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ClinicalTrials.gov public records Last synced Oct 29, 2026, 6:24 PM EDT

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

Showing 361–384 of 1,713 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Telephone- Based Intervention Clear all
Completed No phase listed Observational Accepts healthy volunteers

Heartmatters Challenge - First Responders

NCT03322046
View directory record Official record
Conditions
Cardiovascular Diseases
Interventions
Lifestyle Program
Behavioral
Lead sponsor
Boston Heart Diagnostics
Industry
Eligibility
18 Years to 65 Years
Enrollment
185 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2015
U.S. locations
1
States / cities
Framingham, Massachusetts
Source: ClinicalTrials.gov public record
Updated Oct 26, 2017 · Synced Oct 29, 2026, 6:24 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

FITLINE: Pediatric Practice-based Obesity Intervention to Support Families

NCT03143660
View directory record Official record
Conditions
Obesity, Childhood
Interventions
Coaching, Materials
Behavioral
Lead sponsor
University of Massachusetts, Worcester
Other
Eligibility
8 Years to 12 Years
Enrollment
501 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2022
U.S. locations
1
States / cities
Worcester, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jan 31, 2022 · Synced Oct 29, 2026, 6:24 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Empower Korean Families to End Tobacco Use & Smoking Exposure

NCT04079569
View directory record Official record
Conditions
Smoking Cessation, Lifestyle Risk Reduction
Interventions
Tobacco, Healthy Living
Behavioral
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years and older
Enrollment
112 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2021
U.S. locations
1
States / cities
San Leandro, California
Source: ClinicalTrials.gov public record
Updated Apr 8, 2021 · Synced Oct 29, 2026, 6:24 PM EDT
Active, not recruiting Not applicable Interventional

Smoking Cessation Intervention for Cancer Patients

NCT00575718
View directory record Official record
Conditions
Newly Diagnosed Cancer Patients
Interventions
Hospital Counseling + Nicotine Replacement Therapy. questionaires, Hospital Counseling + Nicotine Replacement + Presurgical Scheduled Reduced Smoking, questionaires
Behavioral
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
18 Years and older
Enrollment
204 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2027
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Oct 5, 2026 · Synced Oct 29, 2026, 6:24 PM EDT
Recruiting Not applicable Interventional

Activity Post Spinal Surgery Engagement Trial

NCT07825480
View directory record Official record
Conditions
Spinal Surgery for Lumbar Spinal Stenosis (LSS)
Interventions
Wrist based activity tracker wear, Basic Study Activities, Telephonic Active Coaching (Motivational Interviewing) + Financial Incentives
Behavioral · Other
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
40 Years to 85 Years
Enrollment
75 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Oct 22, 2026 · Synced Oct 29, 2026, 6:24 PM EDT
Enrolling by invitation Not applicable Interventional

Virtual Nurse and Social Worker Palliative Care Team to Improve Quality of Life in Veterans With Heart Failure or COPD

NCT07714252
View directory record Official record
Conditions
Heart Failure, Pulmonary Disease, Chronic Obstructive, Interstitial Lung Disease
Interventions
Virtual Nurse and Social Worker Palliative Care Team, Enhanced Implementation Support, Standard Implementation Support
Behavioral
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years and older
Enrollment
420 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2030
U.S. locations
7
States / cities
Phoenix, Arizona • Long Beach, California • Aurora, Colorado + 4 more
Source: ClinicalTrials.gov public record
Updated Aug 24, 2026 · Synced Oct 29, 2026, 6:24 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Optimizing Text Messaging to Improve Adherence to Web-Based Cessation Treatment

NCT02585206
View directory record Official record
Conditions
Smoking Cessation
Interventions
Personalization, Integration, Dynamic Tailoring, Message Intensity, Optimal-Adherence Text
Behavioral
Lead sponsor
Truth Initiative
Other
Eligibility
18 Years and older
Enrollment
1,485 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2020
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Source: ClinicalTrials.gov public record
Updated Oct 5, 2026 · Synced Oct 29, 2026, 6:24 PM EDT
Recruiting Not applicable Interventional

Well-being in IBS: Strengths and Happiness (WISH) 2.0

NCT06866106
View directory record Official record
Conditions
Irritable Bowel Syndrome
Interventions
Positive Psychology (PP) Intervention, Educational Intervention
Behavioral
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years and older
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2028
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jun 22, 2026 · Synced Oct 29, 2026, 6:24 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

A Community Based Intervention to Improve Cervical Cancer Screening Among Women in the Hispanic and East African Immigrant Community

