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ClinicalTrials.gov public records Last synced Oct 20, 2026, 6:07 AM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Showing 241–264 of 677 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Telephone interview Clear all
Completed Not applicable Interventional

Motivating Type O- Blood Donors to Return

NCT02274064
View directory record Official record
Conditions
Blood Donors
Interventions
Motivational Interview and Implementation Intention
Behavioral
Lead sponsor
Ohio University
Other
Eligibility
18 Years and older
Enrollment
598 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
1
States / cities
Athens, Ohio
Source: ClinicalTrials.gov public record
Updated Sep 27, 2016 · Synced Oct 20, 2026, 6:07 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Development and Testing of a Clinic-Based Intervention to Increase Dual Protection Against Unintended Pregnancy and Sexually Transmitted Diseases (STDs) Among High Risk Female Teens

NCT02291224
View directory record Official record
Conditions
Pregnancy, Sexually Transmitted Diseases
Interventions
Interactive multimedia platform, Intervention arm counseling, Standard of care counseling
Behavioral
Lead sponsor
Centers for Disease Control and Prevention
Federal
Eligibility
14 Years to 19 Years · Female only
Enrollment
709 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2018
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Nov 27, 2018 · Synced Oct 20, 2026, 6:07 AM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Culturally-Informed Counseling in Latinas at High Risk for Hereditary Breast or Ovarian Cancer

NCT01230346
View directory record Official record
Conditions
No Evidence of Disease, BRCA1 Syndrome, BRCA2 Syndrome, Hereditary Female Breast Carcinoma, Hereditary Ovarian Carcinoma
Interventions
questionnaire administration, survey administration, counseling intervention, educational intervention
Other
Lead sponsor
City of Hope Medical Center
Other
Eligibility
18 Years and older · Female only
Enrollment
493 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2026
U.S. locations
3
States / cities
Duarte, California • Los Angeles, California • Sylmar, California
Source: ClinicalTrials.gov public record
Updated Nov 10, 2025 · Synced Oct 20, 2026, 6:07 AM EDT
Completed Phase 3 Interventional

Hutchinson Study of High School Smoking

NCT00115882
View directory record Official record
Conditions
Smoking Cessation
Interventions
MI + CBST
Behavioral
Lead sponsor
Fred Hutchinson Cancer Center
Other
Eligibility
16 Years to 20 Years
Enrollment
2,151 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2000 – 2015
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated May 24, 2016 · Synced Oct 20, 2026, 6:07 AM EDT
Completed No phase listed Observational

Long-term Result of DTPA (Diethylenetriamine Pentaacetate) Chelation for Gadolinium Deposition Disease

NCT06269055
View directory record Official record
Conditions
Gadolinium Deposition Disease, Ca-DTPA
Interventions
Interview
Other
Lead sponsor
Stanford University
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
1
States / cities
Stanford, California
Source: ClinicalTrials.gov public record
Updated Jun 24, 2026 · Synced Oct 20, 2026, 6:07 AM EDT
Completed Not applicable Interventional Results available

Visits Versus Telephone Calls for Postoperative Care

NCT02891187
View directory record Official record
Conditions
Satisfaction, Postoperative Complications, Pelvic Floor Disorder
Interventions
Telephone follow-up, Outpatient Clinic Visits
Behavioral
Lead sponsor
University of New Mexico
Other
Eligibility
18 Years and older · Female only
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
1
States / cities
Albuquerque, New Mexico
Source: ClinicalTrials.gov public record
Updated Nov 1, 2024 · Synced Oct 20, 2026, 6:07 AM EDT
Completed Not applicable Interventional

Behavioral and Educational Tools to Improve Epilepsy Care

NCT02646631
View directory record Official record
Conditions
Epilepsy
Interventions
Usual Care, Management of Risks in Epilepsy (MORE), Telephone-based motivational interviewing (MORE+MI), Educational Materials
Other · Behavioral
Lead sponsor
NYU Langone Health
Other
Eligibility
18 Years and older
Enrollment
32 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2017
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Dec 24, 2018 · Synced Oct 20, 2026, 6:07 AM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Promoting Physical Activity in Older Hispanic/Latino(a) Adults

