Conditions
HIV, Risk Behavior, Alcohol Abuse
Interventions
CLT- Concrete text messages, CLT- Abstract text messages, Control messages, No messages, GamePlan Online Program
Behavioral
Lead sponsor
Emory University
Other
Eligibility
18 Years to 30 Years · Male only
Enrollment
240 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2027
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Aug 18, 2026 · Synced Sep 6, 2026, 9:06 AM EDT
Not yet recruiting Not applicable Interventional

Pilot Study of Sensor-Informed Smartphone-based Mental Health Interventions for Mood in Early Psychosis

NCT07503093
View directory record Official record
Conditions
Psychosis, Anxiety, Depression, Rumination
Interventions
Smartphone-based Mindfulness Exercise, Smartphone-based Psychoeducation, Neutral Control Message
Behavioral
Lead sponsor
Mclean Hospital
Other
Eligibility
18 Years to 50 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Belmont, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jun 24, 2026 · Synced Sep 6, 2026, 9:06 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Consumer Responses to Alcohol Warnings

NCT06159647
View directory record Official record
Conditions
Alcohol Drinking
Interventions
Mouth cancer warning, Throat cancer warning, Voice box (larynx) warning, Esophagus cancer warning, Liver cancer warning, Colon and rectum cancer warning, Breast cancer, Cancer (generic, not site-specific), Addiction and neurological changes, Hypertension, Liver damage, Harm to fetus, Dementia, Impaired sleep, Drinking guidelines, Control, Road injuries
Behavioral
Lead sponsor
Stanford University
Other
Eligibility
21 Years and older
Enrollment
2,522 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024
U.S. locations
1
States / cities
Palo Alto, California
Source: ClinicalTrials.gov public record
Updated Feb 12, 2024 · Synced Sep 6, 2026, 9:06 AM EDT