NCT07890402
View directory record Official record
Conditions
Cervical Carcinoma
Interventions
HPV Self-Collection, Informational Intervention, Interview, Survey Administration, Receive screening results, Receive recommended steps following abnormal results, Telephone-Based Intervention
Procedure · Other · Behavioral
Lead sponsor
Mayo Clinic
Other
Eligibility
30 Years to 65 Years · Female only
Enrollment
118 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2027
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Oct 22, 2026 · Synced Oct 29, 2026, 6:24 PM EDT
Completed Not applicable Interventional Results available

LIFT Intervention in Liver Transplant Candidates

NCT04836923
View directory record Official record
Conditions
Frailty, Cirrhosis, Liver Transplant
Interventions
"LIver FrailTy" intervention (LIFT)
Behavioral
Lead sponsor
Northwestern University
Other
Eligibility
18 Years and older
Enrollment
81 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2024
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated May 15, 2026 · Synced Oct 29, 2026, 6:24 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Parent eReferral to Tobacco Quitline

NCT02997735
View directory record Official record
Conditions
Secondhand Smoke
Interventions
Quitline Delivered Treatment
Behavioral
Lead sponsor
Children's Hospital of Philadelphia
Other
Eligibility
18 Years and older
Enrollment
484 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Oct 28, 2019 · Synced Oct 29, 2026, 6:24 PM EDT
Completed Not applicable Interventional

Outcomes of Triaged Family Care in Advanced Cancer

NCT00709176
View directory record Official record
Conditions
Advanced Cancer
Interventions
Brief FOCUS Program, Extensive FOCUS Program
Behavioral
Lead sponsor
University of Michigan
Other
Eligibility
18 Years and older
Enrollment
484 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2010
U.S. locations
5
States / cities
Ann Arbor, Michigan • Detroit, Michigan • Southfield, Michigan
Source: ClinicalTrials.gov public record
Updated Feb 11, 2014 · Synced Oct 29, 2026, 6:24 PM EDT
Completed Not applicable Interventional

Feasibility of High Levels of Energy Expenditure From Physical Activity for Breast Cancer Survivors

NCT02963740
View directory record Official record
Conditions
Breast Cancer Female
Interventions
Supervised Exercise, Home-based Exercise, Group Phone Calls, Diet
Behavioral
Lead sponsor
University of Kansas Medical Center
Other
Eligibility
Up to 71 Years · Female only
Enrollment
11 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2017
U.S. locations
1
States / cities
Kansas City, Kansas
Source: ClinicalTrials.gov public record
Updated Jan 25, 2022 · Synced Oct 29, 2026, 6:24 PM EDT
Active, not recruiting Not applicable Interventional

Weight Management and Health Behavior Intervention in Lowering Cancer Risk for BRCA Positive and Lynch Syndrome Families

NCT04125914
View directory record Official record
Conditions
Hereditary Breast Carcinoma, Hereditary Ovarian Carcinoma, Lynch Syndrome
Interventions
Behavioral Dietary Intervention, E-mail, Exercise Intervention, Health Promotion and Education, Internet-Based Intervention, Questionnaire Administration, Telephone-Based Intervention
Behavioral · Other
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
384 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2028
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Oct 6, 2026 · Synced Oct 29, 2026, 6:24 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Parent-targeted Mobile Phone Based Intervention to Increase Physical Activity in Children (P-Mobile)

NCT01551108
View directory record Official record
Conditions
Physical Activity
Interventions
Intervention: limited behavioral strategies, Intervention: advanced behavioral strategies
Behavioral
Lead sponsor
Pennington Biomedical Research Center
Other
Eligibility
6 Years to 10 Years
Enrollment
27 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2013
U.S. locations
1
States / cities
Baton Rouge, Louisiana
Source: ClinicalTrials.gov public record
Updated May 3, 2016 · Synced Oct 29, 2026, 6:24 PM EDT
Completed Not applicable Interventional Results available

Acceptability of Less Harmful Alternatives to Cigarettes

NCT00957424
View directory record Official record
Conditions
Bladder Cancer, Cervical Cancer, Esophageal Cancer, Gastric Cancer, Head and Neck Cancer, Kidney Cancer, Leukemia, Liver Cancer, Lung Cancer, Pancreatic Cancer, Tobacco Use Disorder
Interventions
telephone-based intervention, nicotine replacement therapy, informational intervention, internet-based intervention, questionnaire administration
Behavioral · Drug · Other
Lead sponsor
Roswell Park Cancer Institute
Other
Eligibility
18 Years to 120 Years
Enrollment
67 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2011
U.S. locations
1
States / cities
Buffalo, New York
Source: ClinicalTrials.gov public record
Updated Feb 7, 2017 · Synced Oct 29, 2026, 6:24 PM EDT
Completed Not applicable Interventional Results available