NCT06362824
View directory record Official record
Conditions
Sedentary Behavior, Physical Inactivity, Alzheimer Disease, Protection Against
Interventions
De Pie Intervention, Active Comparison Group: Healthy Actions And Lifestyles To Avoid Dementia (HALT-AD)
Behavioral · Other
Lead sponsor
Kaiser Permanente
Other
Eligibility
55 Years to 89 Years
Enrollment
130 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2027
U.S. locations
2
States / cities
San Diego, California • Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Sep 21, 2026 · Synced Oct 20, 2026, 6:07 AM EDT
Terminated Not applicable Interventional Results available

MOTIVATE: Moving to Improve Outcomes for Older Adults

NCT03914469
View directory record Official record
Conditions
Back Pain Lower Back Chronic
Interventions
Behavioral Intervention Group
Behavioral
Lead sponsor
University of Texas Southwestern Medical Center
Other
Eligibility
50 Years and older
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2022
U.S. locations
2
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Mar 14, 2025 · Synced Oct 20, 2026, 6:07 AM EDT
Completed Not applicable Interventional

Weight Management Demonstration Project: HEALTH

NCT01307280
View directory record Official record
Conditions
Weight Loss
Interventions
RCT1, RCT2, RCT3
Behavioral
Lead sponsor
RTI International
Other
Eligibility
18 Years to 64 Years
Enrollment
2,395 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2009
U.S. locations
3
States / cities
Swansea, Illinois • Research Triangle Park, North Carolina • Fairborn, Ohio
Source: ClinicalTrials.gov public record
Updated Jan 26, 2012 · Synced Oct 20, 2026, 6:07 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Brief Intervention in Primary Care for Problem Drug Use and Abuse

NCT00877331
View directory record Official record
Conditions
Substance-Related Disorders
Interventions
Brief intervention using motivational interviewing
Behavioral
Lead sponsor
University of Washington
Other
Eligibility
18 Years and older
Enrollment
868 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2014
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Oct 20, 2014 · Synced Oct 20, 2026, 6:07 AM EDT
Not listed Not applicable Interventional

The Management of Diabetes in Everyday Life Program

NCT02957513
View directory record Official record
Conditions
Diabetes Mellitus, Chronic Disease
Interventions
Text Messaging (TM), Health Coaching (HC), Enhanced Usual Care (EC)
Behavioral
Lead sponsor
University of Tennessee
Other
Eligibility
18 Years and older
Enrollment
646 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2020
U.S. locations
19
States / cities
Holly Springs, Mississippi • Bartlett, Tennessee • Covington, Tennessee + 2 more
Source: ClinicalTrials.gov public record
Updated Oct 10, 2019 · Synced Oct 20, 2026, 6:07 AM EDT
Completed Not applicable Interventional

Smoking Cessation for HIV/AIDS Patients

NCT00502827
View directory record Official record
Conditions
Human Immunodeficiency Virus
Interventions
Cell Phone Intervention, Recommended Standard of Care
Behavioral · Other
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
706 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2015
U.S. locations
2
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Feb 26, 2016 · Synced Oct 20, 2026, 6:07 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Strong Families Start at Home/Familias Fuertes Comienzan en Casa

NCT06099288
View directory record Official record
Conditions
Metabolic Syndrome, Protection Against, Diet, Healthy
Interventions
Home-Based Video and Motivational Interviewing Intervention, Read Educate and Develop Youth (READY) Comparison
Behavioral
Lead sponsor
Brown University
Other
Eligibility
18 Years and older
Enrollment
257 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2027
U.S. locations
1
States / cities
Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated Aug 6, 2026 · Synced Oct 20, 2026, 6:07 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Using Re-inforcement Learning to Automatically Adapt a Remote Therapy Intervention (RTI) for Reducing Adolescent Violence Involvement

NCT04850274
View directory record Official record
Conditions
Violence, Substance Use, Criminal Behavior, Violence in Adolescence
Interventions
Remote Therapy Intervention (RTI), Artificial Intelligence Remote Therapy Intervention
Behavioral
Lead sponsor
University of Michigan
Other
Eligibility
14 Years to 24 Years
Enrollment
584 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2026
U.S. locations
4
States / cities
Atlanta, Georgia • Detroit, Michigan • Flint, Michigan + 1 more
Source: ClinicalTrials.gov public record
Updated May 6, 2026 · Synced Oct 20, 2026, 6:07 AM EDT
Completed Not applicable Interventional

Expanded Prenatal Testing Options and Informed Choice

NCT00505596
View directory record Official record
Conditions
Pregnancy Related
Interventions
Informed free choice
Behavioral
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years to 50 Years · Female only
Enrollment
744 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2013
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Oct 21, 2014 · Synced Oct 20, 2026, 6:07 AM EDT
Completed No phase listed Observational

