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ClinicalTrials.gov public records Last synced Oct 23, 2026, 5:11 AM EDT

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Showing 25–48 of 457 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Efficacy Message Clear all
Completed Not applicable Interventional Results available

Trial of Low and High Intensity Strategies to Maintain BP Control

NCT00760552
View directory record Official record
Conditions
Hypertension
Interventions
High Intensity Intervention, Low Intensity Intervention, All- 6 month pharmacist intervention
Other
Lead sponsor
US Department of Veterans Affairs
Federal
Eligibility
18 Years and older
Enrollment
249 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2013
U.S. locations
1
States / cities
Iowa City, Iowa
Source: ClinicalTrials.gov public record
Updated Apr 27, 2015 · Synced Oct 23, 2026, 5:11 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Testing Adaptive Interventions to Improve Physical Activity for Sedentary Women

NCT03558828
View directory record Official record
Conditions
Physical Activity
Interventions
Step 1: PA Monitor, Step 1: PA Monitor + Text, Step 2: PA Monitor with Calls, Step 2: PA Monitor with Meetings, Step 2: PA Monitor + Texts with Calls, Step 2: PA Monitor + Texts with Meetings, Step 3: PA Monitor
Behavioral
Lead sponsor
Rush University Medical Center
Other
Eligibility
18 Years to 70 Years · Female only
Enrollment
301 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2025
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Aug 3, 2025 · Synced Oct 23, 2026, 5:11 AM EDT
Completed Not applicable Interventional Results available

Scaling Up: A Multi-Site Trial of e-SBI for Alcohol Use in Pregnancy

NCT04332172
View directory record Official record
Conditions
Fetal Alcohol Spectrum Disorders, Fetal Alcohol Syndrome, Fetal Alcohol Effect
Interventions
General information, Baseline brief intervention, Remote online booster sessions, SMS
Other · Behavioral
Lead sponsor
Michigan State University
Other
Eligibility
18 Years to 35 Years · Female only
Enrollment
384 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
1
States / cities
Flint, Michigan
Source: ClinicalTrials.gov public record
Updated Oct 14, 2026 · Synced Oct 23, 2026, 5:11 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Mother's Milk Messaging: Evaluation of a Bilingual Application (APP) to Support Initiation and Exclusive Breastfeeding in New Mothers

NCT02958475
View directory record Official record
Conditions
Breastfeeding
Interventions
Social Support Group (Facebook), Breastfeeding messages, Injury Prevention Messages
Behavioral
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years to 40 Years · Female only
Enrollment
346 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2020
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Feb 26, 2021 · Synced Oct 23, 2026, 5:11 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Pilot Trial of Using SmokeBeat to Monitor and Increase Smoking Abstinence in Pregnant Women

NCT03209557
View directory record Official record
Conditions
Tobacco Use Cessation, Pregnancy Related
Interventions
SmartWatch SmokeBeat Application
Other
Lead sponsor
University of Pennsylvania
Other
Eligibility
Female only
Enrollment
32 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2019
U.S. locations
1
States / cities
Lancaster, Pennsylvania
Source: ClinicalTrials.gov public record
Updated May 9, 2019 · Synced Oct 23, 2026, 5:11 AM EDT
Completed Not applicable Interventional

Personalized Nudging to Increase Influenza Vaccinations

NCT06566534
View directory record Official record
Conditions
Influenza, Human
Interventions
Reminder
Behavioral
Lead sponsor
Geisinger Clinic
Other
Eligibility
18 Years and older
Enrollment
77,482 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024
U.S. locations
1
States / cities
Danville, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jan 16, 2025 · Synced Oct 23, 2026, 5:11 AM EDT
Recruiting Not applicable Interventional

Comparative Effectiveness Trial of Two Supportive Cancer Care Delivery Models for Adults With Cancer

NCT05297734
View directory record Official record
Conditions
End of Life, Cancer
Interventions
Receive technology-based supportive cancer care, Receive redesigned team-based supportive cancer care
Other · Behavioral
Lead sponsor
Stanford University
Other
Eligibility
18 Years and older
Enrollment
2,996 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2028
U.S. locations
17
States / cities
Birmingham, Alabama • Mobile, Alabama • Duarte, California + 11 more
Source: ClinicalTrials.gov public record
Updated Apr 30, 2026 · Synced Oct 23, 2026, 5:11 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Optimizing Outcomes in Women With Gestational Diabetes Mellitus and Their Infants