Talk Therapy by Phone to Promote Treatment for Alcohol Problems

NCT03758274
View directory record Official record
Conditions
Alcohol Use Disorder, Alcohol Abuse
Interventions
CBT by Phone to Promote Treatment, Reading the Subject a Pamphlet on Obtaining Alcohol Use Disorder Treatment
Behavioral · Other
Lead sponsor
University of Rochester
Other
Eligibility
18 Years and older
Enrollment
400 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2022
U.S. locations
1
States / cities
Rochester, New York
Source: ClinicalTrials.gov public record
Updated Oct 4, 2023 · Synced Oct 29, 2026, 6:24 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Breastfeeding Support and Weight Management for Black Women

NCT03480048
View directory record Official record
Conditions
Breastfeeding, Weight Loss
Interventions
Breastfeeding and weight loss support
Behavioral
Lead sponsor
Michigan State University
Other
Eligibility
18 Years and older · Female only
Enrollment
53 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
1
States / cities
Detroit, Michigan
Source: ClinicalTrials.gov public record
Updated Sep 11, 2019 · Synced Oct 29, 2026, 6:24 PM EDT
Completed Phase 1 Interventional Results available

Telephone Counseling: Men With Prostate Cancer & Partners

NCT00822510
View directory record Official record
Conditions
Prostate Cancer
Interventions
Telephone Interpersonal Counseling, Telephone delivered education only
Behavioral
Lead sponsor
University of Arizona
Other
Eligibility
21 Years and older
Enrollment
79 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2009
U.S. locations
1
States / cities
Tucson, Arizona
Source: ClinicalTrials.gov public record
Updated May 11, 2018 · Synced Oct 29, 2026, 6:24 PM EDT
Terminated Phase 2 Interventional

Telephone-Based Lifestyle Intervention to Reduce Blood Pressure in Prehypertensive Patients

NCT00583310
View directory record Official record
Conditions
High Blood Pressure
Interventions
Telephone-based lifestyle counseling
Behavioral
Lead sponsor
NYU Langone Health
Other
Eligibility
18 Years and older
Enrollment
125 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2012
U.S. locations
2
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Nov 19, 2013 · Synced Oct 29, 2026, 6:24 PM EDT
Terminated Not applicable Interventional Accepts healthy volunteers

Time Restricted Diet in Obese or Overweight Pre or Postmenopausal Participants

NCT02154984
View directory record Official record
Conditions
Healthy, no Evidence of Disease, Obesity
Interventions
behavioral dietary intervention, telephone-based intervention, laboratory biomarker analysis
Behavioral · Other
Lead sponsor
Northwestern University
Other
Eligibility
18 Years to 65 Years · Female only
Enrollment
45 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2017
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Aug 31, 2020 · Synced Oct 29, 2026, 6:24 PM EDT
Completed Not applicable Interventional

Improving Adherence to Recommended Surveillance in Breast Cancer Survivors

NCT02189278
View directory record Official record
Conditions
Breast Cancer
Interventions
Psychosocial Intervention
Behavioral
Lead sponsor
Duke University
Other
Eligibility
21 Years and older · Female only
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2017
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Oct 3, 2018 · Synced Oct 29, 2026, 6:24 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers

Breast Cancer Screening Via Computer V. Phone

NCT00287040
View directory record Official record
Conditions
Breast Cancer Screening
Interventions
Tailored, interactive intervention for mammography screening
Behavioral
Lead sponsor
Indiana University
Other
Eligibility
41 Years to 75 Years · Female only
Enrollment
1,686 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2009
U.S. locations
2
States / cities
Indianapolis, Indiana • Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated May 17, 2012 · Synced Oct 29, 2026, 6:24 PM EDT
Completed Phase 2Phase 3 Interventional Accepts healthy volunteers

Reaching and Treating Lesbian, Gay, Bisexual, and Transgender (LGBT) Cigarette Smokers

NCT00634218
View directory record Official record
Conditions
Cigarette Smoking
Interventions
Mail-based Self-help plus Internet-based Smoking Treatment, Self-Help Manual plus Telephone counseling, Self-Help Manual, Self-Help Manual plus Internet-based Intervention plus Telephone Counseling
Behavioral
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years and older
Enrollment
363 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2012
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Jun 27, 2012 · Synced Oct 29, 2026, 6:24 PM EDT