Voices Of Individuals: Challenges and Experiences Of bvFTD

NCT04060082
View directory record Official record
Conditions
Frontotemporal Dementia, Frontotemporal Degeneration, Frontotemporal Dementia, Behavioral Variant, FTD
Interventions
Telephone Interview
Other
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years and older
Enrollment
26 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2025
U.S. locations
3
States / cities
Baltimore, Maryland • Bethesda, Maryland • Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jan 12, 2026 · Synced Oct 20, 2026, 6:07 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Supporting Just-In-Time Consent for Prenatal Screening: The INFORM Study

NCT07557303
View directory record Official record
Conditions
Delivery of Health Care, Genetic Testing, Humans, Pregnancy, Noninvasive Prenatal Testing, Informed Consent, Internet-Based Intervention, Self Efficacy, Pregnant People, Decision Making, Health Education, Patient Education as Topic/Method
Interventions
Mobile-based Educational Intervention
Behavioral
Lead sponsor
Case Western Reserve University
Other
Eligibility
18 Years and older · Female only
Enrollment
1,400 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2028
U.S. locations
3
States / cities
San Francisco, California • Jacksonville, Florida • Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Sep 22, 2026 · Synced Oct 20, 2026, 6:07 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Healthy Home Offerings Via the Mealtime Environment (HOME) Plus

NCT01538615
View directory record Official record
Conditions
Obesity
Interventions
HOME Plus intervention
Behavioral
Lead sponsor
University of Minnesota
Other
Eligibility
8 Years and older
Enrollment
413 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2016
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Mar 1, 2018 · Synced Oct 20, 2026, 6:07 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

COVID-19 Vaccine Uptake Trial

NCT05419232
View directory record Official record
Conditions
Vaccination Refusal, COVID-19
Interventions
Short Message Service (SMS) + Website Link Strategy, Phone Call with Peer Strategy
Other
Lead sponsor
Washington University School of Medicine
Other
Eligibility
Not listed
Enrollment
262 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2024
U.S. locations
8
States / cities
Hazelwood, Missouri • Jennings, Missouri • Saint Ann, Missouri + 2 more
Source: ClinicalTrials.gov public record
Updated Jul 21, 2026 · Synced Oct 20, 2026, 6:07 AM EDT
Completed No phase listed Observational

A Multicenter Trial of Academic Hospitalists

NCT00204048
View directory record Official record
Conditions
Healthy
Interventions
Observation (behavior)
Behavioral
Lead sponsor
University of Chicago
Other
Eligibility
16 Years and older
Enrollment
104,940 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2001 – 2019
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated May 6, 2023 · Synced Oct 20, 2026, 6:07 AM EDT
Recruiting No phase listed Observational

Cancer Clinical Trials Financial Reimbursement Program

NCT05402033
View directory record Official record
Conditions
Cancer Clinical Trials
Interventions
Survey / Interview Group
Behavioral
Lead sponsor
University of Texas Southwestern Medical Center
Other
Eligibility
Not listed
Enrollment
1,200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2030
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Sep 2, 2026 · Synced Oct 20, 2026, 6:07 AM EDT
Recruiting Not applicable Interventional

Stroke and CPAP Outcome Study 3 Randomized Controlled Trial

NCT06722755
View directory record Official record
Conditions
Stroke Patients, CPAP, OSA - Obstructive Sleep Apnea
Interventions
CPAP device, CPAP technical support, Phone follow-up for adherence feedback and self-management skills, myAir, Tailored messages, Written Materials, Motivational Enhancement Therapy (MET)
Device · Behavioral
Lead sponsor
University of Washington
Other
Eligibility
18 Years and older
Enrollment
250 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2028
U.S. locations
2
States / cities
Downey, California • Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Aug 13, 2026 · Synced Oct 20, 2026, 6:07 AM EDT
Recruiting Not applicable Interventional

Enhancing Cardiac Rehabilitation Attendance After Secondary Myocardial Infarction Through Clinician Messaging and Motivational Calls

NCT07485491
View directory record Official record
Conditions
Type 2 Myocardial Infarction
Interventions
Clinician-level intervention, Patient-level intervention
Behavioral
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years and older
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Sep 23, 2026 · Synced Oct 20, 2026, 6:07 AM EDT