NCT01809431
View directory record Official record
Conditions
Gestational Diabetes
Interventions
Intervention
Behavioral
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
200 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2014
U.S. locations
2
States / cities
Raleigh, North Carolina
Source: ClinicalTrials.gov public record
Updated Jun 13, 2024 · Synced Oct 23, 2026, 5:11 AM EDT
Completed Phase 4 Interventional Results available

Varenicline for Nicotine Vaping Cessation in Adolescents

NCT05367492
View directory record Official record
Conditions
Vaping, Nicotine Dependence
Interventions
Double Blind Varenicline, Double Blind Placebo, QuitVaping, This Is Quitting
Drug · Behavioral
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
16 Years to 25 Years
Enrollment
261 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Apr 27, 2025 · Synced Oct 23, 2026, 5:11 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Integrating Primary & Secondary Interventions for Cervical Cancer Prevention in Primary Care Settings

NCT03033550
View directory record Official record
Conditions
HPV-Related Carcinoma
Interventions
brief negotiated mobile application
Behavioral
Lead sponsor
Boston Medical Center
Other
Eligibility
9 Years to 17 Years · Female only
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jul 9, 2018 · Synced Oct 23, 2026, 5:11 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers

Evaluation of National Cancer Institute Young Adult Stop-Smoking Program

NCT01885052
View directory record Official record
Conditions
Smoking, Smoking Cessation, Cigarette Smoking, Tobacco, Smoking
Interventions
QuitTXT Study, Low Contact
Behavioral
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years to 29 Years
Enrollment
4,432 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2015
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Dec 9, 2019 · Synced Oct 23, 2026, 5:11 AM EDT
Active, not recruiting Not applicable Interventional

Physical Activity Intervention Among Older Women With Gynecologic Cancers (Fit4Treatment)

NCT05743517
View directory record Official record
Conditions
Ovary Cancer, Endometrial Cancer, Uterine Cancer, Cervical Cancer, Cervix Cancer, Vulvar Cancer, Vaginal Cancer
Interventions
Fit4Treatment
Behavioral
Lead sponsor
Northwestern University
Other
Eligibility
60 Years and older · Female only
Enrollment
192 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2029
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Oct 19, 2026 · Synced Oct 23, 2026, 5:11 AM EDT
Completed Not applicable Interventional

Happy, Healthy, Loved: A Mobile-delivered Breastfeeding Self-efficacy Intervention for First Time Parents

NCT04578925
View directory record Official record
Conditions
Breast Feeding
Interventions
Happy, Healthy, Loved
Behavioral
Lead sponsor
OhioHealth
Other
Eligibility
18 Years and older · Female only
Enrollment
128 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Jul 14, 2023 · Synced Oct 23, 2026, 5:11 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

COVID-19 Vaccine Messaging, Part 1

NCT04460703
View directory record Official record
Conditions
Vaccination, COVID-19
Interventions
Control message, Baseline message, Personal freedom message, Economic freedom message, Self-interest message, Community interest message, Economic benefit message, Guilt message, Embarrassment message, Anger message, Trust in science message, Not bravery message
Other
Lead sponsor
Yale University
Other
Eligibility
18 Years and older
Enrollment
4,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated May 5, 2022 · Synced Oct 23, 2026, 5:11 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Efficacy of Reminders to Complete HPV Series

NCT01731496
View directory record Official record
Conditions
Completion of Three Dose Series of HPV, Improvement in Vaccine Intervals Between HPV Doses
Interventions
Telephone reminder, Text Message reminder
Other
Lead sponsor
University of Rochester
Other
Eligibility
10 Years to 21 Years
Enrollment
749 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2014
U.S. locations
3
States / cities
Rochester, New York
Source: ClinicalTrials.gov public record
Updated Feb 6, 2015 · Synced Oct 23, 2026, 5:11 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

A Pilot Factorial Trial of an Integrated Lifestyle Intervention

NCT06116435
View directory record Official record
Conditions
Physical Inactivity, Overweight and Obesity
Interventions
Prevent T2, Move group-based classes, Fitness Membership, Mental Imagery, Move 1:1 Support
Behavioral
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years to 65 Years
Enrollment
64 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2027
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated May 14, 2024 · Synced Oct 23, 2026, 5:11 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Weigh Easy: Simplifying Home Weight Monitoring for Infants

NCT04384276
View directory record Official record
Conditions
Cleft Lip and Palate
Interventions
The Weigh Easy System, Retrospective Control
Other
Lead sponsor
Children's Mercy Hospital Kansas City
Other
Eligibility
Up to 12 Weeks
Enrollment
157 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2022
U.S. locations
1
States / cities
Kansas City, Missouri
Source: ClinicalTrials.gov public record
Updated Jan 17, 2023 · Synced Oct 23, 2026, 5:11 AM EDT
Completed Phase 2 Interventional

Implementation Intentions for Weight Loss and Dietary Change in College Students With Overweight and Obesity

NCT04105309
View directory record Official record
Conditions
Obesity
Interventions
Implementation Intentions, Fluency Training, Text Messages, Goal Intentions
Behavioral
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years to 25 Years · Female only
Enrollment
95 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Sep 30, 2019 · Synced Oct 23, 2026, 5:11 AM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Evaluation of Thiwáhe Gluwáš'Akapi Substance Use Prevention Program

NCT04222556
View directory record Official record
Conditions
Substance Use, Substance Abuse, Suicide
Interventions
Thiwáhe Gluwáš'akapi, Woyute Waśte
Behavioral
Lead sponsor
University of Colorado, Denver
Other
Eligibility
10 Years to 85 Years
Enrollment
552 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2025
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Dec 22, 2023 · Synced Oct 23, 2026, 5:11 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Hashtag HPV: HPV Vaccine Twitter Education Program

NCT05204030
View directory record Official record
Conditions
Human Papilloma Virus, Vaccine-Preventable Diseases
Interventions
HPV Twitter Education Program - Narrative, HPV Twitter Education Program - Non-Narrative
Other
Lead sponsor
University of Arkansas, Fayetteville
Other
Eligibility
18 Years and older
Enrollment
28 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2024
U.S. locations
1
States / cities
Fayetteville, Arkansas
Source: ClinicalTrials.gov public record
Updated Jul 27, 2026 · Synced Oct 23, 2026, 5:11 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Enhanced Stress Resilience Training for Critical Care Nurses

NCT05905991
View directory record Official record
Conditions
Job Stress, Burnout
Interventions
Enhanced Stress Resilience Training
Other
Lead sponsor
University of California, San Francisco
Other
Eligibility
Not listed
Enrollment
48 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Feb 28, 2024 · Synced Oct 23, 2026, 5:11 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Targeted Video Messaging About Emergency Contraception

NCT03774368
View directory record Official record
Conditions
Contraception
Interventions
Emergency contraception website, Emergency contraception video
Other
Lead sponsor
Planned Parenthood League of Massachusetts
Other
Eligibility
18 Years to 29 Years · Female only
Enrollment
150 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jul 16, 2019 · Synced Oct 23, 2026, 5:11 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Communicating Multiple Disease Risks: A Translation of Risk Prediction Science

NCT03255291
View directory record Official record
Conditions
Healthy Volunteers
Interventions
Risk Assessment App, Audio Recording - Sleep, Surveys, Audio Recording - Exercise, Text message reminders, Text Message Survey
Behavioral · Other
Lead sponsor
Washington University School of Medicine
Other
Eligibility
30 Years to 64 Years
Enrollment
554 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2019
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Jan 18, 2020 · Synced Oct 23, 2026, 5:11 AM EDT
Recruiting Not applicable Interventional

Efficacy of mHealth + e-Navigator Stepped Care Intervention for ART Adherence Among Latino Men With HIV

NCT06375135
View directory record Official record
Conditions
ART Adherence
Interventions
TXTXT, e-Navigation, Ecological Momentary Assessment (EMA) supported e-Navigation.
Behavioral
Lead sponsor
Florida International University
Other
Eligibility
18 Years and older · Male only
Enrollment
250 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Jan 30, 2026 · Synced Oct 23, 2026, 5:11 AM EDT